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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT SUN AUG 13 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 12 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         84    259 PM  99    1940  81      3       78       
  MINIMUM         44    600 AM  34    1987  45     -1       41       
  AVERAGE         64                        63      1       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.51 1965   0.05  -0.05     0.00    
  MONTH TO DATE    0.07                      0.52  -0.45     0.47    
  SINCE OCT 1     11.90                     10.93   0.97     8.61    
  SINCE JAN 1      8.68                      9.04  -0.36     5.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        1                         3     -2        5       
  MONTH TO DATE   20                        30    -10       67       
  SINCE JUN 1    263                       417   -154      389       
  SINCE JUL 1     28                       130   -102      200       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1        0       
  MONTH TO DATE    7                        14     -7        2       
  SINCE JUN 1    110                        65     45       49       
  SINCE JAN 1    110                        65     45       49       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SE (120)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76           600 AM                                     
 LOWEST     15           300 PM                                     
 AVERAGE    46                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        93      1940                    
 MINIMUM TEMPERATURE (F)   45        32      1959                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 13 2017........SUNRISE   628 AM MDT   SUNSET   841 PM MDT   
AUGUST 14 2017........SUNRISE   629 AM MDT   SUNSET   840 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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