Weather Service Report


269 
CDUS45 KTFX 091055
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
355 AM MST FRI DEC 9 2016


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

...THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 8 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM          8   1232 PM  60    1939  33    -25       56       
  MINIMUM         -1    226 AM -35    1972  13    -14       43       
  AVERAGE          4                        23    -19       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          0.52 1906   0.02   0.00     0.00    
  MONTH TO DATE    0.14                      0.12   0.02     0.04    
  SINCE OCT 1      1.84                      1.29   0.55     1.00    
  SINCE JAN 1      9.01                     10.94  -1.93     9.20    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             3.8  1929   0.3   -0.3      0.0     
  MONTH TO DATE    1.0                       1.9   -0.9      0.0     
  SINCE DEC 1      1.0                       1.9   -0.9      0.0     
  SINCE JUL 1      2.3                      10.7   -8.4      3.5     
  SNOW DEPTH       1                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       61                        42     19       15       
  MONTH TO DATE  354                       328     26      265       
  SINCE DEC 1    354                       328     26      265       
  SINCE JUL 1   1829                      2210   -381     1894       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    455                       406     49      564       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    79           100 AM                                     
 LOWEST     68           400 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   32        59      1957                    
 MINIMUM TEMPERATURE (F)   13       -30      1972                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  9 2016......SUNRISE   801 AM MST   SUNSET   440 PM MST   
DECEMBER 10 2016......SUNRISE   802 AM MST   SUNSET   440 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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Western Regional Climate Center, wrcc@dri.edu