BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, AUGUST 5, 2007 ALL TIMES ARE IN EASTERN STANDARD TIME Today's observations: 7 A.M. Weather: Clear Temperature: 66F, Dew point: 54F, Wind: WNW at 8 kt Sea-level pressure: 30.05 inches Hg, rising Visibility: 80 miles 6-hour min temp: F 24-hour rainfall: None BHO SA 1155 CLR 80 177/66/54/3008/005/ FEW CI DSNT NE/ 8/001 53010 10069 20062 10 A.M. Weather: Clear Temperature: 74F, Dew point: 50F, Wind: NNW at 8 kt Sea-level pressure: 30.05 inches Hg, steady Visibility: 80 miles BHO SA 1455 CLR 80 178/74/50/3308/005/ FEW SC FRMG N AND SE WND 26V02/ 8/500 50001 WEATHER SUMMARY FOR SATURDAY, AUGUST 4 TEMPERATURE (DEGREES F) MAX.....89 NORMAL.....81 MIN.....71 NORMAL.....63 MEAN....80 NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL.........+8 TOTAL DEPARTURE FOR THE MONTH........+29 (+7.1 DEGREES/DAY) PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY..............29 WSW AT 4:40 P.M. AEROVANE...............26 WSW AT 4:40 P.M. ASOS...................N/A # DAVIS.................. * FASTEST MILE FOR YESTERDAY................22 W AT 4:10 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.............N/A # MAXIMUM 2-MINUTE DAVIS AVERAGE............ *. AVERAGE WIND SPEED AND DIRECTION.........11.7 W ASOS...................N/A # DAVIS.................12.0 SW [238 deg] * Missed because of standard time conversion # ASOS WINDS SWITCHED OFF BY NWS 6/6, IT IS NOT KNOWN WHEN THAT DATA WILL RESUME PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00 DEPARTURE.....-0.13 ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.00 DEPARTURE.....-0.49 ASOS..............0.00 TOTAL PRECIPITATION FOR THE YEAR..........30.36 DEPARTURE.....+0.46 ASOS FOR YEAR..........29.67 PRELIMINARY CLIMATE SUMMARY FOR AUGUST 2007......CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system when significant TSTM: Thunderstorm day ....: Data not yet available 8/1 84/67/76/+4/0/782/94 20 NNE Aero 17 MPH S 8/2 92/68/80/+8/0/.../.. 21 S 8/3 92/70/81/+9/0/.../.. 28 SSW 8/4 89/71/80/+8/0/.../.. 29 WSW NEW DAILY RECORDS FOR AUGUST 2007: None to date DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 5 HIGH 98F IN 1955 LOW 48F IN 1929,1972 PRECIP 3.03 INCHES IN 1893 PEAK GUST 60e MPH SW 1977 RECORDS FOR AUGUST 6 HIGH 95F IN 1931 LOW 48F IN 1934 PRECIP 1.47 INCHES IN 1995 PEAK GUST 44e MPH SSW IN 1940 TODAY'S REPORT PREPARED By: Andy Hoell