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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
144 AM MDT THU JUL 20 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR JULY 19 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         88    521 PM  96    1960  82      6       90       
  MINIMUM         49    537 AM  34    1962  46      3       45       
  AVERAGE         69                        64      5       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.60 1969   0.04  -0.04     0.00    
  MONTH TO DATE    0.50                      0.86  -0.36     0.92    
  SINCE OCT 1     11.83                      9.92   1.91     8.12    
  SINCE JAN 1      8.61                      8.03   0.58     5.38    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        0       
  MONTH TO DATE    4                        74    -70      123       
  SINCE JUN 1    239                       361   -122      312       
  SINCE JUL 1      4                        74    -70      123       
                                                                     
 COOLING                                                             
  YESTERDAY        4                         2      2        3       
  MONTH TO DATE   62                        25     37        8       
  SINCE JUN 1     74                        32     42       31       
  SINCE JAN 1     74                        32     42       31       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     4.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    61           500 AM                                     
 LOWEST     13           600 PM                                     
 AVERAGE    37                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82        96      1960                    
 MINIMUM TEMPERATURE (F)   46        35      1987                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 20 2017..........SUNRISE   559 AM MDT   SUNSET   913 PM MDT   
JULY 21 2017..........SUNRISE   601 AM MDT   SUNSET   912 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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