163  
CDUS43 KDLH 041358  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
858 AM CDT THU SEP 04 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR AUGUST 31 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 4:40 PM 92 1961 73 1 84  
MINIMUM 60 11:14 PM 33 1970 53 7 54  
AVERAGE 67 63 4 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.59 1.20 1989 0.12 0.47 0.00  
MONTH TO DATE 1.53 3.73 -2.20 3.48  
SINCE JUN 1 8.22 12.04 -3.82 12.54  
SINCE JAN 1 15.28 21.36 -6.08 22.36  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1949 0.0 0.0 0.0  
2018  
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 66 64 2 33  
SINCE JUN 1 274 266 8 164  
SINCE JUL 1 120 114 6 53  
 
COOLING  
YESTERDAY 2 2 0 4  
MONTH TO DATE 77 80 -3 77  
SINCE JUN 1 209 226 -17 237  
SINCE JAN 1 220 233 -13 238    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 11:00 AM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1894  
MINIMUM TEMPERATURE (F) 52 30 1974  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 6:29 AM CDT SUNSET 7:47 PM CDT  
SEPTEMBER 2 2025.....SUNRISE 6:30 AM CDT SUNSET 7:45 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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