730  
CDUS41 KPHI 210552  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
152 AM EDT FRI MAY 21 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 20 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 78 1:09 PM 96 1996 75 3 64  
MINIMUM 56 11:53 PM 37 2002 55 1 46  
AVERAGE 67 64 3 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.05 1894 0.12 -0.12 0.00  
MONTH TO DATE 0.40 2.22 -1.82 0.81  
SINCE MAR 1 7.56 9.89 -2.33 8.50  
SINCE JAN 1 13.91 15.95 -2.04 15.34  
 
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 0 3 -3 10  
MONTH TO DATE 111 96 15 175  
SINCE MAR 1 994 1119 -125 1070  
SINCE JUL 1 4308 4607 -299 4209  
 
COOLING  
YESTERDAY 2 3 -1 0  
MONTH TO DATE 27 33 -6 13  
SINCE MAR 1 44 46 -2 14  
SINCE JAN 1 44 46 -2 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 3:00 AM  
LOWEST 25 1:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1996  
MINIMUM TEMPERATURE (F) 55 35 2002  
 
SUNRISE AND SUNSET  
MAY 21 2021...........SUNRISE 5:43 AM EDT SUNSET 8:16 PM EDT  
MAY 22 2021...........SUNRISE 5:42 AM EDT SUNSET 8:17 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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