CDUS41 KPHI 120543 CLIABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1243 AM EST FRI DEC 12 2025 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 11 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1922 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 37 2:05 AM 63 2021 44 -7 62 MINIMUM 25 11:59 PM -2 1958 28 -3 36 AVERAGE 31 36 -5 49 PRECIPITATION (IN) YESTERDAY 0.00 2.18 1952 0.13 -0.13 1.24 MONTH TO DATE 0.77 1.50 -0.73 1.63 SINCE DEC 1 0.77 1.50 -0.73 1.63 SINCE JAN 1 35.74 45.00 -9.26 39.83 SNOWFALL (IN) YESTERDAY 0.0 6.4 1960 0.1 -0.1 0.0 MONTH TO DATE 1.2 1.4 -0.2 T SINCE DEC 1 1.2 1.4 -0.2 T SINCE JUL 1 1.4 2.5 -1.1 T SNOW DEPTH T DEGREE DAYS HEATING YESTERDAY 34 29 5 16 MONTH TO DATE 398 303 95 327 SINCE DEC 1 398 303 95 327 SINCE JUL 1 1410 1339 71 1196 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 924 981 -57 994 ................................................................... WIND (MPH) HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 13.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 12:00 AM LOWEST 43 11:00 AM AVERAGE 70 .......................................................... THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 44 63 1931 MINIMUM TEMPERATURE (F) 28 2 1988SUNRISE AND SUNSET DECEMBER 12 2025......SUNRISE 7:16 AM EST SUNSET 4:35 PM EST DECEMBER 13 2025......SUNRISE 7:17 AM EST SUNSET 4:35 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$