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CDUS45 KMSO 190738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST WED DEC 19 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 18 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         21    123 PM  55    1979  29     -8       43       
  MINIMUM         -3   1023 PM -32    1924   4     -7        7       
  AVERAGE          9                        17     -8       25      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.24 1925   0.02  -0.02     0.00    
  MONTH TO DATE    0.24                      0.30  -0.06     0.05    
  SINCE OCT 1      1.57                      1.68  -0.11     1.02    
  SINCE JAN 1      9.00                     12.56  -3.56    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       56                        48      8       40       
  MONTH TO DATE  749                       849   -100      873       
  SINCE DEC 1    749                       849   -100      873       
  SINCE JUL 1   3011                      3339   -328     3175       
                                                                     
 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    17   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83           700 PM                                     
 LOWEST     45          1200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        52      2004                    
 MINIMUM TEMPERATURE (F)    4       -27      1945                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 19 2012......SUNRISE   808 AM MST   SUNSET   447 PM MST   
DECEMBER 20 2012......SUNRISE   809 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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