680
CDUS41 KPHI 241337 CCA
CLIABE
CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
156 AM EDT WED SEP 24 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 23 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 83 2:52 PM 93 1970 75 8 65
MINIMUM 61 12:24 AM 35 1947 53 8 58
AVERAGE 72 64 8 62
PRECIPITATION (IN)
YESTERDAY 0.42 1.94 1975 0.16 0.26 0.27
MONTH TO DATE 2.50 3.59 -1.09 0.71
SINCE SEP 1 2.50 3.59 -1.09 0.71
SINCE JAN 1 30.80 34.87 -4.07 35.33
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 3
MONTH TO DATE 14 37 -23 30
SINCE SEP 1 14 37 -23 30
SINCE JUL 1 26 41 -15 39
COOLING
YESTERDAY 7 2 5 0
MONTH TO DATE 64 96 -32 47
SINCE SEP 1 64 96 -32 47
SINCE JAN 1 883 956 -73 983
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 PM
LOWEST 53 1:00 PM
AVERAGE 73
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1970
2017
MINIMUM TEMPERATURE (F) 52 31 1963
SUNRISE AND SUNSET
SEPTEMBER 24 2025.....SUNRISE 6:52 AM EDT SUNSET 6:55 PM EDT
SEPTEMBER 25 2025.....SUNRISE 6:53 AM EDT SUNSET 6:53 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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