Weather Service Report


648 
CDUS45 KTFX 170958
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
254 AM MST TUE JAN 17 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR JANUARY 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         12    542 PM  56    1974  33    -21       31       
  MINIMUM        -10    623 AM -37    1888  13    -23       21       
  AVERAGE          1                        23    -22       26      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.24 1954   0.01  -0.01     0.10    
  MONTH TO DATE    0.44                      0.20   0.24     0.26    
  SINCE OCT 1      3.42                      1.77   1.65     1.96    
  SINCE JAN 1      0.44                      0.20   0.24     0.26    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0          11.0  1929   0.2   -0.2      1.0     
  MONTH TO DATE    7.8                       3.2    4.6      3.0     
  SINCE DEC 1     31.6                      10.5   21.1     10.6     
  SINCE JUL 1     32.9                      19.3   13.6     14.1     
  SNOW DEPTH       8                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       64                        42     22       39       
  MONTH TO DATE 1000                       687    313      764       
  SINCE DEC 1   2542                      2026    516     2030       
  SINCE JUL 1   4017                      3908    109     3659       
                                                                     
 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     5   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED     6   HIGHEST GUST DIRECTION    NE (60)       
  AVERAGE WIND SPEED     1.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           900 AM                                     
 LOWEST     63           300 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        55      1919                    
 MINIMUM TEMPERATURE (F)   13       -32      1930                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 17 2017.......SUNRISE   806 AM MST   SUNSET   511 PM MST   
JANUARY 18 2017.......SUNRISE   806 AM MST   SUNSET   512 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