415  
CDUS41 KPHI 120553  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
153 AM EDT WED MAY 12 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 11 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1894 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 2:13 PM 96 1896 72 -4 62  
MINIMUM 45 1:27 AM 32 1966 52 -7 42  
AVERAGE 57 62 -5 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.00 1981 0.11 -0.11 0.06  
MONTH TO DATE 0.40 1.22 -0.82 0.76  
SINCE MAR 1 7.56 8.89 -1.33 8.45  
SINCE JAN 1 13.91 14.95 -1.04 15.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1894 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 3.2 -3.2 T  
SINCE JUL 1 14.3 20.2 -5.9 0.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 5 3 13  
MONTH TO DATE 77 62 15 118  
SINCE MAR 1 960 1085 -125 1013  
SINCE JUL 1 4274 4573 -299 4152  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 18 13 5 2  
SINCE MAR 1 35 26 9 3  
SINCE JAN 1 35 26 9 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 2:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 1896  
MINIMUM TEMPERATURE (F) 52 37 1962  
 
SUNRISE AND SUNSET  
MAY 12 2021...........SUNRISE 5:51 AM EDT SUNSET 8:07 PM EDT  
MAY 13 2021...........SUNRISE 5:50 AM EDT SUNSET 8:08 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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