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CDUS45 KMSO 170740
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT FRI MAY 17 2013


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 16 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         59   1223 PM  84    1988  61     -2       79       
  MINIMUM         44    533 AM  21    1986  34     10       39       
  AVERAGE         52                        48      4       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.20          1.05 1996   0.07   0.13     0.00    
  MONTH TO DATE    0.25                      0.87  -0.62     0.26    
  SINCE OCT 1      2.78                      5.59  -2.81     4.22    
  SINCE JAN 1      1.15                      3.70  -2.55     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                        17     -4        6       
  MONTH TO DATE  238                       314    -76      306       
  SINCE MAR 1   2140                      2136      4     1877       
  SINCE JUL 1   8518                      8705   -187     8017       
                                                                     
 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    20   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     3.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           300 AM                                     
 LOWEST     43           100 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        82      2006                    
                                             1976                    
 MINIMUM TEMPERATURE (F)   34        16      1896                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2013...........SUNRISE   555 AM MDT   SUNSET   858 PM MDT   
MAY 18 2013...........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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