979  
CDUS43 KDLH 160635  
CLIINL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
135 AM CDT TUE SEP 16 2025  
   
...............................  
 
   
..THE INTERNATIONAL FALLS CLIMATE SUMMARY FOR SEPTEMBER 15 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1895 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 1:48 PM 84 1920 67 16 83  
MINIMUM 59 3:13 AM 19 2011 42 17 62  
AVERAGE 71 55 16 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.50 2004 0.11 -0.11 0.00  
MONTH TO DATE 1.24 1.56 -0.32 0.31  
SINCE SEP 1 1.24 1.56 -0.32 0.31  
SINCE JAN 1 17.63 19.33 -1.70 19.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 0  
MONTH TO DATE 140 127 13 64  
SINCE SEP 1 140 127 13 64  
SINCE JUL 1 283 317 -34 146  
 
COOLING  
YESTERDAY 6 0 6 8  
MONTH TO DATE 11 10 1 26  
SINCE SEP 1 11 10 1 26  
SINCE JAN 1 217 172 45 193    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 2:00 AM  
LOWEST 56 5:00 PM  
AVERAGE 78  
   
......................................................  
 
THE INTERNATIONAL FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 2018  
MINIMUM TEMPERATURE (F) 42 23 2011  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2025.....SUNRISE 6:52 AM CDT SUNSET 7:23 PM CDT  
SEPTEMBER 17 2025.....SUNRISE 6:54 AM CDT SUNSET 7:21 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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