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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 202333
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
431 PM MST SAT DEC 20 2014


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

...THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 20 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         37    255 PM  55    1900  31      6       20       
  MINIMUM         27    853 AM -25    1990  11     16        4       
  AVERAGE         32                        21     11       12      
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00          0.21 1964   0.02  -0.02     0.03    
  MONTH TO DATE    0.34                      0.27   0.07     0.24    
  SINCE OCT 1      1.81                      1.44   0.37     0.95    
  SINCE JAN 1     11.77                     11.09   0.68    10.53    
                                                                     
SNOWFALL (IN)                                                        
  TODAY            0.0           2.9  1964   0.2   -0.2      0.3     
  MONTH TO DATE    0.9                       4.8   -3.9      0.9     
  SINCE DEC 1      0.9                       4.8   -3.9      0.9     
  SINCE JUL 1     11.7                      13.6   -1.9      4.4     
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           33                        44    -11       53       
  MONTH TO DATE  711                       850   -139      910       
  SINCE DEC 1    711                       850   -139      910       
  SINCE JUL 1   2423                      2732   -309     2701       
                                                                     
 COOLING                                                             
  TODAY            0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    469                       406     63      589       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     4.1                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81           900 AM                                     
 LOWEST52           600 AM                                     
 AVERAGE    67                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   31        60      1933                    
 MINIMUM TEMPERATURE (F)   11       -32      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2014......SUNRISE   809 AM MST   SUNSET   443 PM MST   
DECEMBER 21 2014......SUNRISE   809 AM MST   SUNSET   443 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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