BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA ALL TIMES EASTERN DAYLIGHT TIME TUESDAY SEPTEMBER 20, 2005 TODAY'S DISCUSSION....2 P.M. A morning thunderstorm brought 0.04 inch of rain. September temperatures continue well above normal, now by +4.2 degrees, with this morning's low of 62 degrees running 10 degrees above the normal minimum for this date. TODAY'S OBSERVATIONS.... 8 A.M. obscurement with heavy fog and 1/8 mile visibility; temp/dewpoint 67; wind south at 16 gusting 23 mph; six hourly min. temp. 62 BHO SA 1155 W4 X 1/8VF 184/67/67/1714G20/007/ STRA DRFTG OVR SMT VSBY 1/16V1/4 CIG/VSBY INCRSNG/ 8//// 58009 10067 20062 11 A.M. overcast with thunderstorm and light rain shower and fog; visibility 3 miles; temp. 69; dewpoint 67; wind south at 16 mph; 3-hourly rainfall 0.04 inch.... thunderstorm w-nw moving east occassional lightning... BHO SA 1455 E38 BKN 48 OVC 3TRW-F 177/69/67/1714/005/ TB35 W-NW MOVG E OCNL LTGICCG W-NW/ 8/9// 58007 ASOS 60004 MANUAL 6004/ WEATHER SUMMARY FOR MONDAY SEPT 19: TEMPERATURE (DEGREES F) MAX......79 NORMAL.....70 HAZEN 79.2 AT 3:55 P.M. MIN......57 NORMAL.....53 HAZEN 56.7 AT 6:32 A.M. MEAN.....68 NORMAL.....61 DEPARTURE FROM 30-YEAR NORMAL.....+ 7 TOTAL DEPARTURE FOR THE MONTH.....+ 84 [4.2 deg. daily ] PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY......... 17 W AT 3:14 P.M. AEROVANE.............................. 19 S AT 11::53 P.M. ** ASOS...................................... N/A DAVIS.......................................18 W AT 3:14 P.M. ** eastern standard time........ FASTEST MILE FOR YESTERDAY.................. 13 S AT 11:47 P.M. ** MAXIMUM 2-MINUTE ASOS AVERAGE............ N/A MAXIMUM 1-MINUTE DAVIS AVERAGE............ 14 SSW AT 10:44 P.M. ** eastern standard time..... AVERAGE WIND SPEED AND DIRECTION... .... 7.8 W ASOS............................................................. 7.8 SSW [210 deg] DAVIS............................................................. 7.7 W [260 deg] N/A = not available due no ASOS connection.... 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 SEPT...............3.03 DEPARTURE....+0.44 ASOS..............3.04 TOTAL PRECIPITATION FOR THE YEAR..........42.12 DEPARTURE....+6.21 ASOS..............N/A N/A = not available due no ASOS connection... PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 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 9/1 81/73/73/+6/0.41/773/98 28 WNW 9/2 83/62/73/+7/0/786/100 23 WSW 9/3 78/61/70/+4/0/782/100 25 WNW 9/4 78/60/69/+3/0/725/93 21 NE 9/5 70/57/64/-1/0/770/99 24 NNE 9/6 74/56/65/0/775/100 16 S 9/7 81/57/69/+4/0/742/96 21 S 9/8 83/59/71/+6/0/670/87 20 SSW 9/9 70/60/65/+1/0/276/36 21 NW 9/10 71/53/62/-2/0/756/99 21 NNW 9/11 73/49/61/-3/0/709/93 28 SSW 9/12 88/60/74/+11/0/691/91 29 SW 9/13 81/66/74/+11/0/688/91 23 SSE 9/14 85/65/75/+12/0/550/73 27 S 9/15 72/66/69/+7/2.43/000/00 23 WNW 9/16 68/62/65/+3/N/A/000/00 24 NNE 9/17 67/61/64/+2/N/A/000/00 22 ENE 9/18 74/60/67/+6/0/186/25 17 W 9/19 79/57/68/+7/0/.../.. 17 W 9/20 morning low temp. 62 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR SEPTEMBER 20 HIGH 90 IN 1983 LOW 34 IN 1979 PRE 4.57 INS IN 1899 WIND 44 MPH NE IN 1972 RECORDS FOR SEPTEMBER 21 HIGH 91 IN 1895 LOW 35 IN 1929, 1956, 1962 PRE 5.58 INS IN 1961 (HURRICANE ESTHER; RETURNED AS TS SEPT 25-26TH) WIND 186 MPH S IN 1938 (GREAT NEW ENGLAND HURRICANE; CALCULATED GUST, STATION RECORD) TODAY'S REPORT BY: Robert Skilling