BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, JUNE 8, 2016 ALL TIMES ARE IN EASTERN STANDARD TIME COOLER TEMPERATURES AND LOW HUMIDITIES AFTER LAST NIGHT'S RAIN Cooler temps remained in place after last night's rain which totaled 0.18 inches. The morning low was 54F, 1F below normal and the first below average minimum temp. for the month. The maximum temp. for the day was 70F by the 1:00PM EST observation. Today's Observations: 7 A.M. Weather: Few altocumulus in all directions, scattered cirrus Temperature: 60F; Dew Point: 50F; Wind: W at 10G16 kts Sea-level pressure: 29.51 ins. Hg, rising unsteadily Visibility: 40 miles 6-hr Max temp: 60F 6-hr Min temp: 54F 24-hr precip: 0.18 BHO SA 1155 250 SCT 40 992/60/50/2810G16/951/ FEW AC ALQDS/ 8/082 52018 ASOS 70018 MANUAL 70018 10060 20054 10 A.M. Weather: Scattered cumulus, scattered cirrostratus Temperature: 66F; Dew Point: 50F; Wind: W at 14G19 kts Sea-level pressure: 29.49 ins. Hg, falling, then more slowly Visibility: 40 miles BHO SA 1455 44 SCT 250 SCT 40 988/66/50/2814G19/949/ 8/108 56004 1 P.M. Weather: Scattered cumulus, broken cirrostratus Temperature: 69F; Dew Point: 48F; Wind: W at 13G18 kts, Wind Direction: variable SW-WNW Sea-level pressure: 29.48 ins. Hg, falling, then more quickly Visibility: 40 miles 6-hr Max temp: 70F 6-hr Min temp: 60F BHO SA 1755 54 SCT E250 BKN 40 984/69/48/2713G18/948/ WND 23V30/ 8/108 58004 10070 20060 SUMMARY FOR TUESDAY, JUNE 7, 2016 TEMPERATURE (DEGREES F) MAX.....83 NORMAL.....73 MIN.....25 NORMAL.....55 MEAN....71 NORMAL.....64 DEPARTURE FROM 30-YEAR NORMAL.........................+7 TOTAL DEPARTURE FOR THE MONTH........................+27 [+3.7 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............0 DEPARTURE..........-4 TOTAL HEATING UNITS FOR THE MONTH...............8 DEPARTURE.........-22 TOTAL HEATING UNITS FOR THE SEASON...........5256 DEPARTURE.......-1077 TOTAL HEATING UNITS LAST SEASON TO DATE......6479 DIFFERENCE......-1223 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............6 DEPARTURE..........+4 TOTAL COOLING UNITS FOR THE MONTH..............19 DEPARTURE..........+5 TOTAL COOLING UNITS FOR THE SEASON.............67 DEPARTURE.........+29 TOTAL COOLING UNITS LAST SEASON TO DATE........49 DIFFERENCE........+18 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY...................32 WNW AT 7:36 P.M. ASOS........................32 WNW AT 7:37 P.M. DAVIS.......................29 SSW AT 11:53 P.M. RMY 33 FASTEST MILE FOR YESTERDAY.....................22 NNW AT 7:39 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................22 NW AT 7:39 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................21 WNW AT 7:38 P.M. AVERAGE WIND SPEED AND DIRECTION.............10.8 S ASOS......................11.5 DAVIS.....................9.8 SW [220 Deg.] * Last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.18 DEPARTURE......+0.02 ASOS..............0.18 TOTAL PRECIPITATION FOR THE MONTH..........0.94 DEPARTURE......-0.22 ASOS..............0.96 TOTAL PRECIPITATION FOR THE YEAR..........21.01 DEPARTURE......-2.81 ASOS.............21.40 PRELIMINARY CLIMATE SUMMARY FOR JUNE CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO/RMY GUST AERO: Aerovane wind recording system gust RMY: R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized 6/1 71/54/63/+1/0.00/.../.. 26 NE AERO 30 NE RMY N/A 6/2 68/54/61/-1/0.00/.../.. 21 NE AERO 22 NE RMY 21 6/3 70/57/64/+2/T/.../.. 16 SSW AERO 17 SSW RMY 16 6/4 81/61/71/+8/0.00/.../.. 18 S AERO 21 S RMY 20 6/5 67/60/64/+1/0.76/000/00 32 SSE AERO 36 SSE RMY 34 6/6 80/63/72/+9/0.00/.../.. 26 W AERO 28 W RMY 27 6/7 83/58/71/+7/0.18/.../... 32 WNW AERO 36 WNW RMY 33 6/8 low temp since midnight is 54F; normal low now 55F * Last of several occurrences DAILY RECORDS FOR JUNE 2016 None so far DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): 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] RECORDS FOR JUNE 9 HIGH 94F IN 2008 LOW 40F IN 1980 PRECIP 2.08 INCHES IN 1931 PEAK GUST 67 MPH NW IN 1973 TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle