654
CDUS41 KPHI 170557
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1257 AM EST SUN DEC 17 2023
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 16 2023
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)
YESTERDAY
MAXIMUM 55 3:43 PM 61 2021 43 12 42
MINIMUM 29 7:28 AM 1 1951 27 2 35
AVERAGE 42 35 7 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.30 2005 0.12 -0.12 0.35
MONTH TO DATE 2.83 2.15 0.68 2.97
SINCE DEC 1 2.83 2.15 0.68 2.97
SINCE JAN 1 40.59 45.65 -5.06 45.01
SNOWFALL (IN)
YESTERDAY 0.0 9.2 2020 0.1 -0.1 0.0
MONTH TO DATE T 2.1 -2.1 1.3
SINCE DEC 1 T 2.1 -2.1 1.3
SINCE JUL 1 T 3.2 -3.2 1.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 30 -7 26
MONTH TO DATE 418 452 -34 466
SINCE DEC 1 418 452 -34 466
SINCE JUL 1 1505 1491 14 1567
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 3:00 AM
LOWEST 46 12:00 PM
AVERAGE 62
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THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 63 2000
MINIMUM TEMPERATURE (F) 27 -2 1951
SUNRISE AND SUNSET
DECEMBER 17 2023......SUNRISE 7:20 AM EST SUNSET 4:36 PM EST
DECEMBER 18 2023......SUNRISE 7:20 AM EST SUNSET 4:36 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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