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CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT WED MAY 22 2013


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 21 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         67    215 PM  84    1919  63      4       77       
  MINIMUM         34    524 AM  12    1938  36     -2       43       
  AVERAGE         51                        49      2       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.02          1.03 1981   0.08  -0.06     0.08    
  MONTH TO DATE    0.55                      1.23  -0.68     0.37    
  SINCE OCT 1      3.08                      5.95  -2.87     4.33    
  SINCE JAN 1      1.45                      4.06  -2.61     3.07    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       14                        16     -2        5       
  MONTH TO DATE  320                       396    -76      382       
  SINCE MAR 1   2222                      2218      4     1953       
  SINCE JUL 1   8600                      8787   -187     8093       
                                                                     
 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    32   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     E (80)       
  AVERAGE WIND SPEED    11.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           200 AM                                     
 LOWEST     34           100 PM                                     
 AVERAGE    63                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        83      1919                    
 MINIMUM TEMPERATURE (F)   36        19      1916                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 22 2013...........SUNRISE   550 AM MDT   SUNSET   904 PM MDT   
MAY 23 2013...........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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