517
CDUS41 KPHI 170602
CLIILG
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
202 AM EDT THU SEP 17 2026
...............................
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1894 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 4:02 PM 94 1970 79 4 74
MINIMUM 57 4:56 AM 40 1984 59 -2 63
AVERAGE 70 69 1 69
PRECIPITATION (IN)
YESTERDAY 0.00 8.29 1999 0.16 -0.16 0.08
MONTH TO DATE 2.58 2.24 0.34 0.64
SINCE SEP 1 2.58 2.24 0.34 0.64
SINCE JAN 1 33.02 32.60 0.42 31.84
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 0
SINCE SEP 1 0 5 -5 0
SINCE JUL 1 0 5 -5 1
COOLING
YESTERDAY 5 5 0 4
MONTH TO DATE 151 107 44 87
SINCE SEP 1 151 107 44 87
SINCE JAN 1 1391 1158 233 1215
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 55 4:00 PM
AVERAGE 78
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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 2026.....SUNRISE 6:45 AM EDT SUNSET 7:08 PM EDT
SEPTEMBER 18 2026.....SUNRISE 6:46 AM EDT SUNSET 7:06 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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