087  
CDUS41 KPHI 180559  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
159 AM EDT TUE MAY 18 2021  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR MAY 17 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 76 1:33 PM 94 1896 74 2 69  
MINIMUM 46 5:04 AM 35 1956 54 -8 54  
1983  
AVERAGE 61 64 -3 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.39 1985 0.11 -0.11 T  
MONTH TO DATE 0.40 1.87 -1.47 0.81  
SINCE MAR 1 7.56 9.54 -1.98 8.50  
SINCE JAN 1 13.91 15.60 -1.69 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 4 4 0 3  
MONTH TO DATE 111 86 25 158  
SINCE MAR 1 994 1109 -115 1053  
SINCE JUL 1 4308 4597 -289 4192  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 18 25 -7 13  
SINCE MAR 1 35 38 -3 14  
SINCE JAN 1 35 38 -3 14    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.2  
 
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 93 5:00 AM  
LOWEST 26 3:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 94 1962  
MINIMUM TEMPERATURE (F) 54 40 1967  
 
SUNRISE AND SUNSET  
MAY 18 2021...........SUNRISE 5:45 AM EDT SUNSET 8:13 PM EDT  
MAY 19 2021...........SUNRISE 5:44 AM EDT SUNSET 8:14 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page Main Text Page