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CDUS45 KMSO 150738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT FRI SEP 15 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 14 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         55   1214 AM  87    1990  69    -14       48       
  MINIMUM         37   1132 PM  21    1970  36      1       35       
  AVERAGE         46                        53     -7       42      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.25          1.08 1966   0.03   0.22     0.26    
  MONTH TO DATE    0.44                      0.51  -0.07     0.84    
  SINCE OCT 1     12.43                     12.28   0.15     9.64    
  SINCE JAN 1      9.21                     10.39  -1.18     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       19                        12      7       23       
  MONTH TO DATE   45                       140    -95      209       
  SINCE SEP 1     45                       140    -95      209       
  SINCE JUL 1    118                       368   -250      507       
                                                                     
 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    16   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED     5.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           300 PM                                     
 LOWEST     51          1200 AM                                     
 AVERAGE    74                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        93      2000                    
 MINIMUM TEMPERATURE (F)   36        22      1970                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 15 2017.....SUNRISE   709 AM MDT   SUNSET   741 PM MDT   
SEPTEMBER 16 2017.....SUNRISE   710 AM MDT   SUNSET   739 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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