488  
CDUS43 KDLH 100627  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
127 AM CDT FRI OCT 10 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR OCTOBER 9 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 64 1:59 PM 80 2020 56 8 60  
MINIMUM 37 2:45 AM 20 1972 38 -1 35  
AVERAGE 51 47 4 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 2.55 1973 0.10 -0.02 0.00  
MONTH TO DATE 0.10 0.96 -0.86 0.01  
SINCE SEP 1 2.63 4.44 -1.81 0.32  
SINCE JAN 1 17.91 25.80 -7.89 22.68  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 1967 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 0.0 0.3 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 18 -4 17  
MONTH TO DATE 81 144 -63 116  
SINCE SEP 1 266 398 -132 197  
SINCE JUL 1 386 512 -126 250  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 0 11 0  
SINCE SEP 1 26 21 5 70  
SINCE JAN 1 246 254 -8 308    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 8:00 PM  
LOWEST 39 12:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 82 1938  
MINIMUM TEMPERATURE (F) 38 18 1906  
 
SUNRISE AND SUNSET  
OCTOBER 10 2025.......SUNRISE 7:20 AM CDT SUNSET 6:30 PM CDT  
OCTOBER 11 2025.......SUNRISE 7:21 AM CDT SUNSET 6:28 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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