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CDUS45 KMSO 160740
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT THU MAY 16 2013


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 15 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         68    218 PM  83    2012  61      7       83       
  MINIMUM         36    534 AM  21    2004  34      2       44       
  AVERAGE         52                        47      5       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          1.02 1952   0.06  -0.06     0.00    
  MONTH TO DATE    0.05                      0.80  -0.75     0.26    
  SINCE OCT 1      2.58                      5.52  -2.94     4.22    
  SINCE JAN 1      0.95                      3.63  -2.68     2.96    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                        18     -5        1       
  MONTH TO DATE  225                       297    -72      300       
  SINCE MAR 1   2127                      2119      8     1871       
  SINCE JUL 1   8505                      8688   -183     8011       
                                                                     
 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    21   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    70           500 AM                                     
 LOWEST     19           200 PM                                     
 AVERAGE    45                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        84      1988                    
 MINIMUM TEMPERATURE (F)   34        21      1986                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 16 2013...........SUNRISE   556 AM MDT   SUNSET   857 PM MDT   
MAY 17 2013...........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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