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CDUS45 KMSO 130737
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
137 AM MDT SAT MAY 13 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR MAY 12 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   1255 PM  82    2001  60     18       67       
                                      1960                          
  MINIMUM         33   1159 PM  16    1985  33      0       27       
  AVERAGE         56                        46     10       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01          1.50 1900   0.06  -0.05      T      
  MONTH TO DATE    0.27                      0.62  -0.35     0.21    
  SINCE OCT 1      7.23                      5.34   1.89     5.03    
  SINCE JAN 1      4.01                      3.45   0.56     2.29    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                        19    -10       18       
  MONTH TO DATE  168                       243    -75      204       
  SINCE MAR 1   1766                      2065   -299     1822       
  SINCE JUL 1   8550                      8634    -84     8219       
                                                                     
 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    39   HIGHEST WIND DIRECTION    SE (150)      
  HIGHEST GUST SPEED    47   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED    12.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  THUNDERSTORM                                                       
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  LIGHT SNOW                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           800 PM                                     
 LOWEST     16           400 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        84      1993                    
 MINIMUM TEMPERATURE (F)   33        18      1983                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 13 2017...........SUNRISE   600 AM MDT   SUNSET   853 PM MDT   
MAY 14 2017...........SUNRISE   559 AM MDT   SUNSET   855 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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