Montana Department of Transportation

Malcolm “Mack” Long, Director

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Main Content

Accidents and Incidents Report

Miles City Climatic Report

CDUS45 KBYZ 100931

CLIMLS



CLIMATE REPORT 

NATIONAL WEATHER SERVICE BILLINGS MT

331 AM MDT MON MAY 10 2021



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



...THE MILES CITY MT CLIMATE SUMMARY FOR MAY 9 2021...



CLIMATE NORMAL PERIOD 1991 TO 2020

CLIMATE RECORD PERIOD 1937 TO 2021





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         53    343 PM  89    1987  66    -13       57       

  MINIMUM         39   1159 PM  26    2019  40     -1       37       

  AVERAGE         46                        53     -7       47     



PRECIPITATION (IN)                                                    

  YESTERDAY        T             1.51 1953   0.08  -0.08     0.01     

  MONTH TO DATE    0.29                      0.66  -0.37     1.10     

  SINCE OCT 1      2.55                      4.81  -2.26     3.09     

  SINCE JAN 1      1.40                      3.29  -1.89     2.62     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       19                        12      7       18        

  MONTH TO DATE  132                       123      9      128        

  SINCE MAR 1   1543                      1650   -107     1730        

  SINCE JUL 1   6948                      7297   -349     7278        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE MAR 1      2                         1      1        0        

  SINCE JAN 1      2                         1      1        0        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (60)        

  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (50)        

  AVERAGE WIND SPEED     8.7                                        





SKY COVER                                                             

  POSSIBLE SUNSHINE  MM                                                 

  AVERAGE SKY COVER 0.8                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  LIGHT RAIN                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    89           200 AM                                      

 LOWEST     54           300 PM                                      

 AVERAGE    72                                                        



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





THE MILES CITY MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   66        89      1961                      

 MINIMUM TEMPERATURE (F)   41        23      1979                      





SUNRISE AND SUNSET                                                    

MAY 10 2021...........SUNRISE   536 AM MDT   SUNSET   825 PM MDT     

MAY 11 2021...........SUNRISE   535 AM MDT   SUNSET   826 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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