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CDUS45 KMSO 180738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT TUE SEP 18 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 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         72    336 PM  90    1981  68      4       61       
  MINIMUM         31    717 AM   9    1965  35     -4       35       
  AVERAGE         52                        51      1       48      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.45 1908   0.03  -0.03     0.00    
  MONTH TO DATE    0.03                      0.60  -0.57     0.38    
  SINCE OCT 1      8.69                     12.37  -3.68    12.35    
  SINCE JAN 1      7.43                     10.48  -3.05    10.55    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                        14     -1       17       
  MONTH TO DATE  194                       180     14      150       
  SINCE SEP 1    194                       180     14      150       
  SINCE JUL 1    286                       408   -122      311       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        2       
  SINCE SEP 1      0                         0      0        2       
  SINCE JAN 1    121                        79     42       48       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (330)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     5.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           500 AM                                     
 LOWEST     16           300 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        91      1981                    
 MINIMUM TEMPERATURE (F)   35         6      1965                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 18 2012.....SUNRISE   713 AM MDT   SUNSET   734 PM MDT   
SEPTEMBER 19 2012.....SUNRISE   714 AM MDT   SUNSET   732 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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