Climatological Report (Annual)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
417 CXUS51 KPHI 020043 CLAABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 743 PM EST WED JAN 01 2025 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1922 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 105 07/03/1966 LOW -15 01/21/1994 HIGHEST 98 06/22 96 2 96 06/02 LOWEST 1 12/23 2 -1 4 02/04 AVG. MAXIMUM 64.4 63.3 1.1 64.0 AVG. MINIMUM 43.9 42.8 1.1 43.2 MEAN 54.1 53.1 1.0 53.6 DAYS MAX >= 90 25 18.0 7.0 10 DAYS MAX <= 32 11 22.0 -11.0 3 DAYS MIN <= 32 100 118.1 -18.1 105 DAYS MIN <= 0 0 1.2 -1.2 0 PRECIPITATION (INCHES) RECORD MAXIMUM 71.72 2011 MINIMUM 29.82 1980 TOTALS 42.06 47.36 -5.30 46.38 DAILY AVG. 0.12 0.13 -0.01 0.13 DAYS >= .01 124 129.1 -5.1 116 DAYS >= .10 77 81.5 -4.5 78 DAYS >= .50 30 31.3 -1.3 30 DAYS >= 1.00 13 12.3 0.7 15 GREATEST 24 HR. TOTAL 2.35 08/18 TO 08/18 3.27 12/17 TO 12/18 STORM TOTAL 2.35 3.27 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 74.4 1994 24 HR TOTAL MM SNOW DEPTH 28 02/12/1983 & 01/24/2016 TOTALS 30.0 33.1 -3.1 4.9 LIQUID EQUIV 3.00 3.30 -0.30 0.50 SINCE 7/1 4.8 5.7 -0.9 T LIQUID 7/1 0.48 0.50 -0.02 T SNOWDEPTH AVG. 0 0 DAYS >= TRACE 28 16.0 12.0 25 DAYS >= 1.0 6 8.0 -2.0 3 GREATEST SNOW DEPTH 8 02/17 2 02/28 24 HR TOTAL 9.1 02/13 TO 02/13 2.2 STORM TOTAL 9.1 2.2 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 4856 5293 -437 4812 SINCE 7/1 1870 1970 -100 MM COOLING TOTAL 994 981 13 790 SINCE 1/1 994 981 13 MM FREEZE DATES RECORD EARLIEST 09/24/1974 LATEST 05/21/2002 EARLIEST 10/18 LATEST 04/25 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.6 RESULTANT WIND SPEED/DIRECTION 1/290 HIGHEST WIND SPEED/DIRECTION 38/280 DATE 04/03 HIGHEST GUST SPEED/DIRECTION 50/290 DATE 06/26 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.41 NUMBER OF DAYS FAIR 191 NUMBER OF DAYS PC 87 NUMBER OF DAYS CLOUDY 88 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 29 MIXED PRECIP 0 HEAVY RAIN 34 RAIN 61 LIGHT RAIN 149 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 1 SNOW 3 LIGHT SNOW 26 SLEET 4 FOG 127 FOG W/VIS <= 1/4 MILE 16 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ STAARMANN