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CDUS45 KMSO 160737
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT SAT SEP 16 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 15 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         38   1212 AM  93    2000  69    -31       67       
  MINIMUM         33   1159 PM  22    1970  36     -3       37       
  AVERAGE         36                        52    -16       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.65R         0.53 2015   0.03   0.62     0.00    
  MONTH TO DATE    1.09                      0.54   0.55     0.84    
  SINCE OCT 1     13.08                     12.31   0.77     9.64    
  SINCE JAN 1      9.86                     10.42  -0.56     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       29                        13     16       13       
  MONTH TO DATE   74                       153    -79      222       
  SINCE SEP 1     74                       153    -79      222       
  SINCE JUL 1    147                       381   -234      520       
                                                                     
 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    13   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (310)      
  AVERAGE WIND SPEED     7.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     92           200 AM                                     
 AVERAGE    96                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        86      1998                    
 MINIMUM TEMPERATURE (F)   36        18      1965                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 16 2017.....SUNRISE   710 AM MDT   SUNSET   739 PM MDT   
SEPTEMBER 17 2017.....SUNRISE   711 AM MDT   SUNSET   737 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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