Climatological Report (Daily)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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CDUS41 KPHI 190601
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
201 AM EDT FRI SEP 19 2025
...................................
...THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 18 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 86 3:13 PM 90 1965 77 9 73
MINIMUM 59 11:47 PM 36 1990 55 4 60
AVERAGE 73 66 7 67
PRECIPITATION (IN)
YESTERDAY 0.00 4.59 2004 0.18 -0.18 T
MONTH TO DATE 2.08 2.75 -0.67 0.44
SINCE SEP 1 2.08 2.75 -0.67 0.44
SINCE JAN 1 30.38 34.03 -3.65 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 2 -2 0
MONTH TO DATE 9 21 -12 27
SINCE SEP 1 9 21 -12 27
SINCE JUL 1 21 25 -4 36
COOLING
YESTERDAY 8 3 5 2
MONTH TO DATE 53 84 -31 28
SINCE SEP 1 53 84 -31 28
SINCE JAN 1 872 944 -72 964
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 2:00 AM
LOWEST 29 4:00 PM
AVERAGE 65
..........................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1983
MINIMUM TEMPERATURE (F) 54 37 1943
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 6:47 AM EDT SUNSET 7:03 PM EDT
SEPTEMBER 20 2025.....SUNRISE 6:48 AM EDT SUNSET 7:02 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$