BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS 02186 ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, JUNE 7, 2004 ALL TIMES ARE IN EASTERN DAYLIGHT TIME [unless otherwise noted] DISCUSSION TODAY AT 2 P.M..... Yesterday's rainfall included several hours of heavy drizzle and totaled 0.32 inch by the time measureable precipitation ended before midnight. A trace in very light drizzle was recorded for today. Yesterday's very cool maximum temperature of 55 degrees was way below the normal of 73 but fell seven degrees above the coldest June 6 which had a high of 48 degrees. TODAY'S OBS... 8 a.m. low overcast with 15 miles visibility; temp. 49; dewpoint 48; wind nw at 10 mph; six hour minimum temp. 48; 24 hr precip: 0.32 inch BHO COR SA 1155 E5 OVC 15 206/49/48/3209/014/ CIG/VSBY INCRSND RPDLY PST HR FEW LWR STRA AND FEW STRA DRFTNG BLO SMT VSBY LWR E-S THN F ALQDS/ 8/6// 51013 MANUAL 6000/ ASOS 70031 MANUAL 70032 10049 20048 11 a.m. low overcast with bright spots and few thin spots and sun visible; temp. 55; dewpoint 51; wind nw at 06 mph... BHO SA 1455 E7 OVC 25 210/55/51/3205/015/ NMRS BRGHT SPTS IOVC OCNL THN SPTS OVHD SUN VSB HAZY/ 8/5// 50004 2 p.m. high thin broken cirrus and hazy with visibility 25 miles; temp. 65; dewpoint 54; wind south 06 mph; six hour min. temp. 49 BHO SA 1755 250 -SCT 300 -BKN 25 204/65/54/1905/013/ FEW SC DSNT SE FEW LWR DENSE CI E-S HAZY/ 8/502 58006 10065 20049 WEATHER SUMMARY FOR SUNDAY, JUNE 06: TIMES: EASTERN DAYLIGHT TIME TEMPERATURE (DEGREES F) MAX.....55 NORMAL.....73 HAZEN SHELTER: 55.3 @ 10:14 a.m. MIN.....48 NORMAL.....53 HAZEN SHELTER: 48.3 @ 4:38 p.m. MEAN....52 NORMAL.....63 DEPARTURE FROM 30-YEAR NORMAL...... -11 TOTAL DEPARTURE FOR THE MONTH..... -33 JUNE IS AVERAGING AROUND 5.7 DEGREES COOLER THAN NORMAL DAILY.... HEATING DEGREE DAYS TOTAL HEATING DEGREE DAYS FOR YESTERDAY.......13 DEPARTURE.....+ 9 TOTAL HEATING DEGREE DAYS FOR THE MONTH...... 48 DEPARTURE.... +22 TOTAL HEATING DEGREE DAYS FOR THE SEASON....6261 DEPARTURE.....-62 TOTAL HEATING DEGREE DAYS FOR LAST SEASON...6822 DIFFERENCE...-561 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY........31 NE AT 4:46 P.M. AEROVANE.........32 NNE ASOS.............26 NNE AT 6:08 P.M. FASTEST MILE FOR YESTERDAY..........20 NNE AT 6:14 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......20 NNE AT 6:14 P.M. AVERAGE WIND SPEED AND DIRECTION..12.9 NE ASOS...........12.7 DAVIS 13.0 NE [ 52 deg ] PRECIPITATION (INCHES) THROUGH THIS MORNING (EDT) TOTAL PRECIPITATION 24 HRS ENDING 8 A.M....0.32 DEPARTURE....+0.19 ASOS..............0.31 TOTAL PRECIPITATION FOR THE MONTH..........0.93 DEPARTURE....+0.15 ASOS..............0.91 TOTAL PRECIPITATION FOR THE YEAR..........21.85 DEPARTURE....-0.67 ASOS.............20.16 There were NO new daily records set during the month of May.... We recorded an unusual number of days with fog totaling 19 and an unusual number of days with heavy fog totaling 17. PRELIMINARY CLIMATE SUMMARY FOR JUNE 2004......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 51/46/49/-13/0.32/000/00 28 MPH E 6/2 74/46/60/-2/0.08/.../.. 31 MPH WNW TSTM 6/3 72/50/61/-1/0.21/.../.. 40 MPH NW TSTM *Aerovane 46 MPH NW 6/4 72/47/60/-3/0/.../.. 21 MPH S 6/5 69/50/60/-3/0/.../.. 35 MPH E Aerovane 35 MPH E 6/6 55/48/52/-11/0.32/000/00 31 MPH NE 6/7 morning low temp. 48; normal low now 54 During June there is one daily record established so far for the month. The low maximum temp. of 51 degrees beat the previous record of 52 degrees for June 1. * not associated with TSTM.... 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 1.68 INS IN 1913 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 month] TODAY'S REPORT BY: Robert Skilling