AFOS product CLIBTM
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CDUS45 KMSO 170840
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
139 AM MST SAT DEC 17 2016


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 16 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM          9    224 AM  58    1980  29    -20       22       
  MINIMUM        -27   1159 PM -36    1964   5    -32       -2       
  AVERAGE         -9                        17    -26       10      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          0.48 1927   0.01   0.01     0.17    
  MONTH TO DATE    0.34                      0.26   0.08     0.32    
  SINCE OCT 1      3.12                      1.64   1.48     2.39    
  SINCE JAN 1     10.50                     12.52  -2.02    11.56    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       74                        48     26       55       
  MONTH TO DATE  827                       753     74      656       
  SINCE DEC 1    827                       753     74      656       
  SINCE JUL 1   3121                      3243   -122     3076       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1     57                        81    -24      101       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     6.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    88          1200 AM                                     
 LOWEST     68           700 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 2016......SUNRISE   807 AM MST   SUNSET   446 PM MST   
DECEMBER 18 2016......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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