043  
CDUS45 KBOU 210731  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
131 AM MDT SUN JUN 21 2026  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR JUNE 20 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 86 84 2 100  
MINIMUM 57 52 5 59  
AVERAGE 72 68 4 80  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 6  
 
COOLING  
YESTERDAY 7  
MONTH TO DATE 105    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (280)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
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  
JUNE 21 2026..........SUNRISE 532 AM MDT SUNSET 833 PM MDT  
JUNE 22 2026..........SUNRISE 532 AM MDT SUNSET 834 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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