000 
CDUS45 KMSO 160821
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
220 AM MDT MON MAY 16 2005

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

...THE BUTTE CLIMATE SUMMARY FOR MAY 15 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    203 PM  81    1973  61      1       60       
  MINIMUM         38    511 AM  21    2004  34      4       21       
  AVERAGE         50                        48      2       41      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.02 1952   0.07  -0.07      T      
  MONTH TO DATE    1.71                      0.91   0.80     0.07    
  SINCE OCT 1      4.47                      5.68  -1.21     2.68    
  SINCE JAN 1      3.70                      3.76  -0.06     1.94    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                              
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                        17     -2       24       
  MONTH TO DATE  296                       290      6      273       
  SINCE MAR 1   2098                      2148    -50     1850       
  SINCE JUL 1   8227                      8871   -644     8370       
                                                                     
 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    17   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     3.5                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     46          1200 PM                                     
 AVERAGE    73                                                       
..........................................................
                                                                     
THE BUTTE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        84      1988                    
 MINIMUM TEMPERATURE (F)   35        21      1986                    
                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2005...........SUNRISE   557 AM MDT   SUNSET   857 PM MDT   
MAY 17 2005...........SUNRISE   555 AM MDT   SUNSET   858 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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