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CDUS45 KMSO 170751
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
151 AM MDT MON MAY 17 2004

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 16 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         49    125 AM  84    1988  61    -12       54       
  MINIMUM         38   1224 PM  21    1986  35      3       30       
  AVERAGE         44                        48     -4       42      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.34          1.05 1996   0.07   0.27      T      
  MONTH TO DATE    0.41                      0.98  -0.57     0.76    
  SINCE OCT 1      3.02                      5.75  -2.73     5.72    
  SINCE JAN 1      2.28                      3.83  -1.55     5.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH    1000                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       21                        17      4       23       
  MONTH TO DATE  294                       307    -13      386       
  SINCE MAR 1   1871                      2165   -294     2192       
  SINCE JUL 1   8391                      8888   -497     8861       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE MAR 1      0                         0      0        0       
  SINCE JAN 1      0                         0      0        0       
..................................................................

WIND (MPH)                                                           
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     9.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1100 AM                                     
 LOWEST     46          1200 AM                                     
 AVERAGE    73                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        82      1976                    
 MINIMUM TEMPERATURE (F)   35        16      1896                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2004...........SUNRISE   555 AM MDT   SUNSET   858 PM MDT   
MAY 18 2004...........SUNRISE   554 AM MDT   SUNSET   859 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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