CXUS51 KPHI 020030 CLMABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 830 PM EDT WED MAY 01 2024 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 93 04/18/1976 LOW 12 04/01/1923 HIGHEST 88 82 6 88 LOWEST 30 26 4 25 AVG. MAXIMUM 63.1 63.4 -0.3 65.9 AVG. MINIMUM 41.8 40.3 1.5 42.0 MEAN 52.5 51.8 0.7 53.9 DAYS MAX >= 90 0 0.2 -0.2 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 4 6.1 -2.1 5 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.09 1952 MINIMUM 0.61 1985 TOTALS 5.56 3.67 1.89 6.00 DAILY AVG. 0.19 0.12 0.07 0.20 DAYS >= .01 13 11.8 1.2 10 DAYS >= .10 8 6.8 1.2 7 DAYS >= .50 3 2.3 0.7 3 DAYS >= 1.00 3 0.9 2.1 2 GREATEST 24 HR. TOTAL 2.00 04/03 TO 04/04 2.35 SNOWFALL (INCHES) RECORDS TOTAL 13.4 1982 24 HR TOTAL MM TOTALS 0.0 0.5 -0.5 0.0 SINCE 7/1 25.2 33.1 -7.9 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.1 -0.1 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM 0.0 DEGREE DAYS HEATING TOTAL 380 403 -23 336 SINCE 7/1 4746 5124 -378 MM COOLING TOTAL 11 8 3 13 SINCE 1/1 11 8 3 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.8 HIGHEST WIND SPEED/DIRECTION 38/090 DATE 04/03 HIGHEST GUST SPEED/DIRECTION 47/080 DATE 04/03 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.53 NUMBER OF DAYS FAIR 10 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 9 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 9 FOG W/VIS <= 1/4 MILE 1 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$