000 
CDUS45 KMSO 181512
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
811 AM MST SUN DEC 18 2005

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

...THE BUTTE CLIMATE SUMMARY FOR DECEMBER 17 2005...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1895 TO 2005

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM          8   1214 AM  53    1980  29    -21       42       
  MINIMUM        -15   1128 PM -38    1964   5    -20       18       
  AVERAGE         -3                        17    -20       30      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.20 1982   0.01  -0.01     0.00    
  MONTH TO DATE    0.23                      0.31  -0.08     0.02    
  SINCE OCT 1      2.21                      1.70   0.51     0.42    
  SINCE JAN 1     12.86                     12.56   0.30    10.59    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       68                        48     20       35       
  MONTH TO DATE  987                       788    199      615       
  SINCE DEC 1    987                       788    199      615       
  SINCE JUL 1   3405                      3377     28     3130       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1     69                       127    -58       53       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     2.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87          1200 PM                                     
 LOWEST     69           100 AM                                     
 AVERAGE    78                                                       
..........................................................
                                                                     
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 2005......SUNRISE   807 AM MST   SUNSET   446 PM MST   
DECEMBER 19 2005......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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