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CDUS41 KPHI 202123
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
523 PM EDT TUE MAY 20 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 20 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 65 3:56 PM 92 1962 75 -10 81
1996
MINIMUM 41 3:46 AM 32 2002 52 -11 53
AVERAGE 53 63 -10 67
PRECIPITATION (IN)
TODAY 0.00 1.92 1984 0.12 -0.12 0.00
MONTH TO DATE 7.38 2.29 5.09 2.39
SINCE MAR 1 13.11 9.59 3.52 13.09
SINCE JAN 1 16.44 15.66 0.78 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 12 4 8 0
MONTH TO DATE 60 116 -56 106
SINCE MAR 1 1056 1274 -218 1113
SINCE JUL 1 5098 5240 -142 4852
COOLING
TODAY 0 2 -2 2
MONTH TO DATE 22 28 -6 22
SINCE MAR 1 23 36 -13 33
SINCE JAN 1 23 36 -13 33
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 4:00 AM
LOWEST 45 3:00 PM
AVERAGE 62
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1934
MINIMUM TEMPERATURE (F) 52 32 2002
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:40 AM EDT SUNSET 8:17 PM EDT
MAY 21 2025...........SUNRISE 5:39 AM EDT SUNSET 8:18 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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