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CDUS45 KMSO 160740
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT TUE MAY 16 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 15 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         51    147 PM  83    2012  61    -10       44       
  MINIMUM         32   1144 PM  21    2004  34     -2       36       
  AVERAGE         42                        47     -5       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             1.02 1952   0.06  -0.06     0.08    
  MONTH TO DATE    0.27                      0.80  -0.53     0.29    
  SINCE OCT 1      7.23                      5.52   1.71     5.11    
  SINCE JAN 1      4.01                      3.63   0.38     2.37    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       23                        18      5       25       
  MONTH TO DATE  248                       297    -49      269       
  SINCE MAR 1   1846                      2119   -273     1887       
  SINCE JUL 1   8630                      8688    -58     8284       
                                                                     
 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    17   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     5.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89          1100 PM                                     
 LOWEST     38           200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
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 2017...........SUNRISE   556 AM MDT   SUNSET   857 PM MDT   
MAY 17 2017...........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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