424
CDUS41 KPHI 100609
CLIILG
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
209 AM EDT WED SEP 10 2025
...............................
..THE WILMINGTON DE CLIMATE SUMMARY FOR SEPTEMBER 9 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 77 3:09 PM 95 2016 81 -4 77
MINIMUM 52 12:54 AM 46 1986 62 -10 48
AVERAGE 65 71 -6 63
PRECIPITATION (IN)
YESTERDAY 0.00 2.33 2018 0.14 -0.14 0.00
MONTH TO DATE 0.54 1.21 -0.67 0.01
SINCE SEP 1 0.54 1.21 -0.67 0.01
SINCE JAN 1 31.74 31.57 0.17 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 0 0 2
MONTH TO DATE 0 0 0 6
SINCE SEP 1 0 0 0 6
SINCE JUL 1 1 1 0 8
COOLING
YESTERDAY 0 7 -7 0
MONTH TO DATE 46 68 -22 26
SINCE SEP 1 46 68 -22 26
SINCE JAN 1 1174 1119 55 1205
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 10.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 43 2:00 PM
AVERAGE 67
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THE WILMINGTON DE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 1983
MINIMUM TEMPERATURE (F) 61 42 1938
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:39 AM EDT SUNSET 7:19 PM EDT
SEPTEMBER 11 2025.....SUNRISE 6:40 AM EDT SUNSET 7:17 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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