National Weather Service Text Product
AFOS product CF6BDU
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CF6BDU
Product Timestamp: 2025-12-05 10:00 UTC
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567
CXUS55 KBOU 051000
CF6BDU
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: BOULDER AIRPORT
MONTH: DECEMBER
YEAR: 2025
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 45 14 30 -6 35 0 M M M 3.8 17 270 M M 0 23 270
2 50 23 37 1 28 0 M M M 3.3 12 160 M M 3 18 160
3 34 19 27 -8 38 0 M M M 3.0 7 80 M M 10 1 M M
4 41 10 26 -9 39 0 M M M 2.1 10 270 M M 0 1 17 270
================================================================================
SM 170 66 140 0 M M 12.2 M 13
================================================================================
AV 42.5 16.5 3.0 FASTST M M 3 MAX(MPH)
MISC ----> 17 270 23 270
================================================================================
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: DECEMBER
YEAR: 2025
LATITUDE: 40 2 N
LONGITUDE: 105 14 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 29.5 TOTAL FOR MONTH: M 1 = FOG OR MIST
DPTR FM NORMAL: -6.0 DPTR FM NORMAL: M 2 = FOG REDUCING VISIBILITY
HIGHEST: 50 ON 2 GRTST 24HR M ON M TO 1/4 MILE OR LESS
LOWEST: 10 ON 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: 0 0.01 INCH OR MORE: 0
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 0
MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 140 CLEAR (SCALE 0-3) 3
DPTR FM NORMAL 23 PTCLDY (SCALE 4-7) 0
TOTAL FM JUL 1 1038 CLOUDY (SCALE 8-10) 1
DPTR FM NORMAL 164
[CDD (BASE 65) ]
TOTAL THIS MO. 0
DPTR FM NORMAL 0 [PRESSURE DATA]
TOTAL FM JAN 1 878 HIGHEST SLP M ON M
DPTR FM NORMAL 878 LOWEST SLP M ON M
[REMARKS]