AFOS product CLIBTM
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CDUS45 KMSO 290741
CLIBTM


CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA, MT                                
1240 AM MST FRI DEC 29 2017


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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 28 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         37   1159 PM  56    1917  30      7       26       
  MINIMUM         15    618 AM -35    1983   5     10       -2       
  AVERAGE         26                        17      9       12      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.33 2008   0.02  -0.02      T      
  MONTH TO DATE    0.47                      0.46   0.01     0.44    
  SINCE OCT 1      1.38                      1.84  -0.46     3.22    
  SINCE JAN 1     11.91                     12.72  -0.81    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       39                        48     -9       53       
  MONTH TO DATE 1310                      1329    -19     1488       
  SINCE DEC 1   1310                      1329    -19     1488       
  SINCE JUL 1   3705                      3819   -114     3782       
                                                                     
 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    16   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED     6.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    91           100 AM                                     
 LOWEST     52           100 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   30        55      1917                    
 MINIMUM TEMPERATURE (F)    5       -42      1978                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 29 2017......SUNRISE   812 AM MST   SUNSET   453 PM MST   
DECEMBER 30 2017......SUNRISE   812 AM MST   SUNSET   454 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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