CDUS45 KBOI 200121
CLIBOI

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOISE ID
721 PM MDT TUE MAY 19 2026

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

...THE BOISE ID CLIMATE SUMMARY FOR MAY 19 2026...
VALID TODAY AS OF 0700 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1875 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         71    435 PM  90    1993  73     -2       65       
                                      2006                           
                                      2023                           
  MINIMUM         40    431 AM  28    1960  49     -9       35       
                                      1989                           
  AVERAGE         56                        61     -5       50     

PRECIPITATION (IN)                                                    
  TODAY            0.00          0.75 1894   0.05  -0.05     0.04     
  MONTH TO DATE    T                         0.90  -0.90     0.81     
  SINCE OCT 1     10.90                      9.40   1.50    10.72     
  SINCE JAN 1      6.55                      5.87   0.68     6.31     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            9                         6      3       15        
  MONTH TO DATE   72                       147    -75      129        
  SINCE MAR 1    918                      1185   -267     1062        
  SINCE JUL 1   4163                      5205  -1042     4861        

 COOLING                                                              
  TODAY            0                         2     -2        0        
  MONTH TO DATE   23                        18      5       26        
  SINCE MAR 1     24                        21      3       26        
  SINCE JAN 1     24                        21      3       26        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (330)       
  AVERAGE WIND SPEED     6.6                                        


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    62           400 AM                                      
 LOWEST     17           600 PM                                      
 AVERAGE    40                                                        

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


THE BOISE ID CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   74        94      1958                      
 MINIMUM TEMPERATURE (F)   49        29      1898                      


SUNRISE AND SUNSET                                                    
MAY 19 2026...........SUNRISE   616 AM MDT   SUNSET   907 PM MDT     
MAY 20 2026...........SUNRISE   615 AM MDT   SUNSET   908 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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