410  
CDUS45 KBOU 260737  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
137 AM MDT SAT SEP 26 2026  
   
...............................
 
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 25 2026
 
 
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 72 75 -3 79  
MINIMUM 54 45 9 46  
AVERAGE 63 60 3 63  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2  
MONTH TO DATE 3  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 155    
............................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
 
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) 75 MM MM  
MINIMUM TEMPERATURE (F) 44 MM MM  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2026.....SUNRISE 652 AM MDT SUNSET 651 PM MDT  
SEPTEMBER 27 2026.....SUNRISE 653 AM MDT SUNSET 649 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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