Montana Department of Transportation

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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 211008

CLIHLN





CLIMATE REPORT

NATIONAL WEATHER SERVICE GREAT FALLS MT                              

407 AM MDT SUN APR 21 2019





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



...THE HELENA MT CLIMATE SUMMARY FOR APRIL 20 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         56    121 AM  85    1980  59     -3       65       

  MINIMUM         42   1159 PM   3    1927  33      9       33       

  AVERAGE         49                        46      3       49      

                                                                     

PRECIPITATION (IN)                                                   

  YESTERDAY        0.35          0.54 1988   0.03   0.32     0.00    

  MONTH TO DATE    1.08                      0.61   0.47     1.39    

  SINCE OCT 1      5.76                      3.43   2.33     7.33    

  SINCE JAN 1      4.85                      1.86   2.99     4.00    

                                                                     

SNOWFALL (IN)                                                        

  YESTERDAY        0.0           2.2  1932   0.1   -0.1      0.0     

  MONTH TO DATE    T                         2.7   -2.7      6.1     

  SINCE MAR 1      9.2                       8.9    0.3     16.8     

  SINCE JUL 1     48.9                      36.2   12.7     64.7     

  SNOW DEPTH       0                                                 

                                                                     

DEGREE DAYS                                                          

 HEATING                                                             

  YESTERDAY       16                        19     -3       16       

  MONTH TO DATE  376                       429    -53      528       

  SINCE MAR 1   1729                      1320    409     1521       

  SINCE JUL 1   7614                      6881    733     7528       

                                                                     

 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    16   HIGHEST WIND DIRECTION    NW (330)      

  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     N (340)      

  AVERAGE WIND SPEED     7.8                                         



                                                                     

SKY COVER                                                            

  AVERAGE SKY COVER 0.9                                              



                                                                     

WEATHER CONDITIONS                                                  

 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        

  RAIN                                                               

  LIGHT RAIN                                                         

  FOG                                                                



                                                                     

RELATIVE HUMIDITY (PERCENT)HIGHEST    93           100 PM                                     

 LOWEST     63          1200 AM                                     

 AVERAGE    78                                                       



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



                                                                     

THE HELENA MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                    

 MAXIMUM TEMPERATURE (F)   59        82      1942                    

                                             1906                    

 MINIMUM TEMPERATURE (F)   33         6      2008                    



                                                                     

SUNRISE AND SUNSET                                                   

APRIL 21 2019.........SUNRISE   630 AM MDT   SUNSET   824 PM MDT   

APRIL 22 2019.........SUNRISE   629 AM MDT   SUNSET   825 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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