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Physical and Chemical Properties from
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This file format contains high-resolution data collected using CTD (conductivity-temperature-depth) and STD (salinity-temperature-depth) instruments. As they are lowered and raised in the oceans, these electronic devices provide nearly continuous profiles of temperature, salinity, and other parameters. Data values may be subject to averaging or filtering or obtained by interpolation and may be reported at depth intervals as fine as 1m. Cruise and instrument information, position, date, time and sampling interval are reported for each station. Environmental data at the time of the cast (meteorological and sea surface conditions) may also be reported. The data record comprises values of temperature, salinity or conductivity, density (computed sigma-t), and possibly dissolved oxygen or transmissivity at specified depth or pressure levels. Data may be reported at either equally or unequally spaced depth or pressure intervals. A text record is available for comments.
File Structure:
Eight 120-character records: (1) Text Record, (2) Master Record, (3) Detail Record 1, (4) Detail Record 2, (5) Detail Record 3, (6) Detail Record 4, (7) Detail Record 5, (8) Detail Record 6. This file is sorted by station number (cast number), record type, and sequence number.
File Format:
High Resolution CTD/STD Data (F022)
PARAMETER DESCRIPTION START FIELD
COLUMN LENGTH
TEXT RECORD
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6-CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFIER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '1' 10 1
CAST NUMBER FIVE-CHARACTER FIELD ASSIGNED BY THE 11 5
ORIGINATOR - ALSO INCLUDED ON RECORD
TYPES 2,3 AND 4
TEXT 100-CHARACTER FIELD - USED FOR COMMENTS 16 100
OR PERTINENT INFORMATION
SEQUENCE NUMBER XXXXX - USED FOR SORTING TEXT RECORDS 116 5
MASTER RECORD
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6 CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFIER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '2' 10 1
CAST NUMBER SEE RECORD '1' 11 5
LATITUDE DDMMXX (DEGREES, MINUTES TO HUNDREDTHS) 16 6
LATITUDE HEMISPHERE 1-CHARACTER CODE 'N' OR 'S' 22 1
LONGITUDE DDDMMXX (DEGREES, MINUTES TO HUNDREDTHS)23 7
LONGITUDE HEMISPHERE 1-CHARACTER CODE 'E' OR 'W' 30 1
CRUISE IDENTIFICATION TEN-CHARACTER FIELD ASSIGNED BY THE 31 10
ORIGINATOR
NUMBER OF SCANS XXXXX - USED TO INDICATE NUMBER OF 41 5
SCANS PER STATION (FIVE/RECORD)
DATE (GMT) YYMMDD 46 6
TIME (GMT) XXXX (HOURS AND MINUTES) 52 4
SAMPLE INTERVAL INDICATOR ONE-DIGIT CODE - USE CODE NODC 0216 56 1
SAMPLE INTERVAL XXX - WHEN INDICATOR CODE=1 (EQUAL 57 3
SPACED DEPTHS) - (METERS TO TENTHS)
BAROMETRIC PRESSURE XXXXX (MILLIBARS TO TENTHS) 60 5
WET BULB TEMPERATURE XXXX NEGATIVE TEMPERATURES ARE PRECEDED 65 4
BY A MINUS SIGN ADJACENT TO TEMPERATURE
VALUE - DEG C TO TENTHS
DRY BULB TEMPERATURE XXXX NEGATIVE TEMPERATURES ARE PRECEDED 69 4
BY A MINUS SIGN ADJACENT TO TEMPERATURE
VALUE - DEG C TO TENTHS
WIND DIRECTION XX - TWO-DIGIT CODE - DIRECTION FROM 73 2
USE CODE 0110 (WMO 0885/0887)
WIND SPEED XX (WHOLE KNOTS) 75 2
WEATHER ONE-DIGIT CODE - USE NODC CODE 0108 77 1
(WMO 4501)
SEA STATE ONE-DIGIT CODE - USE NODC CODE 0109 78 1
(WMO 3700)
VISIBILITY ONE-DIGIT CODE - USE NODC CODE 0157 79 1
(WMO 4300)
CLOUD TYPE ONE-DIGIT CODE USE NODC CODE 0053 80 1
(WMO 0500)
CLOUD AMOUNT ONE-DIGIT CODE - USE NODC CODE 0105 81 1
(WMO 2700)
INSTRUMENT INFORMATION TWENTY-CHARACTER FIELD FOR TYPE OF 82 20
INSTRUMENT, SERIAL NUMBER, ETC
LOCATION NAME SIX-CHARACTER NAME DETERMINED BY THE 102 6
ORIGINATOR
DEPTH TO BOTTOM XXXXX (WHOLE METERS) 108 5
MAXIMUM DEPTH OF CAST XXXX (WHOLE METERS) 113 4
SALINITY METHOD ONE CHARACTER CODE - USE NODC CODE 0502 117 1
('P'=PRACTICAL SALINITY, 'S'=SALINITY,
BLANK=NOT SPECIFIED)
CAST DIRECTION ONE CHARACTER CODE - USE NODC CODE 0508 118 1
BLANKS 119 2
DETAIL RECORD 1
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6-CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFIER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '3' 10 1
CAST NUMBER SEE RECORD '1' 11 5
DEPTH XXXXX (METERS TO TENTHS) 16 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 21 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 26 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 31 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 35 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 36 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 41 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 46 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 51 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 55 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 56 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 61 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 66 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 71 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 75 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 76 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 81 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 86 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 91 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 95 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 96 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 101 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 106 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 111 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 115 1
SCANNING DATA - USE NODC CODE 0080
SEQUENCE NUMBER XXXXX - USED FOR SORTING DATA RECORDS 116 5
DETAIL RECORD 2
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6-CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '4' 10 1
CAST NUMBER SEE RECORD '1' 11 5
DEPTH XXXXX (METERS TO TENTHS) 16 5
DISSOLVED OXYGEN XXXXX - ML/L TO THOUSANDTHS 21 5
TRANSMISSIVITY XXXXX (PERCENT TO THOUSANDTHS) 26 5
BLANKS 31 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 35 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 36 5
DISSOLVED OXYGEN XXXXX - ML/L TO THOUSANDTHS 41 5
TRANSMISSIVITY XXXXX (PERCENT TO THOUSANDTHS) 46 5
BLANKS 51 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 55 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 56 5
DISSOLVED OXYGEN XXXXX - ML/L TO THOUSANDTHS 61 5
TRANSMISSIVITY XXXXX (PERCENT TO THOUSANDTHS) 66 5
BLANKS 71 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 75 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 76 5
DISSOLVED OXYGEN XXXXX - ML/L TO THOUSANDTHS 81 5
TRANSMISSIVITY XXXXX (PERCENT TO THOUSANDTHS) 86 5
BLANKS 91 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 95 1
SCANNING DATA - USE CODE NODC 0080
DEPTH XXXXX (METERS TO TENTHS) 96 5
DISSOLVED OXYGEN XXXXX - ML/L TO THOUSANDTHS 101 5
TRANSMISSIVITY XXXXX (PERCENT TO THOUSANDTHS) 106 5
BLANKS 111 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 115 1
SCANNING DATA - USE CODE NODC 0080
SEQUENCE NUMBER XXXXX - USED FOR SORTING DATA RECORDS 116 5
DETAIL RECORD 3
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6-CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFIER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '5' 10 1
CAST NUMBER SEE RECORD '1' 11 5
DEPTH XXXXX (METERS TO TENTHS) 16 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 21 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 26 5
BLANKS 31 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 35 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 36 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 41 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 46 5
BLANKS 51 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 55 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 56 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 61 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 66 5
BLANKS 71 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 75 1
SCANNING DATA - USE NODC CODE 0080
DEPTH XXXXX (METERS TO TENTHS) 76 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 81 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 86 5
BLANKS 91 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 95 1
SCANNING DATA - USE CODE NODC 0080
DEPTH XXXXX (METERS TO TENTHS) 96 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 101 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 106 5
BLANKS 111 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 115 1
SCANNING DATA - USE NODC CODE 0080
SEQUENCE NUMBER XXXXX - USED FOR SORTING DATA RECORDS 116 5
DETAIL RECORD 4
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6-CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFIER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '6' 10 1
CAST NUMBER SEE RECORD '1' 11 5
PRESSURE XXXXX (DECIBARS TO TENTHS) 16 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 21 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 26 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 31 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 35 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 36 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 41 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 46 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 51 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 55 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 56 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 61 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 66 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 71 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 75 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 76 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 81 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 86 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 91 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 95 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 96 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 101 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
SALINITY XXXXX (PARTS PER THOUSAND OR PRACTICAL 106 5
SALINITY UNITS - TO THOUSANDTHS)
SIGMA-T XXXX - TO HUNDREDTHS 111 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 115 1
SCANNING DATA - USE NODC CODE 0080
SEQUENCE NUMBER XXXXX - USED FOR SORTING DATA RECORDS 116 5
DETAIL RECORD 5
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6-CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFIER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '7' 10 1
CAST NUMBER SEE RECORD '1' 11 5
PRESSURE XXXXX (DECIBARS TO TENTHS) 16 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 21 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 26 5
BLANKS 31 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 35 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 36 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 41 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 46 5
BLANKS 51 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 55 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 56 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 61 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 66 5
BLANKS 71 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 75 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 76 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 81 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 86 5
BLANKS 91 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 95 1
SCANNING DATA - USE NODC CODE 0080
PRESSURE XXXXX (DECIBARS TO TENTHS) 96 5
TEMPERATURE XXXXX NEGATIVE TEMPERATURES ARE 101 5
PRECEDED BY A MINUS SIGN ADJACENT TO
TEMPERATURE VALUE - DEG C TO THOUSANDTHS
CONDUCTIVITY XXXXX (MMHO/CM TO THOUSANDTHS) 106 5
BLANKS 111 4
SCAN CONDITION ONE-CHARACTER CODE INDICATING METHOD OF 115 1
SCANNING DATA - USE NODC CODE 0080
SEQUENCE NUMBER XXXXX - USED FOR SORTING DATA RECORDS 116 5
DETAIL RECORD 6
NODC FILE NUMBER ALWAYS '022' 1 3
NODC TRACK NUMBER 6-CHARACTER UNIQUE CRUISE OR DATA SET 4 6
IDENTIFIER ASSIGNED BY NODC
RECORD NUMBER ALWAYS '8' 10 1
CAST NUMBER SEE RECORD '1' 11 5
PRESSURE XXXXX (DECIBARS TO TENTHS) 16 5
TEMPERATURE XXXXX (DEG C TO THOUSANDTHS) 21 5
SALINITY XXXXX (PPT OR PRACTICAL SALINITY UNITS- 26 5
TO THOUSANDTHS)
DISSOLVED OXYGEN XXXX (MILLILITERS/LITER) 31 4
SCAN CONDITION CODE ONE-CHARACTER CODE - USE NODC CODE 0080 35 1
PRESSURE XXXXX (DECIBARS TO TENTHS) 36 5
TEMPERATURE XXXXX (DEG C TO THOUSANDTHS) 41 5
SALINITY XXXXX (PPT TO OR PRACTICAL SALINITY 46 5
UNITS - TO THOUSANDTHS)
DISSOLVED OXYGEN XXXX (MILLILITERS/LITER) 51 4
SCAN CONDITION CODE ONE-CHARACTER CODE - USE NODC CODE 0080 55 1
PRESSURE XXXXX (DECIBARS TO TENTHS) 56 5
TEMPERATURE XXXXX (DEG C TO THOUSANDTHS) 61 5
SALINITY XXXXX (PPT OR PRACTICAL SALINITY UNITS 66 5
- TO THOUSANDTHS)
DISSOLVED OXYGEN XXXX (MILLILITERS/LITER) 71 4
SCAN CONDITION CODE ONE-CHARACTER CODE - USE NODC CODE 0080 75 1
PRESSURE XXXXX (DECIBARS TO TENTHS) 76 5
TEMPERATURE XXXXX (DEG C TO THOUSANDTHS) 81 5
SALINITY XXXXX (PPT OR PRACTICAL SALINITY UNITS 86 5
- TO THOUSANDTHS)
DISSOLVED OXYGEN XXXX (MILLILITERS/LITER) 91 4
SCAN CONDITION CODE ONE-CHARACTER CODE - USE NODC CODE 0080 95 1
PRESSURE XXXXX (DECIBARS TO TENTHS) 96 5
TEMPERATURE XXXXX (DEG C TO THOUSANDTHS) 101 5
SALINITY XXXXX (PPT OR PRACTICAL SALINITY UNITS 106 5
- TO THOUSANDTHS)
DISSOLVED OXYGEN XXXX (MILLILITERS/LITER) 111 4
SCAN CONDITION CODE ONE-CHARACTER CODE - USE NODC CODE 0080 115 1
SEQUENCE NUMBER XXXXX - USED FOR SORTING DATA RECORDS 116 5
NODC Code Tables Used with this Format:
CODE NUMBER CODE NAME ----------- --------- 0053 Cloud Type(WMO 0500) 0080 STD-SCAN Condition 0105 Cloud Amount (WMO 2700) 0108 Weather (WMO 4501) 0109 Sea State (WMO 3700) 0110 Wind-Wave Direction (WMO 0885/0887) 0157 Visibilty (WMO 4300) 0216 Sample Interval
Code types used with the F022 NODC file format.