013  
CDUS45 KBOU 220857  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
157 AM MST SAT NOV 22 2025  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR NOVEMBER 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 48 52 -4 54  
MINIMUM 36 26 10 28  
AVERAGE 42 39 3 41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23  
MONTH TO DATE 279  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 0    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 MM MM  
MINIMUM TEMPERATURE (F) 26 MM MM  
 
SUNRISE AND SUNSET  
NOVEMBER 22 2025......SUNRISE 654 AM MST SUNSET 439 PM MST  
NOVEMBER 23 2025......SUNRISE 656 AM MST SUNSET 439 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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