247  
CDUS45 KTFX 180744  
CLIGTF  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
144 AM MDT WED SEP 18 2024  
   
...............................  
 
   
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 17 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1886 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 149 PM 92 2009 71 0 88  
MINIMUM 45 611 AM 26 1965 43 2 48  
AVERAGE 58 57 1 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.09 1988 0.04 0.00 0.00  
1996  
MONTH TO DATE 1.11 0.77 0.34 0.86  
SINCE OCT 1 14.16 14.20 -0.04 17.11  
SINCE JAN 1 12.06 11.92 0.14 13.34  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1988 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 T 0.5 -0.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 9 -2 0  
MONTH TO DATE 57 113 -56 38  
SINCE SEP 1 57 113 -56 38  
SINCE JUL 1 108 227 -119 78  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 43 21 22 22  
SINCE SEP 1 43 21 22 22  
SINCE JAN 1 367 304 63 326    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 47 200 PM  
AVERAGE 74  
   
......................................................  
 
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 93 1981  
MINIMUM TEMPERATURE (F) 42 23 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 708 AM MDT SUNSET 730 PM MDT  
SEPTEMBER 19 2024.....SUNRISE 709 AM MDT SUNSET 728 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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