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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 250918
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
317 AM MDT THU MAY 25 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR MAY 24 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         70    344 AM  93    2001  69      1       61       
  MINIMUM         50   1159 PM  29    1989  43      7       43       
                                      1944                          
  AVERAGE         60                        56      4       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.56 1953   0.07  -0.07     0.09    
  MONTH TO DATE    1.34                      1.33   0.01     1.36    
  SINCE OCT 1      6.76                      5.13   1.63     4.73    
  SINCE JAN 1      3.78                      3.56   0.22     3.03    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           2.0  1918   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.8   -0.8       T      
  SINCE MAR 1      2.9                      10.7   -7.8       T      
  SINCE JUL 1     51.5                      38.0   13.5     14.8     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                         9     -4       13       
  MONTH TO DATE  241                       293    -52      279       
  SINCE MAR 1   1518                      1786   -268     1488       
  SINCE JUL 1   7318                      7347    -29     6428       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    6                         0      6        0       
  SINCE MAR 1      6                         0      6        0       
  SINCE JAN 1      6                         0      6        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    39   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    49   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    18.5                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           200 AMLOWEST     13           300 PM                                     
 AVERAGE    43                                                       

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

                                                                     
THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        89      2003                    
                                             1934                    
 MINIMUM TEMPERATURE (F)   44        25      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 25 2017...........SUNRISE   543 AM MDT   SUNSET   907 PM MDT   
MAY 26 2017...........SUNRISE   542 AM MDT   SUNSET   908 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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