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CDUS45 KMSO 170740
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT TUE MAY 17 2005

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 16 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         61   1207 PM  84    1988  61      0       49       
  MINIMUM         45   1159 PM  21    1986  35     10       38       
  AVERAGE         53                        48      5       44      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.47          1.05 1996   0.07   0.40     0.34    
  MONTH TO DATE    2.18                      0.98   1.20     0.41    
  SINCE OCT 1      4.94                      5.75  -0.81     3.02    
  SINCE JAN 1      4.17                      3.83   0.34     2.28    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                        17     -5       21       
  MONTH TO DATE  308                       307      1      294       
  SINCE MAR 1   2110                      2165    -55     1871       
  SINCE JUL 1   8239                      8888   -649     8391       
                                                                     
 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    24   HIGHEST WIND DIRECTION    SE (120)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     5.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           700 PM                                     
 LOWEST     62           800 AM                                     
 AVERAGE    79                                                       
..........................................................
                                                                     
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 2005...........SUNRISE   555 AM MDT   SUNSET   858 PM MDT   
MAY 18 2005...........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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