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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
139 AM MDT WED SEP 12 2018


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 11 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         69    328 PM  87    1981  70     -1       85       
  MINIMUM         35    704 AM  24    1989  37     -2       41       
  AVERAGE         52                        54     -2       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.70 1980   0.03  -0.03     0.00    
  MONTH TO DATE    T                         0.41  -0.41     0.10    
  SINCE OCT 1     12.66                     12.18   0.48    12.09    
  SINCE JAN 1     11.22                     10.29   0.93     8.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                        11      2        2       
  MONTH TO DATE   75                       104    -29       23       
  SINCE SEP 1     75                       104    -29       23       
  SINCE JUL 1    271                       332    -61       96       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        4       
  SINCE SEP 1      0                         0      0        4       
  SINCE JAN 1     90                        79     11      128       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    82           600 AM                                     
 LOWEST     25           300 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        87      1981                    
 MINIMUM TEMPERATURE (F)   37        18      1989                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 12 2018.....SUNRISE   705 AM MDT   SUNSET   747 PM MDT   
SEPTEMBER 13 2018.....SUNRISE   706 AM MDT   SUNSET   745 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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