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CDUS45 KMSO 200757
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1254 AM MST MON DEC 20 2004

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

...THE BUTTE CLIMATE SUMMARY FOR DECEMBER 19 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         52R   337 PM  51    1917  29     23       34       
  MINIMUM         17    811 AM -27    1945   5     12        2       
  AVERAGE         35                        17     18       18      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.60 1925   0.01  -0.01     0.00    
  MONTH TO DATE    0.02                      0.33  -0.31     0.32    
  SINCE OCT 1      0.42                      1.72  -1.30     0.69    
  SINCE JAN 1     10.59                     12.58  -1.99     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       30                        48    -18       47       
  MONTH TO DATE  681                       884   -203      782       
  SINCE DEC 1    681                       884   -203      782       
  SINCE JUL 1   3196                      3473   -277     3202       
                                                                     
 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    21   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     7.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     35           400 PM                                     
 AVERAGE    68                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        49      1958                    
 MINIMUM TEMPERATURE (F)    5       -36      1998                    
                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 20 2004......SUNRISE   808 AM MST   SUNSET   447 PM MST   
DECEMBER 21 2004......SUNRISE   809 AM MST   SUNSET   448 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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