514
CDUS41 KPHI 170602
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
202 AM EDT THU SEP 17 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR SEPTEMBER 16 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 83 3:59 PM 95 1991 78 5 77
MINIMUM 55 6:02 AM 38 1923 55 0 55
AVERAGE 69 66 3 66
PRECIPITATION (IN)
YESTERDAY 0.00 6.37 1999 0.17 -0.17 T
MONTH TO DATE 1.89 2.40 -0.51 2.07
SINCE SEP 1 1.89 2.40 -0.51 2.07
SINCE JAN 1 27.41 33.68 -6.27 30.37
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 7 17 -10 9
SINCE SEP 1 7 17 -10 9
SINCE JUL 1 7 17 -10 21
COOLING
YESTERDAY 4 3 1 1
MONTH TO DATE 94 78 16 43
SINCE SEP 1 94 78 16 43
SINCE JAN 1 964 938 26 862
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 53 2:00 PM
AVERAGE 73
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 93 1991
MINIMUM TEMPERATURE (F) 55 39 1959
1986
2007
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:44 AM EDT SUNSET 7:07 PM EDT
SEPTEMBER 18 2026.....SUNRISE 6:45 AM EDT SUNSET 7:05 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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