(updated daily around 2am)
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Example monthly F6... PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: TULSA OKLAHOMA MONTH: MAY YEAR: 2004 LATITUDE: 36 12 N LONGITUDE: 95 54 W TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND ================================================================================ 1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 62 48 55 -10 10 0 0.09 0.0 0 11.6 18 20 M M 8 1 29 20 2 72 42 57 -8 8 0 0.00 0.0 0 8.1 24 350 M M 2 30 350 3 67 39 53 -13 12 0 0.00 0.0 0 6.9 14 180 M M 2 M M Here is a brief listing of what each of the columns holds: Column 1 - Day of the Month Column 2 - Maximum Temperature for the day (Midnight to Midnight CST) Column 3 - Minimum Temperature for the day (Midnight to Midnight CST) Column 4 - Average Temperature (MAX+MIN/2) Column 5 - Daily Departure from Normal Temperature Column 6A - Heating Degree Days (COLUMN 4 - 65 degrees) (zero if col 4 > 64) Column 6B - Cooling Degree Days (65 degrees - COLUMN 4) (zero if col 4 < 66) Column 7 - Precipitation (rain or melted snow/sleet/ice) in hundreths of inches Column 8 - Daily Snowfall (in tenths of inches). Column 9 - Depth of the Snow on the ground (everything). Column 10- Average Wind Speed for the Day Column 11 - Maximum 2-min-average wind speed during the Day Column 12 - Average Wind Direction for the Day (360 degree compass) Column 13 - Minutes of Sunshine (n/a) Column 14 - Percent of possible sunshine (n/a) Column 15 - Sky cover Average Sunrise to Sunset (in tenths of sky covered by clouds) Column 16 - Any Weather (Numeric Codes found on the form) Column 17 - Peak Wind Speed Column 18 - Direction that peak wind came from (360 degree compass) M - Missing data