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CDUS45 KMSO 230739
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
139 AM MDT TUE MAY 23 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 22 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         69    141 PM  83    1919  63      6       54       
  MINIMUM         34    517 AM  19    1916  36     -2       32       
  AVERAGE         52                        49      3       43      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.64 1981   0.08  -0.08     0.01    
  MONTH TO DATE    1.54                      1.31   0.23     0.93    
  SINCE OCT 1      8.50                      6.03   2.47     5.75    
  SINCE JAN 1      5.28                      4.14   1.14     3.01    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                        16     -3       22       
  MONTH TO DATE  400                       412    -12      395       
  SINCE MAR 1   1998                      2234   -236     2013       
  SINCE JUL 1   8782                      8803    -21     8410       
                                                                     
 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    18   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     6.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           600 AM                                     
 LOWEST     24           200 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        84      1929                    
 MINIMUM TEMPERATURE (F)   36        19      1986                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 23 2017...........SUNRISE   549 AM MDT   SUNSET   905 PM MDT   
MAY 24 2017...........SUNRISE   548 AM MDT   SUNSET   906 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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