185
CDUS45 KBOU 180730
CLIAPA
CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER
1230 AM MST THU DEC 18 2025
...............................
..THE CENTENNIAL CO 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 69 43 26 52
MINIMUM 39 18 21 24
AVERAGE 54 31 23 38
PRECIPITATION (IN)
YESTERDAY T MM 0.00
MONTH TO DATE 0.27 0.00 0.03
SINCE OCT 1 0.64 1.53 1.88
SINCE JAN 1 12.64 14.67 13.94
DEGREE DAYS
HEATING
YESTERDAY 11
MONTH TO DATE 412
COOLING
YESTERDAY 0
MONTH TO DATE 0
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WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION NW (310)
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65
LOWEST 13
AVERAGE 39
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THE CENTENNIAL CO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 MM MM
MINIMUM TEMPERATURE (F) 18 MM MM
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 715 AM MST SUNSET 438 PM MST
DECEMBER 19 2025......SUNRISE 715 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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