WFO Monthly/Daily Climate Data
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
057
CXUS55 KBOU 220900
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
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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
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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
17 77 31 54 6 11 0 T T 0 18.0 41 30 M M 5 1 53 30
18 36 29 33 -15 32 0 0.15 0.5 T 10.2 20 40 M M 10 1 25 30
19 48 22 35 -13 30 0 T T T 7.9 20 130 M M 7 26 120
20 63 25 44 -4 21 0 0.00 0.0 0 9.8 22 290 M M 4 28 300
21 74 40 57 9 8 0 0.00 0.0 0 14.4 32 270 M M 3 42 280
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SM 1306 697 363 4 0.44 2.2 211.4 M 119
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AV 62.2 33.2 10.1 FASTST M M 6 MAX(MPH)
MISC ----> 41 30 53 30
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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: 47.7 TOTAL FOR MONTH: 0.44 1 = FOG OR MIST
DPTR FM NORMAL: 0.8 DPTR FM NORMAL: -0.61 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 12 GRTST 24HR 0.15 ON 18-18 TO 1/4 MILE OR LESS
LOWEST: 22 ON 19 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 2.2 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: 5
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 12 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 363 CLEAR (SCALE 0-3) 4
DPTR FM NORMAL -17 PTCLDY (SCALE 4-7) 15
TOTAL FM JUL 1 4894 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -519
[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]