


WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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536 CXUS55 KRIW 261010 CF6CPR PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: CASPER WY MONTH: APRIL YEAR: 2025 LATITUDE: 42 55 N LONGITUDE: 106 28 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 12Z AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 46 27 37 -3 28 0 0.03 T 0 9.7 32 10 M M 7 1 41 10 2 47 21 34 -6 31 0 T T 0 9.8 24 280 M M 5 1 33 290 3 49 14 32 -8 33 0 0.10 0.2 0 6.8 33 10 M M 4 1 41 360 4 31 22 27 -13 38 0 0.16 3.5 3 12.7 37 10 M M 10 1 46 10 5 44 13 29 -11 36 0 0.00 0.0 0 7.8 16 220 M M 1 22 260 6 59 26 43 2 22 0 0.00 0.0 0 8.9 23 320 M M 0 30 290 7 69 27 48 7 17 0 0.00 0.0 0 12.8 25 210 M M 0 35 230 8 68 32 50 9 15 0 0.00 0.0 0 14.6 32 290 M M 1 46 260 9 65 27 46 5 19 0 0.00 0.0 0 12.8 39 290 M M 0 54 280 10 68 19 44 3 21 0 0.00 0.0 0 6.5 17 290 M M 0 8 24 290 11 80 27 54 13 11 0 0.00 0.0 0 11.9 29 250 M M 0 37 260 12 77 33 55 14 10 0 0.00 0.0 0 10.4 36 250 M M 0 48 250 13 52 24 38 -4 27 0 0.00 0.0 0 11.3 28 320 M M 4 38 330 14 54 13 34 -8 31 0 0.00 0.0 0 9.0 25 330 M M 0 31 290 15 73 16 45 3 20 0 0.00 0.0 0 11.0 25 210 M M 0 42 240 16 72 35 54 12 11 0 T 0.0 0 13.4 36 260 M M 2 48 260 17 46 24 35 -7 30 0 0.38 3.0 3 16.6 25 20 M M 9 12 32 30 18 33 19 26 -16 39 0 0.09 1.0 4 10.6 22 20 M M 7 18 26 20 19 45 16 31 -12 34 0 0.00 0.0 0 13.9 23 200 M M 0 29 210 20 58 27 43 0 22 0 T 0.0 0 9.0 23 300 M M 6 32 310 21 60 28 44 1 21 0 0.02 0.0 0 14.6 36 270 M M 3 1 50 270 22 62 19 41 -2 24 0 0.00 0.0 0 7.8 16 30 M M 1 22 30 23 60 25 43 -1 22 0 T 0.0 0 11.3 26 90 M M 3 38 90 24 46 34 40 -4 25 0 0.18 0.0 0 9.5 17 40 M M 10 1 22 40 25 49 33 41 -3 24 0 0.00 0.0 0 15.8 26 90 M M 7 1 35 80 ================================================================================ SM 1413 601 611 0 0.96 7.7 278.5 M 80 ================================================================================ AV 56.5 24.0 11.1 FASTST M M 3 MAX(MPH) MISC ----> 39 290 54 280 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: CASPER WY MONTH: APRIL YEAR: 2025 LATITUDE: 42 55 N LONGITUDE: 106 28 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 40.3 TOTAL FOR MONTH: 0.96 1 = FOG OR MIST DPTR FM NORMAL: -1.4 DPTR FM NORMAL: -0.16 2 = FOG REDUCING VISIBILITY HIGHEST: 80 ON 11 GRTST 24HR 0.46 ON 17-18 TO 1/4 MILE OR LESS LOWEST: 13 ON 14, 5 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 7.7 INCHES 5 = HAIL GRTST 24HR 3.5 ON 4- 4 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 4 ON 18 7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS 8 = SMOKE OR HAZE [NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW X = TORNADO MAX 32 OR BELOW: 1 0.01 INCH OR MORE: 7 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 MIN 32 OR BELOW: 21 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 611 CLEAR (SCALE 0-3) 14 DPTR FM NORMAL 27 PTCLDY (SCALE 4-7) 8 TOTAL FM JUL 1 6475 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL -378 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 0 HIGHEST SLP M ON M DPTR FM NORMAL 0 LOWEST SLP 29.33 ON 1 [REMARKS]