533 
CDUS45 KMSO 110738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT TUE MAY 11 2004

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 10 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         56    349 PM  81    1940  59     -3       48       
  MINIMUM         34    120 AM  18    1946  33      1       30       
  AVERAGE         45                        46     -1       39      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.03 1967   0.06  -0.06     0.00    
  MONTH TO DATE    T                         0.57  -0.57     0.50    
  SINCE OCT 1      2.61                      5.34  -2.73     5.46    
  SINCE JAN 1      1.87                      3.42  -1.55     4.99    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    0.0                                               
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                        19      1       26       
  MONTH TO DATE  129                       200    -71      267       
  SINCE MAR 1   1706                      2058   -352     2073       
  SINCE JUL 1   8226                      8781   -555     8742       
                                                                     
 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    20   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     6.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    76          M900 PM                                     
 LOWEST     37          M900 AM                                     
 AVERAGE    57                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   59        81      1960                    
 MINIMUM TEMPERATURE (F)   33        15      1967                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 11 2004...........SUNRISE   602 AM MDT   SUNSET   851 PM MDT   
MAY 12 2004...........SUNRISE   601 AM MDT   SUNSET   852 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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