Montana Department of Transportation

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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 140901

CLIHLN





CLIMATE REPORT

NATIONAL WEATHER SERVICE GREAT FALLS MT                              

200 AM MST WED NOV 14 2018





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...THE HELENA MT CLIMATE SUMMARY FOR NOVEMBER 13 2018...



CLIMATE NORMAL PERIOD 1981 TO 2010

CLIMATE RECORD PERIOD 1866 TO 2018





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL             

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

TEMPERATURE (F)                                                     

 YESTERDAY                                                           

  MAXIMUM         43    304 PM  71    1999  44     -1       52       

  MINIMUM         17    529 AM -35    1959  23     -6       18       

  AVERAGE         30                        34     -4       35      

                                                                     

PRECIPITATION (IN)                                                   

  YESTERDAY        0.00          0.36 1930   0.02  -0.02      T      

  MONTH TO DATE    0.13                      0.21  -0.08     0.84    

  SINCE OCT 1      0.66                      0.89  -0.23     1.28    

  SINCE JAN 1     12.67                     10.54   2.13     8.47    

                                                                     

SNOWFALL (IN)                                                        

  YESTERDAY        0.0           3.0  1930   0.2   -0.2      0.0     

  MONTH TO DATE    1.3                       1.6   -0.3      7.5     

  SINCE SEP 1      1.7                       5.3   -3.6      8.8     

  SINCE JUL 1      1.7                       5.6   -3.9      8.8     

  SNOW DEPTH       0                                                 

                                                                     

DEGREE DAYS                                                          

 HEATING                                                             

  YESTERDAY       35                        31      4       30       

  MONTH TO DATE  404                       370     34      542       

  SINCE SEP 1   1269                      1209     60     1426       

  SINCE JUL 1   1340                      1278     62     1428       

                                                                     

 COOLING                                                             

  YESTERDAY        0                         0      0        0       

  MONTH TO DATE    0                         0      0        0       

  SINCE SEP 1     18                        23     -5       66       

  SINCE JAN 1    410                       406      4      702       

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





WIND (MPH)                                                           

  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (260)      

  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION     W (260)      

  AVERAGE WIND SPEED     2.0                                         



                                                                     

SKY COVER                                                            

  AVERAGE SKY COVER 0.0                                              



                                                                     

WEATHER CONDITIONS                                                  

 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        

  NO SIGNIFICANT WEATHER WAS OBSERVED.                               



                                                                     

RELATIVE HUMIDITY (PERCENT)                                          

 HIGHEST    84           600 AM                                     

 LOWEST     36           300 PMAVERAGE    60                                                       



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THE HELENA MT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                    

 MAXIMUM TEMPERATURE (F)   44        66      2016                    

 MINIMUM TEMPERATURE (F)   23       -20      1955                    



                                                                     

SUNRISE AND SUNSET                                                   

NOVEMBER 14 2018......SUNRISE   729 AM MST   SUNSET   456 PM MST   

NOVEMBER 15 2018......SUNRISE   730 AM MST   SUNSET   454 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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