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CDUS45 KMSO 190742
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
141 AM MDT TUE SEP 19 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 18 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   1042 AM  91    1981  67    -10       65       
  MINIMUM         36   1252 AM   6    1965  35      1       46       
  AVERAGE         47                        51     -4       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.08          0.74 1976   0.03   0.05      T      
  MONTH TO DATE    1.24                      0.63   0.61     0.84    
  SINCE OCT 1     13.23                     12.40   0.83     9.64    
  SINCE JAN 1     10.01                     10.51  -0.50     6.90    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        14      4        9       
  MONTH TO DATE  138                       194    -56      259       
  SINCE SEP 1    138                       194    -56      259       
  SINCE JUL 1    211                       422   -211      557       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    5                         0      5        3       
  SINCE SEP 1      5                         0      5        3       
  SINCE JAN 1    129                        79     50       57       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     6.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1000 PM                                     
 LOWEST     43          1100 AM                                     
 AVERAGE    68                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        86      2009                    
                                             1956                    
 MINIMUM TEMPERATURE (F)   34        16      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 19 2017.....SUNRISE   714 AM MDT   SUNSET   733 PM MDT   
SEPTEMBER 20 2017.....SUNRISE   715 AM MDT   SUNSET   731 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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