521  
CDUS45 KBOU 200730  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DENVER/BOULDER  
130 AM MDT WED AUG 20 2025  
   
...............................  
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2025  
 
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 88  
MINIMUM 59 55 4 64  
AVERAGE 75 71 4 76  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0  
MONTH TO DATE 0  
 
COOLING  
YESTERDAY 10  
MONTH TO DATE 220    
............................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (70)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
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 2025........SUNRISE 618 AM MDT SUNSET 750 PM MDT  
AUGUST 21 2025........SUNRISE 619 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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