Climatological Report (Daily)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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CDUS41 KPHI 100553
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1253 AM EST WED DEC 10 2025
...................................
...THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 9 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 31 4:28 PM 66 1980 45 -14 44
MINIMUM 8 7:14 AM 7 1989 28 -20 27
2002
AVERAGE 20 36 -16 36
PRECIPITATION (IN)
YESTERDAY 0.00 2.05 1914 0.13 -0.13 0.31
MONTH TO DATE 0.55 1.22 -0.67 0.34
SINCE DEC 1 0.55 1.22 -0.67 0.34
SINCE JAN 1 35.52 44.72 -9.20 38.54
SNOWFALL (IN)
YESTERDAY 0.0 9.1 2005 0.1 -0.1 0.0
MONTH TO DATE 0.8 1.1 -0.3 T
SINCE DEC 1 0.8 1.1 -0.3 T
SINCE JUL 1 1.0 2.2 -1.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 45 28 17 29
MONTH TO DATE 332 245 87 292
SINCE DEC 1 332 245 87 292
SINCE JUL 1 1344 1281 63 1161
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 924 981 -57 994
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 8:00 AM
LOWEST 29 1:00 PM
AVERAGE 51
..........................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 70 1946
MINIMUM TEMPERATURE (F) 28 1 1958
SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE 7:15 AM EST SUNSET 4:34 PM EST
DECEMBER 11 2025......SUNRISE 7:16 AM EST SUNSET 4:35 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$