657
CDUS41 KPHI 212131
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
431 PM EST THU DEC 21 2023
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 21 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 45 3:09 PM 64 2018 42 3 40
MINIMUM 30 7:35 AM -3 1942 26 4 17
AVERAGE 38 34 4 29
PRECIPITATION (IN)
TODAY 0.00 1.44 2012 0.11 -0.11 0.00
MONTH TO DATE 6.10 2.74 3.36 2.97
SINCE DEC 1 6.10 2.74 3.36 2.97
SINCE JAN 1 43.86 46.24 -2.38 45.01
SNOWFALL (IN)
TODAY 0.0 4.1 1959 0.2 -0.2 0.0
MONTH TO DATE T 2.9 -2.9 1.3
SINCE DEC 1 T 2.9 -2.9 1.3
SINCE JUL 1 T 4.0 -4.0 1.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 27 31 -4 36
MONTH TO DATE 544 606 -62 636
SINCE DEC 1 544 606 -62 636
SINCE JUL 1 1631 1645 -14 1737
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 790 981 -191 986
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 7:00 AM
LOWEST 40 2:00 PM
AVERAGE 58
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 65 2013
MINIMUM TEMPERATURE (F) 26 -2 1944
SUNRISE AND SUNSET
DECEMBER 21 2023......SUNRISE 7:22 AM EST SUNSET 4:38 PM EST
DECEMBER 22 2023......SUNRISE 7:22 AM EST SUNSET 4:38 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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