AFOS product CLIBTM
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CDUS45 KMSO 210739
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT SAT OCT 21 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR OCTOBER 20 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         57   1005 AM  77    1927  53      4       54       
  MINIMUM         31   1159 PM  10    1943  26      5       24       
  AVERAGE         44                        40      4       39      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.03          0.40 1899   0.02   0.01     0.00    
  MONTH TO DATE    0.15                      0.54  -0.39     1.43    
  SINCE OCT 1      0.15                      0.54  -0.39     1.43    
  SINCE JAN 1     10.68                     11.42  -0.74     8.81    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        25     -4       26       
  MONTH TO DATE  501                       445     56      472       
  SINCE SEP 1    909                       838     71      894       
  SINCE JUL 1    982                      1066    -84     1192       
                                                                     
 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    31   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     8.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 PM                                     
 LOWEST     20           400 AM                                     
 AVERAGE    60                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   53        75      2003                    
 MINIMUM TEMPERATURE (F)   25         9      1996                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 21 2017.......SUNRISE   755 AM MDT   SUNSET   633 PM MDT   
OCTOBER 22 2017.......SUNRISE   757 AM MDT   SUNSET   631 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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