182
CDUS45 KBOU 180730
CLIBDU
CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER
1230 AM MST THU DEC 18 2025
...............................
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED NORMAL DEPARTURE LAST
VALUE VALUE FROM YEAR
NORMAL
............................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 46 22 50
MINIMUM 39 21 18 28
AVERAGE 54 33 21 39
DEGREE DAYS
HEATING
YESTERDAY 11
MONTH TO DATE 376
COOLING
YESTERDAY 0
MONTH TO DATE 0
............................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 52 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 75 HIGHEST GUST DIRECTION W (250)
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
......................................................
THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 MM MM
MINIMUM TEMPERATURE (F) 20 MM MM
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 718 AM MST SUNSET 438 PM MST
DECEMBER 19 2025......SUNRISE 718 AM MST SUNSET 438 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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