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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
144 AM MDT FRI OCT 13 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR OCTOBER 12 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         43    307 PM  78    1964  57    -14       54       
  MINIMUM         23    444 AM   6    2009  28     -5       15       
  AVERAGE         33                        42     -9       35      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.40 1920   0.03  -0.03     0.00    
  MONTH TO DATE    0.11                      0.34  -0.23     1.12    
  SINCE OCT 1      0.11                      0.34  -0.23     1.12    
  SINCE JAN 1     10.64                     11.22  -0.58     8.50    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       32                        23      9       30       
  MONTH TO DATE  330                       252     78      283       
  SINCE SEP 1    738                       645     93      705       
  SINCE JUL 1    811                       873    -62     1003       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE SEP 1      5                         2      3        3       
  SINCE JAN 1    129                        81     48       57       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1200 AM                                     
 LOWEST     30           400 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        77      1964                    
 MINIMUM TEMPERATURE (F)   27        10      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 13 2017.......SUNRISE   745 AM MDT   SUNSET   647 PM MDT   
OCTOBER 14 2017.......SUNRISE   746 AM MDT   SUNSET   645 PM MDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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