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CDUS45 KMSO 200739
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST THU DEC 20 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 19 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         38    322 PM  52    2004  29      9       41       
  MINIMUM         11   1159 PM -27    1945   4      7       31       
  AVERAGE         25                        17      8       36      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          0.60 1925   0.01   0.02      T      
  MONTH TO DATE    0.08                      0.31  -0.23     0.13    
  SINCE OCT 1      1.38                      1.69  -0.31     1.04    
  SINCE JAN 1     13.54                     12.57   0.97    11.57    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        48     -8       29       
  MONTH TO DATE  860                       897    -37      798       
  SINCE DEC 1    860                       897    -37      798       
  SINCE JUL 1   3298                      3387    -89     3193       
                                                                     
 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    17   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           400 AM                                     
 LOWEST     44           200 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        49      1958                    
 MINIMUM TEMPERATURE (F)    5       -36      1998                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2018......SUNRISE   808 AM MST   SUNSET   447 PM MST   
DECEMBER 21 2018......SUNRISE   809 AM MST   SUNSET   448 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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