Climatological Report (Daily)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
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021
CDUS41 KPHI 212129
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
529 PM EDT MON SEP 21 2026
...................................
...THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 21 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 11:00 AM 91 1931 76 -6 73
1940
MINIMUM 59 6:13 AM 33 2020 53 6 50
AVERAGE 65 64 1 62
PRECIPITATION (IN)
TODAY 0.00 3.21 1979 0.17 -0.17 0.00
MONTH TO DATE 3.00 3.26 -0.26 2.08
SINCE SEP 1 3.00 3.26 -0.26 2.08
SINCE JAN 1 28.52 34.54 -6.02 30.38
SNOWFALL (IN)
TODAY 0.0 0.4 1896 0.0 0.0 0.0
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 0 3 -3 3
MONTH TO DATE 7 30 -23 12
SINCE SEP 1 7 30 -23 12
SINCE JUL 1 7 30 -23 24
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 110 92 18 57
SINCE SEP 1 110 92 18 57
SINCE JAN 1 980 952 28 876
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 53 12:00 PM
AVERAGE 73
..........................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 93 1931
1980
MINIMUM TEMPERATURE (F) 53 36 1997
2020
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:48 AM EDT SUNSET 7:00 PM EDT
SEPTEMBER 22 2026.....SUNRISE 6:49 AM EDT SUNSET 6:59 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$