WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS55 KBOU 110900
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: BOULDER AIRPORT
MONTH: MAY
YEAR: 2026
LATITUDE: 40 2 N
LONGITUDE: 105 14 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 32 48 -4 17 0 M M M 3.3 7 60 M M 1 M M
2 72 39 56 4 9 0 M M M 4.7 10 60 M M 0 M M
3 75 54 65 12 0 0 M M M 8.7 17 270 M M 1 36 330
4 73 45 59 6 6 0 M M M 6.3 21 270 M M 3 26 70
5 46 32 39 -14 26 0 M M M 4.0 13 10 M M 10 20 10
6 41 32 37 -17 28 0 M M M 2.4 8 160 M M 6 M M
7 72 43 58 4 7 0 M M M 7.9 16 260 M M 3 26 220
8 70 41 56 2 9 0 M M M 3.5 8 70 M M 2 M M
9 77 48 63 8 2 0 M M M 7.6 23 360 M M 2 44 60
10 68 46 57 2 8 0 M M M 3.1 7 70 M M 3 M M
================================================================================
SM 657 412 112 0 M M 51.5 M 31
================================================================================
AV 65.7 41.2 5.2 FASTST M M 3 MAX(MPH)
MISC ----> 23 360 44 60
================================================================================
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: MAY
YEAR: 2026
LATITUDE: 40 2 N
LONGITUDE: 105 14 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 53.5 TOTAL FOR MONTH: M 1 = FOG OR MIST
DPTR FM NORMAL: -0.1 DPTR FM NORMAL: M 2 = FOG REDUCING VISIBILITY
HIGHEST: 77 ON 9 GRTST 24HR M ON M TO 1/4 MILE OR LESS
LOWEST: 32 ON 6, 5 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: 0 0.01 INCH OR MORE: 0
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0
MIN 32 OR BELOW: 3 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 112 CLEAR (SCALE 0-3) 8
DPTR FM NORMAL -3 PTCLDY (SCALE 4-7) 1
TOTAL FM JUL 1 3725 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL -1066
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 46 HIGHEST SLP M ON M
DPTR FM NORMAL 46 LOWEST SLP M ON M
[REMARKS]