026  
CDUS43 KDLH 120638  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
138 AM CDT FRI SEP 12 2025  
   
...............................  
 
   
..THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 11 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 60 3:12 PM 92 1931 69 -9 84  
MINIMUM 50 12:04 AM 31 1965 49 1 59  
AVERAGE 55 59 -4 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.51 1949 0.12 -0.11 0.00  
MONTH TO DATE 1.90 1.31 0.59 0.08  
SINCE SEP 1 1.90 1.31 0.59 0.08  
SINCE JAN 1 17.18 22.67 -5.49 22.44  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 2001 0.0 MM 0.0  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 10 7 3 0  
MONTH TO DATE 117 59 58 44  
SINCE SEP 1 117 59 58 44  
SINCE JUL 1 237 173 64 97  
 
COOLING  
YESTERDAY 0 1 -1 7  
MONTH TO DATE 1 12 -11 13  
SINCE SEP 1 1 12 -11 13  
SINCE JAN 1 221 245 -24 251    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 87 2:00 PM  
AVERAGE 94  
   
......................................................  
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 87 1948  
MINIMUM TEMPERATURE (F) 49 29 2007  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2025.....SUNRISE 6:43 AM CDT SUNSET 7:26 PM CDT  
SEPTEMBER 13 2025.....SUNRISE 6:44 AM CDT SUNSET 7:24 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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