BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, OCTOBER 28, 2005 ALL TIMES ARE IN EASTERN STANDARD TIME [unless otherwise noted] Today's observations: 7 A.M. EST Weather: Overcast stratocumulus Temperature: 36F, Dew point: 26F, Wind: NW at 12 kt Sea-level pressure: 30.33 inches Hg, rising Visibility: 55 miles BHO SA 1155 45 OVC 55 270/36/26/3212/033/ FEW BINOVC ALQDS/ 8/4// 53012 10038 20036 10 A.M. EST Weather: Overcast stratocumulus Temperature: 40F, Dew point: 25F, Wind: NW at 8 kt Sea-level pressure: 30.37 inches Hg, rising Visibility: 60 miles BHO SA 1455 45 OVC 60 284/40/25/3108/037/ THN CLRNG LINE SW-NW FEW BINOVC OVHD STN FEW LWR SC FRMG/ 8/4// 53014 WEATHER SUMMARY FOR THURSDAY, OCTOBER 27 TEMPERATURE (DEGREES F) MAX.....48 NORMAL.....56 ASOS.....48 AT 12:30 P.M. MIN.....34 NORMAL.....40 ASOS.....34 AT 6:48 A.M. MEAN....41 NORMAL.....48 DEPARTURE FROM 30-YEAR NORMAL.......-7 TOTAL DEPARTURE FOR THE MONTH......+47 (+1.5 DEGREES/DAY) HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY..........24 DEPARTURE.....+6 TOTAL HEATING UNITS FOR THE MONTH.........312 DEPARTURE....-35 TOTAL HEATING UNITS FOR THE SEASON........384 DEPARTURE...-136 TOTAL HEATING UNITS LAST SEASON TO DATE...466 DIFFERENCE...-82 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........25 W AT 3:35 A.M. AEROVANE..........26 W AT 4:05 A.M. ASOS..............22 WNW AT 4:09 A.M. DAVIS.............24 WNW FASTEST MILE FOR YESTERDAY...........18 W AT 1:15 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE........16 W AT 4:22 A.M. AVERAGE WIND SPEED AND DIRECTION....9.7 W ASOS.............9.5 *LAST OF SEVERAL OCCURRENCES PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE....-0.14 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH.........14.32 DEPARTURE...+10.48 ASOS.............14.46 TOTAL PRECIPITATION FOR THE YEAR..........57.22 DEPARTURE...+15.93 ASOS.............56.13* *EXCLUDES 3.19 INCHES OF ERRONEOUS PRECIPITATION RECORDED FROM 1/23-1/28. PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2005......CALENDAR DAY DATA DATA REPORTED: DATE MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 10/1 70/49/60/+3/0/690/98 21 MPH S 10/2 75/52/64/+8/0/681/97 23 MPH SSW 10/3 73/56/65/+9/0/656/94 15 MPH S 10/4 74/55/65/+9/T/382/55 17 MPH S 10/5 78/56/67/+12/0/471/68 17 MPH S 10/6 77/64/71/+16/T/366/53 25 MPH 10/7 78/65/72/+17/0.03/158/23 31 MPH S 10/8 71/50/61/+7/1.32/000/00 45 MPH NNE/S Aero 50 MPH S 10/9 52/47/50/-4/1.33/000/00 50 MPH NNE Aero 48 MPH NNE 10/10 53/50/52/-2/0.19/000 25 MPH NNE 10/11 54/50/52/-1/0.28/000/00 42 MPH NNE Aero 40 MPH NE 10/12 53/49/51/-2/0.22/000/00 47 MPH NE Aero 45 MPH NE 10/13 54/52/53/+1/0.15/000/00 40 MPH NE 10/14 56/53/55/+3/2.25/000/00 37 MPH NE 10/15 58/49/54/+2/4.58/000/00 34 MPH NE 10/16 58/48/53/+2/0/331/50 55 MPH WSW Aero 57 MPH W 10/17 60/44/52/+1/0/554/84 47 MPH W Aero 49 MPH W 10/18 64/43/54/+3/0.03/282/43 42 MPH W Aero 42 MPH W 10/19 64/46/55/+4/0/510/78 35 MPH W Aero 36 MPH S 10/20 54/41/48/-2/0/612/94 38 MPH W Aero 40 MPH W 10/21 56/39/48/-2/0/506/78 22 MPH W 10/22 48/39/44/-6/0.78/000/00 44 MPH NE Aero 45 MPH NE 10/23 46/41/44/-5/0.44/000/00 45 MPH NE Aero 46 MPH NE 10/24 47/38/43/-6/0.27/000/00 37 MPH NE Aero 35 MPH NE 10/25 48/37/43/-6/2.45/000/00 67 MPH NNE Aero 67 MPH NE 10/26 47/35/41/-7/T/375/58 47 MPH WNW Aero 52 MPH WNW 10/27 48/34/41/-7/0/.../.. 25 MPH W 10/28 MORNING LOW 36 DEGREES 10/7; NEW RECORD HIGH MINIMUM TEMPERATURE FOR THIS DATE OF 65 DEGREES; previous record was 61 degrees in 1944 and 1946. 10/15; NEW RECORD RAINFALL is 4.58 inches for the date; previous record was 3.12 inches in 1930. 10/25; NEW RECORD RAINFALL is 2.45 inches for the date; previous record 2.24 inches in 1980. DAILY EXTREMES... Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR OCTOBER 28 HIGH 81 IN 1919 LOW 23 IN 1914 PRECIP 1.92 INCHES IN 1902 SNOWFALL TRACE IN 1934,1957,1979 PEAK GUST 71 MPH SSW IN 1995 RECORDS FOR OCTOBER 29 HIGH 74 IN 1989 LOW 23 IN 1891 PRECIP 2.27 INCHES IN 1953 SNOWFALL TRACE IN 1902,1952 PEAK GUST 69 S IN 2003 TODAY'S REPORT BY: Andrew Hoell