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CDUS45 KMSO 200745
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
143 AM MDT FRI MAY 20 2005

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 19 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         62    426 PM  85    1954  62      0       54       
  MINIMUM         44    618 AM  22    2003  35      9       39       
  AVERAGE         53                        49      4       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.08          1.22 1938   0.07   0.01      T      
  MONTH TO DATE    2.40                      1.19   1.21     0.89    
  SINCE OCT 1      5.16                      5.96  -0.80     3.50    
  SINCE JAN 1      4.39                      4.04   0.35     2.76    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                               
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                        16     -4       18       
  MONTH TO DATE  360                       357      3      350       
  SINCE MAR 1   2162                      2215    -53     1927       
  SINCE JUL 1   8291                      8938   -647     8447       
                                                                     
 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    26   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     8.1                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    68          1000 AM                                     
 LOWEST     32           400 PM                                     
 AVERAGE    50                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        83      1919                    
 MINIMUM TEMPERATURE (F)   36        23      2003                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2005...........SUNRISE   552 AM MDT   SUNSET   901 PM MDT   
MAY 21 2005...........SUNRISE   551 AM MDT   SUNSET   903 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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