Weather Service Report


181 
CDUS45 KTFX 221213
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
512 AM MST WED FEB 22 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR FEBRUARY 21 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         55    321 PM  63    1961  40     15       46       
  MINIMUM         32    858 AM -23    1910  18     14       20       
  AVERAGE         44                        29     15       33      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.49 1914   0.02  -0.02     0.00    
  MONTH TO DATE    0.52                      0.22   0.30     0.13    
  SINCE OCT 1      4.12                      2.15   1.97     2.14    
  SINCE JAN 1      1.14                      0.58   0.56     0.44    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.5  1914   0.2   -0.2      0.0     
  MONTH TO DATE    8.7                       3.9    4.8       T      
  SINCE DEC 1     45.2                      17.4   27.8     11.3     
  SINCE JUL 1     46.5                      26.2   20.3     14.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        36    -15       32       
  MONTH TO DATE  857                       800     57      577       
  SINCE DEC 1   4060                      3436    624     3109       
  SINCE JUL 1   5535                      5318    217     4738       
                                                                     
 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    25   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     7.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           800 AM                                     
 LOWEST     27           500 PM                                     
 AVERAGE    62                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   41        63      2002                    
 MINIMUM TEMPERATURE (F)   18       -29      1910                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 22 2017......SUNRISE   719 AM MST   SUNSET   604 PM MST   
FEBRUARY 23 2017......SUNRISE   718 AM MST   SUNSET   606 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