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CDUS45 KMSO 130740
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST THU DEC 13 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 12 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         35    240 AM  60    1924  29      6       33       
  MINIMUM         18   1129 PM -28    1919   5     13        3       
  AVERAGE         27                        17     10       18      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.40 1906   0.01  -0.01     0.00    
  MONTH TO DATE    T                         0.20  -0.20     0.03    
  SINCE OCT 1      1.30                      1.58  -0.28     0.94    
  SINCE JAN 1     13.46                     12.46   1.00    11.47    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        48    -10       47       
  MONTH TO DATE  589                       561     28      514       
  SINCE DEC 1    589                       561     28      514       
  SINCE JUL 1   3027                      3051    -24     2909       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1     90                        81      9      129       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    10.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           600 AM                                     
 LOWEST     39           100 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        60      1924                    
 MINIMUM TEMPERATURE (F)    5       -25      1919                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 13 2018......SUNRISE   803 AM MST   SUNSET   445 PM MST   
DECEMBER 14 2018......SUNRISE   804 AM MST   SUNSET   445 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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