125
CDUS41 KPHI 120543
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
143 AM EDT TUE MAY 12 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 11 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 5:08 PM 90 1948 72 -9 76
1993
MINIMUM 47 6:03 AM 31 1966 49 -2 43
AVERAGE 55 61 -6 60
PRECIPITATION (IN)
YESTERDAY 0.00 1.83 1981 0.12 -0.12 0.00
MONTH TO DATE 0.63 1.26 -0.63 4.47
SINCE MAR 1 9.36 8.56 0.80 10.20
SINCE JAN 1 13.10 14.63 -1.53 13.53
SNOWFALL (IN)
YESTERDAY 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 T 6.8 -6.8 0.0
SINCE JUL 1 35.5 33.1 2.4 17.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 6 4 5
MONTH TO DATE 106 75 31 33
SINCE MAR 1 1103 1232 -129 1029
SINCE JUL 1 5506 5191 315 5071
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 11 -9 10
SINCE MAR 1 32 19 13 11
SINCE JAN 1 32 19 13 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 54 10:00 PM
LOWEST 31 6:00 PM
AVERAGE 43
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1936
1948
MINIMUM TEMPERATURE (F) 49 34 1963
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 5:48 AM EDT SUNSET 8:09 PM EDT
MAY 13 2026...........SUNRISE 5:47 AM EDT SUNSET 8:10 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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