Climatological Report (Daily)
Issued by NWS
Issued by NWS
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233
CDUS45 KBOU 120745
CLIBDU
CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER
145 AM MDT FRI SEP 12 2025
...................................
...THE BOULDER AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 90 81 9 86
MINIMUM 61 50 11 57
AVERAGE 76 65 11 72
DEGREE DAYS
HEATING
YESTERDAY 0
MONTH TO DATE 11
COOLING
YESTERDAY 11
MONTH TO DATE 62
................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (100)
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 MM MM
MINIMUM TEMPERATURE (F) 50 MM MM
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 639 AM MDT SUNSET 714 PM MDT
SEPTEMBER 13 2025.....SUNRISE 640 AM MDT SUNSET 712 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$