455
CDUS41 KPHI 182122
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
522 PM EDT SUN MAY 18 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 71 3:51 PM 96 1962 74 -3 67
MINIMUM 57 5:26 AM 32 2023 51 6 57
AVERAGE 64 63 1 62
PRECIPITATION (IN)
TODAY 0.00 1.32 2002 0.11 -0.11 0.03
MONTH TO DATE 7.38 2.05 5.33 2.39
SINCE MAR 1 13.11 9.35 3.76 13.09
SINCE JAN 1 16.44 15.42 1.02 21.74
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 0.0 6.8 -6.8 T
SINCE JUL 1 17.8 33.1 -15.3 25.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 1 4 -3 3
MONTH TO DATE 42 108 -66 106
SINCE MAR 1 1038 1266 -228 1113
SINCE JUL 1 5080 5232 -152 4852
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 22 24 -2 16
SINCE MAR 1 23 32 -9 27
SINCE JAN 1 23 32 -9 27
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 12:00 AM
LOWEST 49 4:00 PM
AVERAGE 61
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 97 1962
MINIMUM TEMPERATURE (F) 52 32 2009
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 5:42 AM EDT SUNSET 8:15 PM EDT
MAY 19 2025...........SUNRISE 5:41 AM EDT SUNSET 8:16 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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