783
CDUS41 KPHI 160556
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
156 AM EDT SAT MAY 16 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 15 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 66 4:37 PM 90 2018 73 -7 74
MINIMUM 47 11:43 PM 35 1936 50 -3 59
AVERAGE 57 62 -5 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.25 1938 0.11 -0.11 0.02
MONTH TO DATE 0.76 1.71 -0.95 6.84
SINCE MAR 1 9.49 9.01 0.48 12.57
SINCE JAN 1 13.23 15.08 -1.85 15.90
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 8 5 3 0
MONTH TO DATE 139 95 44 41
SINCE MAR 1 1136 1252 -116 1037
SINCE JUL 1 5539 5211 328 5079
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 2 18 -16 12
SINCE MAR 1 32 26 6 13
SINCE JAN 1 32 26 6 13
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 11:00 PM
LOWEST 48 2:00 PM
AVERAGE 66
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THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 89 1951
1998
MINIMUM TEMPERATURE (F) 51 37 1939
2016
SUNRISE AND SUNSET
MAY 16 2026...........SUNRISE 5:44 AM EDT SUNSET 8:13 PM EDT
MAY 17 2026...........SUNRISE 5:43 AM EDT SUNSET 8:14 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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