000 
CDUS45 KMSO 220744
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
143 AM MDT SUN MAY 22 2005

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 21 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    500 PM  84    1919  62      0       56       
  MINIMUM         36    549 AM  12    1938  36      0       37       
  AVERAGE         49                        49      0       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.03 1981   0.07  -0.07     0.23    
  MONTH TO DATE    2.48                      1.33   1.15     1.43    
  SINCE OCT 1      5.24                      6.10  -0.86     4.04    
  SINCE JAN 1      4.47                      4.18   0.29     3.30    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    MM                                               
  SINCE JAN 1      MM                                               
  SINCE JUL 1      MM                                               
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                        16      0       18       
  MONTH TO DATE  391                       389      2      386       
  SINCE MAR 1   2193                      2247    -54     1963       
  SINCE JUL 1   8322                      8970   -648     8483       
                                                                     
 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    18   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     6.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           500 AM                                     
 LOWEST     25           600 PM                                     
 AVERAGE    57                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        83      1919                    
 MINIMUM TEMPERATURE (F)   36        19      1916                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 22 2005...........SUNRISE   550 AM MDT   SUNSET   904 PM MDT   
MAY 23 2005...........SUNRISE   549 AM MDT   SUNSET   905 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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