Main page http://i4weather.net CLIMATOLOGCAL DATA: HAGERSTOWN MD LAT:39.38.31 LONG:77.42.06 ELEV:519 FT. Station: Hagerstown 1E Md (Print Landscape) Observer: Gregory L Keefer Observation time: Midnight MONTH: DECEMBER YEAR: 2010 * 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 61 31 31 19 0 2.17 T 0 W 12 53w C 5 S,T,DW 2 36 29 33 33 0 T T 0 W 7 26w C 20 3 37 29 29 32 0 T T 0 NNW 6 20nw PC 30 4 37 23 32 35 0 0 0 0 W 6 18w PC 50 5 35 28 29 34 0 T T 0 NW 11 34nw PC 30 6 33 25 25 36 0 T T 0 W 14 40w C 20 7 32 23 23 38 0 0 0 0 W 13 34w PC 40 8 29 21 22 40 0 T T 0 W 9 28w PC 40 9 32 18 19 40 0 0 0 0 NW 7 22nw PC 65 10 32 18 25 40 0 .01 0.1 T SSE 7 26se C 0 11 40 20 32 35 0 .02 0 0 S 2 10s C 20 G 12 38 32 35 30 0 .39 T 0 S 5 20s C 0 F,G 13 35 19 19 38 0 T T 0 NW 14 38nw C 25 14 22 17 17 45 0 T T 0 NW 16 40nw PC 30 15 27 17 17 43 0 T T 0 WNW 13 34nw PC 70 16 23 10 10 48 0 .08 1.2 1.2 SSE 3 15s C 0 17 36 10 25 42 0 0 0 1 W 5 20w PC 40 18 34 22 22 37 0 0 0 1 W 5 20w PC 35 19 33 18 19 39 0 0 0 1 NW 6 22nw PC 50 20 34 16 25 40 0 T T 0.5 NW 8 28nw C 20 21 37 25 29 34 0 0 0 T NW 6 24nw PC 60 22 38 29 29 31 0 0 0 T NW 8 29nw C 20 23 38 28 30 32 0 0 0 T NW 15 40nw PC 60 24 36 26 28 34 0 0 0 0 NW 8 28nw S 80 25 31 27 27 36 0 T T 0 NNW 4 11nw C 0 26 28 23 23 39 0 T T 0 NNW 11 34nw C 0 27 31 23 28 38 0 0 0 0 NW 16 46nw PC 75 28 40 24 29 33 0 0 0 0 W 12 39w S 95 29 45 23 23 31 0 0 0 0 WSW 6 22w PC 60 30 43 18 28 34 0 0 0 0 ESE 3 12se C 25 31 49 24 31 29 0 0 0 0 S 3 11s PC 40 ---------------------------------------------------------------------------------- 1102 696 1115 0 2.67 1.3 NW 8.4 53w 35.6 ---------------------------------------------------------------------------------- MONTHLY STATS DECEMBER 2010 TEMPERATURE---------------------------------------------------------- AVG TEMP 29.0 Normal 34.3 Dep -5.3 AVG MAX 35.5 Normal 42.4 Dep -6.9 AVG MIN 22.5 Normal 26.2 Dep -3.7 MAXIMUM 61 on 1st Lowest Max 22 on 14th MINIMUM 10 on 16th 17th Highest Min 32 on 12th NUMBER OF DAYS Max 90 or Higher 0 Max 32 or Lower 10 Min 32 or Lower 31 Min 0 or Lower 0 PRECIPITATION-------------------------------------------------------- MONTH TOTAL 2.67 Normal 2.84 Dep -0.17 YEAR TO DATE 35.77 Normal 37.96 Dep -2.19 NUMBER OF DAYS .01" or more 5 .10" or more 2 1.00" or more 1 LARGEST DAILY AMOUNT 2.17 on 1st Largest 24 Hr Amount 2.17 on 1st SNOWFALL------------------------------------------------------------- MONTH TOTAL 1.3 Normal 5.2 Dep -3.9 SEASON TOTAL 1.3 Normal 6.9 Dep -5.6 NUMBER OF DAYS 0.1" or more 2 1.0" or more 1 Snow Cover 1" or more 4 MAXIMUM DAILY SNOWFALL 1.2 on 16th MAX 24 Hr Snowfall 1.2 on 16th Storm Max 1.2 on 16th OTHER---------------------------------------------------------------- NUMBER OF DAYS Fog 1 Thunder 1 Hail 0 Sleet 1 Glaze 2 Damaging Wind 1 Cloudy 13 Partly Cloudy 16 Sunny 2 Sunshine% 25.6% AVERAGE WIND NW @ 8.4 mph PEAK GUST 533w on on 1st MAX BAROMETER 30.30 on 9th MIN BAROMETER 29.29 on 12th TOTAL DEGREE DAYS HEATING 1115 Normal 967 / COOLING 0 Normal 0 DECEMBER WEATHER REMARKS HAGERSTOWN 1E MARYLAND DAY STORMY WARM HEAVY RAIN STRONG WINDS COLDER 1st: Rapid weather changes today. Warm overnight with temps in the 60's. Strongs winds and heavy rain all night. Strong cold front passage around 7am with strong winds up to 53 mph and heavy rains with some thunder and rapidly falling temps from 61 into upper 30's. Rain continued through late morning with some sleet mixed in at times and falling temps. Cloudy windy and cold the rest of the day with a few flurries. MUCH COLDER WINDY SNOW FLURRIES 2nd Mostly cloudy breezy and cold with some snow flurries today high only 36 F. 3rd: Mostly to partly cloudy today cold with a few snow flurries high 37 F. 4th: Cold high 37 . 5th: Cold windy with snow flurries high 35 F. NW winds gusting to 34 mph. 6th: Cloudy cold windy with snow flurries high 33 F. West winds gusting to 40 mph. 7th: Cold windy high only 32 F. West winds gusting to 34 mph. Wind chill in teens all day. 8th: Partly cloudy windy and cold with snow flurries today high 29 F. Wind chill in teens 9th: Partly cloudy cold high 32 F. SNOW 0.1" 10th: Quick burst of snow and wind between 10am -11am from fast clipper system produced 0.1" of snow. SSE winds gusting to 26 mph. Lots of accidents as roads quickly turned to ice from snow. 11th: Rain and some freezing rain began late this evening around 11pm .02". 12th: A little freezing rain overnight changed to all rain. Periods of rain all day. Dense fog during the morning. Rainfall .39" COLDER WINDY 13th: Windy and colder with falling temps into 20's and wind chills falling into single numbers with NW winds gusting up to 38 mph. Periods of snow showers all day. 14th: Windy and very cold with snow flurries today high only 22 F. NW winds gusting to 40 mph. Wind chills in single digits all day. 15th: Windy and cold high 27 F. Few snow flurries this morninig. SNOW 1.2" 16th: Cold with light snow today 11am -5pm 1.2" fell. Snow was briefly moderate at times. High only 23 F. temperatures fell rapidly this evening to 10 F by midnight. 20th: Cold windy with a few snow flurries. 23rd: Windy with NW winds gusting to 40 mph. 24th: Mostly sunny high 36 F. Windy with NW winds to 28 mph 25th: CHRISTMAS - A Dusting of snow. Light snow fell 7 - 11am and coated the ground. A few snow flutties later. High of 31 F. 26th: Cloudy windy and cold with a few flakes of snow high 28 F. NNW winds gusting to 34 mph. 27th: Cold very windy high 31 F. NW winds gusting to 46 mph 28th: Sunny windy high 40 F. West winds gusting to 39 mph. 29th: Sunny Breezy warmer high 45 F. 30th: Mostly cloudy high 43 F. 31st: Partly cloudy high 49 F. DECEMBER 2010