412  
CDUS43 KDLH 182126  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
426 PM CDT THU SEP 18 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 18 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 1:02 PM 84 1984 67 -6 84  
2000  
2024  
MINIMUM 58 1:01 AM 28 2020 47 11 66  
AVERAGE 60 56 4 75  
 
PRECIPITATION (IN)  
TODAY T 1.75 1905 0.12 -0.12 T  
MONTH TO DATE 1.90 2.13 -0.23 0.08  
SINCE SEP 1 1.90 2.13 -0.23 0.08  
SINCE JAN 1 17.18 23.49 -6.31 22.44  
 
SNOWFALL (IN)  
TODAY 0.0 2.4 1991 0.0 0.0 0.0  
MONTH TO DATE 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  
TODAY 5 9 -4 0  
MONTH TO DATE 131 115 16 44  
SINCE SEP 1 131 115 16 44  
SINCE JUL 1 251 229 22 97  
 
COOLING  
TODAY 0 1 -1 10  
MONTH TO DATE 10 19 -9 56  
SINCE SEP 1 10 19 -9 56  
SINCE JAN 1 230 252 -22 294    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 83 7:00 AM  
AVERAGE 90  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 90 1984  
MINIMUM TEMPERATURE (F) 46 27 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 6:51 AM CDT SUNSET 7:14 PM CDT  
SEPTEMBER 19 2025.....SUNRISE 6:52 AM CDT SUNSET 7:12 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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