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DAILY (new) SUMMARY DATA
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UP THROUGH 1993 ORIGINAL LOGICAL RECORD LENGTH IS 120 CHARACTERS
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THE FOLLOWING PARAMETER LIST AND FORMAT MAY BE USED TO READ A LOGICAL RECORD:
DIMENSION IWW(8)
CHARACTER*5 BKIDN
READ(8,10) IDATE,BKIDN,RMAX,RMIN,RPRCP,EPRCP,VP,POTEV,
+ VPD,SLP06,SLP12,SLP18,SLP00,APTMX,CHILLM,RAD,MAXFL,MINFL,IFPRQ,
+ IFPRT,NOBS,NOBSP,NOPE,NTRACE,IWW,MXRH,MNRH,IFVPQ
10 FORMAT(1X,I8,A5,2F5.1,2F6.1,3F6.2,5F6.1,F5.1,F5.2,8I1,8A1,2I3,1X,I1,2X)
BEGINNING IN 1994 ORIGINAL LOGICAL RECORD LENGTH IS 184 CHARACTERS
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THE FOLLOWING PARAMETER LIST AND FORMAT MAY BE USED TO READ A LOGICAL RECORD:
DIMENSION IWW(8),ISKWND(3,8)
CHARACTER*5 BKIDN
READ(8,10) IDATE,BKIDN,RMAX,RMIN,RPRCP,EPRCP,VP,POTEV,
+ VPD,SLP06,SLP12,SLP18,SLP00,APTMX,CHILLM,RAD,MAXFL,MINFL,IFPRQ,
+ IFPRT,NOBS,NOBSP,NOPE,NTRACE,IWW,MXRH,MNRH,IFVPQ,ISKWND,ISNOW
10 FORMAT(1X,I8,A5,2F5.1,2F6.1,3F6.2,5F6.1,F5.1,F5.2,8I1,8A1,2I3,1X,I1,
+ 8(2I2,I3),I5,5x)
FOR ORIGINAL DATA EXPANDED TO 230 CHARACTERS FOR COLUMN FRIENDLY FORMAT
(format produced by executing 'read_dlynew.f' on data formatted as above)
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DIMENSION IWW(8),ISKWND(3,8)
CHARACTER*5 BKIDN
READ(8,10) IDATE,BKIDN,RMAX,RMIN,RPRCP,EPRCP,VP,POTEV,
+ VPD,SLP06,SLP12,SLP18,SLP00,APTMX,CHILLM,RAD,MAXFL,MINFL,IFPRQ,
+ IFPRT,NOBS,NOBSP,NOPE,NTRACE,IWW,MXRH,MNRH,IFVPQ,ISKWND,ISNOW
10 FORMAT(1X,I8,1x,A5,2F6.1,2F7.1,3F7.2,5F7.1,F6.1,F6.2,8I2,1x,
+ 8A1,2I4,1X,I1,8(2I3,I4),I6)
THE VARIABLES ARE:
0. BLANK - 1X
1. IDATE-GREENWICH MEAN DATE OF DATA, IN THE FORM YYYYMMDD.
FORMAT - I8
2. BKIDN- WMO 5-DIGIT STATION IDENTIFIER OR 99 FOLOWED BY
A 3 LETTER AIRWAYS CALLSIGN FOR THOSE LOCATIONS
FOR WHICH NO WMO NUMBER HAS BEEN ASSIGNED.
FORMAT - A5
3. RMAX-24 HOUR MAXIMUM TEMPERATURE. MAY BE ESTIMATED FROM
REPORTED SYNOPTIC AIR TEMPERATURES IF SUFFICIENT DATA EXIST.
UNITS - DEGREES CELSIUS.
FORMAT - F5.1
MISSING - -99.9
4. RMIN-24 HOUR MINIMUM TEMPERATURE. MAY BE ESTIMATED FROM
REPORTED SYNOPTIC AIR TEMPERATURES IF SUFFICIENT DATA EXIST.
UNITS - DEGREES CELSIUS.
FORMAT - F5.1
MISSING - -99.9
5. RPRCP-TOTAL OF PRECIPITATION REPORTED DURING THE 24 HOUR
PERIOD. THIS AMOUNT MAY INCLUDE PRECIPITATION WHICH
FELL DURING THE PREVIOUS 24 HOUR PERIOD PUT WAS NOT INCLUDED
IN THE PREVIOUS DAYS SUMMARY RECORD.
UNITS - MILLIMETERS.
FORMAT - F6.1
MISSING - -99.9
6. EPRCP-TOTAL OF PRECIPITATION INCLUDING ESTIMATES FOR ANY
PERIOD FOR WHICH THERE WAS NO REPORTED AMOUNT.
UNITS - MILLIMETERS.
FORMAT - F6.1
MISSING - -99.9
7. VP-VAPOR PRESSURE
UNITS - MILLIBARS
FORMAT - F6.2
MISSING - -9.99
8. POTEV-POTENTIAL EVAPOTRANSPIRATION
UNITS - MILLIMETERS
FORMAT - F6.2
MISSING - -9.99
9. VPD-VAPOR PRESSURE DEFICIT
UNITS - MILLIBARS
FORMAT - F6.2
MISSING - -9.99
10. SLP06-0600Z SEA LEVEL PRESSURE
11. SLP12-1200Z SEA LEVEL PRESSURE
12. SLP18-1800Z SEA LEVEL PRESSURE
13. SLP00-0000Z SEA LEVEL PRESSURE
(note that 00Z is for the following day)
UNITS - MILLIBARS
FORMAT - F6.1
MISSING - -99.9
14. APTMX-MAXIMUM APPARENT TEMPERATURE
UNITS - DEGREES CELSIUS
FORMAT - F6.1
MISSING - -99.9
15. CHILLM-MINIMUM WIND CHILL
UNITS - DEGREES CELSIUS
FORMAT - F5.1
MISSING - -99.9
16. RAD-NET RADIATION
UNITS - ???
FORMAT - F5.2
MISSING - -9.99
17. MAXFL-MAXIMUM TEMPERATURE FLAG.
0 - VALUE FROM REPORTED EXTREME TEMPERATURE
1-3 - VALUE DERIVED FROM AIR TEMPERATURES
9 EXTREME TEMPERATURE MISSING
FORMAT - I1
18. MINFL-MINIMUM TEMPERATURE FLAG.
VALUES HAVE THE SAME MEANING AS FIELD 14.
FORMAT - I1
19. IFPRQ-PRECIPITATION QUALITY FLAG
0 - THE AMOUNT WAS OBTAINED FROM A 24 HOUR PRECIPITATION
VALUE.
3 - THE AMOUNT WAS OBTAINED FROM TOTALING REPORTED AMOUNTS
FOR PERIODS LESS THAN 24 HOURS.
9 - THE REPORTED AMOUNTS WERE MISSING.
FORMAT - I1
20. IFPRT-PRECIPITATION TIME FLAG INDICATING THE ENDING TIME
OF THE 24 HOUR PERIOD THAT THE PRECIPITATION WAS SUMMARIZED.
1-0300Z 2-0600Z 3-0900Z 4-1200Z 5-1500Z 6-1800Z 7-2100Z
0-2400Z. A 9 INDICATES 0600Z ON THE DAY AFTER THE GREENWICH
DATE INDICATED IN FIELD 1.
FORMAT - I1
21. NOBS-NUMBER OF 3 HOUR PERIODS FOR WHICH AT LEAST ONE
REPORTED WEATHER VALUE WAS RECEIVED.
FORMAT - I1
22. NOBSP-NUMBER OF 3 HOUR PERIODS DURING THE DAY IN WHICH
PAST OR PRESENT WEATHER INDICATED PRECIPITATION. WILL ALWAYS
BE LESS THAN OR EQUAL TO FIELD 21. THE FOLLOWING TABLES OF
PRESENT/PAST WEATHER ARE USED TO DETERMINE IF PRECIPITATION
HAS OCCURRED:
TABLE OF PRESENT WEATHER INDICATING PRECIPITATION OCCURRENCE
AS DEFINED BY CEAS*
DERIVED FROM OFFICE NOTE 124, CODE TABLE 4.
0 - DOES NOT COUNT TOWARD NUMBER OF OBSERVATIONS WITH
PRECIPITATION.
1 - COUNTS TOWARD NUMBER OF OBSERVATIONS WITH PRECIPITATION.
1'S DIGIT OF PRESENT WEATHER CODE
0 1 2 3 4 5 6 7 8 9
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00 ! 0 0 0 0 0 0 0 0 0 0
10'S 10 ! 0 0 0 1 0 1 1 1 1 1
DIGIT 20 ! 1 1 1 1 1 1 1 1 0 1
OF 30 ! 0 0 0 0 0 0 0 0 0 0
PRESENT 40 ! 0 0 0 0 0 0 0 0 0 0
WEATHER 50 ! 1 1 1 1 1 1 1 1 1 1
CODE 60 ! 1 1 1 1 1 1 1 1 1 1
70 ! 1 1 1 1 1 1 1 1 1 1
80 ! 1 1 1 1 1 1 1 1 1 1
90 ! 1 1 1 1 1 1 1 1 1 1
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TABLE OF PAST WEATHER INDICATING PRECIPITATION OCCURRENCE
AS DEFINED BY CEAS*
FROM NMC OFFICE NOTE 124, CODE TABLE 5
PAST WEATHER DIGIT
0 1 2 3 4 5 6 7 8 9
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0 0 0 0 0 1 1 1 1 1
FORMAT I1
23. NOPE-NUMBER OF 6 HOUR PERIODS THAT PRECIPITATION WAS ESTIMATED.
FORMAT I1
24. NTRACE-PRECIPITATION TRACE INDICATOR
0 - NO PRECIPITATION OR A MEASURABLE AMOUNT RECEIVED.
1 - PRECIPITATION OF LESS THAN A MEASURABLE AMOUNT WAS RECEIVED.
FORMAT I1
25-32. IWW-PRESENT/PAST WEATHER CHARACTER FLAGS.
8 - 1 CHARACTER FLAGS INDICATING GENERAL FORM OF MOST
SIGNIFICANT PRESENT OR PAST WEATHER FOR EACH OF THE 8
SYNOPTIC REPORTING TIMES. THE POSITION OF THE FLAG
FROM LEFT TO RIGHT INDICATES THE TIME OF OBSERVATION, I.E.
POSITION 1 IS FOR THE FIRST 3 HOURS SUMMARIZED AND POSITION
8 IS FOR THE LAST 3 HOUR PERIOD THAT WAS SUMMARIZED FOR THAT
STATION. A '-' INDICATES THAT NO STATION REPORT WAS AVAILABLE
FOR THAT TIME PERIOD. '/' INDICATES NEITHER
PRESENT NOR PAST WEATHER REPORTED. THE OTHER CODES
AVAILABLE ARE IN THE FOLLOWING TABLES OF PRESENT/PAST
WEATHER.
TABLE OF PRESENT WEATHER CHARACTER FLAGS
DERIVED FROM NMC OFFICE NOTE 124, CODE TABLE 4.
1'S DIGIT OF PRESENT WEATHER
0 1 2 3 4 5 6 7 8 9
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10'S 00 ! 0 0 0 0 K H D D D D
DIGIT 10 ! M G G U V X X T Q Y
OF 20 ! L R S S Z R S A F T
PRESENT 30 ! D D D D D D J J B B
WEATHER 40 ! F F F F F F F F E E
50 ! L L L L L L Z Z R R
60 ! R R R R R R Z Z S S
70 ! S S S S S S I S C P
80 ! R R R S S S S S S A
90 ! A T T A A T A T T A
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TABLE OF PAST WEATHER CHARACTER FLAGS.
FROM NMC OFFICE NOTE 124, CODE TABLE 5.
PAST WEATHER DIGIT
0 1 2 3 4 5 6 7 8 9
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0 0 0 B F L R S W T
FORMAT 8A1.
33. MXRH-THE MAXIMUM RELATIVE HUMIDITY.
FORMAT - I3.
MISSING - -99
34. MNRH-THE MINIMUM RELATIVE HUMIDITY.
FORMAT - I3.
MISSING - -99
35. IFVPQ-VAPOR PRESSURE QUALITY FLAG.
FORMAT - I1
MISSING - 9
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The following variables are not included prior to Jan 1994
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36-59. TOTAL SKY COVER, WIND DIRECTION, WIND SPEED FOR EACH
3 HOUR TIME PERIOD 03Z-06Z-09Z-12Z-15Z-18Z-21Z-00Z.
(note that 00Z is for the following day)
UNITS- SKY COVER 8THS 9 IS OBSCURED
WIND DIRECTION IN TENS OF DEGREES
WIND SPEED KNOTS
FORMAT - I2,I2,I3
MISSING 99 99 -999
60. TOTAL SNOW DEPTH (WHEN REPORTED, ZERO SNOW DEPTH IS NOT
REPORTED AND IS INDICATED AS MISSING IN THIS FILE)
UNITS - CENTIMETERS.
FORMAT - I5
MISSING - -99
61. BLANKS - 5X
* CEAS - CENTER FOR ENVIRONMENTAL ASSESSMENT SERVICES. IT IS NOW
DEFUNCT. SOME OF IT FUNCTIONS WERE TAKEN OVER BY CAC AND
SOME BY THE JOINT AG WX FACILITY(JAWF). CAC (Climate Analysis
Center) HAS BEEN RENAMED CPC (Climate Prediction Center).
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| Updated 22 December 2005 |