Climatological Report (Daily)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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813
CDUS41 KPHI 150554
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
154 AM EDT TUE SEP 15 2026
...................................
...THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 14 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 73 3:14 PM 91 1931 78 -5 83
2008
2016
MINIMUM 52 11:09 PM 40 1946 56 -4 55
AVERAGE 63 67 -4 69
PRECIPITATION (IN)
YESTERDAY 0.00 3.24 1973 0.16 -0.16 0.00
MONTH TO DATE 1.89 2.06 -0.17 2.07
SINCE SEP 1 1.89 2.06 -0.17 2.07
SINCE JAN 1 27.41 33.34 -5.93 30.37
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 2 2 0 0
MONTH TO DATE 2 13 -11 9
SINCE SEP 1 2 13 -11 9
SINCE JUL 1 2 13 -11 21
COOLING
YESTERDAY 0 4 -4 4
MONTH TO DATE 90 71 19 38
SINCE SEP 1 90 71 19 38
SINCE JAN 1 960 931 29 857
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1:00 AM
LOWEST 38 2:00 PM
AVERAGE 66
..........................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 95 1927
MINIMUM TEMPERATURE (F) 56 38 1975
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:42 AM EDT SUNSET 7:11 PM EDT
SEPTEMBER 16 2026.....SUNRISE 6:43 AM EDT SUNSET 7:09 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$