Montana Department of Transportation

Malcolm “Mack” Long, Director

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Main Content

Accidents and Incidents Report

Miles City Climatic Report

CDUS45 KBYZ 200940

CLIMLS



CLIMATE REPORT 

NATIONAL WEATHER SERVICE BILLINGS MT

340 AM MDT MON SEP 20 2021



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



...THE MILES CITY MT CLIMATE SUMMARY FOR SEPTEMBER 19 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         71   1232 AM  99    1937  74     -3       87       

  MINIMUM         51   1159 PM  29    1965  46      5       51       

  AVERAGE         61                        60      1       69     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.26          0.96 1985   0.04   0.22      T       

  MONTH TO DATE    0.49                      0.65  -0.16     0.63     

  SINCE OCT 1      7.91                     12.46  -4.55    10.09     

  SINCE JAN 1      6.76                     10.94  -4.18     9.62     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        4                         6     -2        0        

  MONTH TO DATE   57                        80    -23       95        

  SINCE SEP 1     57                        80    -23       95        

  SINCE JUL 1     80                       114    -34      107        



 COOLING                                                              

  YESTERDAY        0                         1     -1        4        

  MONTH TO DATE   40                        55    -15       34        

  SINCE SEP 1     40                        55    -15       34        

  SINCE JAN 1   1018                       718    300      716        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (290)       

  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (300)       

  AVERAGE WIND SPEED     8.0                                        





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    96           900 PM                                      

 LOWEST     30          1100 AM                                      

 AVERAGE    63                                                        



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





THE MILES CITY MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   74        95      1937                      

 MINIMUM TEMPERATURE (F)   45        28      1983                      





SUNRISE AND SUNSET                                                    

SEPTEMBER 20 2021.....SUNRISE   648 AM MDT   SUNSET   704 PM MDT     

SEPTEMBER 21 2021.....SUNRISE   650 AM MDT   SUNSET   702 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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