384
CDUS41 KPHI 170557
CLIILG
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
157 AM EDT WED SEP 17 2025
...............................
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 16 2025
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)
YESTERDAY
MAXIMUM 74 3:11 PM 94 1970 79 -5 78
MINIMUM 63 3:17 AM 40 1984 59 4 57
AVERAGE 69 69 0 68
PRECIPITATION (IN)
YESTERDAY 0.08 8.29 1999 0.16 -0.08 0.00
MONTH TO DATE 0.64 2.24 -1.60 0.01
SINCE SEP 1 0.64 2.24 -1.60 0.01
SINCE JAN 1 31.84 32.60 -0.76 36.67
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 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
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 5 -5 6
SINCE SEP 1 0 5 -5 6
SINCE JUL 1 1 6 -5 8
COOLING
YESTERDAY 4 5 -1 3
MONTH TO DATE 87 107 -20 59
SINCE SEP 1 87 107 -20 59
SINCE JAN 1 1215 1158 57 1238
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 13.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 11:00 AM
LOWEST 51 7:00 PM
AVERAGE 68
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THE WILMINGTON DE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 92 1991
MINIMUM TEMPERATURE (F) 59 43 1986
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 6:46 AM EDT SUNSET 7:07 PM EDT
SEPTEMBER 18 2025.....SUNRISE 6:47 AM EDT SUNSET 7:05 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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