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Accidents and Incidents Report

Butte Climatic Report

CDUS45 KMSO 192230

CLIBTM



CLIMATE REPORT 

NATIONAL WEATHER SERVICE MISSOULA MT

430 PM MDT SAT SEP 19 2020



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



...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 19 2020...

VALID TODAY AS OF 0400 PM LOCAL TIME.



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)                                                          

 TODAY                                                               

  MAXIMUM         66   1246 AM  86    1956  67     -1       54       

                                      2009                           

  MINIMUM         50    118 PM  16    1983  34     16       44       

  AVERAGE         58                        51      7       49     



PRECIPITATION (IN)                                                    

  TODAY            0.30          0.68 1968   0.04   0.26     0.22     

  MONTH TO DATE    0.35                      0.67  -0.32     1.74     

  SINCE JAN 1      8.67                     10.55  -1.88    11.81     



SNOWFALL (IN)                                                              

  TODAY           MM                                                  

  MONTH TO DATE   MM                                                  

  SINCE SEP 1     MM                                                  

  SINCE JUL 1     MM                                                  

  SNOW DEPTH      MM                                                  



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            7                        14     -7       16        

  MONTH TO DATE  147                       208    -61      141        

  SINCE SEP 1    147                       208    -61      141        

  SINCE JUL 1    322                       436   -114      313        



 COOLING                                                              

  TODAY            0                         0      0        0        

  MONTH TO DATE    2                         0      2        4        

  SINCE SEP 1      2                         0      2        4        

  SINCE JAN 1     87                        79      8       84        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (250)       

  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (250)       

  AVERAGE WIND SPEED     4.2                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.8                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  HEAVY RAIN                                                          

  RAIN                                                                

  LIGHT RAIN                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    89           800 AM                                      

 LOWEST     29          1200 AM                                      

 AVERAGE    59                                                        



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





THE BUTTE MT CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   66        83      1918                      

 MINIMUM TEMPERATURE (F)   34         8      1983                      





SUNRISE AND SUNSET                                                    

SEPTEMBER 19 2020.....SUNRISE   714 AM MDT   SUNSET   732 PM MDT     

SEPTEMBER 20 2020.....SUNRISE   715 AM MDT   SUNSET   730 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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