554
CDUS41 KPHI 300557
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1257 AM EST TUE DEC 30 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 29 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 46 2:37 PM 72 1984 40 6 62
MINIMUM 29 11:59 PM -1 1933 24 5 40
AVERAGE 38 32 6 51
PRECIPITATION (IN)
YESTERDAY 0.20 1.19 1948 0.11 0.09 0.27
MONTH TO DATE 2.54 3.64 -1.10 3.23
SINCE DEC 1 2.54 3.64 -1.10 3.23
SINCE JAN 1 37.51 47.14 -9.63 41.43
SNOWFALL (IN)
YESTERDAY T 4.0 1962 0.2 -0.2 0.0
MONTH TO DATE 7.5 4.2 3.3 4.8
SINCE DEC 1 7.5 4.2 3.3 4.8
SINCE JUL 1 7.7 5.3 2.4 4.8
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 27 33 -6 14
MONTH TO DATE 1036 865 171 958
SINCE DEC 1 1036 865 171 958
SINCE JUL 1 2048 1901 147 1827
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
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 34 4:00 PM
AVERAGE 67
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THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 40 64 1984
MINIMUM TEMPERATURE (F) 24 -2 1933
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 7:25 AM EST SUNSET 4:44 PM EST
DECEMBER 31 2025......SUNRISE 7:25 AM EST SUNSET 4:45 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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