287  
CDUS43 KDLH 180621  
CLIDLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DULUTH MN  
121 AM CDT FRI MAY 18 2012  
 
   
...............................
 
 
   
..THE DULUTH MN CLIMATE SUMMARY FOR MAY 17 2012
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1870 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 831 PM 87 1972 63 5 62  
1897  
MINIMUM 46 528 AM 26 1988 41 5 39  
AVERAGE 57 52 5 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.49 1987 0.10 -0.08 0.00  
MONTH TO DATE 0.85 1.72 -0.87 0.62  
SINCE MAR 1 6.17 5.64 0.53 5.23  
SINCE JAN 1 7.95 7.41 0.54 6.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.5 1968 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.4 -0.4 T  
SINCE MAR 1 12.5 20.5 -8.0 18.0  
SINCE JUL 1 49.1 86.1 -37.0 93.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 13 -5 14  
MONTH TO DATE 186 267 -81 297  
SINCE MAR 1 1650 2239 -589 2330  
SINCE JUL 1 7425 9106 -1681 9144  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 0 6 0  
SINCE JAN 1 6 0 6 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 11.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 300 AM  
LOWEST 39 800 PM  
AVERAGE 50  
   
......................................................
 
 
 
THE DULUTH MN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 85 1998  
1978  
1970  
MINIMUM TEMPERATURE (F) 41 27 1915  
 
 
SUNRISE AND SUNSET  
MAY 18 2012...........SUNRISE 530 AM CDT SUNSET 841 PM CDT  
MAY 19 2012...........SUNRISE 529 AM CDT SUNSET 842 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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