Montana Department of Transportation

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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 280904

CLIHLN



CLIMATE REPORT 

NATIONAL WEATHER SERVICE GREAT FALLS MT

204 AM MST TUE JAN 28 2020



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



...THE HELENA MT CLIMATE SUMMARY FOR JANUARY 27 2020...



CLIMATE NORMAL PERIOD 1981 TO 2010

CLIMATE RECORD PERIOD 1866 TO 2020





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 YESTERDAY                                                           

  MAXIMUM         47    223 PM  56    1983  35     12       50       

  MINIMUM         27   1143 PM -37    1957  15     12       28       

  AVERAGE         37                        25     12       39     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00          0.62 1893   0.01  -0.01     0.10     

  MONTH TO DATE    0.10                      0.32  -0.22     0.47     

  SINCE OCT 1      1.95                      1.89   0.06     1.38     

  SINCE JAN 1      0.10                      0.32  -0.22     0.47     



SNOWFALL (IN)                                                              

  YESTERDAY        0.0           6.2  1893   0.2   -0.2      1.0      

  MONTH TO DATE    0.6                       5.4   -4.8      8.5      

  SINCE DEC 1      1.4                      12.7  -11.3     10.5      

  SINCE JUL 1     20.7                      21.5   -0.8     12.9      

  SNOW DEPTH       0                                                 



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       28                        40    -12       26        

  MONTH TO DATE  978                      1137   -159     1043        

  SINCE DEC 1   2055                      2476   -421     2181        

  SINCE JUL 1   4125                      4358   -233     4064        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE DEC 1      0                         0      0        0        

  SINCE JAN 1      0                         0      0        0        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)       

  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)       

  AVERAGE WIND SPEED    10.3                                        





SKY COVER                                                             

  AVERAGE SKY COVER 0.5                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    64          1200 AM                                      

 LOWEST     36           200 PM                                      

 AVERAGE    50                                                        



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





THE HELENA MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   35        56      1931                      

 MINIMUM TEMPERATURE (F)   15       -32      1929                      





SUNRISE AND SUNSET                                                    

JANUARY 28 2020.......SUNRISE   757 AM MST   SUNSET   525 PM MST     

JANUARY 29 2020.......SUNRISE   756 AM MST   SUNSET   527 PM MST     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









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