Montana Department of Transportation

Malcolm “Mack” Long, Director

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Main Content

Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 200744

CLIHVR



CLIMATE REPORT 

NATIONAL WEATHER SERVICE GREAT FALLS MT

144 AM MDT MON SEP 20 2021



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



...THE HAVRE MT CLIMATE SUMMARY FOR SEPTEMBER 19 2021...



CLIMATE NORMAL PERIOD 1991 TO 2020

CLIMATE RECORD PERIOD 1880 TO 2021





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         66    316 PM  96    2009  72     -6       73       

  MINIMUM         47   1159 PM  24    1991  42      5       44       

  AVERAGE         57                        57      0       59     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00          1.88 1925   0.03  -0.03     0.10     

  MONTH TO DATE    0.05                      0.67  -0.62     0.97     

  SINCE OCT 1      7.42                     11.43  -4.01     9.30     

  SINCE JAN 1      5.85                      9.79  -3.94     7.15     



SNOWFALL (IN)                                                              

  YESTERDAY        0.0           T    1983   0.0    0.0      0.0      

                                      1998                           

  MONTH TO DATE    0.0                       0.1   -0.1      0.0      

  SINCE SEP 1      0.0                       0.1   -0.1      0.0      

  SINCE JUL 1      0.0                       0.1   -0.1      0.0      

  SNOW DEPTH       0                                                 



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        8                         9     -1        6        

  MONTH TO DATE   87                       119    -32      120        

  SINCE SEP 1     87                       119    -32      120        

  SINCE JUL 1    150                       194    -44      160        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE   23                        20      3       21        

  SINCE SEP 1     23                        20      3       21        

  SINCE JAN 1    654                       400    254      431        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (260)       

  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (260)       

  AVERAGE WIND SPEED     9.8                                        





SKY COVER                                                             

  AVERAGE SKY COVER 0.4                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    61          1000 PM                                      

 LOWEST     29           200 PM                                      

 AVERAGE    45                                                        



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





THE HAVRE MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   71        96      1922                      

 MINIMUM TEMPERATURE (F)   41        24      1995                      





SUNRISE AND SUNSET                                                    

SEPTEMBER 20 2021.....SUNRISE   703 AM MDT   SUNSET   720 PM MDT     

SEPTEMBER 21 2021.....SUNRISE   705 AM MDT   SUNSET   718 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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