


WFO Monthly/Daily Climate Data
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
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521 CXUS55 KBOU 120900 CF6DEN PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: DENVER CO MONTH: MAY 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 63 40 52 0 13 0 0.07 0.0 0 7.9 31 10 M M 9 13 39 20 2 66 36 51 -1 14 0 0.00 0.0 0 9.6 18 30 M M 3 26 330 3 77 39 58 6 7 0 0.00 0.0 0 9.7 21 180 M M 1 28 180 4 80 42 61 8 4 0 0.00 0.0 0 15.4 32 150 M M 5 42 150 5 68 45 57 4 8 0 T 0.0 0 19.9 38 150 M M 7 49 150 6 49 33 41 -12 24 0 0.48 0.0 0 10.9 26 100 M M 9 13 35 100 7 56 43 50 -4 15 0 0.48 0.0 0 7.4 18 310 M M 9 13 22 300 8 68 36 52 -2 13 0 0.00 0.0 0 8.0 16 130 M M 3 20 110 9 73 43 58 3 7 0 0.00 0.0 0 6.1 14 10 M M 4 20 40 10 78 45 62 7 3 0 0.00 0.0 0 9.6 24 180 M M 1 34 180 11 84 46 65 10 0 0 T 0.0 0 11.5 38 210 M M 4 3 49 210 ================================================================================ SM 762 448 108 0 1.03 0.0 116.0 M 55 ================================================================================ AV 69.3 40.7 10.5 FASTST M M 5 MAX(MPH) MISC ----> # 38 150 # 49 150 ================================================================================ 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: MAY YEAR: 2025 LATITUDE: 39 52 N LONGITUDE: 104 40 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 55.0 TOTAL FOR MONTH: 1.03 1 = FOG OR MIST DPTR FM NORMAL: 1.5 DPTR FM NORMAL: 0.29 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 11 GRTST 24HR 0.88 ON 6- 7 TO 1/4 MILE OR LESS LOWEST: 33 ON 6 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.0 INCH 5 = HAIL GRTST 24HR 0.0 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 0 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: 3 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 108 CLEAR (SCALE 0-3) 4 DPTR FM NORMAL -23 PTCLDY (SCALE 4-7) 4 TOTAL FM JUL 1 5103 CLOUDY (SCALE 8-10) 3 DPTR FM NORMAL -578 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 4 HIGHEST SLP M ON M DPTR FM NORMAL 3 LOWEST SLP 29.59 ON 4 [REMARKS]