000 
CDUS45 KMSO 190742
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
141 AM MDT THU MAY 19 2005

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 18 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         57    200 PM  83    1954  61     -4       48       
  MINIMUM         34        MM  21    1960  35     -1       40        
  AVERAGE         46                        48     -2       44      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.09 1944   0.07  -0.07     0.41    
  MONTH TO DATE    2.32                      1.12   1.20     0.89    
  SINCE OCT 1      5.08                      5.89  -0.81     3.50    
  SINCE JAN 1      4.31                      3.97   0.34     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       19                        17      2       21       
  MONTH TO DATE  348                       341      7      332       
  SINCE MAR 1   2150                      2199    -49     1909       
  SINCE JUL 1   8279                      8922   -643     8429       
                                                                     
 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    10   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     4.0                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           200 AM                                     
 LOWEST     43          1200 PM                                     
 AVERAGE    68                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        85      1954                    
 MINIMUM TEMPERATURE (F)   35        22      2003                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 19 2005...........SUNRISE   553 AM MDT   SUNSET   900 PM MDT   
MAY 20 2005...........SUNRISE   552 AM MDT   SUNSET   901 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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