000 
CDUS45 KMSO 210741
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
140 AM MDT SAT AUG 21 2004

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

...THE BUTTE CLIMATE SUMMARY FOR AUGUST 20 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         76    516 PM  91    1973  78     -2       83       
  MINIMUM         48    635 AM  31    1938  43      5       53       
  AVERAGE         62                        61      1       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.69 1923   0.04  -0.04      T      
  MONTH TO DATE    0.84                      0.92  -0.08     0.69    
  SINCE OCT 1      8.38                     11.25  -2.87     8.19    
  SINCE JAN 1      7.64                      9.33  -1.69     7.72    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    0.0                                               
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                         6     -3        0       
  MONTH TO DATE   55                        88    -33       12       
  SINCE JUN 1    470                       495    -25      361       
  SINCE JUL 1    158                       217    -59       57       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         2     -2        3       
  MONTH TO DATE   12                        40    -28       58       
  SINCE JUN 1     52                       104    -52      169       
  SINCE JAN 1     52                       104    -52      172       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     5.7                                         
                                                                     
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    93           200 AM                                     
 LOWEST     31           500 PM                                     
 AVERAGE    62                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   77        91      1969                    
 MINIMUM TEMPERATURE (F)   43        29      1966                    
                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 21 2004........SUNRISE   638 AM MDT   SUNSET   827 PM MDT   
AUGUST 22 2004........SUNRISE   639 AM MDT   SUNSET   826 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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