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CDUS45 KMSO 300900
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1239 AM MST SAT DEC 30 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 29 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         38    324 AM  55    1917  30      8       27       
  MINIMUM         15   1107 PM -42    1978   5     10       -9       
  AVERAGE         27                        18      9        9      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04          0.31 1897   0.02   0.02     0.00    
  MONTH TO DATE    0.51                      0.48   0.03     0.44    
  SINCE OCT 1      1.42                      1.86  -0.44     3.22    
  SINCE JAN 1     11.95                     12.74  -0.79    10.60    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE JAN 1     MM                                                 
  SINCE JUL 1     MM                                                 
  SNOW DEPTH      MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       38                        47     -9       56       
  MONTH TO DATE 1348                      1376    -28     1544       
  SINCE DEC 1   1348                      1376    -28     1544       
  SINCE JUL 1   3743                      3866   -123     3838       
                                                                     
 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    17   HIGHEST WIND DIRECTION     S (160)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     6.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           900 AM                                     
 LOWEST     64          1200 AM                                     
 AVERAGE    80                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   30        55      1917                    
 MINIMUM TEMPERATURE (F)    6       -42      1978                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 30 2017......SUNRISE   812 AM MST   SUNSET   454 PM MST   
DECEMBER 31 2017......SUNRISE   812 AM MST   SUNSET   455 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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