Climatological Report (Annual)
Issued by NWS Mt. Holly, NJ
Issued by NWS Mt. Holly, NJ
000 CXUS51 KPHI 090139 CLAABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 839 PM EST SAT JAN 08 2022 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1922 TO 2022 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 06/29 MM MM 96 07/19 06/30 LOWEST 8 02/08 MM MM 5 12/19 AVG. MAXIMUM 63.2 63.3 -0.1 64.6 AVG. MINIMUM 43.5 42.8 0.7 44.4 MEAN 53.3 53.1 0.2 54.5 DAYS MAX >= 90 23 18.2 4.8 24 DAYS MAX <= 32 17 22.0 -5.0 8 DAYS MIN <= 32 117 118.1 -1.1 92 DAYS MIN <= 0 0 1.2 -1.2 0 PRECIPITATION (INCHES) RECORD MAXIMUM 71.72 2011 MINIMUM 99.99 MM TOTALS 44.67 47.36 -2.69 50.13 DAILY AVG. 0.12 0.13 -0.01 0.14 DAYS >= .01 130 129.1 0.9 124 DAYS >= .10 77 81.5 -4.5 73 DAYS >= .50 25 31.3 -6.3 28 DAYS >= 1.00 9 12.3 -3.3 9 GREATEST 24 HR. TOTAL 4.15 09/01 TO 09/01 4.92 STORM TOTAL 4.15 4.92 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 74.4 1994 24 HR TOTAL MM SNOW DEPTH 28 01/24/2016 TOTALS 45.1 33.1 12.0 16.2 LIQUID EQUIV 4.50 3.30 1.20 1.60 SINCE 7/1 T 5.7 -5.7 MM LIQUID 7/1 -0.10 0.50 -0.60 MM SNOWDEPTH AVG. 1 0 DAYS >= TRACE 31 15.7 15.3 28 DAYS >= 1.0 8 8.1 -0.1 3 GREATEST SNOW DEPTH 24 02/02 11 12/17 12/18 24 HR TOTAL 22.4 02/01 TO 02/01 1.9 01/18 TO 01/18 STORM TOTAL 22.4 9.2 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 5114 5293 -179 4776 SINCE 7/1 1754 1970 -216 MM COOLING TOTAL 997 981 16 1043 SINCE 1/1 997 981 16 MM FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST 11/03 LATEST 04/22 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.7 RESULTANT WIND SPEED/DIRECTION 2/290 HIGHEST WIND SPEED/DIRECTION 38/240 DATE 03/26 HIGHEST GUST SPEED/DIRECTION 51/230 DATE 03/26 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.43 NUMBER OF DAYS FAIR 182 NUMBER OF DAYS PC 99 NUMBER OF DAYS CLOUDY 83 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 32 MIXED PRECIP 0 HEAVY RAIN 30 RAIN 60 LIGHT RAIN 156 FREEZING RAIN 2 LT FREEZING RAIN 5 HAIL 0 HEAVY SNOW 4 SNOW 8 LIGHT SNOW 32 SLEET 3 FOG 99 FOG W/VIS <= 1/4 MILE 13 HAZE 32 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$