744
CDUS41 KPHI 082130
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
530 PM EDT MON SEP 08 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 8 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 74 3:59 PM 97 1939 80 -6 69
MINIMUM 47 5:59 AM 42 1962 58 -11 46
AVERAGE 61 69 -8 58
PRECIPITATION (IN)
TODAY 0.00 4.86 1987 0.14 -0.14 0.00
MONTH TO DATE 2.02 1.16 0.86 0.44
SINCE SEP 1 2.02 1.16 0.86 0.44
SINCE JAN 1 30.32 32.44 -2.12 35.06
SNOWFALL (IN)
TODAY 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
TODAY 4 1 3 7
MONTH TO DATE 5 5 0 20
SINCE SEP 1 5 5 0 20
SINCE JUL 1 17 9 8 29
COOLING
TODAY 0 5 -5 0
MONTH TO DATE 27 45 -18 11
SINCE SEP 1 27 45 -18 11
SINCE JAN 1 846 905 -59 947
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 31 3:00 PM
AVERAGE 62
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 2015
MINIMUM TEMPERATURE (F) 58 42 1986
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:36 AM EDT SUNSET 7:22 PM EDT
SEPTEMBER 9 2025.....SUNRISE 6:37 AM EDT SUNSET 7:20 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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