Butte Climatic Report

CDUS45 KMSO 180841

CLIBTM



CLIMATE REPORT 

NATIONAL WEATHER SERVICE MISSOULA MT

141 AM MST THU DEC 18 2025



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



...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 17 2025...



CLIMATE NORMAL PERIOD 1991 TO 2020

CLIMATE RECORD PERIOD 1895 TO 2025





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         45    425 AM  53    1980  30     15       36       

                                      2013                           

  MINIMUM         27   1035 PM -38    1964   7     20       10       

  AVERAGE         36                        18     18       23     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.39R         0.20 1982   0.01   0.38     0.00     

  MONTH TO DATE    0.62                      0.26   0.36     0.13     

  SINCE JAN 1     10.83                     12.54  -1.71     7.70     



SNOWFALL (IN)                                                              

  YESTERDAY       MM                                                  

  MONTH TO DATE   MM                                                  

  SINCE DEC 1     MM                                                  

  SINCE JUL 1     MM                                                  

  SNOW DEPTH      MM                                                  



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       29                        47    -18       42        

  MONTH TO DATE  502                       772   -270      630        

  SINCE DEC 1    502                       772   -270      630        

  SINCE JUL 1   2373                      3227   -854     2709        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE DEC 1      0                         0      0        0        

  SINCE JAN 1     60                        83    -23      127        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    43   HIGHEST WIND DIRECTION     W (290)       

  HIGHEST GUST SPEED    74   HIGHEST GUST DIRECTION     W (280)       

  AVERAGE WIND SPEED    19.4                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.5                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  HEAVY RAIN                                                          

  RAIN                                                                

  LIGHT RAIN                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    89           900 AM                                      

 LOWEST     29           100 PM                                      

 AVERAGE    59                                                        



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THE BUTTE MT CLIMATE NORMALS FOR TODAYNORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   30        55      1979                      

 MINIMUM TEMPERATURE (F)    6       -32      1924                      





SUNRISE AND SUNSET                                                    

DECEMBER 18 2025......SUNRISE   807 AM MST   SUNSET   446 PM MST     

DECEMBER 19 2025......SUNRISE   808 AM MST   SUNSET   447 PM MST     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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