578  
CDUS43 KDLH 140643  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
143 AM CDT THU AUG 14 2025  
   
...............................  
 
   
..THE DULUTH CLIMATE SUMMARY FOR AUGUST 13 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1870 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 4:26 PM 91 1970 77 -3 84  
MINIMUM 54 5:01 AM 37 1964 56 -2 56  
AVERAGE 64 66 -2 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.25 1889 0.13 -0.13 0.00  
MONTH TO DATE 0.06 1.54 -1.48 1.13  
SINCE JUN 1 6.75 9.85 -3.10 10.19  
SINCE JAN 1 13.81 19.17 -5.36 20.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1989 0.0 0.0 0.0  
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 1 2 -1 0  
MONTH TO DATE 5 17 -12 24  
SINCE JUN 1 213 219 -6 155  
SINCE JUL 1 59 67 -8 44  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 53 42 11 32  
SINCE JUN 1 185 188 -3 192  
SINCE JAN 1 196 195 1 193    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 PM  
LOWEST 48 3:00 PM  
AVERAGE 72  
   
......................................................  
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1938  
1961  
2015  
MINIMUM TEMPERATURE (F) 56 36 1964  
 
SUNRISE AND SUNSET  
AUGUST 14 2025........SUNRISE 6:06 AM CDT SUNSET 8:20 PM CDT  
AUGUST 15 2025........SUNRISE 6:07 AM CDT SUNSET 8:19 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MN Page
The Nexlab WI Page
Main Text Page