498
CDUS41 KPHI 172122
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
522 PM EDT SAT MAY 17 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 17 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 82 3:59 PM 92 1951 74 8 69
MINIMUM 62 4:38 AM 32 1956 51 11 55
AVERAGE 72 62 10 62
PRECIPITATION (IN)
TODAY 0.00 1.51 1942 0.11 -0.11 0.00
MONTH TO DATE 7.38 1.94 5.44 2.36
SINCE MAR 1 13.11 9.24 3.87 13.06
SINCE JAN 1 16.44 15.31 1.13 21.71
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 0 4 -4 3
MONTH TO DATE 41 104 -63 103
SINCE MAR 1 1037 1262 -225 1110
SINCE JUL 1 5079 5228 -149 4849
COOLING
TODAY 7 2 5 0
MONTH TO DATE 22 22 0 16
SINCE MAR 1 23 30 -7 27
SINCE JAN 1 23 30 -7 27
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 42 4:00 PM
AVERAGE 71
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 96 1962
MINIMUM TEMPERATURE (F) 51 32 2023
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:43 AM EDT SUNSET 8:14 PM EDT
MAY 18 2025...........SUNRISE 5:42 AM EDT SUNSET 8:15 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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