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CDUS45 KMSO 180738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST TUE DEC 18 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 17 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         33    151 PM  53    1980  29      4       45       
  MINIMUM         18    153 AM -38    1964   5     13       10       
  AVERAGE         26                        17      9       28      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.20 1982   0.02  -0.02     0.00    
  MONTH TO DATE    0.24                      0.28  -0.04     0.05    
  SINCE OCT 1      1.57                      1.66  -0.09     1.02    
  SINCE JAN 1      9.00                     12.54  -3.54    11.59    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       39                        48     -9       37       
  MONTH TO DATE  693                       801   -108      833       
  SINCE DEC 1    693                       801   -108      833       
  SINCE JUL 1   2955                      3291   -336     3135       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    121                        81     40       48       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     6.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    84           700 AM                                     
 LOWEST     57          1200 AM                                     
 AVERAGE    71                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        55      1979                    
 MINIMUM TEMPERATURE (F)    4       -32      1924                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2012......SUNRISE   807 AM MST   SUNSET   446 PM MST   
DECEMBER 19 2012......SUNRISE   808 AM MST   SUNSET   447 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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