823  
CDUS45 KBOU 310737  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
137 AM MDT SAT MAY 31 2025  
   
...............................
 
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR MAY 30 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME  
VALUE (LST)    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 100 PM  
MINIMUM 46 500 AM  
AVERAGE 64  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1  
MONTH TO DATE 228  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 9    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (240)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE BOULDER AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) MM MM MM  
MINIMUM TEMPERATURE (F) MM MM MM  
 
SUNRISE AND SUNSET  
MAY 31 2025...........SUNRISE 534 AM MDT SUNSET 823 PM MDT  
JUNE 1 2025..........SUNRISE 534 AM MDT SUNSET 824 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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