345  
CDUS45 KBOU 200744  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
144 AM MDT THU AUG 20 2026  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 91 86 5 91  
MINIMUM 61 55 6 59  
AVERAGE 76 71 5 75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 1  
 
COOLING  
YESTERDAY 11  
MONTH TO DATE 230    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
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) 86 MM MM  
MINIMUM TEMPERATURE (F) 55 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 20 2026........SUNRISE 617 AM MDT SUNSET 750 PM MDT  
AUGUST 21 2026........SUNRISE 618 AM MDT SUNSET 749 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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