093  
CDUS45 KBOU 280743  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
143 AM MDT THU MAY 28 2026  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR MAY 27 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 70 76 -6 70  
MINIMUM 54 46 8 46  
AVERAGE 62 61 1 58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3  
MONTH TO DATE 219  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 35    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 MM MM  
MINIMUM TEMPERATURE (F) 46 MM MM  
 
SUNRISE AND SUNSET  
MAY 28 2026...........SUNRISE 536 AM MDT SUNSET 821 PM MDT  
MAY 29 2026...........SUNRISE 535 AM MDT SUNSET 822 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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