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CDUS45 KMSO 310759
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
157 AM MDT TUE MAY 31 2005

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 30 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         62    422 PM  87    1986  65     -3       55       
  MINIMUM         34    512 AM  24    1920  38     -4       31       
  AVERAGE         48                        52     -4       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.12 1988   0.08  -0.08     0.01    
  MONTH TO DATE    2.50                      1.97   0.53     2.04    
  SINCE OCT 1      5.26                      6.74  -1.48     4.65    
  SINCE JAN 1      4.49                      4.82  -0.33     3.91    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE  999.9                                               
  SINCE JAN 1    999.9                                               
  SINCE JUL 1    999.9                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                        13      4       22       
  MONTH TO DATE  536                       517     19      567       
  SINCE MAR 1   2338                      2375    -37     2144       
  SINCE JUL 1   8467                      9098   -631     8664       
                                                                     
 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    24   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     E (110)      
  AVERAGE WIND SPEED     7.2                                         
                                                                     
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    96           500 AM                                     
 LOWEST     26           700 PM                                     
 AVERAGE    61                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        84      1986                    
 MINIMUM TEMPERATURE (F)   39        24      1950                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 31 2005...........SUNRISE   543 AM MDT   SUNSET   912 PM MDT   
JUNE  1 2005..........SUNRISE   543 AM MDT   SUNSET   913 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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