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CDUS45 KMSO 190951
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
348 AM MDT SUN SEP 19 2004

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

...THE BUTTE CLIMATE SUMMARY FOR SEPTEMBER 18 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         53   1216 PM  91    1981  66    -13       58       
  MINIMUM         34    242 AM   6    1965  34      0       27       
  AVERAGE         44                        50     -6       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.37          0.74 1976   0.04   0.33     0.00    
  MONTH TO DATE    0.97                      0.72   0.25     0.15    
  SINCE OCT 1     10.53                     12.41  -1.88     9.40    
  SINCE JAN 1      9.79                     10.49  -0.70     8.93    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                               
  SINCE JAN 1     MM                                               
  SINCE JUL 1     MM                                               
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        15      6       22       
  MONTH TO DATE  249                       216     33      207       
  SINCE SEP 1    249                       216     33      207       
  SINCE JUL 1    516                       510      6      307       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    1                         5     -4        0       
  SINCE SEP 1      1                         5     -4        0       
  SINCE JAN 1     53                       126    -73      178       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     4.8                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     71          1100 AM                                     
 AVERAGE    86                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        86      1956                    
 MINIMUM TEMPERATURE (F)   34        16      1983                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 19 2004.....SUNRISE   714 AM MDT   SUNSET   732 PM MDT   
SEPTEMBER 20 2004.....SUNRISE   715 AM MDT   SUNSET   731 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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