738  
CDUS45 KBOU 210734  
CLIBDU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
134 AM MDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE BOULDER AIRPORT CLIMATE SUMMARY FOR MAY 20 2023
 
 
CLIMATE NORMAL PERIOD 9999 TO 9999  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME  
VALUE (LST)    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 100 PM  
MINIMUM 48 500 AM  
AVERAGE 57  
 
SNOWFALL (IN)  
YESTERDAY MM  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8  
MONTH TO DATE 167  
 
COOLING  
YESTERDAY 0  
MONTH TO DATE 0    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
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 21 2023...........SUNRISE 541 AM MDT SUNSET 815 PM MDT  
MAY 22 2023...........SUNRISE 540 AM MDT SUNSET 816 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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