143  
CDUS43 KDLH 170645  
CLIINL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
145 AM CDT SUN AUG 17 2025  
   
...............................  
 
   
..THE INTERNATIONAL FALLS CLIMATE SUMMARY FOR AUGUST 16 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 71 4:13 PM 93 1971 76 -5 71  
MINIMUM 55 5:41 AM 41 1958 50 5 63  
2012  
AVERAGE 63 63 0 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.82 1988 0.08 -0.06 0.17  
MONTH TO DATE 0.67 1.42 -0.75 0.67  
SINCE JUN 1 10.43 9.17 1.26 8.91  
SINCE JAN 1 15.81 16.37 -0.56 17.61  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 18 43 -25 40  
SINCE JUN 1 234 278 -44 218  
SINCE JUL 1 80 118 -38 69  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 42 32 10 6  
SINCE JUN 1 143 137 6 130  
SINCE JAN 1 195 145 50 130    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 70  
   
......................................................  
 
THE INTERNATIONAL FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 92 2021  
MINIMUM TEMPERATURE (F) 50 35 1954  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 6:10 AM CDT SUNSET 8:24 PM CDT  
AUGUST 18 2025........SUNRISE 6:12 AM CDT SUNSET 8:22 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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