229  
CDUS45 KTFX 190739  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
139 AM MDT THU OCT 19 2023  
   
...............................
 
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR OCTOBER 18 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 69 248 PM 81 2003 56 13 76  
MINIMUM 38 1210 AM 6 1905 32 6 36  
AVERAGE 54 44 10 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 1910 0.04 -0.04 0.00  
MONTH TO DATE 0.65 0.69 -0.04 0.52  
SINCE OCT 1 0.65 0.69 -0.04 0.52  
SINCE JAN 1 15.65 13.17 2.48 11.77  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.2 2020 0.2 -0.2 0.0  
MONTH TO DATE 0.0 2.4 -2.4 0.0  
SINCE SEP 1 0.0 3.2 -3.2 0.0  
SINCE JUL 1 0.0 3.5 -3.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 21 -10 9  
MONTH TO DATE 217 316 -99 210  
SINCE SEP 1 380 574 -194 360  
SINCE JUL 1 420 688 -268 373  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 29 25 4 74  
SINCE JAN 1 333 308 25 535    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 17.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 1200 AM  
LOWEST 35 700 AM  
AVERAGE 46  
   
......................................................
 
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 81 1974  
MINIMUM TEMPERATURE (F) 31 2 1905  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 750 AM MDT SUNSET 630 PM MDT  
OCTOBER 20 2023.......SUNRISE 751 AM MDT SUNSET 629 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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