AFOS product CLIBTM
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CDUS45 KMSO 160738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST SUN DEC 16 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 15 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    343 PM  53    1980  29      9       33       
  MINIMUM         10   1152 PM -27    1967   5      5        6       
  AVERAGE         24                        17      7       20      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.30 1947   0.02  -0.02      T      
  MONTH TO DATE    T                         0.25  -0.25     0.10    
  SINCE OCT 1      1.30                      1.63  -0.33     1.01    
  SINCE JAN 1     13.46                     12.51   0.95    11.54    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       41                        48     -7       45       
  MONTH TO DATE  715                       705     10      643       
  SINCE DEC 1    715                       705     10      643       
  SINCE JUL 1   3153                      3195    -42     3038       
                                                                     
 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    22   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     7.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    73          1000 PM                                     
 LOWEST     35           400 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        58      1980                    
 MINIMUM TEMPERATURE (F)    5       -36      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 16 2018......SUNRISE   806 AM MST   SUNSET   446 PM MST   
DECEMBER 17 2018......SUNRISE   806 AM MST   SUNSET   446 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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