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CDUS45 KMSO 310758
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
157 AM MDT MON MAY 31 2004

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 30 2004...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2004

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         55    351 PM  87    1986  65    -10       75       
  MINIMUM         31    547 AM  24    1920  38     -7       48       
  AVERAGE         43                        52     -9       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.12 1988   0.08  -0.07     0.34    
  MONTH TO DATE    2.04                      1.97   0.07     1.11    
  SINCE OCT 1      4.65                      6.74  -2.09     6.07    
  SINCE JAN 1      3.91                      4.82  -0.91     5.60    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        13      9        3       
  MONTH TO DATE  567                       517     50      551       
  SINCE MAR 1   2144                      2375   -231     2357       
  SINCE JUL 1   8664                      9098   -434     9026       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        3       
  SINCE MAR 1      0                         0      0        3       
  SINCE JAN 1      0                         0      0        3       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED    10.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    72           500 AM                                     
 LOWEST     35           300 PM                                     
 AVERAGE    54                                                       
..........................................................
                                                                     
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 2004...........SUNRISE   543 AM MDT   SUNSET   913 PM MDT   
JUNE  1 2004..........SUNRISE   543 AM MDT   SUNSET   914 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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