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CDUS45 KMSO 220840
CLIBTM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
140 AM MST TUE DEC 22 2020

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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 21 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         51R   324 PM  50    1940  29     22       45       
  MINIMUM         31    122 AM -43    1983   5     26       20       
  AVERAGE         41                        17     24       33     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.24 1988   0.02  -0.02     0.00     
  MONTH TO DATE    0.06                      0.35  -0.29      T       
  SINCE JAN 1     10.16                     12.61  -2.45    12.57     

SNOWFALL (IN)                                                              
  YESTERDAY       MM                                                  
  MONTH TO DATE   MM                                                  
  SINCE DEC 1     MM                                                  
  SINCE JUL 1     MM                                                  
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       24                        48    -24       32        
  MONTH TO DATE  814                       993   -179      878        
  SINCE DEC 1    814                       993   -179      878        
  SINCE JUL 1   3161                      3483   -322     3469        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1     87                        81      6       84        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (180)       
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     S (180)       
  AVERAGE WIND SPEED     6.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           900 AM                                      
 LOWEST     41           500 PM                                      
 AVERAGE    62                                                        

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   29        53      1933                      
 MINIMUM TEMPERATURE (F)    5       -44      1990                      


SUNRISE AND SUNSET                                                    
DECEMBER 22 2020......SUNRISE   810 AM MST   SUNSET   448 PM MST     
DECEMBER 23 2020......SUNRISE   810 AM MST   SUNSET   449 PM MST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$