BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, JUNE 4, 2006 ALL TIMES ARE IN EASTERN STANDARD TIME Today's observations: 7 A.M. Weather: Obscured Temperature: 50F, Dew point: 50F, Wind: N at 15G28 kt Sea-level pressure: 29.71 inches Hg, rising Visibility: 1/4 of a mile BHO SA 1155 W2 X 1/4F 061/50/50/3615G28/971/ PK WND 3628/1444/ 8//// 51009 ASOS 60006 70192 10050 20050 10 A.M. Weather: Obscured Temperature: 53F, Dew point: 53F, Wind: NNW at 10 kt Sea-level pressure: 29.72 inches Hg, rising Visibility: 1/2 of a mile BHO SA 1455 W2 X 1/2F 064/53/53/3410/972/ VSBY W 1 1/4/ 8//// 51003 WEATHER SUMMARY FOR SATURDAY, JUNE 3 TEMPERATURE (DEGREES F) MAX.....56 NORMAL.....72 MIN.....50 NORMAL.....53 MEAN....53 NORMAL.....62 DEPARTURE FROM 30-YEAR NORMAL......-9 TOTAL DEPARTURE FOR THE MONTH......+3 (+0.8 DEGREES/DAY) HEATING DEGREE DAYS HEATING DEGREE DAY UNITS FOR YESTERDAY.....12 DEPARTURE.....+8 TOTAL HEATING UNITS FOR THE MONTH..........14 DEPARTURE......0 TOTAL HEATING UNITS FOR THE SEASON.......5728 DEPARTURE...-583 TOTAL HEATING UNITS LAST SEASON TO DATE...N/A DIFFERENCE...N/A PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY.........44 NNE AT 7:57 P.M. AEROVANE..........42 NNE AT 8:00 P.M. ASOS..............36 N AT 7:58 P.M. DAVIS.............37 NE FASTEST MILE FOR YESTERDAY...........29 NNE AT 7:59 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE........28 NNE AT 7:58 P.M. DAVIS.............N/A AVERAGE WIND SPEED AND DIRECTION.....12.8 NNE ASOS..............12.8 DAVIS.............N/A PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....1.92 DEPARTURE....+1.79 ASOS..............1.94 TOTAL PRECIPITATION FOR THE MONTH..........3.39 DEPARTURE....+3.00 ASOS..............3.39 TOTAL PRECIPITATION FOR THE YEAR..........25.39 DEPARTURE....+3.26 ASOS.............25.04 PRELIMINARY CLIMATE SUMMARY FOR JUNE 2006......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 6/1 86/60/73/+11/0.47/443/49 45 WSW TSTM 6/2 69/56/63/+1/.../000/00 25 NNE 6/3 56/50/53/-9/.../000/00 44 NNE DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 4 HIGH 99F IN 1919 [Record for month] LOW 41F IN 1915,1926 PRECIP 1.29 INCHES IN 1898 PEAK GUST 48 MPH SSE IN 1983 RECORDS FOR JUNE 5 HIGH 95F IN 1930 LOW 41F IN 1891 PRECIP 2.83 INCHES IN 1982 PEAK GUST 57 MPH NNW IN 1988 Today's Report by: Andrew Hoell