Main page http://i4weather.net CLIMATOLOGCAL DATA: HAGERSTOWN MD LAT: 39.64028 LONG: -77.69792 ELEV: 540 FT. Station: Hagerstown 1E Md (Print Landscape) Observer: Gregory L Keefer Observation time: Midnight MONTH: DECEMBER YEAR: 2020 * Record Set or Tied EVENTS F=Fog T=Thunder TEMPERATURE F. DEGREE DAYS PRECIPITATION WIND(MPH) SKY H=Hail S=Sleet 12am (Base 65) Amt. Snow On Average G=Glaze(Frz Rain) Day MAX MIN Read HDD CDD Liq. Ice Gnd. Dir Speed Gust Cover %Sun DW=Damaging Wind 1 44 34 36 26 0 .03 T 0 W 13 36w C 10 2 45 32 33 27 0 0 0 0 W 13 35w PC 70 3 52 28 43 25 0 0 0 0 SSW 5 22w PC 55 4 47 41 42 21 0 .55 0 0 S 3 19s C 0 5 44 38 39 23 0 .05 0 0 NW 9 30nw C 5 6 41 27 27 31 0 0 0 0 NW 9 27nw PC 65 7 38 25 29 33 0 0 0 0 NW 4 19nw PC 40 8 43 28 30 30 0 0 0 0 NW 9 30nw S 95 9 45 28 34 28 0 T T 0 S 5 18s PC 25 10 51 29 30 25 0 0 0 0 NNW 2 12nw S 95 11 58 28 33 22 0 0 0 0 S 3 18s PC 70 12 57 31 46 21 0 0 0 0 ESE 3 15s PC 50 F 13 57 32 32 21 0 T 0 0 WNW 7 33w PC 35 14 39 32 34 30 0 .81 T 0 NNW 8 37nw C 10 F 15 38 26 33 33 0 0 0 0 NW 6 18nw PC 55 16 30 25 27 38 0 .70 5.7 6 NNE 8 28n C 0 S 17 35 22 31 37 0 .01 T 5 N 5 22n S 90 18 37 20 20 36 0 .01 0.1 4 N 2 12n C 20 19 34 13 30 41 0 0 0 3 S 2 11s C 0 20 41 28 34 30 0 T T 3 SSW 3 18s PC 25 21 43 28 37 30 0 .07 0 2 S 3 11s PC 30 F 22 44 34 36 26 0 .02 0 1 W 8 32w C 15 23 45 27 42 29 0 0 0 T S 6 26s PC 35 24 51 42 49 19 0 2.39 0 0 S 6 24w C 0 F 25 49 21 21 30 0 .17 T 0 W 13 35w C 10 26 28 20 26 41 0 0 0 0 W 8 25w C 20 27 38 18 34 37 0 0 0 0 SSE 4 19s PC 70 28 56 34 39 20 0 0 0 0 S 7 28w PC 30 29 39 23 25 34 0 0 0 0 NW 9 32nw S 85 30 44 25 44 31 0 0 0 0 S 8 28s PC 60 31 45 28 28 28 0 .02 0 0 N 6 18n C 0 -------------------------------------------------------------------------------- 43.8 28.0 903 0 4.83 5.8 W 6.4 37nw 37.7% -------------------------------------------------------------------------------- MONTHLY STATS DECEMBER 2020 TEMPERATURE---------------------------------------------------------- AVG TEMP 35.9 Normal 34.5 Dep +1.4 AVG MAX 43.8 Normal 42.4 Dep +1.4 AVG MIN 28.0 Normal 25.4 Dep +2.6 MAXIMUM 58 on 11th Lowest Max 28 on 26th MINIMUM 13 on 19th Highest Min 42 on 24th NUMBER OF DAYS Max 90 or Higher 0 Max 32 or Lower 2 Min 32 or Lower 25 Min 0 or Lower 0 PRECIPITATION-------------------------------------------------------- MONTH TOTAL 4.83 Normal 3.22 Dep +1.61 YEAR TO DATE 37.98 Normal 42.36 Dep -4.38 NUMBER OF DAYS .01" or more 12 .10" or more 5 1.00" or more 1 LARGEST DAILY AMOUNT 2.39 on 24th Largest 24 Hr Amount 2.56 24th -25th SNOWFALL------------------------------------------------------------- MONTH TOTAL 5.8 Normal 5.3 Dep -0.5 SEASON TOTAL 5.8 Normal 6.7 Dep -0.9 NUMBER OF DAYS 0.1" or more 1 1.0" or more 1 Snow Cover 1" or more 7 MAXIMUM DAILY SNOWFALL 5.7 on 16th MAX 24 Hr Snowfall 5.7 on 16th Storm Max 5.7 on 16th OTHER---------------------------------------------------------------- NUMBER OF DAYS Fog 4 Thunder 0 Hail 0 Sleet 1 Glaze 0 Damaging Wind 0 Cloudy 12 Partly Cloudy 15 Sunny 4 Sunshine% 37.7% AVERAGE WIND WEST @ 6.4 mph PEAK GUST 37nw on 14th MAX BAROMETER 30.57 on 29th MIN BAROMETER 29.39 on 24th TOTAL DEGREE DAYS HEATING 903 Normal 967 / COOLING 0 Normal 0 DECEMBER 2020 WEATHER REMARKS HAGERSTOWN 1E MARYLAND DAY 1st: Rain showers overnight and this morning between 4am -7am with some wet snow mixed in. Mostly cloudy windy and colder today with snow flurries and snow showers at times. The high of 44 was just after mid. A few snow flurries and snow showers this evening. West winds today gusting to 36 mph. 2nd: Some morning clouds then mostly sunny and windy high 45 F. West winds gusting up to 35 mph. 3rd: Partly cloudy high 52 F. RAIN 4th: Cloudy with rain beginning around noon and continuing the rest of day and into the evening with .55" falling by midnight. 5th: Rain overnight 12am - 2:30am .05" fell. Cloudy and windy today high 44 F. NW winds gusting to 30 mph. 6th: Partly cloudy breezy and cold high 41 F. NW winds gusting to 27 mph. 7th: Partly cloudy and cold high 38 F. 8th: Sunny windy and cold high 43 F. NW winds gusting to 30 mph. 9th: Morning clouds with a few snow flurries at times. Some afternoon clearing high 45 F. 10th: Sunny high 51 F. 11th: Partly cloudy and mild high 58 F. 12th: Some morning fog. Partly cloudy mild high 57 F. 13th: Few sprinkles of rain around 5am. Gusty morning winds from west up to 33 mph. Partly cloudy today high of 57 F this morning. Became colder during the day. RAIN / SOME WET SNOW 14th: Moderate rain began 5am and continued through the morning. Snow mixed in then changed to all snow by late morning then ending by 1pm. Snow was very wet with only trace amounts on the ground. Rainfall total was .81". Became windy with NW winds gusting up to 37 mph this afternoon and evening. 15th: Partly cloudy and cold high 38 F. SNOW / SLEET / SNOW 5.7" 16th: Snow flurries began just after 9am became a steady snow by 10am. Snow throughout the day was moderate to heavy at times. Sleet began mixing in around 4pm. Sleet fell for several hours changed back to snow late this evening ending near midnight. Total snow and sleet 5.7". Sleet held snow totals way down. 17th: Some very light snow fell just after midnight. Sunny & cold today high 35 F. Clouds moved in near sunset. A few late evening snow flurries. 18th: Some light snow this morning 5-6:30am 0.1"fell. A few more morning snow flurries. Mostly cloudy today high 37 F. 19th: Cold low of 13 F this morning. Overcast and cold today high 34 F. 20th: A few morning snow flurries. Mostly to partly cloudy a bit warmer high 41 F. 21st: Some light morning fog. Partly cloudy high 43 F. Rain showers this evening between 8pm -midnight .07". 22nd: Light shower overnight and this morning .02". Mostly cloudy and windy today high 44 F. West winds gusting to 32 mph. 23rd: Partly cloudy high 45 F. HEAVY RAIN 24th: Rain began just after 5am. Rain all day was moderate to heavy at times. A break in the rain this evening then more heavy rain moved in around 9pm with 2.39" of rain by midnight. High 51 F. 25th: CHRISTmas - Rain overnight and turning colder with some snow mixing in with rain before ending by 3:30am. WNW winds overnight gusting to 35 mph. Mostly cloudy windy and colder today. Light snow and snow showers fell between 10am -1pm dusted the ground slightly. West winds gusting to 35 mph. The high of 49 was just after midnight. Temperature in 20's all day. 26th: Mostly cloudy and cold high of 28 F. 27th: Partly cloudy high 38 F. 28th: Partly cloudy and mild high 56 F. 29th: Windy overnight NW winds gusting to 32 mph. Mostly sunny cold and breezy today the high of 39 was just after midnight. 30th: Partly cloudy and breezy high 44 F. 31st: Some light rain fell 7-9am. Overcast all day with a few sprinkles at times high 45 F. 2020 was the 2nd Warmest Year on Record with an average temperature of 56.2 F. The warmest year ever was in 1998 with an average of 56.8 F. DECEMBER 2020