782
CDUS41 KPHI 090551
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
151 AM EDT WED SEP 09 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 8 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 3:57 PM 97 1939 80 2 74
MINIMUM 53 5:54 AM 42 1962 58 -5 47
AVERAGE 68 69 -1 61
PRECIPITATION (IN)
YESTERDAY 0.00 4.86 1987 0.14 -0.14 0.00
MONTH TO DATE 1.49 1.16 0.33 2.02
SINCE SEP 1 1.49 1.16 0.33 2.02
SINCE JAN 1 27.01 32.44 -5.43 30.32
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 4
MONTH TO DATE 0 5 -5 5
SINCE SEP 1 0 5 -5 5
SINCE JUL 1 0 5 -5 17
COOLING
YESTERDAY 3 5 -2 0
MONTH TO DATE 56 45 11 27
SINCE SEP 1 56 45 11 27
SINCE JAN 1 926 905 21 846
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 1.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 42 1:00 PM
AVERAGE 70
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THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 2015
MINIMUM TEMPERATURE (F) 58 42 1986
SUNRISE AND SUNSET
SEPTEMBER 9 2026.....SUNRISE 6:37 AM EDT SUNSET 7:21 PM EDT
SEPTEMBER 10 2026.....SUNRISE 6:38 AM EDT SUNSET 7:19 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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