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CDUS45 KMSO 180738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT MON MAY 18 2015


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 17 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         43    156 PM  82    2006  62    -19       67       
                                      1976                          
  MINIMUM         35   1157 PM  16    1896  34      1       40       
  AVERAGE         39                        48     -9       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.70 1902   0.07  -0.07     0.09    
  MONTH TO DATE    1.11                      0.94   0.17     0.65    
  SINCE OCT 1      5.09                      5.66  -0.57     5.15    
  SINCE JAN 1      2.70                      3.77  -1.07     4.11    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       26                        17      9       11       
  MONTH TO DATE  332                       331      1      358       
  SINCE MAR 1   1956                      2153   -197     2201       
  SINCE JUL 1   7837                      8722   -885     8579       
                                                                     
 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    18   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     6.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           700 AM                                     
 LOWEST     62           100 PM                                     
 AVERAGE    74                                                       

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

                                                                     
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 2015...........SUNRISE   555 AM MDT   SUNSET   859 PM MDT   
MAY 19 2015...........SUNRISE   554 AM MDT   SUNSET   900 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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