536  
CDUS45 KTFX 212340  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST THU DEC 21 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 55 144 PM 65 1933 35 20 -19  
MINIMUM 36 429 AM -35 1990 15 21 -31  
AVERAGE 46 25 21 -25  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 1945 0.02 -0.02 0.01  
MONTH TO DATE 0.08 0.35 -0.27 0.84  
SINCE OCT 1 2.10 2.10 0.00 3.71  
SINCE JAN 1 17.10 14.58 2.52 14.96  
 
DEGREE DAYS  
HEATING  
TODAY 19 40 -21 90  
MONTH TO DATE 553 807 -254 1107  
SINCE DEC 1 553 807 -254 1107  
SINCE JUL 1 2159 2747 -588 2991  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 337 310 27 535    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 14.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 500 AM  
LOWEST 41 1200 PM  
AVERAGE 59  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 57 1933  
MINIMUM TEMPERATURE (F) 15 -32 2022  
 
SUNRISE AND SUNSET  
DECEMBER 21 2023......SUNRISE 810 AM MST SUNSET 437 PM MST  
DECEMBER 22 2023......SUNRISE 811 AM MST SUNSET 437 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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