562  
CDUS43 KDLH 180642  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
142 AM CDT SUN MAY 18 2025  
   
...............................  
 
   
..THE DULUTH CLIMATE SUMMARY FOR MAY 17 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 54 1:52 PM 87 1897 64 -10 67  
1972  
MINIMUM 40 11:59 PM 26 1988 41 -1 41  
AVERAGE 47 53 -6 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.49 1987 0.11 -0.02 0.05  
MONTH TO DATE 0.98 1.74 -0.76 1.90  
SINCE MAR 1 4.99 5.73 -0.74 6.50  
SINCE JAN 1 6.56 7.69 -1.13 7.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1968 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 18 13 5 11  
MONTH TO DATE 182 264 -82 238  
SINCE MAR 1 2018 2206 -188 1995  
SINCE JUL 1 8113 8818 -705 7496  
 
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 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 61 2:00 PM  
AVERAGE 77  
   
......................................................  
 
THE DULUTH CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 87 2012  
MINIMUM TEMPERATURE (F) 42 27 1915  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 5:30 AM CDT SUNSET 8:41 PM CDT  
MAY 19 2025...........SUNRISE 5:29 AM CDT SUNSET 8:42 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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