BLUE HILL METEOROLOGICAL OBSERVATORY, MILTON, MASSACHUSETTS 02186 ELEVATION 635 FT. ABOVE MSL....10 MILES SSW OF BOSTON, MA SATURDAY, SEPTEMBER 22, 2001 PLEASE VISIT OUR WEB SITE AT: http:// www.bluehill.org DAILY DISCUSSION... THUNDERSTORMS WITH HEAVY RAIN OVERNIGHT IN SOUTHEAST NEW ENGLAND... The 24-hour rainfall total at the observatory is 1.45 inches with about 1 inch of that falling in two hours from 1-3 AM this morning during a strong thunderstorm. The daily rainfall total for the 22nd will likely be a new record for the date. Areas to the south and east of Milton received from 2-3 inches of rain overnight. A humid air mass remains in place today with the dew point rising as high as 66 so far under partly sunny skies with about 10 mile visibility. - MJI NEXT MEETING OF THE BLUE HILL OBSERVATORY... None scheduled. BLUE HILL OBSERVATIONS Look for the hourly observations from the Blue Hill ASOS on the Internet. Our station code is KMQE. One good site is run by the NWS: http://weather.noaa.gov/weather/current/KMQE.html The main page for this site is: http://weather.noaa.gov/index.html Today's observations: 8 AM BHO SA 1155 2 SCT E10 OVC 8 165/65/65/1907/002/ STRA DRFTG OVR/BLO SMT VSBY LWR S VSBY DCRSG WND LGT/ 8/6// 55000 6072/ 70145 10065 20064 11 AM BHO SA 1455 E12 BKN 10 165/70/66/2209/002/ HAZY/ 8/5// 54000 WINDS AT BLUE HILL FOR FRIDAY, SEPTEMBER 21: PEAK WIND GUST FOR FRIDAY...........28 MPH SSE AT 10:24 AM EDT AEROVANE.........29 MPH SSE AT 10:24 AM EDT ASOS.............28 MPH SSE AT 10:24 AM EDT AVERAGE WIND SPEED AND DIR........13.3 MPH SSE ASOS...........13.6 MPH WINDS AT BLUE HILL FOR SATURDAY, SEPTEMBER 22: PEAK WIND GUST THROUGH 11 AM.........32 MPH S AT 5:26 AM EDT AEROVANE..........32 MPH S AT 5:26 AM EDT ASOS..............32 MPH S AT 5:26 AM EDT TEMPERATURES AT BLUE HILL FOR FRIDAY, SEPTEMBER 21 MAX.....68 NORMAL.....69 ASOS.....68 AT 5:56 PM EDT MIN.....62 NORMAL.....51 ASOS.....62 AT 1:01 PM EDT MEAN....65 NORMAL.....60 DEP.....+5 DEP FOR MONTH....+45 September is averaging more than 2 degrees above normal per day. HEATING DEGREE DAYS AT BLUE HILL: HEATING UNITS FOR FRIDAY................0 DEP.......-5 HEATING UNITS FOR THE MONTH............39 DEP......-20 HEATING UNITS FOR THE SEASON...........56 DEP......-14 HEATING UNITS LAST SEASON..............45 DIFF.....+11 PRECIPITATION DATA AT BLUE HILL..... TOTAL PRECIPITATION 24 HRS ENDING 8 AM....1.45 INS DEP....+1.32 INS ASOS.............1.37 INS TOTAL PRECIPITATION FOR THE MONTH.........2.35 INS DEP....-0.38 IN ASOS.............2.29 INS TOTAL PRECIPITATION FOR THE YEAR.........39.71 INS DEP....+5.53 INS ASOS............36.49 INS RECORDS FOR SEPTEMBER 22 HIGH 90 IN 1895, 1914 LOW 30 IN 1904 PRE 0.96 IN IN 1979 (SURPASSED TODAY) WIND 60 MPH SSW IN 1989 RECORDS FOR SEPTEMBER 23 HIGH 93 IN 1895, 1914 LOW 33 IN 1904 PRE 2.67 INS IN 1994 WIND 62 MPH SSW IN 1989 Daily wind records are for the period 1940-2000. Temperature and precipitation records are for the full period of record 1885-2000. Mike Iacono