Montana Department of Transportation

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Accidents and Incidents Report

Butte Climatic Report

CDUS45 KMSO 180838

CLIBTM



CLIMATE REPORT 

NATIONAL WEATHER SERVICE MISSOULA MT

138 AM MST SAT JAN 18 2020



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



...THE BUTTE MT CLIMATE SUMMARY FOR JANUARY 17 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         35    246 AM  51    1920  32      3       40       

  MINIMUM         18    739 PM -34    1930   8     10        9       

  AVERAGE         27                        20      7       25     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.01          0.32 1953   0.01   0.00      T       

  MONTH TO DATE    0.06                      0.27  -0.21     0.02     

  SINCE OCT 1      0.71                      2.16  -1.45     1.64     

  SINCE JAN 1      0.06                      0.27  -0.21     0.02     



SNOWFALL (IN)                                                              

  YESTERDAY       MM                                                  

  MONTH TO DATE   MM                                                  

  SINCE DEC 1     MM                                                  

  SINCE JUL 1     MM                                                  

  SNOW DEPTH      MM                                                  



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       38                        45     -7       40        

  MONTH TO DATE  692                       779    -87      780        

  SINCE DEC 1   2043                      2253   -210     2198        

  SINCE JUL 1   4634                      4743   -109     4636        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE DEC 1      0                         0      0        0        

  SINCE JAN 1      0                         0      0        0        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (310)       

  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    NW (310)       

  AVERAGE WIND SPEED     8.0                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.6                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  SNOW                                                                

  LIGHT SNOW                                                          

  FOG                                                                 

  HAZE                                                                





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    85           600 AM                                      

 LOWEST     33           400 PM                                      

 AVERAGE    59                                                        



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





THE BUTTE MT CLIMATE NORMALS FOR TODAYNORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   32        50      1919                      

                                             2005                     

 MINIMUM TEMPERATURE (F)    8       -43      1963                      





SUNRISE AND SUNSET                                                    

JANUARY 18 2020.......SUNRISE   806 AM MST   SUNSET   515 PM MST     

JANUARY 19 2020.......SUNRISE   805 AM MST   SUNSET   516 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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