AFOS product CLIBTM
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CDUS45 KMSO 140738
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1238 AM MST THU DEC 14 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 13 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         31    706 PM  60    1924  29      2       26       
  MINIMUM         23   1118 PM -25    1919   5     18        6       
  AVERAGE         27                        17     10       16      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.07          0.30 1901   0.02   0.05      T      
  MONTH TO DATE    0.10                      0.22  -0.12     0.03    
  SINCE OCT 1      1.01                      1.60  -0.59     2.81    
  SINCE JAN 1     11.54                     12.48  -0.94    10.19    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        48    -10       49       
  MONTH TO DATE  552                       609    -57      643       
  SINCE DEC 1    552                       609    -57      643       
  SINCE JUL 1   2947                      3099   -152     2937       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1    129                        81     48       57       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     3.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1100 PM                                     
 LOWEST     68           200 AM                                     
 AVERAGE    80                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   29        55      1924                    
 MINIMUM TEMPERATURE (F)    5       -26      1967                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 14 2017......SUNRISE   804 AM MST   SUNSET   445 PM MST   
DECEMBER 15 2017......SUNRISE   805 AM MST   SUNSET   445 PM MST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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