Montana Department of Transportation

Malcolm “Mack” Long, Director

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Main Content

Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 100739

CLIHVR



CLIMATE REPORT 

NATIONAL WEATHER SERVICE GREAT FALLS MT

139 AM MDT MON MAY 10 2021



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...THE HAVRE MT CLIMATE SUMMARY FOR MAY 9 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         48    443 PM  87    1987  66    -18       60       

  MINIMUM         36   1136 PM  26    2015  37     -1       30       

                                      2019                           

  AVERAGE         42                        52    -10       45     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.06          2.10 1983   0.04   0.02      T       

  MONTH TO DATE    1.05                      0.38   0.67     0.09     

  SINCE OCT 1      4.05                      4.34  -0.29     3.96     

  SINCE JAN 1      2.48                      2.70  -0.22     1.81     



SNOWFALL (IN)                                                              

  YESTERDAY        T             5.2  1986   0.0    0.0      0.0      

  MONTH TO DATE    T                         0.2   -0.2      0.0      

  SINCE MAR 1      4.4                       8.1   -3.7     23.4      

  SINCE JUL 1     34.3                      40.8   -6.5     74.7      

  SNOW DEPTH       0                                                 



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       23                        14      9       20        

  MONTH TO DATE  147                       135     12      134        

  SINCE MAR 1   1585                      1789   -204     1995        

  SINCE JUL 1   7321                      7827   -506     8016        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE MAR 1      0                         0      0        0        

  SINCE JAN 1      0                         0      0        0        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)        

  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (50)        

  AVERAGE WIND SPEED    11.5                                        





SKY COVER                                                             

  AVERAGE SKY COVER 0.9                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  LIGHT RAIN                                                          

  LIGHT SNOW                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    97           700 AM                                      

 LOWEST     70           600 PM                                      

 AVERAGE    84                                                        



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





THE HAVRE MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   6691      1906                      

 MINIMUM TEMPERATURE (F)   38        19      1946                      





SUNRISE AND SUNSET                                                    

MAY 10 2021...........SUNRISE   545 AM MDT   SUNSET   847 PM MDT     

MAY 11 2021...........SUNRISE   543 AM MDT   SUNSET   848 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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