355
CDUS45 KBOU 220740
CLIBDU
CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER
140 AM MDT MON SEP 22 2025
...............................
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 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 81 77 4 68
MINIMUM 52 46 6 48
AVERAGE 67 62 5 58
DEGREE DAYS
HEATING
YESTERDAY 0
MONTH TO DATE 28
COOLING
YESTERDAY 2
MONTH TO DATE 79
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WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
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) 76 MM MM
MINIMUM TEMPERATURE (F) 46 MM MM
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 649 AM MDT SUNSET 657 PM MDT
SEPTEMBER 23 2025.....SUNRISE 650 AM MDT SUNSET 656 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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