527  
CDUS41 KPHI 042139  
CLIILG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
539 PM EDT THU SEP 04 2025  
   
...............................
 
 
   
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 4 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1894 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 12:09 PM 96 2023 82 3 79  
MINIMUM 62 3:28 AM 47 1997 63 -1 51  
AVERAGE 74 73 1 65  
 
PRECIPITATION (IN)  
TODAY 0.00 1.71 1935 0.13 -0.13 0.00  
MONTH TO DATE T 0.53 -0.53 T  
SINCE SEP 1 T 0.53 -0.53 T  
SINCE JAN 1 31.20 30.89 0.31 36.66  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 1894 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 1 1 0 2  
 
COOLING  
TODAY 9 8 1 0  
MONTH TO DATE 18 32 -14 19  
SINCE SEP 1 18 32 -14 19  
SINCE JAN 1 1146 1083 63 1198    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 48 12:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE WILMINGTON DE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 1961  
1983  
2018  
MINIMUM TEMPERATURE (F) 63 48 1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2025.....SUNRISE 6:34 AM EDT SUNSET 7:28 PM EDT  
SEPTEMBER 5 2025.....SUNRISE 6:35 AM EDT SUNSET 7:27 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