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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 171200
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
500 AM MST FRI NOV 17 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR NOVEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         48    817 AM  66    1953  43      5       45       
  MINIMUM         26    341 AM -39    1959  22      4       28       
  AVERAGE         37                        32      5       37      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.35 2010   0.02  -0.01     0.00    
  MONTH TO DATE    0.85                      0.26   0.59     0.01    
  SINCE OCT 1      1.29                      0.94   0.35     1.69    
  SINCE JAN 1      8.48                     10.59  -2.11     8.86    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM             4.3  1926   0.2   MM        0.0     
  MONTH TO DATE    7.5                       2.1    5.4      0.0     
  SINCE SEP 1      8.8                       5.8    3.0      1.0     
  SINCE JUL 1      8.8                       6.1    2.7      1.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       28                        33     -5       28       
  MONTH TO DATE  638                       467    171      301       
  SINCE SEP 1   1522                      1306    216     1030       
  SINCE JUL 1   1524                      1375    149     1074       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1     66                        23     43       13       
  SINCE JAN 1    702                       406    296      455       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     8.4                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           400 AM                                     
 LOWEST     45           200 PMAVERAGE    69                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   42        65      1976                    
 MINIMUM TEMPERATURE (F)   22       -16      1955                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 17 2017......SUNRISE   733 AM MST   SUNSET   452 PM MST   
NOVEMBER 18 2017......SUNRISE   735 AM MST   SUNSET   451 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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