794
CDUS41 KPHI 130548
CLIPHL
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1248 AM EST SAT DEC 13 2025
...............................
..THE PHILADELPHIA PA CLIMATE SUMMARY FOR DECEMBER 12 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 38 1:51 PM 69 2015 47 -9 43
MINIMUM 25 6:17 AM 8 1988 32 -7 28
AVERAGE 32 40 -8 36
PRECIPITATION (IN)
YESTERDAY 0.00 1.45 1983 0.14 -0.14 0.00
MONTH TO DATE 0.95 1.62 -0.67 1.01
SINCE DEC 1 0.95 1.62 -0.67 1.01
SINCE JAN 1 32.99 41.76 -8.77 36.96
SNOWFALL (IN)
YESTERDAY 0.0 10.9 1960 0.1 -0.1 0.0
MONTH TO DATE T 1.0 -1.0 0.0
SINCE DEC 1 T 1.0 -1.0 0.0
SINCE JUL 1 T 1.2 -1.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 26 7 29
MONTH TO DATE 362 288 74 310
SINCE DEC 1 362 288 74 310
SINCE JUL 1 1031 1080 -49 843
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 11:00 PM
LOWEST 37 1:00 PM
AVERAGE 53
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THE PHILADELPHIA PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 71 2015
MINIMUM TEMPERATURE (F) 32 8 1960
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 7:14 AM EST SUNSET 4:37 PM EST
DECEMBER 14 2025......SUNRISE 7:15 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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