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CDUS45 KMSO 310838
CLIBTM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
138 AM MST SUN DEC 31 2023

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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 30 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         42    301 PM  55    1917  31     11       37       
  MINIMUM          7    616 AM -42    1978   7      0       19       
  AVERAGE         25                        19      6       28     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.22 2004   0.01  -0.01      T       
  MONTH TO DATE    0.31                      0.46  -0.15     0.46     
  SINCE JAN 1     17.26                     12.74   4.52     9.65     

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

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       40                        46     -6       37        
  MONTH TO DATE 1184                      1381   -197     1452        
  SINCE DEC 1   1184                      1381   -197     1452        
  SINCE JUL 1   3357                      3836   -479     3802        

 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     8   HIGHEST WIND DIRECTION     S (160)       
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION     S (160)       
  AVERAGE WIND SPEED     1.9                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.1                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           900 AM                                      
 LOWEST     49           300 PM                                      
 AVERAGE    71                                                        

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   31        53      1917                      
 MINIMUM TEMPERATURE (F)    7       -39      1978                      


SUNRISE AND SUNSET                                                    
DECEMBER 31 2023......SUNRISE   812 AM MST   SUNSET   454 PM MST     
JANUARY  1 2024.......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.




$$