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CDUS45 KMSO 180737
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT MON SEP 18 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 17 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         60    511 PM  90    1981  68     -8       68       
  MINIMUM         29    214 AM   9    1965  35     -6       34       
  AVERAGE         45                        51     -6       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.45 1908   0.03  -0.03      T      
  MONTH TO DATE    1.16                      0.60   0.56     0.84    
  SINCE OCT 1     13.15                     12.37   0.78     9.64    
  SINCE JAN 1      9.93                     10.48  -0.55     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       20                        14      6       14       
  MONTH TO DATE  120                       180    -60      250       
  SINCE SEP 1    120                       180    -60      250       
  SINCE JUL 1    193                       408   -215      548       
                                                                     
 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    14   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     33           300 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        91      1981                    
 MINIMUM TEMPERATURE (F)   35         6      1965                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 18 2017.....SUNRISE   712 AM MDT   SUNSET   735 PM MDT   
SEPTEMBER 19 2017.....SUNRISE   714 AM MDT   SUNSET   733 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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