File: OCEANOGRAPHIC STATION DATA (SD2) Geographic Coverage: Worldwide Oceans Time Period: 1900 to Present File Organization: Cruise and Geographic order File Size: 884,947 stations Description: This file contains physical-chemical oceanographic data recorded at discrete depth levels. Most of the observations were made using multi-bottle Nansen casts or other types of water samplers. A small amount (about 5%) were obtained using electronic CTD (conductivity-temperature-depth) or STD (salinity-temperature-depth) recorders. The CTD/STD data were reported to NODC at depth levels equivalent to Nansen cast data, however, and have been processed and stored the same as the Nansen data. Cruise information, position, date and time are reported for each station. Each station contains the measurements taken at observed depth levels, but also includes data values interpolated to a set of standard depth levels. File Structure: Variable-length records: each observation comprises 160 characters of master (header) information plus 80 characters for each depth level (observed or standard) up to a maximum of 4,160 characters (Master Infor- mation plus 50 depth levels) per physical record; a continuation indicator is used to denote observations with more than 50 depth levels that are recorded more than one physical record. File Format: Oceanographic Station Data (SD2) PARAMETER DESCRIPTION SC FL MASTER RECORD 1 CONTINUATION INDICATOR ONE-DIGIT CODE - INDICATES IF STATION 1 1 RECORDED ON MULTIPLE PHYSICAL RECORDS (0 = ONLY ONE RECORD FOR STATION; 1 = FIRST RECORD OF STATION; 9 = LAST RECORD OF STATION; 2-8 = INTERMEDIATE RECORDS) BLANK ONE BLANK 2 1 NODC REFERENCE NUMBER- COUNTRY TWO-CHARACTER NODC COUNTRY CODE 3 2 FILE CODE ALWAYS '5' 5 1 CRUISE XXXX - NODC CRUISE NUMBER 6 4 CONSEC XXXX - NODC CONSECUTIVE STATION NUMBER 10 4 DATA TYPE TWO-DIGIT CODE - (19 = NANSEN CAST, 22 = 14 2 NODC SELECTED DEPTHS FROM CTD/STD, 62 = ORIGINATOR SELECTED DEPTHS FROM CTD/STD) BLANK TWO BLANKS 16 2 TEN-DEGREE SQUARE FOUR-DIGIT CODE - WMO TEN-DEGREE SQUARE NUMBER 18 4 ONE-DEGREE SQUARE TWO-DIGIT CODE - WMO ONE-DEGREE SQUARE NUMBER 22 2 TWO-DEGREE SQUARE TWO-DIGIT CODE - WMO TWO-DEGREE SQUARE NUMBER 24 2 FIVE-DEGREE SQUARE ONE-DIGIT CODE - WMO FIVE-DEGREE SQUARE NUMBER 26 1 LATITUDE HEMISPHERE ONE-CHARACTER CODE - 'N' OR 'S' 27 1 LATITUDE DDMMX (DEGREES, MINUTES TO TENTHS) 28 5 LONGITUDE HEMISPHERE ONE-CHARACTER CODE - 'E' OR 'W' 33 1 LONGITUDE DDDMMX (DEGREES, MINUTES TO TENTHS) 34 6 QUARTER OF ONE-DEGREE ONE-DIGIT CODE - WMO 'QUARTER DEGREE' SQUARE 40 1 SQUARE NUMBER (= 1, 2, 3, OR 4; 9 = NOT RECORDED) DATE (GMT) YYMMDD - YEAR, MONTH, DAY 41 6 TIME (GMT) XXX (HOURS TO TENTHS) 47 3 PLATFORM TWO-CHARACTER NODC PLATFORM CODE 50 2 BLANK FOUR BLANKS 52 4 BOTTOM DEPTH XXXXX (WHOLE METERS) 56 5 EFFECTIVE DEPTH XXXX - DEPTH OF DEEPEST COMPUTED SOUND SPEED, 61 4 I.E., DEEPEST OBSERVED DEPTH AT WHICH BOTH TEMPERATURE AND SALINITY ARE REPORTED WITH NO QUALITY FLAGS (WHOLE METERS) CAST DURATION XXX - TOTAL ELAPSED TIME FOR CTD/STD CAST 65 3 (HOURS TO TENTHS) CAST DIRECTION ONE-CHARACTER CODE - (U = UP, D = DOWN, 68 1 A = AVERAGE OF UP AND DOWN CASTS, OR BLANK) SALINITY METHOD ONE-CHARACTER CODE - ('P' = PRACTICAL SALIN- 69 1 ITY, 'S' = SALINITY, BLANK = NOT SPECIFIED) DATA USE CODE ONE-DIGIT CODE - NODC INTERNAL USE ONLY 70 1 MINIMUM DEPTH ONE-DIGIT CODE - FIRST OBSERVED DEPTH WITH 71 4 VALID DEPTH, TEMPERATURE, AND SALINITY (WHOLE METERS) MAXIMUM DEPTH XXXX - DEEPEST OBSERVED DEPTH WITH ANY VALID 75 4 PARAMETER (WHOLE METERS) NEXT RECORD TYPE ALWAYS '2' 79 1 PRESENT RECORD TYPE ALWAYS '1' 80 1 MASTER RECORD 2 DEPTH DIFFERENCE XXXX - BOTTOM DEPTH MINUS MAXIMUM DEPTH 1 4 (WHOLE METERS) SAMPLE INTERVAL XX - VERTICAL SAMPLE SPACING (EFFECTIVE DEPTH 5 2 DIVIDED BY NUMBER OF VALID OBSERVED DEPTH LEVELS, TO NEAREST TENS OF METERS, E.G., 01 = 10 METERS) PERCENT SALINITY ONE-CHARACTER CODE - INDICATES PERCENT OF 7 1 OBSERVED OBSERVED DEPTH LEVELS AT WHICH SALINITY REPORTED (0 = 1 TO 9 PERCENT, ... , 9 = 90 TO 99 PERCENT, - = PARAMETER NOT RECORDED) PERCENT OXYGEN ONE-CHARACTER CODE - INDICATES PERCENT OF 8 1 OBSERVED OBSERVED DEPTH LEVELS AT WHICH DISSOLVED OXYGEN REPORTED PERCENT PHOSPHATE ONE-CHARACTER CODE - INDICATES PERCENT OF 9 1 OBSERVED OBSERVED DEPTH LEVELS AT WHICH PHOSPHATE REPORTED PERCENT TOTAL ONE-CHARACTER CODE - INDICATES PERCENT OF 10 1 PHOSPHORUS OBSERVED OBSERVED DEPTH LEVELS AT WHICH TOTAL PHOSPHORUS REPORTED PERCENT SILICATE ONE-CHARACTER CODE - INDICATES PERCENT OF 11 1 OBSERVED OBSERVED DEPTH LEVELS AT WHICH SILICATE REPORTED PERCENT NITRITE ONE-CHARACTER CODE - INDICATES PERCENT OF 12 1 OBSERVED OBSERVED DEPTH LEVELS AT WHICH NITRITE REPORTED PERCENT NITRATE ONE-CHARACTER CODE - INDICATES PERCENT OF 13 1 OBSERVED OBSERVED DEPTH LEVELS AT WHICH NITRATE REPORTED PERCENT PH OBSERVED ONE-CHARACTER CODE - INDICATES PERCENT OF 14 1 OBSERVED DEPTH LEVELS AT WHICH PH REPORTED ORIGINATOR'S CRUISE ID THREE CHARACTERS - ORIGINATOR'S CRUISE 15 3 IDENTIFIER ORIGINATOR'S STATION ID NINE CHARACTERS - ORIGINATOR'S STATION 18 9 IDENTIFIER WATER COLOR TWO-DIGIT CODE - FOREL-ULE SCALE (00-21) 27 2 WATER TRANSPARENCY XX - SECCHI DISK DEPTH (WHOLE METERS) 29 2 WAVE DIRECTION TWO-DIGIT CODE - USE NODC CODE 0110 (WMO 0885) 31 2 WAVE HEIGHT ONE-DIGIT CODE - USE NODC CODE 0104 (WMO 1555) 33 1 (BLANK IF SEA STATE PRESENT) SEA STATE ONE-DIGIT CODE - USE NODC CODE 0109 (WMO 3700) 34 1 (BLANK IF WAVE HEIGHT PRESENT) WIND FORCE TWO-DIGIT CODE - BEAUFORT SCALE - USE NODC 35 2 CODE 0052 (BLANK IF WIND SPEED PRESENT) FILE UPDATE CODE ONE-DIGIT CODE - NODC INTERNAL USE ONLY 37 1 WAVE PERIOD ONE-DIGIT CODE - USE NODC CODE 0378 (WMO 3155) 38 1 (BLANK IF SEA STATE PRESENT) WIND DIRECTION TWO-DIGIT CODE - USE NODC CODE 0110 (WMO 0877) 39 2 WIND SPEED XX - (KNOTS; BLANK IF WIND FORCE PRESENT) 41 2 BAROMETRIC PRESSURE XXXXX (MILLIBARS TO TENTHS) 43 5 DRY BULB TEMPERATURE XXXX (DEG C IN WHOLE DEGREES OR TO TENTHS; 48 4 NEGATIVE VALUE PRECEDED BY MINUS SIGN) DRY BULB TEMPERATURE ONE-DIGIT CODE - (0 = WHOLE DEGREES, 1=TENTHS 52 1 PRECISION OF DEGREE, 9 = BLANK) WET BULB TEMPERATURE XXXX (DEG C IN WHOLE DEGREES OR TO TENTHS; 53 4 NEGATIVE VALUE PRECEDED BY MINUS SIGN) WET BULB TEMPERATURE ONE-DIGIT CODE - (0 = WHOLE DEGREES, 1=TENTHS 57 1 PRECISION OF DEGREE, 9 = BLANK) WEATHER ONE- OR TWO-DIGIT CODE - USE NODC CODE 0108 58 2 (WMO 4501) OR NODC CODE 0159 (WMO 4677) CLOUD TYPE ONE-DIGIT CODE - USE NODC CODE 0053 (WMO 0500) 60 1 CLOUD AMOUNT ONE-DIGIT CODE - USE NODC CODE 0105 (WMO 2700) 61 1 COUNT OF OBSERVED XXX - NUMBER OF OBSERVED DEPTH LEVELS 62 3 DEPTHS COUNT OF STANDARD XX - NUMBER OF STANDARD DEPTH LEVELS 65 2 DEPTHS (MAXIMUM = 34) COUNT OF DETAIL DEPTHS XXX - NUMBER OF DETAIL DEPTHS (TOTAL OF 67 3 OBSERVED DEPTHS PLUS STANDARD DEPTHS) BLANK NINE BLANKS 70 9 NEXT RECORD INDICATOR EITHER '3', '4', '6', OR '7' 79 1 PRESENT RECORD ALWAYS '2' 80 1 INDICATOR OBSERVED DEPTH DETAIL RECORD OBSERVED DEPTH XXXXX (WHOLE METERS) 1 5 DEPTH QUALITY ONE-DIGIT CODE - USE NODC CODE 0608 6 1 INDICATOR THERMOMETRIC DEPTH ONE-CHARACTER CODE - 'T' INDICATES DEPTH IS 7 1 FLAG THERMOMETRICALLY DETERMINED TEMPERATURE XXXXX (DEG C; NEGATIVE VALUE PRECEDED BY MINUS 8 5 SIGN) TEMPERATURE PRECISION ONE-DIGIT CODE - (1, 2, 3 = NUMBER OF DIGITS 13 1 RIGHT OF DECIMAL POINT; 9 = BLANK) TEMPERATURE QUALITY ONE-DIGIT CODE - USE NODC CODE 0608 14 1 INDICATOR SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 15 5 SALINITY UNITS) SALINITY PRECISION ONE-DIGIT CODE - (1, 2, 3 = NUMBER OF DIGITS 20 1 RIGHT OF DECIMAL POINT; 9 = BLANK) SALINITY QUALITY ONE-DIGIT CODE - USE NODC CODE 0608 21 1 INDICATOR SIGMA-T XXXX (DIMENSIONLESS TO HUNDREDTHS) 22 4 SIGMA-T QUALITY ONE-DIGIT CODE - ( 8 = SIGMA-T QUESTIONABLE; 26 1 INDICATOR 9 = BLANK) SOUND SPEED XXXXX (METERS/SECOND TO TENTHS) 27 5 SOUND SPEED ONE-DIGIT CODE - (1 = NUMBER OF DIGITS RIGHT 32 1 PRECISION OF DECIMAL POINT; 9 = BLANK) OXYGEN XXXX (MILLILITERS/LITER) 33 4 OXYGEN PRECISION ONE-DIGIT CODE - (1, 2 = NUMBER OF DIGITS 37 1 RIGHT OF DECIMAL POINT; 9 = BLANK) OXYGEN QUALITY ONE-DIGIT CODE - USE NODC CODE 0608 38 1 INDICATOR DATA RANGE CHECK FLAGS ONE-DIGIT CODE - FOR FOLLOWING SIX CONDITIONS 0 = DATA IN RANGE 1 = DATA OUT OF RANGE PHOSPHATE > 4.00 39 1 TOTAL PHOSPHORUS < PHOSPHATE 40 1 SILICATE > 300.00 41 1 NITRITE > 4.0 42 1 NITRATE > 45.0 43 1 PH < 7.40 OR > 8.50 44 1 CAST START TIME OR XXX (HOURS TO TENTHS) 45 3 MESSENGER RELEASE TIME CAST NUMBER X (BLANK, OR 1-9) 48 1 INORGANIC PHOSPHATE XXXX (MICROGRAM-ATOMS/LITER) 49 4 INORGANIC PHOSPHATE ONE-DIGIT CODE - (0, 1, 2 = NUMBER OF DIGITS 53 1 PRECISION RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS, VALUE > 99.99; 9 = BLANK) TOTAL PHOSPHORUS XXXX (MICROGRAM-ATOMS/LITER) 54 4 TOTAL PHOSPHORUS ONE-DIGIT CODE - (0,1,2 = NUMBER OF DIGITS 58 1 PRECISION RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS, VALUE > 99.99; 9 = BLANK) SILICATE XXXX (MICROGRAM-ATOMS/LITER) 59 4 SILICATE PRECISION ONE-DIGIT CODE - (0,1 = NUMBER OF DIGITS 63 1 RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.1; 5 = EXCEEDS, VALUE > 999.9; 9 = BLANK) NITRITE XXX (MICROGRAM-ATOMS/LITER) 64 3 NITRITE PRECISION ONE-DIGIT CODE - (0, 1, 2 = NUMBER OF DIGITS 67 1 RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS, VALUE > 9.99; 9 = BLANK) NITRATE XXX (MICROGRAM-ATOMS/LITER) 68 3 NITRATE PRECISION ONE-DIGIT CODE - (0, 1 = NUMBER OF DIGITS 71 1 RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.1; 5 = EXCEEDS, VALUE > 99.9; 9 = BLANK) PH XXX (DIMENSIONLESS TO HUNDREDTHS) 72 3 PH PRECISION ONE-DIGIT CODE - (0, 1, 2 = NUMBER OF DIGITS 75 1 RIGHT OF DECIMAL POINT; 4 = TRACE, VALUE < 0.01; 5 = EXCEEDS; VALUE > 9.99; 9 = BLANK BLANK TWO BLANKS 76 2 DENSITY INVERSION FLAG ONE-DIGIT CODE - (1=SIGMA-T DECREASE GREATER 78 1 THAN 0.02; OTHERWISE = 0) NEXT RECORD TYPE EITHER '1', '3', '4', '6', OR '7' 79 1 PRESENT RECORD TYPE '3' OR '4' (3=OBSERVED DEPTH DATA FROM FIELD 80 1 MEASUREMENTS; 4 = INTERPOLATED VALUES USED AS OBSERVED VALUES FOR COMPUTATIONAL PURPOSES WHEN ORIGINAL OBSERVED VALUES MISSING) STANDARD DEPTH DETAIL RECORD DEPTH XXXXX (WHOLE METERS) 1 5 BLANK TWO BLANKS 6 2 TEMPERATURE XXXX (DEG C) 8 4 BLANK ONE BLANK 12 1 TEMPERATURE PRECISION ONE-DIGIT CODE - (2=NUMBER OF DIGITS RIGHT 13 1 OF DECIMAL POINT; 9 = BLANK) BLANK ONE BLANK 14 1 SALINITY XXXX (PARTS PER THOUSAND OR PRACTICAL 15 4 SALINITY UNITS) BLANK ONE BLANK 19 1 SALINITY PRECISION ONE-DIGIT CODE - (2 = NUMBER OF DIGITS RIGHT 20 1 OF DECIMAL POINT; 9 = BLANK) BLANK ONE BLANK 21 1 SIGMA-T XXXX (DIMENSIONLESS TO HUNDREDTHS) 22 4 SIGMA-T INDICATOR ONE-DIGIT CODE - ( 9 = BLANK) 26 1 SOUND SPEED XXXXX (METERS/SECOND) 27 5 SOUND SPEED PRECISION ONE-DIGIT CODE - (1 = NUMBER OF DIGITS RIGHT 32 1 OF DECIMAL POINT; 9 = BLANK) OXYGEN XXXX (MILLILITERS/LITER) 33 4 OXYGEN PRECISION ONE-DIGIT CODE - (2 = NUMBER OF DIGITS RIGHT 37 1 OF DECIMAL POINT; 9 = BLANK) BLANK ONE BLANK 38 1 DYNAMIC DEPTH ANOMALY XXXXX (DYNAMIC METERS) 39 5 DYNAMIC DEPTH ANOMALY ONE-DIGIT CODE -- (3=NUMBER OF DIGITS RIGHT 44 1 PRECISION OF DECIMAL POINT; 9 = BLANK) BLANK THIRTY-THREE BLANKS 45 33 DENSITY INVERSION FLAG ONE-DIGIT CODE - (1=SIGMA-T DECREASE GREATER 78 1 THAN 0.02; OTHERWISE = 0) NEXT RECORD TYPE EITHER '3', '4', '6', OR '7' 79 1 PRESENT RECORD TYPE '6' OR '7' (6 = DATA INTERPOLATED BY NODC 80 1 TO NODC STANDARD DEPTH; 7 = DATA INTERPOLATED BY ORIGINATOR TO NODC OR OTHER STANDARD DEPTH) NODC Code Tables Used with this Format - CODE CODE NUMBER NAME ------- ---- 0052 WIND FORCE (BEAUFORT) 0053 CLOUD TYPE (WMO 0500) 0104 WAVE HEIGHT (WMO 1555) 0105 CLOUD AMOUNT (WMO 2700) 0108 WEATHER (WMO 4501) 0109 SEA STATE (WMO 3700) 0110 WIND-WAVE DIRECTION (WMO 0885 OR 0877) 0159 WEATHER (WMO 4677) 0378 WAVE PERIOD (WMO 3155) 0608 QUALITY INDICATOR - - NODC COUNTRY CODE - - NODC PLATFORM (SHIP) CODE NODC CODE USED WITH OCEAN STATION DATA AND LOW-RESOLUTION CTD DATA 0052 WIND FORCE(BEAUFORT) 0 -- CALM MEAN VELOCITY IN KNOTS <1 IN METERS/SEC 0-0.2 IN KM/H <1 IN M.P.H. <1 /WAVE HT < .25 FT 1 -- LIGHT AIR MEAN VELOCITY IN KNOTS 1-3 METERS/SEC 0.3-1.5 KM/H 1-5 M.P.H. 1-3 /WAVE HT= .25 FT 2 -- LIGHT BREEZE MEAN VELOCITY IN KNOTS 4-6 METERS/SEC 1.6-3.3 KM/H 6-11 M.P.H. 4-7 /WAVE HT = .5 FT 3 -- GENTLE BREEZE MEAN VELOCITY IN KNOTS 7-10 METERS/SEC 3.4-5.4 KM/H 12-19 M.P.H. 8-12 /WAVE HT = 2 FT 4 -- MODERATE BREEZE MEAN VELOCITY IN KNOTS 11-16 METERS/SEC 5.5-7.9 KM/H 20-28 M.P.H. 13-18 /WAVE HT = 4 FT 5 -- FRESH BREEZE MEAN VELOCITY IN KNOTS 17-21 METERS/SEC 8.0-10.7 KM/H 29-38 M.P.H. 19-24 /WAVE HT = 6 FT 6 -- STRONG BREEZE MEAN VELOCITY IN KNOTS 22-27 METERS/SEC 10.8-13.8 KM/H 39-49 M.P.H. 25-31 /WAVE HT = 10 FT 7 -- NEAR GALE MEAN VELOCITY IN KNOTS 28-33 METERS/SEC 13.9-17.1 KM/H 50-61 M.P.H. 32-38 /WAVE HT = 14 FT 8 -- GALE MEAN VELOCITY IN KNOTS 34-40 METERS/SEC 17.2-20.7 KM/H 62-74 M.P.H. 39-46 /WAVE HT = 18 FT 9 -- STRONG GALE MEAN VELOCITY IN KNOTS 41-47 METERS/SEC 20.8-24.4 KM/H 75-88 M.P.H. 47-54 /WAVE HT = 23 FT 0053 CLOUD TYPE (WMO500) 0 -- CIRRUS 1 -- CIRROCUMULUS 2 -- CIRROSTRATUS 3 -- ALTOCUMULUS 4 -- ALTOSTRATUS 5 -- NIMBOSTRATUS 6 -- STRATOCUMULUS 7 -- STRATUS 8 -- CUMULUS 9 -- CUMULONIMBUS X -- CLOUD NOT VISIBLE OWING TO DARKNESS, FOG, DUSTSTORM, SANDSTORM, OR OTHER ANALOGOUS PHENOMENA 0104 WAVE HT (WMO1555) -- NOTE-50 ADDED TO DIRECTION FIELD (CODE 110) TO INDICATE HEIGHTS > 4 1/2 METERS. 0 -- LESS THAN 1/4 M (1 FT) OR 5 M (16 FT) 1 -- 1/2 M (1 1/2 FT) OR 5 1/2 M (17 1/2 FT) 2 -- 1 M (3 FT) OR 6 M (19 FT) 3 -- 1 1/2 M (5 FT) OR 6 1/2 M (21 FT) 4 -- 2 M (6 1/2 FT) OR 7 M (22 1/2 FT) 5 -- 2 1/2 M (8 FT) OR 7 1/2 M (24 FT) 6 -- 3 M (9 1/2 FT) OR 8 M (25 1/2 FT) 7 -- 3 1/2 M (11 FT) OR 8 1/2 M (27 FT) 8 -- 4 M (13 FT) OR 9 M (29 FT) 9 -- 4 1/2 M (14 FT) OR 9 1/2 M (30 1/2 FT) X -- HEIGHT NOT DETERMINED 0105 CLOUD AMT (WMO2700) 0 -- 0 (ZERO) 1 -- 1 OKTA OR LESS, BUT NOT ZERO (1/10 OR LESS, BUT NOT ZERO) 2 -- 2 OKTAS 2/10-3/10 3 -- 3 OKTAS 4/10 4 -- 4 OKTAS 5/10 5 -- 5 OKTAS 6/10 6 -- 6 OKTAS 7/10-8/10 7 -- 7 OKTAS OR MORE, BUT NOT 8 OKTAS (9/10 OR MORE, BUT NOT 10/10) 8 -- 8 OKTAS 10/10 9 -- SKY OBSCURED, OR CLOUD AMOUNT CANNOT BE ESTIMATED 0108 WEATHER (WMO4501) 0 -- CLEAR (NO CLOUD AT ANY LEVEL) 1 -- PARTLY CLOUDY (SCATTERED OR BROKED) 2 -- CONTINUOUS LAYER(S) OF CLOUD(S) 3 -- SANDSTORM, DUSTSTORM, OR BLOWING SNOW 4 -- FOG, THICK DUST OR HAZE 5 -- DRIZZLE 6 -- RAIN 7 -- SNOW, OR RAIN AND SNOW MIXED 8 -- SHOWER(S) 9 -- THUNDERSTORM(S) 0109 SEA STATE (WMO3700) 0 -- CALM-GLASSY 0 FT (0 METERS) 1 -- CALM-RIPPLED 0-1/3 FT (0-.1METERS) 2 -- SMOOTH-WAVELET 1/3-1 2/3 FT (.1-.5 METERS) 3 -- SLIGHT 1 2/3 - 4 FT(.5-1.25 METERS) 4 -- MODERATE 4-8 FT(1.25-2.50 METERS) 5 -- ROUGH 8-13 FT(2.50-4.0 METERS) 6 -- VERY ROUGH 13-20 FT(4-6 METERS) 7 -- HIGH 20-30 FT(6-9 METERS) 8 -- VERY HIGH 30-45 FT(9-14 METERS) 9 -- PHENOMENAL >45 FT (>14 METERS) 0110 WIND-WAVE DIRECTION 00 -- CALM (NO WAVES-NO MOTION) 01 -- 5 DEGREES - 14 DEGREES 02 -- 15 DEGREES - 24 DEGREES 03 -- 25 DEGREES - 34 DEGREES 04 -- 35 DEGREES - 44 DEGREES 05 -- 45 DEGREES - 54 DEGREES 06 -- 55 DEGREES - 64 DEGREES 07 -- 65 DEGREES - 74 DEGREES 08 -- 75 DEGREES - 84 DEGREES 09 -- 85 DEGREES - 94 DEGREES 10 -- 95 DEGREES - 104 DEGREES 11 -- 105 DEGREES - 114 DEGREES 12 -- 115 DEGREES - 124 DEGREES 13 -- 125 DEGREES - 134 DEGREES 14 -- 135 DEGREES - 144 DEGREES 15 -- 145 DEGREES - 154 DEGREES 16 -- 155 DEGREES - 164 DEGREES 17 -- 165 DEGREES - 174 DEGREES 18 -- 175 DEGREES - 184 DEGREES 19 -- 185 DEGREES - 194 DEGREES 20 -- 195 DEGREES - 204 DEGREES 21 -- 205 DEGREES - 214 DEGREES 22 -- 215 DEGREES - 224 DEGREES 23 -- 225 DEGREES - 234 DEGREES 24 -- 235 DEGREES - 244 DEGREES 25 -- 245 DEGREES - 254 DEGREES 26 -- 255 DEGREES - 264 DEGREES 27 -- 265 DEGREES - 274 DEGREES 28 -- 275 DEGREES - 284 DEGREES 29 -- 285 DEGREES - 294 DEGREES 30 -- 295 DEGREES - 304 DEGREES 31 -- 305 DEGREES - 314 DEGREES 32 -- 315 DEGREES - 324 DEGREES 33 -- 325 DEGREES - 334 DEGREES 34 -- 335 DEGREES - 344 DEGREES 35 -- 345 DEGREES - 354 DEGREES 36 -- 355 DEGREES - 4 DEGREES 49 -- WAVES CONFUSED, DIRECTION INDETERMINATE (WAVES EQUAL TO OR LESS THAN 4 3/4 METERS) 99 -- WAVES CONFUSED, DIRECTION INDETERMINATE (WAVES GEATER THAN 4 3/4 METERS) WINDS VARIABLE, OR ALL DIRECTIONS OR UNKNOWN 0159 WEATHER (WMO4677) 00 -- CLOUD DEVELOP. NOT OBSERVED OR NOT OBSERVABLE-CHAR. CHANGE OF THE STATE OF SKY DURING PAST HOUR 01 -- CLOUDS GENERALLY DISSOLVING OF BECOMING LESS DEVELOPED-CHAR. CHANGE OF STATE OF SKY DURING PAST HR. 02 -- STATE OF SKY ON THE WHOLE UNCHANGED-CHAR. CHANGE OF THE STATE OF SKY DURING THE PAST HOUR 03 -- CLOUDS GENERALLY FORMING OR DEVELOPING-CHAR. CHANGE OF THE STATE OF SKY DURING THE PAST HOUR 04 -- VISIBILTY REDUCED BY SMOKE, E.G. VELDT OF FOREST FIRES, INDUSTRIAL SMOKE OR VOLCANIC ASHES 05 -- HAZE 06 -- WIDESPREAD DUST IN SUSPENSION IN THE AIR, RAISED BY WIND AT OR NEAR THE STATION AT TIME OF OBS. 07 -- DUST OR SAND RAISED BY WIND AT OR NEAR THE STATION AT THE TIME OF OBSERVATION, BUT NO WELL DEVELOPED DUST WHIRL(S) OR SAND WHIRL(S), AND NO DUSTSTORM OR SANDSTORM SEEN 08 -- WELL DEVELOP. DUST WHIRL(S) OR SAND WHIRL(S) SEEN AT OR NEAR STATION DURING THE PRECEDING HOUR OR AT THE TIME OF OBSERVATION, BUT NO DUSTSTORM OR SANDSTORM 09 -- DUSTSTORM OR SANDSTORM WITHIN SIGHT AT THE TIME OF OBSERVA., OR AT STATION DURING PRECEDING HOUR 10 -- MIST 11 -- PATCHES OF SHALLOW FOG OR ICE FOG AT THE STATION, WHETHER ON LAND OR SEA, NOT DEEPER THAN ABOUT 2 METERS ON LAND OR 10 METERS AT SEA 12 -- MORE OR LESS CONTINUOUS SHALLOW FOG OR ICE FOG AT THE STATION, WHETHER ON LAND OR SEA, NOT DEEPER THAN ABOUT 2 M ON LAND OR 10 M AT SEA 13 -- LIGHTNING VISIBLE, NO THUNDER HEARD 14 -- PRECIPITATION WITHIN SIGHT, NOT REACHING THE GROUND OR THE SURFACE OF THE SEA 15 -- PRECIPITATION WITHIN SIGHT, REACHING THE GROUND OR THE SURFACE OF THE SEA, BUT DISTANT (I.E. ESTIMATED TO BE MORE THAN 5 KM) FROM THE STATION 16 -- PREC. WITHIN SIGHT, REACHING GROUND OR SURFACE OF THE SEA, NEAR TO, BUT NOT AT THE STATION 17 -- THUNDERSTORM, BUT NO PRECIPITATION AT THE TIME OF OBSERVATION 18 -- SQUALLS AT OR WITHIN SIGHT OF THE STATION DURING THE PRECEDING HOUR OR AT TIME OF OBSERVATION 19 -- FUNNEL CLOUD(S) AT OR WITHIN SIGHT OF STATION DURING PRECEDING HOUR OR AT THE TIME OF OBSERVATION 20 -- DRIZZLE (NOT FREEZING) OR SNOW GRAINS - NOT FALLING AS SHOWER(S) 21 -- RAIN (NOT FREEZING) - NOT FALLING AS SHOWER(S) 22 -- SNOW - NOT FALLING AS SHOWER(S) 23 -- RAIN AND SNOW OR ICE PELLETS, TYPE (A) - NOT FALLING AS SHOWER(S) 24 -- FREEZING DRIZZLE OR FREEZING RAIN - NOT FALLING AS SHOWER(S) 25 -- SHOWER(S) OF RAIN - NOT FALLING AS SHOWER(S) 26 -- SHOWER(S) OF SNOW, OR OF RAIN AND SNOW - NOT FALLING AS SHOWER(S) 27 -- SHOWER(S) OF HAIL, OR OF RAIN AND HAIL - NOT FALLING AS SHOWER(S) 28 -- FOG OR ICE FOG - NOT FALLING AS SHOWER(S) 29 -- THUNDERSTORM (WITH OR WITHOUT PRECIPITATION) 30 -- SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM-HAS DECREASED DURING THE PRECEDING HOUR 31 -- SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 32 -- SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM-HAS BEGUN OR HAS INCREASED DURING THE PRECEDING HOUR 33 -- SEVERE DUSTSTORM OR SANDSTORM-HAS DECREASED DURING THE PRECEDING HOUR 34 -- SEVERE DUSTSTORM OR SANDSTORM-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 35 -- SEVERE DUSTSTORM OR SANDSTORM-HAS BEGUN OR HAS INCREASED DURING THE PRECEDING HOUR 36 -- SLIGHT OR MODERATE BLOWING SNOW-GENERALLY LOW (BELOW EYE LEVEL) 37 -- HEAVY DRIFTING SNOW-GENERALLY LOW (BELOW EYE LEVEL) 38 -- SLIGHT OR MODERATE BLOWING SNOW-GENERALLY HIGH (ABOVE EYE LEVEL) 39 -- HEAVY BLOWING SNOW-GENERALLY HIGH (ABOVE EYE LEVEL) 40 -- FOG OR ICE FOG AT A DISTANCE AT TIME OF OBSERVATION, BUT NOT AT THE STATION DURING THE PRECEDING HOUR, THE FOG OR ICE FOG EXTENDING TO A LEVEL ABOVE THAT OF THE OBSERVER 41 -- FOG OR ICE FOG IN PATCHES 42 -- FOG OR ICE FOG, SKY VISIBLE-HAS BECOME THINNER DURING THE PRECEDING HOUR 43 -- FOG OR ICE FOG, SKY INVISIBLE-HAS BECOME THINNER DURING THE PRECEDING HOUR 44 -- FOG OR ICE FOG, SKY VISIBLE-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 45 -- FOG OR ICE FOG, SKY INVISIBLE-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 46 -- FOG OR ICE FOG, SKY VISIBLE-HAS BEGUN OR HAS BECOME THICKER DURING THE PRECEDING HOUR 47 -- FOG OR ICE FOG, SKY INVISIBLE-HAS BEGUN OR HAS BECOME THICKER DURING THE PRECEDING HOUR 48 -- FOG, DEPOSITING RIME, SKY VISIBLE 49 -- FOG, DEPOSITING RIME, SKY INVISIBLE 50 -- DRIZZLE, NOT FREEZING, INTERMITTENT-SLIGHT AT TIME OF OBSERVATION 51 -- DRIZZLE, NOT FREEZING, CONTINUOUS-SLIGHT AT TIME OF OBSERVATION 52 -- DRIZZLE, NOT FREEZING, INTERMITTENT-MODERATE AT TIME OF OBSERVATION 53 -- DRIZZLE, NOT FREEZING, CONTINUOUS-MODERATE AT TIME OF OBSERVATION 54 -- DRIZZLE, NOT FREEZING, INTERMITTENT-HEAVY (DENSE) AT TIME OF OBSERVATION 55 -- DRIZZLE, NOT FREEZING, CONTINUOUS-HEAVY (DENSE) AT TIME OF OBSERVATION 56 -- DRIZZLE, FREEZING, SLIGHT 57 -- DRIZZLE, FREEZING, MODERATE OR HEAVY (DENSE) 58 -- DRIZZLE AND RAIN, SLIGHT 59 -- DRIZZLE AND RAIN, MODERATE OR HEAVY 60 -- RAIN, NOT FREEZING, INTERMITTENT-SLIGHT AT TIME OF OBSERVATION 61 -- RAIN, NOT FREEZING, CONTINUOUS-SLIGHT AT TIME OF OBSERVATION 62 -- RAIN, NOT FREEZING, INTERMITTENT-MODERATE AT TIME OF OBSERVATION 63 -- RAIN, NOT FREEZING, CONTINUOUS-MODERATE AT TIME OF OBSERVATION 64 -- RAIN, NOT FREEZING, INTERMITTENT-HEAVY AT TIME OF OBSERVATION 65 -- RAIN, NOT FREEZING, CONTINUOUS-HEAVY AT TIME OF OBSERVATION 66 -- RAIN, FREEZING, SLIGHT 67 -- RAIN, FREEZING, MODERATE OR HEAVY 68 -- RAIN OR DRIZZLE AND SNOW, SLIGHT 69 -- RAIN OR DRIZZLE AND SNOW, MODERATE OR HEAVY 70 -- INTERMITTENT FALL OF SNOW FLAKES-SLIGHT AT TIME OF OBSERVATION 71 -- CONTINUOUS FALL OF SNOW FLAKES-SLIGHT AT TIME OF OBSERVATION 72 -- INTERMITTENT FALL OF SNOW FLAKES-MODERATE AT TIME OF OBSERVATION 73 -- CONTINUOUS FALL OF SNOW FLAKES-MODERATE AT TIME OF OBSERVATION 74 -- INTERMITTENT FALL OF SNOW FLAKES-HEAVY AT TIME OF OBSERVATION 75 -- CONTINUOUS FALL OF SNOW FLAKES-HEAVY AT TIME OF OBSERVATION 76 -- ICE PRISMS (WITH OR WIHTOUT FOG) 77 -- SNOW GRAINS (WITH OF WITHOUT FOG) 78 -- ISOLATED STARLIKE SNOW CRYSTALS (WITH OR WITHOUT FOG) 79 -- ICE PELLETS, TYPE (A) 80 -- RAIN SHOWER(S), SLIGHT 81 -- RAIN SHOWER(S), MODERATE OR HEAVY 82 -- RAIN SHOWER(S), VIOLENT 83 -- SHOWER(S) OF RAIN ANS SNOW MIXED, SLIGHT 84 -- SHOWER(S) OF RAIN ANS SNOW MIXED, MODERATE OR HEAVY 85 -- SNOW SHOWER(S), SLIGHT 86 -- SHOW SHOWER(S), MODERATE OR HEAVY 87 -- SHOWER(S) OF SNOW PELLETS OR ICE PELLETS, TYPE(B),WITH/WITHOUT RAIN AND SNOW MIXED-SLIGHT 88 -- SHOWER(S) OF SNOW PELLETS OR ICE PELLETS, TYPE(B), WITH/WITHOUT RAIN OR RAIN AND SNOW MIXED-MODERATE OR HEAVY 89 -- SHOWER(S) OF HAIL, WITH OR WITHOUT RAIN OR RAIN AND SNOW MIXED, NOT ASSOC. WITH THUNDER-SLIGHT 90 -- SHOWER(S)OF HAIL, WITH/WITHOUT RAIN OR RAIN AND SNOW MIXED, NOT ASSOC. W/THUNDER-MODERATE OR HEAVY 91 -- SLIGHT RAIN AT TIME OF OBSERVATION-THUNDERSTORM DURING THE PRECEDING HOUR BUT NOT AT TIME OF OBS. 92 -- MODERATE OR HEAVY RAIN AT TIME OF OBSER.-THUNDERSTORM DURING PRECEDING HR. BUT NOT AT TIME OF OBS. 93 -- SLIGHT SNOW, OR RAIN AND SNOW MIXED OR HAIL AT TIME OF OBSER.-THUNDERSTORM DURING THE PRECEDING HOUR BUT NOT AT TIME OF OBSERVATION 94 -- MODERATE OR HEAVY SNOW, OR RAIN AND SNOW MIXED OR HAIL AT TIME OF OBSERVATION-THUNDERSTORM DURING THE PRECEDING HOUR BUT NOT AT TIME OF OBSERVATION 95 -- THUNDERSTORM, SLIGHT OR MODERATE, WITHOUT HAIL, BUT W/RAIN AND/OR SNOW AT TIME OF OBSERVATION-THUNDERSTORM AT TIME OF OBSERVATION 96 -- THUNDERSTORM, SLIGHT OR MODERATE, WITH HAIL AT TIME OF OBSERVATION-THUNDERSTORM AT TIME OF OBS. 97 -- THUNDERSTORM, HEAVY, WITHOUT HAIL, BUT WITH RAIN AND/OR SNOW AT TIME OF OBSER.-THUNDERSTORM AT TIME OF OBSERVATION 98 -- THUNDERSTORM COMBINED WITH DUSTSTORM OR SANDSTORM AT TIME OF OBSER.-THUNDERSTORM AT TIME OF OBS. 99 -- THUNDERSTORM, HEAVY, WITH HAIL AT TIME OF OBSERVATION -THUNDERSTORM AT TIME OF OBSERVATION 0378 WAVE PERIOD 0 -- 20 OR 21 SECONDS 1 -- OVER 21 SECONDS 2 -- 5 SECONDS OR LESS 3 -- 6 OR 7 SECONDS 4 -- 8 OR 9 SECONDS 5 -- 10 OR 11 SECONDS 6 -- 12 OR 13 SECONDS 7 -- 14 OR 15 SECONDS 8 -- 16 OR 17 SECONDS 9 -- 18 OR 19 SECONDS X -- CALM, OR PERIOD NOT DETERMINED 0608 DATA QUALITY FLAGS -- DATA PASSED ALL APPLIED QUALITY CHECKS 6 -- DEPTH MEASUREMENT IS BY UNCORRECTED WIRE-OUT, WITH POSSIBLE ERROR 7 -- DATA VALUE MARKED QUESTIONABLE BY NODC 8 -- DATA VALUE MARKED QUESTIONABLE BY ORIGINATOR 9 -- AT THE PRECEEDING DEPTH 9 -- DENSITY INVERSION. SIGMA-T IS AT LEAST 0.02 UNITS LESS THAN THAT  NODC CODE USED WITH OCEAN STATION DATA AND LOW-RESOLUTION CTD DATA 0052 WIND FORCE(BEAUFORT) 0 -- CALM MEAN VELOCITY IN KNOTS <1 IN METERS/SEC 0-0.2 IN KM/H <1 IN M.P.H. <1 /WAVE HT < .25 FT 1 -- LIGHT AIR MEAN VELOCITY IN KNOTS 1-3 METERS/SEC 0.3-1.5 KM/H 1-5 M.P.H. 1-3 /WAVE HT= .25 FT 2 -- LIGHT BREEZE MEAN VELOCITY IN KNOTS 4-6 METERS/SEC 1.6-3.3 KM/H 6-11 M.P.H. 4-7 /WAVE HT = .5 FT 3 -- GENTLE BREEZE MEAN VELOCITY IN KNOTS 7-10 METERS/SEC 3.4-5.4 KM/H 12-19 M.P.H. 8-12 /WAVE HT = 2 FT 4 -- MODERATE BREEZE MEAN VELOCITY IN KNOTS 11-16 METERS/SEC 5.5-7.9 KM/H 20-28 M.P.H. 13-18 /WAVE HT = 4 FT 5 -- FRESH BREEZE MEAN VELOCITY IN KNOTS 17-21 METERS/SEC 8.0-10.7 KM/H 29-38 M.P.H. 19-24 /WAVE HT = 6 FT 6 -- STRONG BREEZE MEAN VELOCITY IN KNOTS 22-27 METERS/SEC 10.8-13.8 KM/H 39-49 M.P.H. 25-31 /WAVE HT = 10 FT 7 -- NEAR GALE MEAN VELOCITY IN KNOTS 28-33 METERS/SEC 13.9-17.1 KM/H 50-61 M.P.H. 32-38 /WAVE HT = 14 FT 8 -- GALE MEAN VELOCITY IN KNOTS 34-40 METERS/SEC 17.2-20.7 KM/H 62-74 M.P.H. 39-46 /WAVE HT = 18 FT 9 -- STRONG GALE MEAN VELOCITY IN KNOTS 41-47 METERS/SEC 20.8-24.4 KM/H 75-88 M.P.H. 47-54 /WAVE HT = 23 FT 0053 CLOUD TYPE (WMO500) 0 -- CIRRUS 1 -- CIRROCUMULUS 2 -- CIRROSTRATUS 3 -- ALTOCUMULUS 4 -- ALTOSTRATUS 5 -- NIMBOSTRATUS 6 -- STRATOCUMULUS 7 -- STRATUS 8 -- CUMULUS 9 -- CUMULONIMBUS X -- CLOUD NOT VISIBLE OWING TO DARKNESS, FOG, DUSTSTORM, SANDSTORM, OR OTHER ANALOGOUS PHENOMENA 0104 WAVE HT (WMO1555) -- NOTE-50 ADDED TO DIRECTION FIELD (CODE 110) TO INDICATE HEIGHTS > 4 1/2 METERS. 0 -- LESS THAN 1/4 M (1 FT) OR 5 M (16 FT) 1 -- 1/2 M (1 1/2 FT) OR 5 1/2 M (17 1/2 FT) 2 -- 1 M (3 FT) OR 6 M (19 FT) 3 -- 1 1/2 M (5 FT) OR 6 1/2 M (21 FT) 4 -- 2 M (6 1/2 FT) OR 7 M (22 1/2 FT) 5 -- 2 1/2 M (8 FT) OR 7 1/2 M (24 FT) 6 -- 3 M (9 1/2 FT) OR 8 M (25 1/2 FT) 7 -- 3 1/2 M (11 FT) OR 8 1/2 M (27 FT) 8 -- 4 M (13 FT) OR 9 M (29 FT) 9 -- 4 1/2 M (14 FT) OR 9 1/2 M (30 1/2 FT) X -- HEIGHT NOT DETERMINED 0105 CLOUD AMT (WMO2700) 0 -- 0 (ZERO) 1 -- 1 OKTA OR LESS, BUT NOT ZERO (1/10 OR LESS, BUT NOT ZERO) 2 -- 2 OKTAS 2/10-3/10 3 -- 3 OKTAS 4/10 4 -- 4 OKTAS 5/10 5 -- 5 OKTAS 6/10 6 -- 6 OKTAS 7/10-8/10 7 -- 7 OKTAS OR MORE, BUT NOT 8 OKTAS (9/10 OR MORE, BUT NOT 10/10) 8 -- 8 OKTAS 10/10 9 -- SKY OBSCURED, OR CLOUD AMOUNT CANNOT BE ESTIMATED 0108 WEATHER (WMO4501) 0 -- CLEAR (NO CLOUD AT ANY LEVEL) 1 -- PARTLY CLOUDY (SCATTERED OR BROKED) 2 -- CONTINUOUS LAYER(S) OF CLOUD(S) 3 -- SANDSTORM, DUSTSTORM, OR BLOWING SNOW 4 -- FOG, THICK DUST OR HAZE 5 -- DRIZZLE 6 -- RAIN 7 -- SNOW, OR RAIN AND SNOW MIXED 8 -- SHOWER(S) 9 -- THUNDERSTORM(S) 0109 SEA STATE (WMO3700) 0 -- CALM-GLASSY 0 FT (0 METERS) 1 -- CALM-RIPPLED 0-1/3 FT (0-.1METERS) 2 -- SMOOTH-WAVELET 1/3-1 2/3 FT (.1-.5 METERS) 3 -- SLIGHT 1 2/3 - 4 FT(.5-1.25 METERS) 4 -- MODERATE 4-8 FT(1.25-2.50 METERS) 5 -- ROUGH 8-13 FT(2.50-4.0 METERS) 6 -- VERY ROUGH 13-20 FT(4-6 METERS) 7 -- HIGH 20-30 FT(6-9 METERS) 8 -- VERY HIGH 30-45 FT(9-14 METERS) 9 -- PHENOMENAL >45 FT (>14 METERS) 0110 WIND-WAVE DIRECTION 00 -- CALM (NO WAVES-NO MOTION) 01 -- 5 DEGREES - 14 DEGREES 02 -- 15 DEGREES - 24 DEGREES 03 -- 25 DEGREES - 34 DEGREES 04 -- 35 DEGREES - 44 DEGREES 05 -- 45 DEGREES - 54 DEGREES 06 -- 55 DEGREES - 64 DEGREES 07 -- 65 DEGREES - 74 DEGREES 08 -- 75 DEGREES - 84 DEGREES 09 -- 85 DEGREES - 94 DEGREES 10 -- 95 DEGREES - 104 DEGREES 11 -- 105 DEGREES - 114 DEGREES 12 -- 115 DEGREES - 124 DEGREES 13 -- 125 DEGREES - 134 DEGREES 14 -- 135 DEGREES - 144 DEGREES 15 -- 145 DEGREES - 154 DEGREES 16 -- 155 DEGREES - 164 DEGREES 17 -- 165 DEGREES - 174 DEGREES 18 -- 175 DEGREES - 184 DEGREES 19 -- 185 DEGREES - 194 DEGREES 20 -- 195 DEGREES - 204 DEGREES 21 -- 205 DEGREES - 214 DEGREES 22 -- 215 DEGREES - 224 DEGREES 23 -- 225 DEGREES - 234 DEGREES 24 -- 235 DEGREES - 244 DEGREES 25 -- 245 DEGREES - 254 DEGREES 26 -- 255 DEGREES - 264 DEGREES 27 -- 265 DEGREES - 274 DEGREES 28 -- 275 DEGREES - 284 DEGREES 29 -- 285 DEGREES - 294 DEGREES 30 -- 295 DEGREES - 304 DEGREES 31 -- 305 DEGREES - 314 DEGREES 32 -- 315 DEGREES - 324 DEGREES 33 -- 325 DEGREES - 334 DEGREES 34 -- 335 DEGREES - 344 DEGREES 35 -- 345 DEGREES - 354 DEGREES 36 -- 355 DEGREES - 4 DEGREES 49 -- WAVES CONFUSED, DIRECTION INDETERMINATE (WAVES EQUAL TO OR LESS THAN 4 3/4 METERS) 99 -- WAVES CONFUSED, DIRECTION INDETERMINATE (WAVES GEATER THAN 4 3/4 METERS) WINDS VARIABLE, OR ALL DIRECTIONS OR UNKNOWN 0159 WEATHER (WMO4677) 00 -- CLOUD DEVELOP. NOT OBSERVED OR NOT OBSERVABLE-CHAR. CHANGE OF THE STATE OF SKY DURING PAST HOUR 01 -- CLOUDS GENERALLY DISSOLVING OF BECOMING LESS DEVELOPED-CHAR. CHANGE OF STATE OF SKY DURING PAST HR. 02 -- STATE OF SKY ON THE WHOLE UNCHANGED-CHAR. CHANGE OF THE STATE OF SKY DURING THE PAST HOUR 03 -- CLOUDS GENERALLY FORMING OR DEVELOPING-CHAR. CHANGE OF THE STATE OF SKY DURING THE PAST HOUR 04 -- VISIBILTY REDUCED BY SMOKE, E.G. VELDT OF FOREST FIRES, INDUSTRIAL SMOKE OR VOLCANIC ASHES 05 -- HAZE 06 -- WIDESPREAD DUST IN SUSPENSION IN THE AIR, RAISED BY WIND AT OR NEAR THE STATION AT TIME OF OBS. 07 -- DUST OR SAND RAISED BY WIND AT OR NEAR THE STATION AT THE TIME OF OBSERVATION, BUT NO WELL DEVELOPED DUST WHIRL(S) OR SAND WHIRL(S), AND NO DUSTSTORM OR SANDSTORM SEEN 08 -- WELL DEVELOP. DUST WHIRL(S) OR SAND WHIRL(S) SEEN AT OR NEAR STATION DURING THE PRECEDING HOUR OR AT THE TIME OF OBSERVATION, BUT NO DUSTSTORM OR SANDSTORM 09 -- DUSTSTORM OR SANDSTORM WITHIN SIGHT AT THE TIME OF OBSERVA., OR AT STATION DURING PRECEDING HOUR 10 -- MIST 11 -- PATCHES OF SHALLOW FOG OR ICE FOG AT THE STATION, WHETHER ON LAND OR SEA, NOT DEEPER THAN ABOUT 2 METERS ON LAND OR 10 METERS AT SEA 12 -- MORE OR LESS CONTINUOUS SHALLOW FOG OR ICE FOG AT THE STATION, WHETHER ON LAND OR SEA, NOT DEEPER THAN ABOUT 2 M ON LAND OR 10 M AT SEA 13 -- LIGHTNING VISIBLE, NO THUNDER HEARD 14 -- PRECIPITATION WITHIN SIGHT, NOT REACHING THE GROUND OR THE SURFACE OF THE SEA 15 -- PRECIPITATION WITHIN SIGHT, REACHING THE GROUND OR THE SURFACE OF THE SEA, BUT DISTANT (I.E. ESTIMATED TO BE MORE THAN 5 KM) FROM THE STATION 16 -- PREC. WITHIN SIGHT, REACHING GROUND OR SURFACE OF THE SEA, NEAR TO, BUT NOT AT THE STATION 17 -- THUNDERSTORM, BUT NO PRECIPITATION AT THE TIME OF OBSERVATION 18 -- SQUALLS AT OR WITHIN SIGHT OF THE STATION DURING THE PRECEDING HOUR OR AT TIME OF OBSERVATION 19 -- FUNNEL CLOUD(S) AT OR WITHIN SIGHT OF STATION DURING PRECEDING HOUR OR AT THE TIME OF OBSERVATION 20 -- DRIZZLE (NOT FREEZING) OR SNOW GRAINS - NOT FALLING AS SHOWER(S) 21 -- RAIN (NOT FREEZING) - NOT FALLING AS SHOWER(S) 22 -- SNOW - NOT FALLING AS SHOWER(S) 23 -- RAIN AND SNOW OR ICE PELLETS, TYPE (A) - NOT FALLING AS SHOWER(S) 24 -- FREEZING DRIZZLE OR FREEZING RAIN - NOT FALLING AS SHOWER(S) 25 -- SHOWER(S) OF RAIN - NOT FALLING AS SHOWER(S) 26 -- SHOWER(S) OF SNOW, OR OF RAIN AND SNOW - NOT FALLING AS SHOWER(S) 27 -- SHOWER(S) OF HAIL, OR OF RAIN AND HAIL - NOT FALLING AS SHOWER(S) 28 -- FOG OR ICE FOG - NOT FALLING AS SHOWER(S) 29 -- THUNDERSTORM (WITH OR WITHOUT PRECIPITATION) 30 -- SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM-HAS DECREASED DURING THE PRECEDING HOUR 31 -- SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 32 -- SLIGHT OR MODERATE DUSTSTORM OR SANDSTORM-HAS BEGUN OR HAS INCREASED DURING THE PRECEDING HOUR 33 -- SEVERE DUSTSTORM OR SANDSTORM-HAS DECREASED DURING THE PRECEDING HOUR 34 -- SEVERE DUSTSTORM OR SANDSTORM-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 35 -- SEVERE DUSTSTORM OR SANDSTORM-HAS BEGUN OR HAS INCREASED DURING THE PRECEDING HOUR 36 -- SLIGHT OR MODERATE BLOWING SNOW-GENERALLY LOW (BELOW EYE LEVEL) 37 -- HEAVY DRIFTING SNOW-GENERALLY LOW (BELOW EYE LEVEL) 38 -- SLIGHT OR MODERATE BLOWING SNOW-GENERALLY HIGH (ABOVE EYE LEVEL) 39 -- HEAVY BLOWING SNOW-GENERALLY HIGH (ABOVE EYE LEVEL) 40 -- FOG OR ICE FOG AT A DISTANCE AT TIME OF OBSERVATION, BUT NOT AT THE STATION DURING THE PRECEDING HOUR, THE FOG OR ICE FOG EXTENDING TO A LEVEL ABOVE THAT OF THE OBSERVER 41 -- FOG OR ICE FOG IN PATCHES 42 -- FOG OR ICE FOG, SKY VISIBLE-HAS BECOME THINNER DURING THE PRECEDING HOUR 43 -- FOG OR ICE FOG, SKY INVISIBLE-HAS BECOME THINNER DURING THE PRECEDING HOUR 44 -- FOG OR ICE FOG, SKY VISIBLE-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 45 -- FOG OR ICE FOG, SKY INVISIBLE-NO APPRECIABLE CHANGE DURING THE PRECEDING HOUR 46 -- FOG OR ICE FOG, SKY VISIBLE-HAS BEGUN OR HAS BECOME THICKER DURING THE PRECEDING HOUR 47 -- FOG OR ICE FOG, SKY INVISIBLE-HAS BEGUN OR HAS BECOME THICKER DURING THE PRECEDING HOUR 48 -- FOG, DEPOSITING RIME, SKY VISIBLE 49 -- FOG, DEPOSITING RIME, SKY INVISIBLE 50 -- DRIZZLE, NOT FREEZING, INTERMITTENT-SLIGHT AT TIME OF OBSERVATION 51 -- DRIZZLE, NOT FREEZING, CONTINUOUS-SLIGHT AT TIME OF OBSERVATION 52 -- DRIZZLE, NOT FREEZING, INTERMITTENT-MODERATE AT TIME OF OBSERVATION 53 -- DRIZZLE, NOT FREEZING, CONTINUOUS-MODERATE AT TIME OF OBSERVATION 54 -- DRIZZLE, NOT FREEZING, INTERMITTENT-HEAVY (DENSE) AT TIME OF OBSERVATION 55 -- DRIZZLE, NOT FREEZING, CONTINUOUS-HEAVY (DENSE) AT TIME OF OBSERVATION 56 -- DRIZZLE, FREEZING, SLIGHT 57 -- DRIZZLE, FREEZING, MODERATE OR HEAVY (DENSE) 58 -- DRIZZLE AND RAIN, SLIGHT 59 -- DRIZZLE AND RAIN, MODERATE OR HEAVY 60 -- RAIN, NOT FREEZING, INTERMITTENT-SLIGHT AT TIME OF OBSERVATION 61 -- RAIN, NOT FREEZING, CONTINUOUS-SLIGHT AT TIME OF OBSERVATION 62 -- RAIN, NOT FREEZING, INTERMITTENT-MODERATE AT TIME OF OBSERVATION 63 -- RAIN, NOT FREEZING, CONTINUOUS-MODERATE AT TIME OF OBSERVATION 64 -- RAIN, NOT FREEZING, INTERMITTENT-HEAVY AT TIME OF OBSERVATION 65 -- RAIN, NOT FREEZING, CONTINUOUS-HEAVY AT TIME OF OBSERVATION 66 -- RAIN, FREEZING, SLIGHT 67 -- RAIN, FREEZING, MODERATE OR HEAVY 68 -- RAIN OR DRIZZLE AND SNOW, SLIGHT 69 -- RAIN OR DRIZZLE AND SNOW, MODERATE OR HEAVY 70 -- INTERMITTENT FALL OF SNOW FLAKES-SLIGHT AT TIME OF OBSERVATION 71 -- CONTINUOUS FALL OF SNOW FLAKES-SLIGHT AT TIME OF OBSERVATION 72 -- INTERMITTENT FALL OF SNOW FLAKES-MODERATE AT TIME OF OBSERVATION 73 -- CONTINUOUS FALL OF SNOW FLAKES-MODERATE AT TIME OF OBSERVATION 74 -- INTERMITTENT FALL OF SNOW FLAKES-HEAVY AT TIME OF OBSERVATION 75 -- CONTINUOUS FALL OF SNOW FLAKES-HEAVY AT TIME OF OBSERVATION 76 -- ICE PRISMS (WITH OR WIHTOUT FOG) 77 -- SNOW GRAINS (WITH OF WITHOUT FOG) 78 -- ISOLATED STARLIKE SNOW CRYSTALS (WITH OR WITHOUT FOG) 79 -- ICE PELLETS, TYPE (A) 80 -- RAIN SHOWER(S), SLIGHT 81 -- RAIN SHOWER(S), MODERATE OR HEAVY 82 -- RAIN SHOWER(S), VIOLENT 83 -- SHOWER(S) OF RAIN ANS SNOW MIXED, SLIGHT 84 -- SHOWER(S) OF RAIN ANS SNOW MIXED, MODERATE OR HEAVY 85 -- SNOW SHOWER(S), SLIGHT 86 -- SHOW SHOWER(S), MODERATE OR HEAVY 87 -- SHOWER(S) OF SNOW PELLETS OR ICE PELLETS, TYPE(B),WITH/WITHOUT RAIN AND SNOW MIXED-SLIGHT 88 -- SHOWER(S) OF SNOW PELLETS OR ICE PELLETS, TYPE(B), WITH/WITHOUT RAIN OR RAIN AND SNOW MIXED-MODERATE OR HEAVY 89 -- SHOWER(S) OF HAIL, WITH OR WITHOUT RAIN OR RAIN AND SNOW MIXED, NOT ASSOC. WITH THUNDER-SLIGHT 90 -- SHOWER(S)OF HAIL, WITH/WITHOUT RAIN OR RAIN AND SNOW MIXED, NOT ASSOC. W/THUNDER-MODERATE OR HEAVY 91 -- SLIGHT RAIN AT TIME OF OBSERVATION-THUNDERSTORM DURING THE PRECEDING HOUR BUT NOT AT TIME OF OBS. 92 -- MODERATE OR HEAVY RAIN AT TIME OF OBSER.-THUNDERSTORM DURING PRECEDING HR. BUT NOT AT TIME OF OBS. 93 -- SLIGHT SNOW, OR RAIN AND SNOW MIXED OR HAIL AT TIME OF OBSER.-THUNDERSTORM DURING THE PRECEDING HOUR BUT NOT AT TIME OF OBSERVATION 94 -- MODERATE OR HEAVY SNOW, OR RAIN AND SNOW MIXED OR HAIL AT TIME OF OBSERVATION-THUNDERSTORM DURING THE PRECEDING HOUR BUT NOT AT TIME OF OBSERVATION 95 -- THUNDERSTORM, SLIGHT OR MODERATE, WITHOUT HAIL, BUT W/RAIN AND/OR SNOW AT TIME OF OBSERVATION-THUNDERSTORM AT TIME OF OBSERVATION 96 -- THUNDERSTORM, SLIGHT OR MODERATE, WITH HAIL AT TIME OF OBSERVATION-THUNDERSTORM AT TIME OF OBS. 97 -- THUNDERSTORM, HEAVY, WITHOUT HAIL, BUT WITH RAIN AND/OR SNOW AT TIME OF OBSER.-THUNDERSTORM AT TIME OF OBSERVATION 98 -- THUNDERSTORM COMBINED WITH DUSTSTORM OR SANDSTORM AT TIME OF OBSER.-THUNDERSTORM AT TIME OF OBS. 99 -- THUNDERSTORM, HEAVY, WITH HAIL AT TIME OF OBSERVATION -THUNDERSTORM AT TIME OF OBSERVATION 0378 WAVE PERIOD 0 -- 20 OR 21 SECONDS 1 -- OVER 21 SECONDS 2 -- 5 SECONDS OR LESS 3 -- 6 OR 7 SECONDS 4 -- 8 OR 9 SECONDS 5 -- 10 OR 11 SECONDS 6 -- 12 OR 13 SECONDS 7 -- 14 OR 15 SECONDS 8 -- 16 OR 17 SECONDS 9 -- 18 OR 19 SECONDS X -- CALM, OR PERIOD NOT DETERMINED 0608 DATA QUALITY FLAGS -- DATA PASSED ALL APPLIED QUALITY CHECKS 6 -- DEPTH MEASUREMENT IS BY UNCORRECTED WIRE-OUT, WITH POSSIBLE ERROR 7 -- DATA VALUE MARKED QUESTIONABLE BY NODC 8 -- DATA VALUE MARKED QUESTIONABLE BY ORIGINATOR 9 -- AT THE PRECEEDING DEPTH 9 -- DENSITY INVERSION. SIGMA-T IS AT LEAST 0.02 UNITS LESS THAN THAT