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CDUS45 KMSO 170751
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1247 AM MST SUN DEC 17 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 16 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         29    248 PM  58    1980  29      0        9       
  MINIMUM          5    832 PM -36    1964   5      0      -27       
  AVERAGE         17                        17      0       -9      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          0.48 1927   0.01   0.02     0.02    
  MONTH TO DATE    0.13                      0.26  -0.13     0.34    
  SINCE OCT 1      1.04                      1.64  -0.60     3.12    
  SINCE JAN 1     11.57                     12.52  -0.95    10.50    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       48                        48      0       74       
  MONTH TO DATE  691                       753    -62      827       
  SINCE DEC 1    691                       753    -62      827       
  SINCE JUL 1   3086                      3243   -157     3121       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    129                        81     48       57       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     5.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           200 AM                                     
 LOWEST     63          1200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        53      2013                    
                                             1980                    
 MINIMUM TEMPERATURE (F)    5       -38      1964                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2017......SUNRISE   807 AM MST   SUNSET   446 PM MST   
DECEMBER 18 2017......SUNRISE   807 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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