BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY OCTOBER 19, 2004 TODAY'S DISCUSSION...2 p.m. Light rain began around 12:45 a.m. early today. The rain totaled 0.62 inch thru 2 p.m. today and was continuing. TODAY'S OBSERVATIONS... 8 a.m. obscurement with fog and visibility 1/4 mile in light rain and heavy fog; temp and dewpoint 44; wind nne at 05 mph; six hourly min. temp. 43; 24 hourly precipitation 0.30 inch BHO SA 1155 W3 X 1/4R-F 223/44/44/0304/019/ VSBY N-NE 1/8 SW 1 CDNS HIER PST HR/ 8//// 53000 ASOS 60024 MANUAL 6025/ ASOS 70029 MANUAL 70030 10044 20043 11 a.m. overcast with 7 miles visibility in light rain; temp. 46; dewpoint 45; wind ne at 12 mph; 3-hourly precipitation 0.13 inch; day's total 0.53 inch BHO SA 1455 8 SCT E16 BKN 22 OVC 7R- 228/46/45/0410/020/ FEW STFRA DRFTG BLO SMT VSBY N-NE 9/ 8/72/ 51005 ASOS 60023 MANUAL 6023/ 2 p.m. obscurement with 1/4 miles in fog visibility 1/8 variable 1/2 miles with light rain and fog; temp. and dewpoint 46; wind nne at 10 mph; six hourly max. temp. 47 deg; six hourly precip. 0.32 inch. BHO SA 1755 W3 X 1/4VR-F 216/46/46/0209/017/ VSBY 1/8V1/2 S-SW 1 CDNS LWRD RPDLY/ 8//// 56013 ASOS 60032 MANUAL 6032/ 10047 20044 ALL TIMES EASTERN DAYLIGHT TIME.. WEATHER SUMMARY FOR MONDAY OCTOBER 18: TEMPERATURE (DEGREES F) MAX.... 56 NORMAL.....60 HAZEN SHELTER 55.3 @ 3:14 p.m. MIN.....39 NORMAL.....42 HAZEN SHELTER 38.6 @ 7:13 a.m. MEAN....48 NORMAL.....51 DEPARTURE FROM 30-YEAR NORMAL.....- 3 TOTAL DEPARTURE FOR THE MONTH.....+25 (+1.2 DEGREES/DAY) PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........29 W AT 10:57 A.M. AEROVANE.........30 W AT 10:57 A.M. ASOS.............26 W AT 10:57 A.M. DAVIS............28 W AT 10:57 A.M. FASTEST MILE FOR YESTERDAY..........21 W AT 10:59 A.M. HIGHEST ASOS 2 MIN AV...23 W AT 10:58 A.M. HIGHEST DAVIS 1 MIN AV...25 W AT 10:57 A.M. AVERAGE WIND SPEED AND DIRECTION.. 12.2 W ASOS........... 12.1 WSW / 250 deg. DAVIS.......... 12.7 W / 280 deg. PRECIPITATION (INCHES) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.30 DEPARTURE....+0.16 ASOS..............0.29 TOTAL PRECIPITATION FOR THE MONTH..........1.68 DEPARTURE....-0.84 ASOS..............1.67 TOTAL PRECIPITATION FOR THE YEAR..........43.94 DEPARTURE....+3.82 ASOS.............42.27 PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 2004......CALENDAR DAY DATA DATA REPORTED: 24 HOUR PERIODS ENDING MIDNIGHT EST DATE MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST ... SUNSHINE DATA NOT YET AVAILABLE * * sunshine data updated thru 10/13.... 10/1 68/51/60/+3/0/591/84 16 MPH ESE 10/2 68/52/60/+4/0.01/056/08 22 MPH S 10/3 59/46/53/-3/0/621/89 27 MPH NNW 10/4 68/46/57/+1/0/626/90 23 MPH W 10/5 55/40/48/-7/0/665/96 32 MPH NW Aero 35 MPH NW 10/6 61/37/49/-6/0/669/97 23 MPH SSW 10/7 71/46/59/+4/0/653/95 17 MPH WSW 10/8 74/54/64/+10/0/650/95 23 MPH S 10/9 71/56/64/+10/0/143/21 28 MPH S 10/10 66/48/57/+3/T/251/37 27 MPH NW 10/11 62/45/54/+1/0/412/61 30 MPH WNW Aero 35 MPH WNW 10/12 59/45/52/-1/0.06/155/23 35 MPH WNW Aero 39 MPH WNW 10/13 69/41/55/+3/0/637/95 22 MPH WSW 10/14 57/46/52/0/0.08/040/06 28 MPH NNE 10/15 59/54/57/+5/0.93/000/00 23 MPH N 10/16 62/47/55/+4/0.30/.../.. 39 MPH SW Aero 42 MPH SW Davis 41 MPH SSW ** 10/17 55/41/48/-3/0/.../.. 32 MPH SSW Aero 36 MPH SW 10/18 56/39/48/-3/0/.../.. 29 MPH W ** error reported in yesterday's report refers to sunshine data for 10/16 10/19 morning low temp. 43 deg; rainfall thru 8 a.m. 0.30 inch OUR DAILY EXTREMES.... There are no new daily records for October thru 10/17. Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR OCTOBER 19 HIGH 81F IN 1945 LOW 21F IN 1922 PRECIP 3.64 INCHES IN 1932 SNOWFALL 1.0 INCHES IN 1972 PEAK GUST 66 MPH SSW IN 1967 RECORDS FOR OCTOBER 20 HIGH 78 IN 1965,1984 LOW 24 IN 1972 PRECIP 7.10 INCHES IN 1996 (RECORD FOR MONTH) SNOWFALL TRACE IN 1934,1943 PEAK GUST 63 MPH W IN 1966 Today's report: Robert Skilling