027  
CDUS45 KBOU 240732  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
132 AM MDT THU JUL 24 2025  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR JULY 23 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 88 -7 88  
MINIMUM 63 58 5 59  
AVERAGE 72 73 -1 74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 0  
 
COOLING  
YESTERDAY 7  
MONTH TO DATE 252    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
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) 88 MM MM  
MINIMUM TEMPERATURE (F) 58 MM MM  
 
SUNRISE AND SUNSET  
JULY 24 2025..........SUNRISE 552 AM MDT SUNSET 822 PM MDT  
JULY 25 2025..........SUNRISE 553 AM MDT SUNSET 821 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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