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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
139 AM MDT FRI SEP 20 2013


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 19 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         61    357 PM  86    2009  67     -6       78       
                                      1956                          
  MINIMUM         34    718 AM  16    1983  34      0       34       
  AVERAGE         48                        51     -3       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.68 1968   0.04  -0.04     0.00    
  MONTH TO DATE    1.07                      0.67   0.40     0.03    
  SINCE OCT 1      9.99                     12.44  -2.45     8.69    
  SINCE JAN 1      8.36                     10.55  -2.19     7.43    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        14      3        9       
  MONTH TO DATE   88                       208   -120      213       
  SINCE SEP 1     88                       208   -120      213       
  SINCE JUL 1    155                       436   -281      305       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    8                         0      8        0       
  SINCE SEP 1      8                         0      8        0       
  SINCE JAN 1    104                        79     25      121       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NE (30)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED     2.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           700 AM                                     
 LOWEST     29           300 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        83      1918                    
 MINIMUM TEMPERATURE (F)   34         8      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 20 2013.....SUNRISE   715 AM MDT   SUNSET   731 PM MDT   
SEPTEMBER 21 2013.....SUNRISE   716 AM MDT   SUNSET   729 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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