BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA SATURDAY, SEPTEMBER 21, 2002 PLEASE VISIT OUR WEB SITE AT: http:// www.bluehill.org DAILY DISCUSSION... HAZY, HUMID WEATHER MOVES BACK IN...Under mostly cloudy skies, the dew point has climbed to the mid-60s today with temperatures near 80. Visibility has been generally low varying from 10 to 15 miles. The monthly average temperature is now averaging about 4 degrees above normal and precipitation is exactly normal through yesterday. MJI Today's observations: 8 AM BHO SA 1155 250 -SCT 12 167/64/63/2012/002/ HAZY FEW STFRA/ 8/601 51010 10064 20062 11 AM BHO SA 1455 20 SCT 250 -SCT 300 -BKN 15 164/76/66/1910/001/ HAZY/ 8/501 58003 2 PM BHO SA 1755 30 BKN 250 OVC 12 151/79/66/2013/997/ HAZY THN SPTS IOVC/ 8/501 58013 10080 20064 WINDS AT BLUE HILL FOR FRIDAY, SEPTEMBER 20 PEAK WIND GUST FOR FRIDAY...........28 MPH SSW AT 9:13 PM EDT AEROVANE.........30 MPH SSW AT 9:13 PM EDT ASOS.............28 MPH SSW AT 9:05 PM EDT AVERAGE WIND SPEED AND DIR........16.2 MPH, SSW ASOS...........16.6 MPH WINDS AT BLUE HILL FOR SATURDAY, SEPTEMBER 21: PEAK WIND GUST THROUGH 2 PM..........27 MPH SW AT 12:46 PM EDT AEROVANE..........29 MPH SW AT 12:46 PM EDT ASOS..............25 MPH SW AT 12:19 PM EDT TEMPERATURES AT BLUE HILL FOR FRIDAY, SEPTEMBER 20 MAX.....77 NORMAL.....70 ASOS.....77 AT 2:24 PM EDT MIN.....57 NORMAL.....52 ASOS.....57 AT 6:00 AM EDT MEAN....67 NORMAL.....61 DEP......+6 DEP FOR MONTH....+83 The month is averaging 4 degrees above normal per day. HEATING DEGREE DAY UNITS THROUGH FRIDAY, SEPTEMBER 20 HEATING UNITS FOR FRIDAY.............0 DEP.....-5 HEATING UNITS FOR SEPTEMBER.........16 DEP....-52 HEATING UNITS FOR THE SEASON........47 DEP....-52 PRECIPITATION DATA AT BLUE HILL..... TOTAL PRECIPITATION 24 HRS ENDING 8 AM....0.00 IN DEP....-0.14 IN ASOS.............0.00 IN TOTAL PRECIPITATION FOR THE MONTH.........2.73 INS DEP.....0.00 IN ASOS.............N/A TOTAL PRECIPITATION FOR THE YEAR.........33.29 INS DEP....-2.91 INS ASOS.............N/A RECORDS FOR SEPTEMBER 21 HIGH 91 IN 1895 LOW 35 IN 1929, 1956, 1962 PRE 5.58 INS IN 1961 WIND 186 MPH S IN 1938 (CALCULATED GUST; HIGHEST 5-MIN WIND 121 MPH S; GREAT NEW ENGLAND HURRICANE) RECORDS FOR SEPTEMBER 22 HIGH 90 IN 1895, 1914 LOW 30 IN 1904 PRE 1.16 INS IN 2001 WIND 60 MPH SSW IN 1989 Daily wind records are for the period 1940-2001. Temperature and precipitation records are for the full period of record 1885-2001. Mike Iacono