Weather Service Report


957 
CDUS45 KTFX 230945
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
344 AM MDT SUN APR 23 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR APRIL 22 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         66    505 PM  83    1906  60      6       79       
  MINIMUM         35    611 AM  17    1968  34      1       45       
                                      1967                          
                                      1951                          
  AVERAGE         51                        47      4       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.87 1886   0.03  -0.03     0.00    
  MONTH TO DATE    0.66                      0.68  -0.02     0.83    
  SINCE OCT 1      5.36                      3.50   1.86     3.19    
  SINCE JAN 1      2.38                      1.93   0.45     1.49    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           5.8  1960   0.1   -0.1      0.0     
  MONTH TO DATE    T                         2.9   -2.9       T      
  SINCE MAR 1      2.9                       9.1   -6.2       T      
  SINCE JUL 1     51.5                      36.4   15.1     14.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        18     -4        3       
  MONTH TO DATE  429                       466    -37      306       
  SINCE MAR 1   1142                      1357   -215     1065       
  SINCE JUL 1   6942                      6918     24     6005       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     6.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           400 AM                                     
 LOWEST     24           500 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        83      2012                    
 MINIMUM TEMPERATURE (F)   34        14      1931                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 23 2017.........SUNRISE   626 AM MDT   SUNSET   827 PM MDT   
APRIL 24 2017.........SUNRISE   624 AM MDT   SUNSET   829 PM MDT   

                                                                    
-  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