318  
CDUS45 KBOU 310731  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
131 AM MDT SUN AUG 31 2025  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 75 84 -9 86  
MINIMUM 55 53 2 54  
AVERAGE 65 69 -4 70  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 1  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 272    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (60)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 MM MM  
MINIMUM TEMPERATURE (F) 53 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 628 AM MDT SUNSET 733 PM MDT  
SEPTEMBER 1 2025.....SUNRISE 629 AM MDT SUNSET 732 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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