BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SATURDAY, JUNE 7, 2008 ALL TIMES ARE IN EASTERN STANDARD TIME UNLESS NOTED HOT AND HUMID WEATHER PUSHES INTO NEW ENGLAND AFTER SEVERAL COOL DAYS...TEMPERATURE NEARING 90 DEGREES... After a cool morning low of 55, and a high and low of 59 and 51 on Friday, fog burned off quickly by mid-morning today. As of 2 PM, the temperature has climbed to 88 degrees and the dew point to 70 degrees. Today's observations: 8 A.M. EDT Weather: Sky partly obscured with fog and stratus; sun is dimly visible through the stratus Temperature: 58F, Dew point: 58F, Wind: SSW at 9 kts Sea-level pressure: 30.06 inches Hg, steady Visibility: 1 mile, fog 6-hourly minimum temperature: 55F 24-hour rainfall: 0.06 in. BHO SA 1155 –X E2 OVC 1F 181/58/58/2009/006/ F4 SUN DMLY VSBL VSBY INCR/ 8/6// 50000 70006 10058 20055 11 A.M. EDT Weather: Thin scattered cirrus Temperature: 75F, Dew point: 66F, Wind: SW at 7 kts Sea-level pressure: 30.04 inches Hg, falling Visibility: 10 miles, hazy BHO SA 1455 250 –SCT 10 173/75/66/2207/004/ HAZY WND LGT/ 8/001 58008 2 P.M. EDT Weather: Thin scattered cirrus, few lower dense cirrus Temperature: 88F, Dew point: 70F, Wind: SSW at 9 kts Sea-level pressure: 29.98 inches Hg, falling Visibility: 12 miles, hazy 6-hourly max. temp. 88F BHO SA 1755 250 –SCT 12 153/88/70/2009/998/ FEW LWR DNS CI NNW-N HAZY WND LGT AND VRB/ 8/001 58020 10088 20058 WEATHER SUMMARY FOR FRIDAY, JUNE 6 TEMPERATURE (DEGREES F) MAX.....59 NORMAL.....73 MIN.....51 NORMAL.....53 MEAN....55 NORMAL.....63 DEPARTURE FROM 30-YEAR NORMAL.............-8 TOTAL DEPARTURE FOR THE MONTH.............-2 [-0.5 DEGREES/DAY] HEATING DEGREE DAYS TOTAL HEATING UNITS FOR YESTERDAY............10 DEPARTURE........+6 TOTAL HEATING UNITS FOR THE MONTH............27 DEPARTURE........+1 TOTAL HEATING UNITS FOR THE SEASON.........5928 DEPARTURE......-395 TOTAL HEATING UNITS LAST SEASON TO DATE....5850 DIFFERENCE......+78 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY............21 SSE AT 4:48 P.M. * AEROVANE.............21 SSE AT 2:38 P.M. ASOS.................21 S AT 2:31 P.M. DAVIS................23 SE AT 2:30 P.M. FASTEST MILE FOR YESTERDAY..............14 S AT 6:16 P.M. * MAXIMUM 2-MINUTE ASOS AVERAGE...........14 SW AT 11:29 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..........16 SSE AT 2:35 P.M. AVERAGE.............9.3 SE ASOS................8.7 DAVIS...............7.9 SSE [147 deg] * Last of several occurrences. PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.06 DEPARTURE......-0.07 ASOS..............0.06 TOTAL PRECIPITATION FOR THE MONTH..........0.77 DEPARTURE......-0.01 ASOS..............0.78 TOTAL PRECIPITATION FOR THE YEAR..........23.43 DEPARTURE......+0.91 ASOS.............25.82 # # Includes erroneous ASOS precipitation data on 2/13/08. PRELIMINARY CLIMATE SUMMARY FOR JUNE 2008 CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane recording wind system gust when significant TSTM: Thunderstorm day ....: Data not yet available, records not finalized 6/1 79/58/69/+7/0/.../.. 32 W 6/2 76/53/65/+3/0/.../.. 28 WNW 6/3 84/58/71/+9/0/.../.. 28 S 6/4 66/54/60/-3/.../000/00 25 SSW Aero 23 MPH SSW 6/5 55/51/53/-10/.../000/00 31 N Aero 28 MPH N 6/6 59/51/55/-8/.../000/00 21 SSE 6/7 morning low temp. thru 7 a.m. 55F; normal low is 53F NO NEW DAILY RECORDS FOR JUNE TO DATE.. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 7 HIGH 93F IN 1999 LOW 40F IN 1932 PRECIP 4.01 INS IN 2006 PEAK GUST 58 MPH NE IN 1982 RECORDS FOR JUNE 8 HIGH 94F IN 1984 LOW 37F IN 1932 PRECIP 1.53 INS IN 1947 PEAK GUST 86e MPH WNW IN 1946 [Record for June] TODAY'S REPORT PREPARED By: Mike Iacono