880
CDUS45 KBOU 170914
CLIBDU
CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER
314 AM MDT WED SEP 17 2025
...............................
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 77 79 -2 86
MINIMUM 50 48 2 52
AVERAGE 64 64 0 69
DEGREE DAYS
HEATING
YESTERDAY 1
MONTH TO DATE 14
COOLING
YESTERDAY 0
MONTH TO DATE 73
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WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (60)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
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THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 MM MM
MINIMUM TEMPERATURE (F) 48 MM MM
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 644 AM MDT SUNSET 706 PM MDT
SEPTEMBER 18 2025.....SUNRISE 645 AM MDT SUNSET 704 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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