BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, JUNE 13, 2017   ALL TIMES ARE IN EASTERN STANDARD TIME HOT AND HUMID CONDITIONS CONTINUE Temperatures continued to rise yesterday afternoon reaching 94F which broke the previous record of 92F set in 1973. Yesterday's minimum temperature of 69F tied for the high minimum record first set in 1942. Hot temperatures continued today measuring 92F, one degree short of today's record of 93F set back in 1988. A cold front moving into the region from the northwest this afternoon is expected to bring cooler temperatures, scattered rain showers, and possible thunderstorms. Haze limited visibility to 20 miles all day due to the poor air quality and high dew points. Dew points remained in the upper 60s all morning and early afternoon.    Today's Observations: 7 A.M. Weather: Scattered cirrus Temperature: 77F; Dew Point: 64F; Wind: W at 12 kts Sea-level pressure: 29.88 ins. Hg, falling unsteadily Visibility: 20 miles, hazy 6-hr Max temp: 77F 6-hr Min temp: 72F 24-hr precip: 0.00 in. BHO SA 1155 250 SCT 20 120/77/64/2712/988/ HAZY/ 8/001 57002 10077 20072 10 A.M. Weather: Few cirrus in all directions Temperature: 88F; Dew Point: 68F; Wind: WSW at 7 kts Sea-level pressure: 29.86 ins. Hg, rising then falling  Visibility: 20 miles, hazy BHO SA 1455 CLR 20 113/88/68/2407/986/ FEW CI ALQDS HAZY/ 8/001 58007 1 P.M.  Weather: Scattered cumulus, scattered cirrus  Temperature: 91F; Dew Point: 67F; Wind: W at 14G20 kts Sea-level pressure: 29.82 ins. Hg, falling, then more slowly  Visibility: 20 miles, hazy 6-hr Max temp: 92F 6-hr Min temp: 77F BHO SA 1755 49 SCT 250 SCT 20 097/91/67/2614G20/982/ HAZY/  8/101 56016 10092 20077 SUMMARY FOR MONDAY, JUNE 12, 2017   TEMPERATURE (DEGREES F) MAX.....94   NORMAL.....74 MIN.....69   NORMAL.....56 MEAN....82   NORMAL.....65 DEPARTURE FROM 30-YEAR NORMAL........................+17 TOTAL DEPARTURE FOR THE MONTH.........................-3 [-0.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............0   DEPARTURE..........-3 TOTAL HEATING UNITS FOR THE MONTH..............59   DEPARTURE.........+13 TOTAL HEATING UNITS FOR THE SEASON...........5721   DEPARTURE........-628 TOTAL HEATING UNITS LAST SEASON TO DATE......5276   DIFFERENCE.......+445 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY..............17   DEPARTURE.........+14 TOTAL COOLING UNITS FOR THE MONTH..............38   DEPARTURE.........+11 TOTAL COOLING UNITS FOR THE SEASON.............94   DEPARTURE.........+43 TOTAL COOLING UNITS LAST SEASON TO DATE........67   DEPARTURE.........+27 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY...................28 W AT 2:18 P.M.                    AERO........................29 W AT 2:19 P.M.                    ASOS........................29 W AT 2:19 P.M.                    DAVIS.......................27 W AT 2:18 P.M. RMY 28 FASTEST MILE FOR YESTERDAY.....................20 W AT 2:02 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................20 W AT 2:19 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE.................19 W AT 2:19 P.M. AVERAGE WIND SPEED AND DIRECTION.............11.3 WSW                    ASOS......................11.3                    DAVIS......................9.8 WSW [235 DEG.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.16                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........3.12  DEPARTURE......+1.15                          ASOS..............3.20 TOTAL PRECIPITATION FOR THE YEAR..........28.46  DEPARTURE......+3.83                          ASOS...............N/A *** *** ASOS annual total not available due to erroneous readings 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 M:    Missing data 6/1  78/55/67/+5/0.06/.../..               39 NW  AERO 39 NW  RMY 41 6/2  70/50/60/-2/T/.../..                  32 WNW AERO 35 WNW RMY 34 6/3  66/47/57/-5/0.01/.../..               23 NW  AERO 25 NW  RMY 24 6/4  71/49/60/-3/0.28/.../..               21 SSE*AERO 21 SW  RMY N/A 6/5  55/49/52/-11/1.20/000/00              32 NE  AERO 35 NE  RMY N/A 6/6  49/45/47/-16/..../000/00              40 ENE AERO 43 ENE RMY 43 6/7  65/47/56/-8/..../.../..               21 NNE AERO 18 NE* RMY 20 6/8  76/52/64/0/0.00/.../..                21 SSE AERO 21 SSE RMY 18 6/9  78/53/66/+2/0.16/.../..               48 N   AERO 54 N   RMY 52 TSTM 6/10 83/59/71/+6/0.00/.../..               25 SSW AERO 28 SSW RMY 27   6/11 89/64/77/+12/0.00/.../..              29 SW  AERO 32 WSW RMY 30 6/12 94/69/82/+17/0.00/.../..              28 W   AERO 29 W   RMY 28 6/13 Low temp since midnight is 72F; normal low is now 56F DAILY RECORDS FOR JUNE 6/12/17: DAILY RECORD MAXIMUM TEMPERATURE OF 94F,          BREAKS PREVIOUS RECORD OF 92F SET IN 1973 6/12/17: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 69F,          TIES PREVIOUS RECORD SET IN 1942 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):       RECORDS FOR JUNE 13 HIGH 93F IN 1988 LOW 43F IN 1982 PRECIP 6.07 INS 1998 [Record for month] PEAK GUST 69 MPH N IN 1956 RECORDS FOR JUNE 14 HIGH 93F IN 1956 LOW 41F IN 1912 PRECIP 1.49 INS 1896 PEAK GUST 55 MPH WNW IN 1958 TODAY'S REPORT PREPARED BY: Cecilia Borries-Strigle/Nicholas Rousseau