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CDUS45 KMSO 180739
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
138 AM MDT THU MAY 18 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 17 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         34   1159 PM  82    2006  62    -28       65       
                                      1976                          
  MINIMUM         31   1101 AM  16    1896  34     -3       32       
  AVERAGE         33                        48    -15       49      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.68          0.70 1902   0.07   0.61     0.00    
  MONTH TO DATE    1.50                      0.94   0.56     0.29    
  SINCE OCT 1      8.46                      5.66   2.80     5.11    
  SINCE JAN 1      5.24                      3.77   1.47     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       32                        17     15       16       
  MONTH TO DATE  304                       331    -27      305       
  SINCE MAR 1   1902                      2153   -251     1923       
  SINCE JUL 1   8686                      8722    -36     8320       
                                                                     
 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    21   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     7.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         
  HEAVY SNOW                                                         
  SNOW                                                               
  LIGHT SNOW                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           100 AM                                     
 LOWEST     85          1000 AM                                     
 AVERAGE    91                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   62        84      2009                    
 MINIMUM TEMPERATURE (F)   35        21      1960                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2017...........SUNRISE   554 AM MDT   SUNSET   859 PM MDT   
MAY 19 2017...........SUNRISE   553 AM MDT   SUNSET   900 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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