Montana Department of Transportation

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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 220952

CLIHLN





CLIMATE REPORT

NATIONAL WEATHER SERVICE GREAT FALLS MT                              

248 AM MST FRI FEB 22 2019





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



...THE HELENA MT CLIMATE SUMMARY FOR FEBRUARY 21 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         19    326 PM  63    1961  40    -21       15       

  MINIMUM         -2   1159 PM -23    1910  18    -20      -13       

  AVERAGE          9                        29    -20        1      

                                                                     

PRECIPITATION (IN)                                                   

  YESTERDAY        0.00          0.49 1914   0.02  -0.02     0.00    

  MONTH TO DATE    1.20                      0.22   0.98     1.09    

  SINCE OCT 1      2.58                      2.15   0.43     4.76    

  SINCE JAN 1      1.67                      0.58   1.09     1.43    

                                                                     

SNOWFALL (IN)                                                        

  YESTERDAY        0.0           5.5  1914   0.2   -0.2      0.0     

  MONTH TO DATE   14.4                       3.9   10.5     12.5     

  SINCE DEC 1     24.9                      17.4    7.5     39.1     

  SINCE JUL 1     27.3                      26.2    1.1     47.9     

  SNOW DEPTH       7                                                 

                                                                     

DEGREE DAYS                                                          

 HEATING                                                             

  YESTERDAY       56                        36     20       64       

  MONTH TO DATE 1191                       800    391     1060       

  SINCE DEC 1   3563                      3436    127     3823       

  SINCE JUL 1   5446                      5318    128     5704       

                                                                     

 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    16   HIGHEST WIND DIRECTION    NW (300)      

  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (300)      

  AVERAGE WIND SPEED     6.1                                         



                                                                     

SKY COVER                                                            

  AVERAGE SKY COVER 0.4                                              



                                                                     

WEATHER CONDITIONS                                                  

 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        

  HAZE                                                               



                                                                     

RELATIVE HUMIDITY (PERCENT)                                          

 HIGHEST    80           200 AM                                     

 LOWEST     49           300 PMAVERAGE    65                                                       



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



                                                                     

THE HELENA MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                    

 MAXIMUM TEMPERATURE (F)   41        63      2002                    

 MINIMUM TEMPERATURE (F)   18       -29      1910                    



                                                                     

SUNRISE AND SUNSET                                                   

FEBRUARY 22 2019......SUNRISE   720 AM MST   SUNSET   603 PM MST   

FEBRUARY 23 2019......SUNRISE   718 AM MST   SUNSET   605 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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