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CDUS45 KMSO 210757
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
157 AM MDT SAT JUL 21 2012


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

...THE BUTTE MT CLIMATE SUMMARY FOR JULY 20 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         86    211 PM  96    1960  82      4       72       
  MINIMUM         65    150 AM  35    1987  46     19       45       
  AVERAGE         76                        64     12       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.70 1914   0.04  -0.03     0.00    
  MONTH TO DATE    2.11                      0.90   1.21     0.69    
  SINCE OCT 1      8.32                      9.96  -1.64    11.22    
  SINCE JAN 1      7.06                      8.07  -1.01     9.42    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         3     -3        6       
  MONTH TO DATE   16                        77    -61       51       
  SINCE JUN 1    289                       364    -75      420       
  SINCE JUL 1     16                        77    -61       51       
                                                                     
 COOLING                                                             
  YESTERDAY       11                         2      9        0       
  MONTH TO DATE   48                        27     21       21       
  SINCE JUN 1     63                        34     29       23       
  SINCE JAN 1     63                        34     29       23       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    39   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     8.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    47          1000 PM                                     
 LOWEST     24           100 PM                                     
 AVERAGE    36                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82        97      1936                    
 MINIMUM TEMPERATURE (F)   46        31      1949                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 21 2012..........SUNRISE   601 AM MDT   SUNSET   911 PM MDT   
JULY 22 2012..........SUNRISE   602 AM MDT   SUNSET   910 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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