366  
CDUS43 KDLH 200640  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
140 AM CDT TUE MAY 20 2025  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR MAY 19 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 68 9:53 AM 85 1925 64 4 73  
1941  
1972  
MINIMUM 33 4:25 AM 26 1929 42 -9 45  
AVERAGE 51 53 -2 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.16 1877 0.11 -0.11 T  
MONTH TO DATE 1.09 1.97 -0.88 1.96  
SINCE MAR 1 5.10 5.96 -0.86 6.56  
SINCE JAN 1 6.67 7.92 -1.25 7.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.4 2019 0.0 0.0 0.0  
MONTH TO DATE T 0.7 -0.7 T  
SINCE MAR 1 14.7 22.6 -7.9 20.0  
SINCE JUL 1 55.5 90.1 -34.6 38.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 12 2 6  
MONTH TO DATE 220 288 -68 245  
SINCE MAR 1 2056 2230 -174 2002  
SINCE JUL 1 8151 8842 -691 7503  
 
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 31 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 20.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1:00 AM  
LOWEST 34 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 88 2009  
MINIMUM TEMPERATURE (F) 42 26 1986  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 5:28 AM CDT SUNSET 8:43 PM CDT  
MAY 21 2025...........SUNRISE 5:27 AM CDT SUNSET 8:45 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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