214  
CDUS45 KBOU 090733  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
133 AM MDT TUE JUN 09 2026  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR JUNE 8 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 75 80 -5 68  
MINIMUM 61 49 12 54  
AVERAGE 68 65 3 61  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 0  
 
COOLING  
YESTERDAY 3  
MONTH TO DATE 45    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
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) 81 MM MM  
MINIMUM TEMPERATURE (F) 50 MM MM  
 
SUNRISE AND SUNSET  
JUNE 9 2026..........SUNRISE 532 AM MDT SUNSET 829 PM MDT  
JUNE 10 2026..........SUNRISE 532 AM MDT SUNSET 829 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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