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CDUS45 KMSO 180746
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST SAT DEC 18 2004

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

...THE BUTTE CLIMATE SUMMARY FOR DECEMBER 17 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         42    350 PM  53    1980  29     13       36       
  MINIMUM         18    118 AM -38    1964   5     13        8       
  AVERAGE         30                        17     13       22      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.20 1982   0.01  -0.01     0.00    
  MONTH TO DATE    0.02                      0.31  -0.29     0.32    
  SINCE OCT 1      0.42                      1.70  -1.28     0.69    
  SINCE JAN 1     10.59                     12.56  -1.97     9.62    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                              
  SINCE JUL 1     MM                                               
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       35                        48    -13       43       
  MONTH TO DATE  615                       788   -173      683       
  SINCE DEC 1    615                       788   -173      683       
  SINCE JUL 1   3130                      3377   -247     3103       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1     53                       127    -74      178       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     3.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1100 PM                                     
 LOWEST     57           300 PM                                     
 AVERAGE    79                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        55      1979                    
 MINIMUM TEMPERATURE (F)    5       -32      1924                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 18 2004......SUNRISE   807 AM MST   SUNSET   446 PM MST   
DECEMBER 19 2004......SUNRISE   808 AM MST   SUNSET   447 PM MST   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          


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