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Accidents and Incidents Report

Helena Climatic Report

CDUS45 KTFX 181156
CLIHVR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT                              
454 AM MST MON DEC 18 2017


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

...THE HAVRE MT CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1880 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         40    343 PM  61    1976  30     10        8       
  MINIMUM         15    254 AM -34    1984   7      8      -29       
                                      1922                          
  AVERAGE         28                        18     10      -10      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.21 1973   0.01  -0.01     0.00    
  MONTH TO DATE    0.08                      0.20  -0.12     0.44    
  SINCE OCT 1      2.38                      1.21   1.17     3.96    
  SINCE JAN 1      6.94                     11.00  -4.06    19.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        T             5.0  1970   0.3   -0.3      0.0     
  MONTH TO DATE    T                         3.6   -3.6      6.9     
  SINCE DEC 1      T                         3.6   -3.6      6.9     
  SINCE JUL 1     17.5                      11.2    6.3     12.4     
  SNOW DEPTH       T                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       37                        47    -10       75       
  MONTH TO DATE  517                       756   -239      993       
  SINCE DEC 1    517                       756   -239      993       
  SINCE JUL 1   2575                      2799   -224     2740       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    526                       387    139      344       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    18.6                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1200 AMLOWEST     54           300 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE HAVRE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        57      1979                    
 MINIMUM TEMPERATURE (F)    7       -36      1924                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2017......SUNRISE   807 AM MST   SUNSET   425 PM MST   
DECEMBER 19 2017......SUNRISE   807 AM MST   SUNSET   425 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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