BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA ALL TIMES EASTERN DAYLIGHT TIME MONDAY OCTOBER 17, 2005 TODAY'S DISCUSSION....2 P.M. PEAK WIND GUSTS FOR SUNDAY OVER 50 MPH.... PEAK HOURLY AVERAGE HITS 36 MPH WSW NEW RECORD MAXIMUM RAINFALL FOR OCTOBER 15 SET AT NEARLY 5 INCHES... Peak wind gusts of 55 MPH WSW, and 51 MPH WSW for yesterday were recorded by the 420C and ASOS wind systems respectively. The Aerovane had 57 MPH W, Maximum, Inc. Maestro was 57 MPH and Merlin 55 MPH. The Davis system had a peak of 53 MPH W. The time of these peaks were at 3:40 p.m. during the windiest hour of the day blowing 36 mph WSW from 3 to 4 p.m. EDT. A NEW DAILY RAINFALL RECORD has been established for 10/15, the manual record has not yet been completed. However, considering an ASOS amount of 4.92 inches for that calendar day ending at midnight we've easily surpassed the previous maximum rainfall for the date of 3.12 inches in 1930. Applying a 97.7% to the ASOS record our manual record for the date is estimated at 4.81 inches in the standard rain gage. The maximum rainfall for a 24 hour period was 6.35 ins. according to ASOS on Oct. 14-15. The maximum in 30 minutes was 0.68 inch and in 60 mins. was 1.12 ins. ending at 3:21 a.m. EDT. Oct. 15. TODAY'S OBSERVATIONS.... 8 A.M. broken high clouds with 80 miles visibility; temp. 49; dewpoint 39; wind west at 24 gusting 40 mph; six hourly min. temp. 48 deg. BHO SA 1155 E200 BKN 80 997/49/39/2721G35/952/ SC DSNT ALG HRZNS SE AND SW-WNW NMRS ACSL CLDS W-N-SE DENSE CI OVHD PTCHS CLR SKY ALQDS PK WND 2735/54/ 8/542 53015 10050 20048 11 A.M. broken clouds with 80 miles visibility; temp. 54; dewpoint 39; wind west at 21 gusting 31 mph... BHO SA 1455 E36 BKN 200 BKN 80 015/54/39/2818G27/957/ BKN V SCT DENSE CI DSNT NNE-E PK WND 2736/1358/ 8/500 51018 2 P.M. scattered clouds with 80 miles visibility; temp. 59; dewpoint 41; wind west at 22 gusting 32 mph; six hourly max. temp. 60 deg. BHO SA 1755 43 SCT 80 010/59/41/2619G28/956/ PK WND 2628/54/ 8/500 58005 10060 20049 WEATHER SUMMARY FOR SUNDAY OCTOBER 16: TEMPERATURE (DEGREES F) MAX......58 NORMAL.....60 HAZEN 58.0 @ 3:01 P.M. MIN......48 NORMAL.....43 HAZEN 48.0 @ 6:19 A.M. MEAN.....53 NORMAL.....51 DEPARTURE FROM 30-YEAR NORMAL......+2 TOTAL DEPARTURE FOR THE MONTH.....+80 [+ 4.8 deg. WARMER THAN NORMAL ] PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY......... 55 WSW AT 3:40 P.M. AEROVANE.............................57 WSW AT 2:20 P.M. ASOS......................................51 WSW AT 3:40 P.M. DAVIS......................................53 W AT 3:30 P.M. FASTEST MILE FOR YESTERDAY.............. 42 WSW AT 3:41 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.........43 WSW AT 3:41 P.M. MAXIMUM 1-MINUTE DAVIS AVERAGE....... 43 W AT 3:41 P.M. AVERAGE WIND SPEED AND DIRECTION... .... 27.5 W ASOS.............................................................. 26.2 W [260 deg ] DAVIS............................................................. ...26.1 W [260 deg ] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.00 DEPARTURE......-0.14 ASOS.............. 0.00 TOTAL PRECIPITATION FOR OCT ..............10.32 DEPARTURE......+8.11 ASOS..............10.49 TOTAL PRECIPITATION FOR THE YEAR........ 53.22 DEPARTURE.....+13.56 ASOS..............52.16 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 S 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/n/a/000/00 40 MPH NE 10/14 56/53/55/+3/n/a/000/00 37 MPH NE 10/15 58/49/54/+2/n/a/000/00 34 MPH NE * 10/16 58/48/53/+2/331/50 55 MPH WSW Aero 57 MPH W 10/17 morning low temp. 48; normal low now 42 * 10/15; NEW RECORD RAINFALL near 4.8 inches for the date; previous record was 3.12 inches in 1930. DAILY EXTREMES... Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR OCTOBER 17 HIGH 86F IN 1947 LOW 25F IN 1886 PRECIP 1.87 INCHES IN 1989 SNOWFALL TRACE IN 1970 PEAK GUST 55 MPH NE IN 1964 RECORDS FOR OCTOBER 18 HIGH 82F IN 1908 LOW 26F IN 1939 PRECIP 2.79 INCHES IN 1975 SNOWFALL TRACE IN 1972 PEAK GUST 66 MPH S IN 1967 TODAY'S REPORT BY: Robert Skilling