WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
059
CXUS55 KBOU 220900
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: BOULDER AIRPORT
MONTH: APRIL
YEAR: 2025
LATITUDE: 40 2 N
LONGITUDE: 105 14 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 54 34 44 M 21 0 M M M 5.0 13 80 M M 4 21 80
2 48 34 41 M 24 0 M M M 8.0 22 250 M M 2 38 250
3 43 34 39 M 26 0 M M M 4.1 10 110 M M 7 22 110
4 39 28 34 M 31 0 M M M 6.4 16 20 M M 10 22 20
5 43 28 36 M 29 0 M M M 2.2 7 230 M M 6 M M
6 59 28 44 M 21 0 M M M 2.8 8 60 M M 3 16 60
7 68 36 52 M 13 0 M M M 3.4 12 140 M M 0 16 140
8 73 46 60 M 5 0 M M M 5.0 12 220 M M 1 18 210
9 72 48 60 M 5 0 M M M 8.2 21 280 M M 0 30 270
10 70 39 55 M 10 0 M M M 2.8 6 100 M M 0 M M
11 82 41 62 M 3 0 M M M 4.5 13 140 M M 0 21 140
12 86 54 70 M 0 5 M M M 5.9 20 260 M M 0 30 260
13 68 36 52 M 13 0 M M M 7.9 20 20 M M 4 26 260
14 54 32 43 M 22 0 M M M 3.2 9 330 M M 5 M M
15 70 34 52 M 13 0 M M M 2.6 6 210 M M 0 M M
16 79 50 65 M 0 0 M M M 7.8 23 270 M M 1 36 300
17 70 30 50 M 15 0 M M M 8.7 17 10 M M 4 28 360
18 32 30 31 M 34 0 M M M 3.9 9 30 M M 10 M M
19 46 30 38 M 27 0 M M M 1.6 6 130 M M 6 1 M M
20 64 32 48 M 17 0 M M M 5.8 22 260 M M 1 28 300
21 70 39 55 M 10 0 M M M 9.2 24 220 M M 1 31 220
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SM 1290 763 339 5 M M 109.0 M 65
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AV 61.4 36.3 5.2 FASTST M M 3 MAX(MPH)
MISC ----> 24 220 38 250
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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: BOULDER AIRPORT
MONTH: APRIL
YEAR: 2025
LATITUDE: 40 2 N
LONGITUDE: 105 14 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 48.9 TOTAL FOR MONTH: M 1 = FOG OR MIST
DPTR FM NORMAL: 0.0 DPTR FM NORMAL: M 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 12 GRTST 24HR M ON M TO 1/4 MILE OR LESS
LOWEST: 28 ON 6, 4 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 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: 0
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0
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. 339 CLEAR (SCALE 0-3) 12
DPTR FM NORMAL M PTCLDY (SCALE 4-7) 7
TOTAL FM JUL 1 4567 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL M
[CDD (BASE 65) ]
TOTAL THIS MO. 5
DPTR FM NORMAL M [PRESSURE DATA]
TOTAL FM JAN 1 5 HIGHEST SLP M ON M
DPTR FM NORMAL M LOWEST SLP M ON M
[REMARKS]