633
CDUS41 KPHI 212130
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
530 PM EDT MON APR 21 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR APRIL 21 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 63 3:57 PM 89 1985 66 -3 50
MINIMUM 42 12:44 AM 28 1925 42 0 31
1956
2018
AVERAGE 53 54 -1 41
PRECIPITATION (IN)
TODAY 0.00 1.47 1991 0.13 -0.13 0.00
MONTH TO DATE 1.82 2.55 -0.73 4.36
SINCE MAR 1 5.50 6.18 -0.68 9.50
SINCE JAN 1 8.83 12.25 -3.42 18.15
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.5 -0.5 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 11 1 24
MONTH TO DATE 339 316 23 286
SINCE MAR 1 957 1071 -114 913
SINCE JUL 1 4999 5037 -38 4652
COOLING
TODAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE MAR 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 4:00 AM
LOWEST 31 4:00 PM
AVERAGE 42
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 92 1985
MINIMUM TEMPERATURE (F) 43 28 1981
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 6:14 AM EDT SUNSET 7:48 PM EDT
APRIL 22 2025.........SUNRISE 6:12 AM EDT SUNSET 7:49 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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