595
CDUS41 KPHI 152224
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
624 PM EDT THU MAY 15 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 15 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 73 3:40 PM 90 2018 73 0 67
MINIMUM 61 6:01 AM 35 1936 50 11 57
AVERAGE 67 62 5 62
PRECIPITATION (IN)
TODAY 0.02 1.25 1938 0.11 -0.09 0.22
MONTH TO DATE 6.84 1.71 5.13 2.29
SINCE MAR 1 12.57 9.01 3.56 12.99
SINCE JAN 1 15.90 15.08 0.82 21.64
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 5 -5 3
MONTH TO DATE 41 95 -54 98
SINCE MAR 1 1037 1253 -216 1105
SINCE JUL 1 5079 5219 -140 4844
COOLING
TODAY 2 2 0 0
MONTH TO DATE 12 18 -6 16
SINCE MAR 1 13 26 -13 27
SINCE JAN 1 13 26 -13 27
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 10:00 AM
LOWEST 71 4:00 PM
AVERAGE 81
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 1951
1998
MINIMUM TEMPERATURE (F) 51 37 1939
2016
SUNRISE AND SUNSET
MAY 15 2025...........SUNRISE 5:45 AM EDT SUNSET 8:12 PM EDT
MAY 16 2025...........SUNRISE 5:44 AM EDT SUNSET 8:13 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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