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: SEPTEMBER 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 98 64 80 0 16 0 0 0 SSE 4 20s S 100 2 99 67 77 0 18 0 0 0 S 6 22s S 95 3 96 69 75 0 17 0 0 0 SSW 7 32w PC 35 4 77 59 59 0 3 0 0 0 WSW 11 34w PC 65 5 79 53 56 0 1 0 0 0 WSW 7 22w S 100 6 86 47 72 0 1 0 0 0 S 6 23s S 95 7 94 59 77 0 11 0 0 0 S 7 26s S 85 8 89 64 64 0 11 0 0 0 WSW 12 39w S 100 9 74 57 61 0 0 0 0 0 NNW 9 32nw PC 70 10 74 53 58 2 0 0 0 0 NNW 7 24nw PC 60 11 80 46 67 2 0 0 0 0 ESE 4 20se PC 60 12 72 59 59 0 1 .56 0 0 S 4 21se C 15 13 87 54 60 0 7 0 0 0 W 8 34w PC 75 F 14 81 54 60 0 3 0 0 0 NNW 6 24nw PC 60 15 85 51 63 0 3 0 0 0 W 5 22w S 95 16 70 57 64 1 0 .69 0 0 S 5 16s C 0 T 17 76 57 57 0 2 0 0 0 W 7 24w PC 50 18 77 48 58 2 0 0 0 0 SE 3 11se S 100 19 85 52 70 0 4 0 0 0 E 3 13e PC 40 20 77 54 54 0 0 0 0 0 N 7 25n S 95 21 79 45 68 3 0 0 0 0 SSE 5 20s S 100 22 95 59 70 0 12 .20 0 0 S 6 32n PC 80 T 23 92 65 72 0 14 .04 0 0 S 4 18s PC 75 24 *97 65 79 0 16 0 0 0 S 5 22w S 80 25 87 69 69 0 13 0 0 0 WSW 9 30w S 80 26 73 58 62 0 1 .01 0 0 NNW 5 18n C 15 27 73 59 69 0 1 1.18 0 0 N 5 20s C 0 28 78 61 61 0 4 .61 0 0 WSW 8 29s C 25 29 67 51 62 6 0 .01 0 0 SSE 3 12se C 0 30 74 59 61 0 2 3.26 0 0 SSE 9 34se C 0 ---------------------------------------------------------------------------------- 2471 1715 16 161 6.56 0 0 S 6.2 39w 61.7 ---------------------------------------------------------------------------------- MONTHLY STATS SEPTEMBER 2010 TEMPERATURE---------------------------------------------------------- AVG TEMP 69.8 Normal 66.5 Dep +3.3 AVG MAX 82.4 Normal 78.3 Dep +4.1 AVG MIN 57.2 Normal 54.7 Dep +2.5 MAXIMUM 99 on 2nd Lowest Max 67 on 29th MINIMUM 45 on 21st Highest Min 69 on 3rd, 25th NUMBER OF DAYS Max 90 or Higher 7 Max 32 or Lower 0 Min 32 or Lower 0 Min 0 or Lower 0 PRECIPITATION-------------------------------------------------------- MONTH TOTAL 6.56 Normal 3.07 Dep +3.07 YEAR TO DATE 27.99 Normal 28.64 Dep +0.65 NUMBER OF DAYS .01" or more 9 .10" or more 6 1.00" or more 2 LARGEST DAILY AMOUNT 3.26 on 30th Largest 24 Hr Amount 3.26 on 30th SNOWFALL------------------------------------------------------------- MONTH TOTAL Normal Dep SEASON TOTAL Normal Dep NUMBER OF DAYS 0.1" or more 1.0" or more Snow Cover 1" or more MAXIMUM DAILY SNOWFALL MAX 24 Hr Snowfall Storm Max OTHER---------------------------------------------------------------- NUMBER OF DAYS Fog 1 Thunder 2 Hail 0 Sleet 0 Glaze 0 Damaging Wind 0 Cloudy 7 Partly Cloudy 11 Sunny 12 Sunshine% 61.7% AVERAGE WIND SOUTH @ 6.2 mph PEAK GUST 39w on 8th MAX BAROMETER 30.26 on 18th MIN BAROMETER 29.44 on 30th TOTAL DEGREE DAYS HEATING 16 Normal 50 / COOLING 161 Normal 90 SEPTEMBER 2010 WEATHER REMARKS HAGERSTOWN 1E MARYLAND DAY 1st: Sunny and very hot high 98 F. Humidity very low. 2nd: Mostly sunny and very hot high of 99 F. close to the record of 100 set in 1953. Low humidity again today. 3rd: Partly to mostly cloudy and still hot and dry with high of 96 F. The usual dissipating showers and storms this evening from from cold front between 7-8pm only produced some gusty winds to 32 mph but no rain. 4th: Much cooler and windy today high 77 F. WSW winds gusting to 34 mph. 5th: Sunny and breezy high 79 F. 6th: Pleasant low of 47 F this morning. Sunny warmer today high 86 F. 7th: Sunny breezy and hot high 94 F. Very dry air humidity down to 13%. Dew point down to 31. 8th: Windy and warm high 89 F. West winds gusting to 39 mph. 9th: Partly cloudy windy and much cooler high 74 F. NNW winds gusting to 32mph. 10th: Partly cloudy and breezy high 74 F. 11th: Partly cloudy high 80 F. SOME NEEDED RAIN 12th: Periods of needed rain overnight between 1:30am - 8am .56" fell. Mostly cloudy and cool today high 72 F. 13th: Dense fog overnight and early this morning. Parly cloudy windy and warm high 87 F. West winds gusting to 34 mph this afternoon. 14th: Partly cloudy high 81 F. 15th: Sunny warm high 85 F. RAIN / THUNDERSTORMS 16th: Cloudy and cool today high 70 F. Rain fell between 3pm - 9pm. Showers and thunderstorms this evening 10pm - midnight nothing severe here. Rainfall total today .69". 17th: Partly cloudy and breezy high 76 F. 18th: Sunny high 77 F. 19th: Partly cloudy warm high 85 F. 20th: Sunny breezy high 77 F. 21st: Sunny high 79 F. HOT 22nd: Sunny became very hot this afternoon high of 95 F. close to the record of 96 set in 1931. Small very local thundershower this afternoon around 3:30pm dropped a quick .20" of rain. wind gust to 26 mph. Thunderstorms passed just to north around 7pm and caused strong gusty winds from north to 32 mph. 23rd: Light shower around 7am with .04" of rain. Partly cloudy and hot high 92 F. 24th:*RECORD HIGH TIED - High of 97 F. TIES RECORD for date set in 1902. Very rare to see temps this hot this late in season. 25th: Became mostly sunny windy and warm high 87 F. WSW winds gusting to 30 mph. 26th: Cloudy high 73 F. Light shower late this evening .01". RAIN 27th: Rain all day 1.18" fell. 28th: Rain overnight through 8am .61". Mostly cloudy today humid high 78 F. 29th: Cloudy high 67 F. Rain began just before midnight. HEAVY TROPICAL RAINS 30th: Rain overnight and all day moderate to heavy at times with gusty ESE winds to 34 mph. Total rain today 3.26". The heaviest rain fell east of here. Some areas in Maryland east of Baltimore got over 10 inches of rain. SEPTEMBER 2010