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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
144 AM MST WED DEC 21 2016


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 20 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         40    418 PM  49    1958  29     11       24       
  MINIMUM         18   1058 PM -36    1998   5     13       -1       
  AVERAGE         29                        17     12       12      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.25 1941   0.02  -0.02      T      
  MONTH TO DATE    0.34                      0.33   0.01     0.55    
  SINCE OCT 1      3.12                      1.71   1.41     2.62    
  SINCE JAN 1     10.50                     12.59  -2.09    11.79    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       36                        48    -12       53       
  MONTH TO DATE 1063                       945    118      847       
  SINCE DEC 1   1063                       945    118      847       
  SINCE JUL 1   3357                      3435    -78     3267       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1     57                        81    -24      101       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    10.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    70           100 PM                                     
 LOWEST     50           900 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        50      1940                    
 MINIMUM TEMPERATURE (F)    5       -43      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 21 2016......SUNRISE   809 AM MST   SUNSET   448 PM MST   
DECEMBER 22 2016......SUNRISE   810 AM MST   SUNSET   448 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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