BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SATURDAY, JUNE 16, 2018   ALL TIMES ARE IN EASTERN STANDARD TIME ABOVE SEASONABLE TEMPERATURES, AND PARTLY CLOUDY SKIES ON GREAT BLUE HILL... Today was warmer than average on great Blue hill. At the 7:00 AM observation there were scattered cirrus clouds with temperatures in the mid 60's and dew points in the low 50's resulting in dry, comfortable conditions. As the day went on temperatures began to climb, with the temperature at 77F along with increasing winds.The observed high temperature so far today was 83F, 8F degrees above the normal of 75F degrees.      Today's Observations: 7 A.M. Weather: Scattered cirrus  Temperature: 65F; Dew Point: 52F; Wind: WNW at 8 kts, Sea-level pressure: 29.99 ins. Hg, rising, then steady Visibility: 75 miles 6-hr Max temp: 68F 6-hr Min temp: 53F 24-hr Precip: 0.00 ins. BHO SA 1155 250 -SCT 75 157/65/52/3008/999/ 8/002 51013 10068 20053 10 A.M. Weather: Thin broken cirrus Temperature: 77F; Dew Point: 53F; Wind: NNW at 11G17 kts, Sea-level pressure: 30.01 ins. Hg, falling, then more slowly Visibility: 75 miles 3-hr Precip: 0.00 ins BHO SA 1455 E250 -BKN 75 159/77/53/3311G17/001/ 8/004 58005 1 P.M. Weather: Thin overcast cirrus, few cumulus in all directions Temperature: 81F; Dew Point: 51F; Wind: NW at 8G16 kts, Sea-level pressure: 29.97 ins. Hg, falling, then more slowly Visibility: 75 miles 6-hr Max temp: 83F 6-hr Min temp: 65F 6-hr precip: 0.00 ins. BHO SA 1755 E250 -OVC 75 150/81/51/3208G16/997/ FEW  CU ALQDS 8/104 56009 10083 20065 SUMMARY FOR FRIDAY, JUNE 15, 2018 TEMPERATURE (DEGREES F) MAX.....68   NORMAL.....75 MIN.....53   NORMAL.....57 MEAN....61   NORMAL.....66 DEPARTURE FROM 30-YEAR NORMAL.........................-5 TOTAL DEPARTURE FOR THE MONTH........................-30 [-2.2 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............4   DEPARTURE...........+2 TOTAL HEATING UNITS FOR THE MONTH.............62   DEPARTURE...........+8 TOTAL HEATING UNITS FOR THE SEASON..........5909   DEPARTURE.........-447 TOTAL HEATING UNITS LAST SEASON TO DATE.....5721   DIFFERENCE........+188 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............0   DEPARTURE..........-3 TOTAL COOLING UNITS FOR THE MONTH..............16   DEPARTURE.........-21 TOTAL COOLING UNITS FOR THE SEASON.............78   DEPARTURE.........+17 TOTAL COOLING UNITS LAST SEASON TO DATE.......111   DEPARTURE.........-33 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY....................17 NNW  AT 4:24 P.M.*                    AERO.........................16 WNW  AT 4:05 P.M.*                     ASOS.........................17 ENE  AT 12:12 A.M.                    DAVIS........................18  M   AT 4:23 P.M.** RMY 19 FASTEST MILE FOR YESTERDAY......................12 SW   AT 9:39 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................13 WSW  AT 11:52 P.M.   MAXIMUM 2-MINUTE DAVIS AVERAGE..................13  M   AT 9:42 P.M.** AVERAGE WIND SPEED AND DIRECTION...............7.8  W                    ASOS........................6.9                    DAVIS.......................6.5 * Last of several occurrences **Davis direction malfunctioning  PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.15                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........1.02  DEPARTURE......-1.41                          ASOS..............1.04   TOTAL PRECIPITATION FOR THE YEAR..........28.34  DEPARTURE......+3.43                          ASOS.............29.91 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 6/01 78/62/70/+8/T/.../..            21 S   AERO 21 S   RMY N/A 6/02 79/54/67/+5/T/.../..            26 ENE AERO 25 ENE RMY 27 6/03 59/45/52/-10/0.00/.../..        28 ENE AERO 25 ENE RMY N/A   6/04 52/45/49/-14/.../.../..         29 ENE AERO 26 ENE RMY 29 6/05 64/47/56/-7/..../.../..         24 N   AERO 21 N   RMY 23 TSTM   6/06 66/50/58/-5/0.00/.../..         23 S   AERO 21 S   RMY 22 6/07 69/50/60/-4/0.00/.../..         25 S   AERO 25 S   RMY 27  6/08 79/52/66/+2/0.00/.../..         20 SW  AERO 17 SW  RMY 18 6/09 79/58/69/+5/0.00/.../..         22 W   AERO 21 W   RMY 22 6/10 72/56/64/-1/0.00/.../..         20 S   AERO 18 S   RMY 17 6/11 68/51/60/-5/0.00/.../..         21 ENE AERO 20 SSW RMY N/A 6/12 77/49/63/-2/0.00/.../..         37 SW  AERO 37 SW  RMY 39 6/13 74/56/65/0/T/.../..             35 SW  AERO 36 SW  RMY 36 6/14 77/61/69/+3/..../.../..         35 W   AERO 36 WNW RMY 37 6/15 68/53/61/-5/.../.../..          17 NNW AERO 16 WNW RMY 19 6/16 Low temp since midnight is 53F; normal low is now 57F DAILY RECORDS FOR JUNE 2018 None so far. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 16 HIGH 92F IN 1891, 1967 LOW 44F IN 1926 PRECIP 2.17 INS IN 1931 PEAK GUST 55 MPH W IN 1958 RECORDS FOR JUNE 17 HIGH 93F IN 1894 LOW 44F IN 1920 PRECIP 2.79 INS 2001 (Sub-Tropical storm ALLISON) PEAK GUST 55e MPH S IN 1977 TODAY'S REPORT PREPARED BY: Devin Richardt/Michael Iacono