Climatological Report (Annual)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
000 CXUS51 KPHI 011935 CLAABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 235 PM EST FRI JAN 01 2021 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1922 TO 2020 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 96 07/19 MM MM 96 07/21 LOWEST 5 12/19 MM MM -4 02/01 AVG. MAXIMUM 64.6 61.4 3.2 64.0 AVG. MINIMUM 44.4 40.9 3.5 44.5 MEAN 54.5 51.1 3.4 54.3 DAYS MAX >= 90 24 11.0 13.0 24 DAYS MAX <= 32 8 23.0 -15.0 11 DAYS MIN <= 32 92 123.0 -31.0 108 DAYS MIN <= 0 0 1.0 -1.0 2 PRECIPITATION (INCHES) RECORD MAXIMUM 71.72 2011 MINIMUM MM MM TOTALS 50.13 45.35 4.78 60.66 DAILY AVG. 0.14 0.12 0.02 0.16 DAYS >= .01 124 126.0 -2.0 139 DAYS >= .10 73 78.0 -5.0 91 DAYS >= .50 28 29.0 -1.0 45 DAYS >= 1.00 9 11.0 -2.0 16 GREATEST 24 HR. TOTAL 4.92 2.75 STORM TOTAL MM MM SNOWFALL (INCHES) RECORDS TOTAL 74.4 1994 24 HR TOTAL MM MM SNOW DEPTH 28 01/24/2016 TOTALS 16.2 32.9 -16.7 26.1 LIQUID EQUIV 1.60 3.20 -1.60 2.61 SINCE 7/1 13.0 5.9 7.1 MM LIQUID 7/1 1.30 0.50 0.80 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 28 17.0 11.0 36 DAYS >= 1.0 3 8.0 -5.0 8 GREATEST SNOW DEPTH 11 12/17 6 03/04 12/18 24 HR TOTAL 1.9 MM 6.3 STORM TOTAL MM MM DEGREE DAYS HEATING TOTAL 4776 5800 -1024 4960 SINCE 7/1 1923 2194 -271 MM COOLING TOTAL 1043 757 286 1176 SINCE 1/1 1043 757 286 1176 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.8 RESULTANT WIND SPEED/DIRECTION 2/290 HIGHEST WIND SPEED/DIRECTION 40/250 DATE 08/27 HIGHEST GUST SPEED/DIRECTION 56/240 DATE 08/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.44 NUMBER OF DAYS FAIR 163 NUMBER OF DAYS PC 116 NUMBER OF DAYS CLOUDY 87 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 34 MIXED PRECIP 0 HEAVY RAIN 51 RAIN 71 LIGHT RAIN 170 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 2 SNOW 4 LIGHT SNOW 27 SLEET 0 FOG 159 FOG W/VIS <= 1/4 MILE 17 HAZE 73 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$