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CDUS45 KMSO 210746
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
146 AM MDT SUN OCT 21 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR OCTOBER 20 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         50   1133 AM  77    1927  53     -3       59       
  MINIMUM         32   1159 PM  10    1943  26      6       26       
  AVERAGE         41                        40      1       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          0.40 1899   0.02   0.02     0.00    
  MONTH TO DATE    0.30                      0.54  -0.24     0.59    
  SINCE OCT 1      0.30                      0.54  -0.24     0.59    
  SINCE JAN 1      7.73                     11.42  -3.69    11.16    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       24                        25     -1       22       
  MONTH TO DATE  453                       445      8      372       
  SINCE SEP 1    766                       838    -72      645       
  SINCE JUL 1    858                      1066   -208      806       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1      0                         2     -2        2       
  SINCE JAN 1    121                        81     40       48       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    10.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     46          1200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   53        75      2003                    
 MINIMUM TEMPERATURE (F)   25         9      1996                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 21 2012.......SUNRISE   756 AM MDT   SUNSET   633 PM MDT   
OCTOBER 22 2012.......SUNRISE   757 AM MDT   SUNSET   631 PM MDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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