Butte Climatic Report

CDUS45 KMSO 170839

CLIBTM



CLIMATE REPORT 

NATIONAL WEATHER SERVICE MISSOULA MT

139 AM MST WED DEC 17 2025



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



...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 16 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         49    335 AM  58    1980  30     19       30       

  MINIMUM         37   1154 PM -36    1964   7     30        6       

  AVERAGE         43                        18     25       18     



PRECIPITATION (IN)                                                    

  YESTERDAY        T             0.48 1927   0.02  -0.02     0.01     

  MONTH TO DATE    0.23                      0.25  -0.02     0.13     

  SINCE JAN 1     10.44                     12.53  -2.09     7.70     



SNOWFALL (IN)                                                              

  YESTERDAY       MM                                                  

  MONTH TO DATE    T                                                  

  SINCE DEC 1      T                                                  

  SINCE JUL 1      T                                                  

  SNOW DEPTH      MM                                                  



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       22                        47    -25       47        

  MONTH TO DATE  473                       725   -252      588        

  SINCE DEC 1    473                       725   -252      588        

  SINCE JUL 1   2344                      3180   -836     2667        



 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    23   HIGHEST WIND DIRECTION     W (250)       

  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (280)       

  AVERAGE WIND SPEED     9.4                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.5                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  LIGHT RAIN                                                          





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    79           700 AM                                      

 LOWEST     38           800 PM                                      

 AVERAGE    59                                                        



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THE BUTTE MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   30        53      1980                      

                                             2013                     

 MINIMUM TEMPERATURE (F)    7       -38      1964                      





SUNRISE AND SUNSET                                                    

DECEMBER 17 2025......SUNRISE   807 AM MST   SUNSET   446 PM MST     

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