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CDUS45 KMSO 180909
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
209 AM MST FRI DEC 18 2015


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 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         16   1159 PM  53    2013  29    -13       36       
                                      1980                          
  MINIMUM        -11    748 AM -38    1964   5    -16        7       
  AVERAGE          3                        17    -14       22      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.20 1982   0.02  -0.02      T      
  MONTH TO DATE    0.32                      0.28   0.04     0.20    
  SINCE OCT 1      2.39                      1.66   0.73     2.03    
  SINCE JAN 1     11.56                     12.54  -0.98    14.47    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       62                        48     14       43       
  MONTH TO DATE  718                       801    -83      617       
  SINCE DEC 1    718                       801    -83      617       
  SINCE JUL 1   3138                      3291   -153     2947       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    101                        81     20       78       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED     8   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     2.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           600 AM                                     
 LOWEST     73           300 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        55      1979                    
 MINIMUM TEMPERATURE (F)    4       -32      1924                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2015......SUNRISE   807 AM MST   SUNSET   446 PM MST   
DECEMBER 19 2015......SUNRISE   808 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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