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CDUS45 KMSO 130838
CLIBTM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
138 AM MST WED DEC 13 2023

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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 12 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         32    409 PM  60    1924  30      2       29       
  MINIMUM         12   1054 PM -28    1919   7      5        6       
  AVERAGE         22                        19      3       18     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             0.40 1906   0.02  -0.02      T       
  MONTH TO DATE    0.15                      0.19  -0.04     0.27     
  SINCE JAN 1     17.10                     12.47   4.63     9.46     

SNOWFALL (IN)                                                              
  YESTERDAY       MM                                                  
  MONTH TO DATE    T                                                  
  SINCE DEC 1      T                                                  
  SINCE JUL 1      0.0                                                
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       43                        46     -3       47        
  MONTH TO DATE  419                       539   -120      574        
  SINCE DEC 1    419                       539   -120      574        
  SINCE JUL 1   2592                      2994   -402     2924        

 COOLING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE DEC 1      0                         0      0        0        
  SINCE JAN 1     73                        83    -10      177        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     W (280)       
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     W (260)       
  AVERAGE WIND SPEED     3.7                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.7                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           400 AM                                      
 LOWEST     66           400 PM                                      
 AVERAGE    79                                                        

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   30        60      1924                      
 MINIMUM TEMPERATURE (F)    7       -25      1919                      


SUNRISE AND SUNSET                                                    
DECEMBER 13 2023......SUNRISE   803 AM MST   SUNSET   445 PM MST     
DECEMBER 14 2023......SUNRISE   804 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.




$$