AFOS product CLIBTM
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CDUS45 KMSO 200847
CLIBTM

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MISSOULA MT
147 AM MST WED DEC 20 2023

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

...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 19 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         46    135 PM  52    2004  30     16       27       
  MINIMUM         20    438 AM -27    1945   6     14      -13       
  AVERAGE         33                        18     15        7     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          0.60 1925   0.01  -0.01     0.00     
  MONTH TO DATE    0.15                      0.29  -0.14     0.35     
  SINCE JAN 1     17.10                     12.57   4.53     9.54     

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

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       32                        47    -15       58        
  MONTH TO DATE  694                       866   -172      960        
  SINCE DEC 1    694                       866   -172      960        
  SINCE JUL 1   2867                      3321   -454     3310        

 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    12   HIGHEST WIND DIRECTION     S (160)       
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     S (160)       
  AVERAGE WIND SPEED     2.1                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.6                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  HAZE                                                                


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           400 AM                                      
 LOWEST     45           200 PM                                      
 AVERAGE    65                                                        

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   30        49      1958                      
 MINIMUM TEMPERATURE (F)    6       -36      1998                      


SUNRISE AND SUNSET                                                    
DECEMBER 20 2023......SUNRISE   808 AM MST   SUNSET   447 PM MST     
DECEMBER 21 2023......SUNRISE   809 AM MST   SUNSET   447 PM MST     


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




$$