992 CDUS41 KPHI 172149 CLIABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 449 PM EST THU DEC 17 2020 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 17 2020... VALID TODAY AS OF 0400 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1922 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 34 3:03 PM 63 2000 40 -6 37 MINIMUM 21 12:41 AM -2 1951 24 -3 33 AVERAGE 28 32 -4 35 PRECIPITATION (IN) TODAY 0.28 2.16 2000 0.11 0.17 0.34 MONTH TO DATE 2.46 2.15 0.31 2.64 SINCE DEC 1 2.46 2.15 0.31 2.64 SINCE JAN 1 47.84 43.92 3.92 59.88 SNOWFALL (IN) TODAY 2.3 3.0 1919 0.2 2.1 0.0 MONTH TO DATE 13.0 2.4 10.6 1.6 SINCE DEC 1 13.0 2.4 10.6 1.6 SINCE JUL 1 13.0 3.1 9.9 1.6 SNOW DEPTH 11 DEGREE DAYS HEATING TODAY 37 33 4 30 MONTH TO DATE 503 522 -19 473 SINCE DEC 1 503 522 -19 473 SINCE JUL 1 1466 1702 -236 1453 COOLING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1043 757 286 1176 ................................................................... WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 13.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. LIGHT SNOW FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 88 3:00 AM LOWEST 58 3:00 PM AVERAGE 73 .......................................................... THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 40 62 2006 MINIMUM TEMPERATURE (F) 23 5 1945 SUNRISE AND SUNSET DECEMBER 17 2020......SUNRISE 7:20 AM EST SUNSET 4:36 PM EST DECEMBER 18 2020......SUNRISE 7:21 AM EST SUNSET 4:37 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$