575  
CDUS41 KPHI 200553  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
153 AM EDT THU MAY 20 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 19 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 89 4:16 PM 95 1962 74 15 69  
MINIMUM 55 5:11 AM 37 2009 54 1 52  
AVERAGE 72 64 8 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1900 0.11 -0.11 0.00  
1966  
MONTH TO DATE 0.40 2.10 -1.70 0.81  
SINCE MAR 1 7.56 9.77 -2.21 8.50  
SINCE JAN 1 13.91 15.83 -1.92 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 4  
MONTH TO DATE 111 93 18 165  
SINCE MAR 1 994 1116 -122 1060  
SINCE JUL 1 4308 4604 -296 4199  
 
COOLING  
YESTERDAY 7 3 4 0  
MONTH TO DATE 25 30 -5 13  
SINCE MAR 1 42 43 -1 14  
SINCE JAN 1 42 43 -1 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.4  
 
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 75 3:00 AM  
LOWEST 24 1:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 96 1996  
MINIMUM TEMPERATURE (F) 55 37 2002  
 
SUNRISE AND SUNSET  
MAY 20 2021...........SUNRISE 5:44 AM EDT SUNSET 8:15 PM EDT  
MAY 21 2021...........SUNRISE 5:43 AM EDT SUNSET 8:16 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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