536  
CDUS45 KTFX 172340  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MST SUN DEC 17 2023  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR DECEMBER 17 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 43 145 AM 59 1976 35 8 24  
MINIMUM 32 516 AM -27 1924 16 16 0  
1983  
AVERAGE 38 25 13 12  
 
PRECIPITATION (IN)  
TODAY 0.00 0.63 1973 0.01 -0.01 T  
MONTH TO DATE 0.07 0.28 -0.21 0.72  
SINCE OCT 1 2.09 2.03 0.06 3.59  
SINCE JAN 1 17.09 14.51 2.58 14.84  
 
DEGREE DAYS  
HEATING  
TODAY 27 40 -13 53  
MONTH TO DATE 472 647 -175 788  
SINCE DEC 1 472 647 -175 788  
SINCE JUL 1 2078 2587 -509 2672  
 
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 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 800 AM  
LOWEST 32 100 AM  
AVERAGE 50  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 58 1917  
1979  
MINIMUM TEMPERATURE (F) 16 -27 1924  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 808 AM MST SUNSET 435 PM MST  
DECEMBER 18 2023......SUNRISE 808 AM MST SUNSET 436 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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