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CDUS45 KMSO 140738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT FRI SEP 14 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 13 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         61    253 PM  87    1981  70     -9       76       
  MINIMUM         39   1159 PM  22    1974  37      2       55       
  AVERAGE         50                        53     -3       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.86 1918   0.04  -0.03     0.09    
  MONTH TO DATE    0.05                      0.48  -0.43     0.19    
  SINCE OCT 1     12.71                     12.25   0.46    12.18    
  SINCE JAN 1     11.27                     10.36   0.91     8.96    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                        12      3        0       
  MONTH TO DATE  106                       128    -22       26       
  SINCE SEP 1    106                       128    -22       26       
  SINCE JUL 1    302                       356    -54       99       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        1       
  MONTH TO DATE    0                         0      0        5       
  SINCE SEP 1      0                         0      0        5       
  SINCE JAN 1     90                        79     11      129       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     4.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86           200 AM                                     
 LOWEST     29           300 PM                                     
 AVERAGE    58                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        87      1990                    
 MINIMUM TEMPERATURE (F)   36        21      1970                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 14 2018.....SUNRISE   707 AM MDT   SUNSET   743 PM MDT   
SEPTEMBER 15 2018.....SUNRISE   708 AM MDT   SUNSET   741 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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