961
CDUS41 KPHI 080543
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
143 AM EDT MON SEP 08 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 7 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 76 3:26 PM 92 2023 81 -5 72
MINIMUM 57 11:32 PM 43 1962 58 -1 51
1984
2000
AVERAGE 67 69 -2 62
PRECIPITATION (IN)
YESTERDAY 0.01 1.49 2011 0.14 -0.13 0.42
MONTH TO DATE 2.02 1.02 1.00 0.44
SINCE SEP 1 2.02 1.02 1.00 0.44
SINCE JAN 1 30.32 32.30 -1.98 35.06
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 1 -1 3
MONTH TO DATE 1 4 -3 13
SINCE SEP 1 1 4 -3 13
SINCE JUL 1 13 8 5 22
COOLING
YESTERDAY 2 5 -3 0
MONTH TO DATE 27 40 -13 11
SINCE SEP 1 27 40 -13 11
SINCE JAN 1 846 900 -54 947
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 33 4:00 PM
AVERAGE 63
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THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 1939
MINIMUM TEMPERATURE (F) 58 42 1962
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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