275  
CDUS43 KDLH 180621  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
121 AM CDT THU MAY 18 2023  
   
...............................
 
 
   
..THE DULUTH CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1870 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 57 3:15 PM 87 1897 64 -7 59  
1972  
MINIMUM 37 11:59 PM 26 1988 41 -4 40  
AVERAGE 47 53 -6 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.49 1987 0.11 -0.11 0.00  
MONTH TO DATE 0.53 1.74 -1.21 2.59  
SINCE MAR 1 5.86 5.73 0.13 7.76  
SINCE JAN 1 9.20 7.69 1.51 9.84  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1968 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.7 -0.7 T  
SINCE MAR 1 46.8 22.6 24.2 26.1  
SINCE JUL 1 140.1 90.1 50.0 94.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 13 5 15  
MONTH TO DATE 238 264 -26 212  
SINCE MAR 1 2400 2206 194 2402  
SINCE JUL 1 8689 8818 -129 8990  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 2:00 AM  
LOWEST 37 2:00 PM  
AVERAGE 57  
   
......................................................
 
 
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 2023...........SUNRISE 5:31 AM CDT SUNSET 8:40 PM CDT  
MAY 19 2023...........SUNRISE 5:30 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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