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CDUS45 KMSO 220739
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST SAT DEC 22 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 21 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         39    142 AM  50    1940  29     10       19       
  MINIMUM         21   1117 PM -43    1983   5     16        0       
  AVERAGE         30                        17     13       10      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.24 1988   0.02  -0.01     0.00    
  MONTH TO DATE    0.09                      0.35  -0.26     0.21    
  SINCE OCT 1      1.39                      1.73  -0.34     1.12    
  SINCE JAN 1     13.55                     12.61   0.94    11.65    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       35                        48    -13       55       
  MONTH TO DATE  936                       993    -57      894       
  SINCE DEC 1    936                       993    -57      894       
  SINCE JUL 1   3374                      3483   -109     3289       
                                                                     
 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 (330)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED    11.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    81           100 AM                                     
 LOWEST     39           100 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        53      1933                    
 MINIMUM TEMPERATURE (F)    5       -44      1990                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2018......SUNRISE   809 AM MST   SUNSET   448 PM MST   
DECEMBER 23 2018......SUNRISE   810 AM MST   SUNSET   449 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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