


WFO Monthly/Daily Climate Data
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
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262 CXUS55 KBOU 170900 CF6DEN PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DENVER CO MONTH: APRIL YEAR: 2025 LATITUDE: 39 52 N LONGITUDE: 104 40 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 52 29 41 -5 24 0 0.08 0.3 0 10.4 30 10 M M 6 13 38 350 2 51 28 40 -6 25 0 0.00 0.0 0 10.4 29 300 M M 7 37 290 3 40 27 34 -12 31 0 0.13 1.0 0 7.2 22 100 M M 8 12 28 100 4 38 27 33 -13 32 0 T 0.1 1 11.7 25 30 M M 10 1 32 30 5 42 26 34 -12 31 0 T T T 5.1 13 350 M M 7 1 16 290 6 59 27 43 -3 22 0 0.00 0.0 0 9.2 18 360 M M 5 27 20 7 68 33 51 5 14 0 0.00 0.0 0 7.4 17 200 M M 2 21 190 8 74 44 59 13 6 0 0.00 0.0 0 9.5 18 220 M M 6 24 200 9 73 40 57 10 8 0 0.00 0.0 0 15.0 33 310 M M 3 46 280 10 69 33 51 4 14 0 0.00 0.0 0 6.8 16 160 M M 2 19 160 11 80 41 61 14 4 0 0.00 0.0 0 10.3 21 210 M M 4 25 210 12 86 52 69 22 0 4 0.00 0.0 0 12.1 20 250 M M 7 28 250 13 68 36 52 5 13 0 0.03 T 0 13.7 33 40 M M 8 3 42 30 14 57 31 44 -3 21 0 0.05 0.3 T 5.7 17 10 M M 6 12 22 20 15 72 28 50 3 15 0 0.00 0.0 0 7.5 17 170 M M 3 23 170 16 79 48 64 16 1 0 0.00 0.0 0 9.1 31 210 M M 6 45 220 ================================================================================ SM 1008 550 261 4 0.29 1.7 151.1 M 90 ================================================================================ AV 63.0 34.4 9.4 FASTST M M 6 MAX(MPH) MISC ----> # 33 40 46 280 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: DENVER CO MONTH: APRIL YEAR: 2025 LATITUDE: 39 52 N LONGITUDE: 104 40 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 48.7 TOTAL FOR MONTH: 0.29 1 = FOG OR MIST DPTR FM NORMAL: 2.1 DPTR FM NORMAL: -0.46 2 = FOG REDUCING VISIBILITY HIGHEST: 86 ON 12 GRTST 24HR 0.13 ON 3- 3 TO 1/4 MILE OR LESS LOWEST: 26 ON 5 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 1.7 INCHES 5 = HAIL GRTST 24HR 1.0 ON 3- 3 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 1 ON 4 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: 0 0.01 INCH OR MORE: 4 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1 MIN 32 OR BELOW: 8 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 261 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL -35 PTCLDY (SCALE 4-7) 12 TOTAL FM JUL 1 4792 CLOUDY (SCALE 8-10) 1 DPTR FM NORMAL -537 [CDD (BASE 65) ] TOTAL THIS MO. 4 DPTR FM NORMAL 4 [PRESSURE DATA] TOTAL FM JAN 1 4 HIGHEST SLP M ON M DPTR FM NORMAL 4 LOWEST SLP 29.23 ON 1 [REMARKS]