524
CDUS41 KPHI 050555
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1255 AM EST FRI DEC 05 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 4 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 39 2:35 PM 72 1998 47 -8 39
MINIMUM 18 11:58 PM 8 1940 29 -11 20
1966
AVERAGE 29 38 -9 30
PRECIPITATION (IN)
YESTERDAY 0.00 1.63 1950 0.14 -0.14 T
MONTH TO DATE 0.55 0.54 0.01 T
SINCE DEC 1 0.55 0.54 0.01 T
SINCE JAN 1 35.52 44.04 -8.52 38.20
SNOWFALL (IN)
YESTERDAY 0.0 4.1 1957 0.2 -0.2 T
MONTH TO DATE 0.8 0.5 0.3 T
SINCE DEC 1 0.8 0.5 0.3 T
SINCE JUL 1 1.0 1.6 -0.6 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 36 27 9 35
MONTH TO DATE 135 106 29 142
SINCE DEC 1 135 106 29 142
SINCE JUL 1 1147 1142 5 1011
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 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.9
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 85 4:00 AM
LOWEST 39 6:00 PM
AVERAGE 62
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 69 2001
MINIMUM TEMPERATURE (F) 29 11 1926
SUNRISE AND SUNSET
DECEMBER 5 2025......SUNRISE 7:10 AM EST SUNSET 4:34 PM EST
DECEMBER 6 2025......SUNRISE 7:11 AM EST SUNSET 4:34 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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