Montana Department of Transportation

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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 200750

CLIHLN





CLIMATE REPORT 

NATIONAL WEATHER SERVICE GREAT FALLS MT

150 AM MDT TUE AUG 20 2019



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



...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 19 2019...



CLIMATE NORMAL PERIOD 1981 TO 2010

CLIMATE RECORD PERIOD 1866 TO 2019





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         94    435 PM  98    2008  84     10       85       

  MINIMUM         51    550 AM  34    1995  52     -1       51       

  AVERAGE         73                        68      5       68     



PRECIPITATION (IN)                                                    

  YESTERDAY        T             0.87 1964   0.04  -0.04     0.00     

  MONTH TO DATE    1.38                      0.72   0.66     0.05     

  SINCE OCT 1     12.29                      9.64   2.65    14.23     

  SINCE JAN 1      T                         8.07  -8.07    10.90     



SNOWFALL (IN)                                                              

  YESTERDAY        0.0           0.0  1995   0.0    0.0      0.0      

                                      1999                           

  MONTH TO DATE    0.0                       0.1   -0.1     MM        

  SINCE JUN 1      T                         0.1   -0.1     MM        

  SINCE JUL 1      T                         0.1   -0.1     MM        

  SNOW DEPTH      MM                                                  



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        0                         1     -1        0        

  MONTH TO DATE   13                        13      0        0        

  SINCE JUN 1    113                       176    -63      128        

  SINCE JUL 1     26                        40    -14       17        



 COOLING                                                              

  YESTERDAY        8                         4      4        3        

  MONTH TO DATE  115                       109      6      147        

  SINCE JUN 1    295                       339    -44      381        

  SINCE JAN 1    298                       347    -49      386        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (280)       

  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)       

  AVERAGE WIND SPEED     4.5                                        





SKY COVER                                                             

  AVERAGE SKY COVER 0.0                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  LIGHT RAIN                                                          





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    71           500 AM                                      

 LOWEST     17           400 PM                                      

 AVERAGE    44                                                        



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THE HELENA MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   84        96      1953                      

                                             1967                     

 MINIMUM TEMPERATURE (F)   52        39      1916                      

                                             1956                     

                                             1995                     





SUNRISE AND SUNSET                                                    

AUGUST 20 2019........SUNRISE   632 AM MDT   SUNSET   829 PM MDT     

AUGUST 21 2019........SUNRISE   634 AM MDT   SUNSET   828 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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