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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 170934
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
333 AM MDT THU AUG 17 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 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         88    346 PM  97    2013  85      3       95       
  MINIMUM         51    606 AM  42    1954  53     -2       56       
                                      1905                          
  AVERAGE         70                        69      1       76      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.79 1932   0.04  -0.04     0.00    
  MONTH TO DATE    T                         0.60  -0.60     0.48    
  SINCE OCT 1      8.25                      9.52  -1.27     7.46    
  SINCE JAN 1      5.27                      7.95  -2.68     5.76    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           T    1954   0.0    0.0      0.0     
                                      1995                          
  MONTH TO DATE    0.0                       0.1   -0.1      0.0     
  SINCE JUN 1      0.0                       0.1   -0.1       T      
  SINCE JUL 1      0.0                       0.1   -0.1      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    2                        10     -8        5       
  SINCE JUN 1     78                       173    -95       77       
  SINCE JUL 1      2                        37    -35       23       
                                                                     
 COOLING                                                             
  YESTERDAY        5                         5      0       11       
  MONTH TO DATE   80                        96    -16       73       
  SINCE JUN 1    508                       326    182      386       
  SINCE JAN 1    517                       334    183      386       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     7.7                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)HIGHEST    46           500 AM                                     
 LOWEST     13           100 PM                                     
 AVERAGE    30                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   85        98      2001                    
 MINIMUM TEMPERATURE (F)   52        38      2002                    
                                             1985                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 17 2017........SUNRISE   629 AM MDT   SUNSET   834 PM MDT   
AUGUST 18 2017........SUNRISE   630 AM MDT   SUNSET   832 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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