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CDUS45 KMSO 210811
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
210 AM MDT FRI MAY 21 2004

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 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         60    553 PM  83    1919  62     -2       60       
  MINIMUM         33    536 AM  23    2003  36     -3       23       
  AVERAGE         47                        49     -2       42      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.31          1.20 1902   0.07   0.24     0.00    
  MONTH TO DATE    1.20                      1.26  -0.06     0.76    
  SINCE OCT 1      3.81                      6.03  -2.22     5.72    
  SINCE JAN 1      3.07                      4.11  -1.04     5.25    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1      0.0                                               
  SINCE JUL 1      0.0                                               
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                        16      2       23       
  MONTH TO DATE  368                       373     -5      497       
  SINCE MAR 1   1945                      2231   -286     2303       
  SINCE JUL 1   8465                      8954   -489     8972       
                                                                     
 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    16   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     5.7                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          M200 AM                                     
 LOWEST     37          M300 PM                                     
 AVERAGE    69                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        84      1919                    
 MINIMUM TEMPERATURE (F)   36        12      1938                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 21 2004...........SUNRISE   551 AM MDT   SUNSET   903 PM MDT   
MAY 22 2004...........SUNRISE   550 AM MDT   SUNSET   904 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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