Climatological Report (Monthly)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
901 CXUS51 KPHI 020750 CLMABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 250 AM EST TUE JAN 02 2024 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... 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 72 12/01/2006 12/04/1998 12/29/1984 LOW -9 12/31/1917 HIGHEST 59 59 0 59 LOWEST 21 8 13 3 AVG. MAXIMUM 46.7 43.1 3.6 42.1 AVG. MINIMUM 31.8 26.8 5.0 23.7 MEAN 39.3 35.0 4.3 32.9 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 4.8 -4.8 3 DAYS MIN <= 32 17 23.8 -6.8 27 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.89 1973 MINIMUM 0.39 1955 TOTALS 8.62 3.86 4.76 4.43 DAILY AVG. 0.28 0.12 0.16 0.14 DAYS >= .01 13 11.5 1.5 9 DAYS >= .10 8 7.3 0.7 8 DAYS >= .50 5 2.8 2.2 3 DAYS >= 1.00 4 1.0 3.0 1 GREATEST 24 HR. TOTAL 3.27 12/17 TO 12/18 1.35 SNOWFALL (INCHES) RECORDS TOTAL 28.4 1966 24 HR TOTAL MM TOTALS T 4.6 -4.6 1.4 SINCE 7/1 T 5.7 -5.7 MM SNOWDEPTH AVG. 0 -1 DAYS >= 1.0 0 1.4 -1.4 1 GREATEST SNOW DEPTH 0 MM 12/29 12/30 12/16 24 HR TOTAL T MM DEGREE DAYS HEATING TOTAL 790 932 -142 989 SINCE 7/1 1877 1970 -93 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 790 981 -191 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.7 HIGHEST WIND SPEED/DIRECTION 36/080 DATE 12/28 HIGHEST GUST SPEED/DIRECTION 42/080 DATE 12/28 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.62 NUMBER OF DAYS FAIR 7 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 15 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 8 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 6 SLEET 0 FOG 17 FOG W/VIS <= 1/4 MILE 2 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$