449  
CDUS43 KDLH 141314  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
714 AM CST THU DEC 14 2017  
 
   
...............................
 
 
   
..THE DULUTH MN CLIMATE SUMMARY FOR DECEMBER 13 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1870 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 22 350 PM 52 1913 23 -1 5  
MINIMUM 4 1134 PM -23 1903 8 -4 -11  
AVERAGE 13 15 -2 -3  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 0.78 1995 0.03 0.18 T  
MONTH TO DATE 0.48 0.55 -0.07 0.83  
SINCE DEC 1 0.48 0.55 -0.07 0.83  
SINCE JAN 1 36.43 30.30 6.13 32.42  
 
SNOWFALL (IN)  
YESTERDAY 2.6 11.8 1995 0.6 2.0 T  
MONTH TO DATE 6.1 7.1 -1.0 15.5  
SINCE DEC 1 6.1 7.1 -1.0 15.5  
SINCE JUL 1 27.7 23.2 4.5 23.6  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 50 2 68  
MONTH TO DATE 591 616 -25 606  
SINCE DEC 1 591 616 -25 606  
SINCE JUL 1 2737 2829 -92 2088  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 126 204 -78 281    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 80 700 PM  
AVERAGE 90  
   
......................................................
 
 
 
THE DULUTH MN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 22 52 1894  
MINIMUM TEMPERATURE (F) 8 -26 1901  
 
 
SUNRISE AND SUNSET  
DECEMBER 14 2017......SUNRISE 747 AM CST SUNSET 421 PM CST  
DECEMBER 15 2017......SUNRISE 747 AM CST SUNSET 421 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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