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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT MON SEP 10 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 9 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         84    425 PM  87    1981  71     13       81       
  MINIMUM         35    533 AM  20    1959  38     -3       42       
  AVERAGE         60                        54      6       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.60 1961   0.03  -0.03     0.00    
  MONTH TO DATE    0.01                      0.34  -0.33     0.00    
  SINCE OCT 1      8.67                     12.11  -3.44    11.97    
  SINCE JAN 1      7.41                     10.22  -2.81    10.17    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                        11     -6        3       
  MONTH TO DATE   85                        82      3       75       
  SINCE SEP 1     85                        82      3       75       
  SINCE JUL 1    177                       310   -133      236       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        2       
  SINCE SEP 1      0                         0      0        2       
  SINCE JAN 1    121                        79     42       48       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    54           600 AM                                     
 LOWEST     11           100 PM                                     
 AVERAGE    33                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        87      1966                    
 MINIMUM TEMPERATURE (F)   38        24      1921                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 10 2012.....SUNRISE   703 AM MDT   SUNSET   750 PM MDT   
SEPTEMBER 11 2012.....SUNRISE   704 AM MDT   SUNSET   748 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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