CDUS45 KBOU 180733
CLIBDU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE DENVER/BOULDER
133 AM MDT MON MAY 18 2026

...................................

...THE BOULDER AIRPORT CLIMATE SUMMARY FOR MAY 17 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         64     72     -8       70                           
  MINIMUM         43     43      0       46                           
  AVERAGE         54     57     -3       58                        

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       11                                                  
  MONTH TO DATE  123                                                  

 COOLING                                                              
  YESTERDAY        0                                                  
  MONTH TO DATE   28                                                  
................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NE (50)        
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (350)       
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     N (340)       


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  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)   72        MM        MM                      
 MINIMUM TEMPERATURE (F)   43        MM        MM                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   543 AM MDT   SUNSET   812 PM MDT     
MAY 19 2026...........SUNRISE   542 AM MDT   SUNSET   813 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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