351  
CDUS45 KTFX 160838  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
138 AM MST SAT DEC 16 2023  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 15 2023  
 
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)  
YESTERDAY  
MAXIMUM 48 200 PM 61 1962 35 13 24  
1980  
MINIMUM 18 405 AM -28 1964 16 2 10  
AVERAGE 33 26 7 17  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55 1921 0.02 -0.02 0.00  
MONTH TO DATE 0.07 0.25 -0.18 0.72  
SINCE OCT 1 2.09 2.00 0.09 3.59  
SINCE JAN 1 17.09 14.48 2.61 14.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1921 0.3 -0.3 0.0  
MONTH TO DATE 1.1 4.3 -3.2 14.8  
SINCE DEC 1 1.1 4.3 -3.2 14.8  
SINCE JUL 1 12.3 19.8 -7.5 36.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 39 -7 48  
MONTH TO DATE 425 567 -142 692  
SINCE DEC 1 425 567 -142 692  
SINCE JUL 1 2031 2507 -476 2576  
 
COOLING  
YESTERDAY 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 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 500 AM  
LOWEST 40 200 PM  
AVERAGE 64  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 63 1980  
MINIMUM TEMPERATURE (F) 16 -36 1964  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 807 AM MST SUNSET 435 PM MST  
DECEMBER 17 2023......SUNRISE 808 AM MST SUNSET 435 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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