318
CDUS41 KPHI 250602
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
202 AM EDT THU SEP 25 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 24 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 77 2:13 PM 92 1970 74 3 68
2017
MINIMUM 64 3:31 AM 31 1963 52 12 58
AVERAGE 71 63 8 63
PRECIPITATION (IN)
YESTERDAY 0.05 2.04 1975 0.18 -0.13 0.00
MONTH TO DATE 2.36 3.77 -1.41 0.71
SINCE SEP 1 2.36 3.77 -1.41 0.71
SINCE JAN 1 30.66 35.05 -4.39 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 2
MONTH TO DATE 14 41 -27 32
SINCE SEP 1 14 41 -27 32
SINCE JUL 1 26 45 -19 41
COOLING
YESTERDAY 6 2 4 0
MONTH TO DATE 70 98 -28 47
SINCE SEP 1 70 98 -28 47
SINCE JAN 1 889 958 -69 983
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 71 2:00 PM
AVERAGE 86
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 1970
2017
MINIMUM TEMPERATURE (F) 52 33 1963
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 6:53 AM EDT SUNSET 6:53 PM EDT
SEPTEMBER 26 2025.....SUNRISE 6:54 AM EDT SUNSET 6:52 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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