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CDUS45 KMSO 280739
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1239 AM MST THU DEC 28 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 27 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         29    325 PM  66    1917  30     -1       27       
  MINIMUM         -4   1219 AM -25    1941   5     -9        6       
  AVERAGE         13                        17     -4       17      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          0.30 1917   0.01   0.03      T      
  MONTH TO DATE    0.47                      0.44   0.03     0.44    
  SINCE OCT 1      1.38                      1.82  -0.44     3.22    
  SINCE JAN 1     11.91                     12.70  -0.79    10.60    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       52                        48      4       48       
  MONTH TO DATE 1271                      1281    -10     1435       
  SINCE DEC 1   1271                      1281    -10     1435       
  SINCE JUL 1   3666                      3771   -105     3729       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    129                        81     48       57       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     3.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           700 PM                                     
 LOWEST     74          1200 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   30        56      1917                    
 MINIMUM TEMPERATURE (F)    5       -35      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 28 2017......SUNRISE   811 AM MST   SUNSET   452 PM MST   
DECEMBER 29 2017......SUNRISE   812 AM MST   SUNSET   453 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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