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CDUS45 KMSO 180757
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
157 AM MDT FRI MAY 18 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 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         62    110 PM  82    2006  62      0       52       
                                      1976                          
  MINIMUM         43    439 AM  16    1896  34      9       32       
  AVERAGE         53                        48      5       42      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          0.70 1902   0.07  -0.04     0.11    
  MONTH TO DATE    0.29                      0.94  -0.65     0.78    
  SINCE OCT 1      4.25                      5.66  -1.41     4.78    
  SINCE JAN 1      2.99                      3.77  -0.78     2.98    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                        17     -5       23       
  MONTH TO DATE  318                       331    -13      358       
  SINCE MAR 1   1889                      2153   -264     2318       
  SINCE JUL 1   8029                      8722   -693     8990       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     4.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76           900 PM                                     
 LOWEST     32          1100 AM                                     
 AVERAGE    54                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        84      2009                    
 MINIMUM TEMPERATURE (F)   35        21      1960                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2012...........SUNRISE   554 AM MDT   SUNSET   900 PM MDT   
MAY 19 2012...........SUNRISE   553 AM MDT   SUNSET   901 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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