BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA SATURDAY, SEPTEMBER 14, 2002 PLEASE VISIT OUR WEB SITE AT: http:// www.bluehill.org DAILY DISCUSSION... PARTLY SUNNY AND WARM WITH HIGH CLOUDS TODAY.... RAIN ARRIVING ON SUNDAY.... Another beautiful day today under mostly sunny but hazy skies with the temperature reaching the low-80s early this afternoon. Clouds will move in overnight ahead of the significant rainfall expected Sunday. The mean temperature for September is running about 3 degrees above normal. MJI Today's observations: 8 AM BHO SA 1155 200 SCT 250 -OVC 15 228/65/58/2102/020 THN K LYR BLO INVSN ALQDS THN PTCHY GF DSPTG ALQDS VSBY NW 40 ABV INVSN WND LGT/ 8/001 51013 10065 20061 11 AM BHO SA 1455 200 SCT 250 -SCT 25 231/76/58/1605/021/ HAZY WND LGT AND VRB/ 8/001 51003 2 PM BHO SA 1755 40 SCT 200 SCT 250 -BKN 20 218/83/54/2012/017/ HAZY FEW CUFRA WND 17V23/ 8/101 58013 10083 20065 WINDS AT BLUE HILL FOR FRIDAY, SEPTEMBER 13 PEAK WIND GUST FOR FRIDAY...........32 MPH WSW AT 2:10 PM EDT AEROVANE.........31 MPH WSW AT 2:48 PM EDT ASOS.............31 MPH WSW AT 2:11 PM EDT AVERAGE WIND SPEED AND DIR........15.3 MPH, WSW ASOS...........15.4 MPH WINDS AT BLUE HILL FOR SATURDAY, SEPTEMBER 14: PEAK WIND GUST THROUGH 2 PM..........22 MPH SSW AT 1:34 PM EDT AEROVANE..........23 MPH SSW AT 1:34 PM EDT ASOS..............N/A TEMPERATURES AT BLUE HILL FOR FRIDAY, SEPTEMBER 13 MAX.....79 NORMAL.....72 ASOS.....79 AT 4:20 PM EDT MIN.....51 NORMAL.....54 ASOS.....51 AT 4:06 AM EDT MEAN....65 NORMAL.....63 DEP......+2 DEP FOR MONTH....+40 The month is averaging 3 degrees above normal per day. HEATING DEGREE DAY UNITS THROUGH FRIDAY, SEPTEMBER 13 HEATING UNITS FOR FRIDAY.............0 DEP.....-4 HEATING UNITS FOR SEPTEMBER.........16 DEP....-21 HEATING UNITS FOR THE SEASON........47 DEP....-21 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.........1.30 INS DEP....-0.45 IN ASOS.............1.26 INS TOTAL PRECIPITATION FOR THE YEAR.........31.86 INS DEP....-3.36 INS ASOS............30.32 INS RECORDS FOR SEPTEMBER 14 HIGH 90 IN 1931 LOW 34 IN 1911 PRE 4.38 INS IN 1944 WIND 96 MPH E IN 1944 (ESTIMATED; FASTEST 2-MIN WIND 77 MPH; 1944 HURRICANE) RECORDS FOR SEPTEMBER 15 HIGH 89 IN 1931 LOW 35 IN 1913 PRE 3.93 INS IN 1904 WIND 65 MPH NW IN 1944 (ESTIMATED) Daily wind records are for the period 1940-2001. Temperature and precipitation records are for the full period of record 1885-2001. Mike Iacono