518  
CDUS43 KDLH 150626  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
126 AM CDT THU MAY 15 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR MAY 14 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 79 1:25 PM 91 1932 63 16 57  
MINIMUM 50 10:45 PM 27 1921 41 9 40  
AVERAGE 65 52 13 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.30 1940 0.11 -0.11 0.00  
1961  
MONTH TO DATE 0.79 1.41 -0.62 1.71  
SINCE MAR 1 4.80 5.40 -0.60 6.31  
SINCE JAN 1 6.37 7.36 -0.99 7.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1974 0.0 0.0 0.0  
MONTH TO DATE T 0.6 -0.6 T  
SINCE MAR 1 14.7 22.5 -7.8 20.0  
SINCE JUL 1 55.5 90.0 -34.5 38.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 14 -14 16  
MONTH TO DATE 147 225 -78 197  
SINCE MAR 1 1983 2167 -184 1954  
SINCE JUL 1 8078 8779 -701 7455  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 11 0 11 0  
SINCE MAR 1 11 0 11 0  
SINCE JAN 1 11 0 11 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 11:00 PM  
LOWEST 48 1:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 88 1931  
MINIMUM TEMPERATURE (F) 41 26 2004  
 
SUNRISE AND SUNSET  
MAY 15 2025...........SUNRISE 5:34 AM CDT SUNSET 8:37 PM CDT  
MAY 16 2025...........SUNRISE 5:32 AM CDT SUNSET 8:39 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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