CXUS51 KPHI 072127 CLAABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 427 PM EST WED JAN 07 2026 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1922 TO 2026 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 06/24 96 2 98 06/22 LOWEST -8 01/22 2 -10 1 12/23 AVG. MAXIMUM 62.4 63.3 -0.9 64.4 AVG. MINIMUM 42.1 42.8 -0.7 43.9 MEAN 52.2 53.1 -0.9 54.1 DAYS MAX >= 90 16 18.0 -2.0 25 DAYS MAX <= 32 31 22.0 9.0 11 DAYS MIN <= 32 131 118.0 13.0 100 DAYS MIN <= 0 2 1.0 1.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 71.72 2011 MINIMUM 29.82 1980 TOTALS 37.51 47.36 -9.85 42.06 DAILY AVG. 0.10 0.13 -0.03 0.12 DAYS >= .01 128 129.1 -1.1 124 DAYS >= .10 76 81.5 -5.5 77 DAYS >= .50 23 31.3 -8.3 30 DAYS >= 1.00 7 12.3 -5.3 13 GREATEST 24 HR. TOTAL 2.17 05/13 TO 05/14 2.35 08/18 TO 08/18 STORM TOTAL 1.88 2.35 SNOWFALL (INCHES) RECORDS TOTAL 74.4 1994 SNOW DEPTH 28 01/24/2016 02/12/1983 TOTALS 20.7 33.1 -12.4 30.0 LIQUID EQUIV 2.10 3.30 -1.20 3.00 SINCE 7/1 7.7 5.7 2.0 4.8 LIQUID 7/1 0.77 0.50 0.27 0.48 SNOWDEPTH AVG. T 0 DAYS >= TRACE 34 39.0 -5.0 28 DAYS >= 1.0 6 8.0 -2.0 6 GREATEST SNOW DEPTH 6 01/20 8 02/17 24 HR TOTAL 5.7 01/19 TO 01/19 9.1 02/13 TO 02/13 STORM TOTAL 5.7 9.1 DEGREE DAYS HEATING TOTAL 5461 5293 168 4856 SINCE 7/1 2121 1967 154 1870 COOLING TOTAL 924 981 -57 994 SINCE 1/1 924 981 -57 994 FREEZE DATES RECORD EARLIEST 09/24/1974 LATEST 05/21/2002 EARLIEST 10/10 10/18 LATEST 04/18 04/25 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.2 RESULTANT WIND SPEED/DIRECTION 2/280 HIGHEST WIND SPEED/DIRECTION 38/250 DATE 06/22 HIGHEST GUST SPEED/DIRECTION 57/320 DATE 11/16 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.42 NUMBER OF DAYS FAIR 174 NUMBER OF DAYS PC 109 NUMBER OF DAYS CLOUDY 78 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 33 MIXED PRECIP 0 HEAVY RAIN 37 RAIN 61 LIGHT RAIN 144 FREEZING RAIN 4 LT FREEZING RAIN 10 HAIL 0 HEAVY SNOW 1 SNOW 2 LIGHT SNOW 32 SLEET 6 FOG 147 FOG W/VIS <= 1/4 MILE 15 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ STAARMANN