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CDUS45 KMSO 160741
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
139 AM MDT SUN MAY 16 2004

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 15 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         60    603 PM  81    1973  61     -1       69       
  MINIMUM         21R   516 AM  22    1986  34    -13       35       
  AVERAGE         41                        48     -7       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.02 1952   0.07  -0.07      T      
  MONTH TO DATE    0.07                      0.91  -0.84     0.76    
  SINCE OCT 1      2.68                      5.68  -3.00     5.72    
  SINCE JAN 1      1.94                      3.76  -1.82     5.25    
                                                                     
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       24                        17      7       13       
  MONTH TO DATE  273                       290    -17      363       
  SINCE MAR 1   1850                      2148   -298     2169       
  SINCE JUL 1   8370                      8871   -501     8838       
                                                                     
 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    18   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     5.1                                         
                                                                     
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    84          M600 AM                                     
 LOWEST     19          M500 PM                                     
 AVERAGE    52                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        84      1988                    
 MINIMUM TEMPERATURE (F)   35        21      1986                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2004...........SUNRISE   556 AM MDT   SUNSET   857 PM MDT   
MAY 17 2004...........SUNRISE   555 AM MDT   SUNSET   858 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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