AFOS product CLIBTM
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CDUS45 KMSO 310737
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT WED MAY 31 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 30 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         78    305 PM  87    1986  65     13       62       
  MINIMUM         38    457 AM  24    1920  38      0       35       
  AVERAGE         58                        51      7       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.12 1988   0.09  -0.09     0.00    
  MONTH TO DATE    1.57                      1.99  -0.42     1.45    
  SINCE OCT 1      8.53                      6.71   1.82     6.27    
  SINCE JAN 1      5.31                      4.82   0.49     3.53    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                        14     -7       16       
  MONTH TO DATE  501                       528    -27      541       
  SINCE MAR 1   2099                      2350   -251     2159       
  SINCE JUL 1   8883                      8919    -36     8556       
                                                                     
 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    23   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     6.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           500 AM                                     
 LOWEST     21           100 PM                                     
 AVERAGE    53                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        84      1986                    
 MINIMUM TEMPERATURE (F)   38        24      1950                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 31 2017...........SUNRISE   543 AM MDT   SUNSET   913 PM MDT   
JUNE  1 2017..........SUNRISE   543 AM MDT   SUNSET   914 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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