899
CDUS41 KPHI 150547
CLIPHL
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1247 AM EST MON DEC 15 2025
...............................
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 14 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1872 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 35 1:19 AM 70 2015 46 -11 37
MINIMUM 21 11:59 PM 10 1960 32 -11 22
AVERAGE 28 39 -11 30
PRECIPITATION (IN)
YESTERDAY 0.46 2.02 1897 0.14 0.32 0.00
MONTH TO DATE 1.44 1.89 -0.45 1.01
SINCE DEC 1 1.44 1.89 -0.45 1.01
SINCE JAN 1 33.48 42.03 -8.55 36.96
SNOWFALL (IN)
YESTERDAY 4.2 5.3 1951 0.1 4.1 0.0
MONTH TO DATE 4.2 1.2 3.0 0.0
SINCE DEC 1 4.2 1.2 3.0 0.0
SINCE JUL 1 4.2 1.4 2.8 T
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 37 26 11 35
MONTH TO DATE 428 340 88 378
SINCE DEC 1 428 340 88 378
SINCE JUL 1 1097 1132 -35 911
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1547 1359 188 1652
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
MIXED PRECIP
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 2:00 AM
LOWEST 50 6:00 PM
AVERAGE 71
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THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 69 2015
MINIMUM TEMPERATURE (F) 31 7 1960
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 7:15 AM EST SUNSET 4:37 PM EST
DECEMBER 16 2025......SUNRISE 7:16 AM EST SUNSET 4:37 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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