302  
CDUS43 KDLH 140750  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
150 AM CST SUN DEC 14 2025  
   
...............................  
 
   
..THE DULUTH CLIMATE SUMMARY FOR DECEMBER 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 -6 4:07 PM 52 1913 25 -31 15  
MINIMUM -16 8:22 AM -23 1903 10 -26 -10  
AVERAGE -11 18 -29 3  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 1995 0.05 -0.05 0.00  
MONTH TO DATE 0.36 0.66 -0.30 0.43  
SINCE DEC 1 0.36 0.66 -0.30 0.43  
SINCE JAN 1 20.00 30.37 -10.37 27.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.8 1995 0.6 -0.6 0.0  
MONTH TO DATE 5.4 7.8 -2.4 3.2  
SINCE DEC 1 5.4 7.8 -2.4 3.2  
SINCE JUL 1 22.1 24.7 -2.6 10.3  
SNOW DEPTH 10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 76 47 29 62  
MONTH TO DATE 756 583 173 635  
SINCE DEC 1 756 583 173 635  
SINCE JUL 1 2584 2654 -70 2127  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 246 255 -9 308    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 3:00 AM  
LOWEST 60 12:00 PM  
AVERAGE 69  
   
......................................................  
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 25 52 1894  
MINIMUM TEMPERATURE (F) 10 -26 1901  
 
SUNRISE AND SUNSET  
DECEMBER 14 2025......SUNRISE 7:47 AM CST SUNSET 4:21 PM CST  
DECEMBER 15 2025......SUNRISE 7:47 AM CST SUNSET 4:21 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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