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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT TUE APR 30 2013


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

...THE BUTTE MT CLIMATE SUMMARY FOR APRIL 29 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         50    109 PM  81    1926  56     -6       50       
  MINIMUM         28   1018 PM  12    2005  29     -1       29       
  AVERAGE         39                        42     -3       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          0.69 1942   0.04  -0.03     0.00    
  MONTH TO DATE    0.24                      1.12  -0.88     1.21    
  SINCE OCT 1      2.53                      4.67  -2.14     3.94    
  SINCE JAN 1      0.90                      2.78  -1.88     2.68    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       26                        23      3       25       
  MONTH TO DATE  829                       759     70      660       
  SINCE MAR 1   1866                      1801     65     1549       
  SINCE JUL 1   8244                      8370   -126     7689       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    47   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED    14.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  LIGHT SNOW                                                         
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    78           700 PM                                     
 LOWEST     26           300 PM                                     
 AVERAGE    52                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        79      1926                    
 MINIMUM TEMPERATURE (F)   29         9      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 30 2013.........SUNRISE   618 AM MDT   SUNSET   837 PM MDT   
MAY  1 2013...........SUNRISE   617 AM MDT   SUNSET   838 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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