BLUE HILL METEOROLOGICAL OBSERVATORYMILTON, MASSACHUSETTSELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARYSATURDAY, JUNE 25, 2016ALL TIMES ARE IN EASTERN STANDARD TIME MORNING TEMPERATURE INVERSION--60F MINIMUM HERE, 46F AT NORWOOD AIRPORTYET ANOTHER SUNNY, DRY DAY WITH 50-60 MILES VISIBILITYTEMPERATURES RISE TO 80F BY EARLY AFTERNOON--DEW POINT NEAR 50F Clear sky and near calm winds overnight with unusually dry airfor late June led to a night of strong radiational cooling.While the minimum temperature did not drop below 60F here atthe summit a low of 46F was recorded in the low-lying areaof Norwood Airport, just to our southwest.Under a very sunny sky the temperature had re-bounded to near80F by early this afternoon with visibility 50-60 miles.This area is now very close to being placed in an area of moderatedrought by the U.S. Drought Monitor. June rainfall has beenvery much on the light side with only a half inch of rainfallsince June 5th. Today's Observations: 7 A.M.Weather: Clear, few cirrus distant WNWTemperature: 68F; Dew Point: 52F; Wind: SE at 2 kts (estimated)Wind: Light and variableSea-level pressure: 30.22 in. Hg, rising, then more slowlyVisibility: 50 miles, except NE-SE 20 miles, W-NW 60 miles,hazy NE-SE, light distant haze W-NW6-hr Max temp: 68F6-hr Min temp: 60F24-hr precip: 0.00 in.BHO SA 1155 CLR 50 234/68/52/E1302/022/ FEW CI DSNT WNW VSBY NE-SE 20 HZYVSBY W-WNW 60 LGT DSNT HZ WND L/V/ 8/001 51015 10068 20060 10 A.M.Weather: Clear, few moderate cumulus distant NW, few cirrus WSW-NNWTemperature: 75F; Dew Point: 48F; Wind: E at 2 kts (estimated)Wind: Light variableSea-level pressure: 30.23 in. Hg, rising slightly Visibility:  50 miles, except 60 miles W-NW, 40 miles NE-SE distant haze BHO SA 1455 CLR 50 237/75/48/E1002/023/ FEW MDT CU DSNT NW FEW CI WSW-NNWVSBY NE-SE 40 W=NW 60 DSNT HZ WND L/V/ 8/201 53003 1 P.M.Weather: Clear, small cumulus distant SW-NW, lone patch cirrus vicinityof station NETemperature: 80F; Dew Point: 50F; Wind: ENE at 8 ktsWind: Direction variability NNE-ESea-level pressure: 30.22 in. Hg, falling then rising slightly Visibility: 60 miles, except 65 miles NW, ight distant haze6-hr Max temp: 80F6-hr Min temp: 68FBHO SA 1755 CLR 55 233/80/50/0708/022/ SML CU DSNT SW-NW LONE PTCH CIVC NE VSBY NW 65 LGT DSNT HZ WND 03V10/ 8/101 55004 10080 20068  SUMMARY FOR FRIDAY, JUNE 24, 2016 TEMPERATURE (DEGREES F)MAX.....77   NORMAL.....78MIN.....58   NORMAL.....60MEAN....68   NORMAL.....69 DEPARTURE FROM 30-YEAR NORMAL.........................-1TOTAL DEPARTURE FOR THE MONTH........................+20 [+0.6 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN)TOTAL HEATING UNITS FOR YESTERDAY...............0   DEPARTURE..........-1TOTAL HEATING UNITS FOR THE MONTH..............34   DEPARTURE.........-35TOTAL HEATING UNITS FOR THE SEASON...........5282   DEPARTURE.......-1089TOTAL HEATING UNITS LAST SEASON TO DATE......6491   DIFFERENCE......-1209 COOLING DEGREE DAYS (SEASON JAN TO DEC)TOTAL COOLING UNITS FOR YESTERDAY...............3   DEPARTURE..........-2TOTAL COOLING UNITS FOR THE MONTH..............61   DEPARTURE.........-12TOTAL COOLING UNITS FOR THE SEASON............109   DEPARTURE.........+12TOTAL COOLING UNITS LAST SEASON TO DATE.......127   DIFFERENCE........-18   PEAK GUST AND AVERAGE WIND SPEED (MPH)PEAK WIND GUST FOR YESTERDAY...................20 NE  AT  7:44 A.M. *                     ASOS........................21 NE  AT  7:42 A.M.                       DAVIS.......................19 SE  AT  4:54 P.M. RMY 20FASTEST MILE FOR YESTERDAY.....................13 E   AT  3:38 P.M.   MAXIMUM 2-MINUTE ASOS AVERAGE..................15 E   AT  3:39 P.M.     MAXIMUM 2-MINUTE DAVIS AVERAGE.................14 E   AT  3:35 P.M.    AVERAGE WIND SPEED AND DIRECTION...............9.5 NE                   ASOS.......................10.0                   DAVIS.......................8.5 ENE [070 Deg.]* Last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.12                         ASOS..............0.00TOTAL PRECIPITATION FOR THE MONTH..........1.46  DEPARTURE......-2.16                           ASOS............1.51TOTAL PRECIPITATION FOR THE YEAR..........21.53  DEPARTURE......-4.75                         ASOS.............21.95PRELIMINARY CLIMATE SUMMARY FOR JUNE CALENDAR DAY DATADATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO/RMY GUSTAERO: Aerovane wind recording system gustRMY:  R.M. Young wind gust recording systemTSTM: Thunderstorm day (thunder heard some time during day)....: Data not yet available, records not finalized 6/1  71/54/63/+1/0.00/860/95                 26 NE  AERO 30 NE  RMY N/A6/2  68/54/61/-1/0.00/444/49                 21 NE  AERO 22 NE  RMY 216/3  70/57/64/+2/T/173/19                    16 SSW AERO 17 SSW RMY 166/4  81/61/71/+8/0.00/491/54                 18 S   AERO 21 S   RMY 206/5  67/60/64/+1/0.76/000/00                 32 SSE AERO 36 SSE RMY 34 6/6  80/63/72/+9/0.00/747/82                 26 W   AERO 28 W   RMY 276/7  83/58/71/+7/0.18/602/66                 32 WNW AERO 36 WNW RMY 33 TSTM6/8  72/52/62/-2/0.05/684/75                 37 WNW AERO 41 WNW RMY 38 TSTM6/9  67/48/58/-6/0.00/466/51                 41 WNW AERO 45 WNW RMY 406/10 71/50/61/-4/0.00/841/92                 25 W   AERO 28 W   RMY 266/11 68/52/60/-5/0.06/.../..                 30 SSW AERO 35 SSW RMY 316/12 76/51/64/-1/T/.../..                    41 W   AERO 48 W   RMY 426/13 70/49/60/-5/0.00/.../..                 36 NW  AERO 46 NW  RMY 386/14 77/50/64/-2/0.00/.../..                 32 NNW AERO 38 NNW RMY 336/15 83/60/72/+6/0.00/.../..                 22 NW  AERO 26 NW  RMY 256/16 82/62/72/+6/0.00/.../..                 26 E   AERO 28 E   RMY 276/17 77/59/68/+1/T/.../..                    25 E   AERO 28 E   RMY 23 TSTM6/18 75/55/65/-2/0.00/.../..                 22 SSW AERO 24 SSE RMY N/A6/19 79/55/67/+0/0.00/.../..                 32 S   AERO 35 S   RMY 366/20 81/57/69/+1/0.00/.../..                 25 S   AERO 28 S   RMY 276/21 82/61/72/+1/0.40/.../..                 30 WSW AERO 31 W*  RMY 336/22 79/59/69/+1/0.01/.../..                 31 NW  AERO 35 NW  RMY 316/23 84/56/70/+2/0.00/.../..                 17 S   AERO 18 S   RMY 18 6/24 77/58/68/-1/0.00/.../.. 6/25 low temp since midnight is 60F; normal low now 60F DAILY RECORDS FOR JUNE 2016None so far    DAILY EXTREMESTemperature and precipitation records back to 1885, andwind records back to 1940 (e = estimated): RECORDS FOR JUNE 25HIGH 93F IN 1943,1980, 2005LOW 47F IN 1903PRECIP 1.38 INS IN 2012PEAK GUST 51 MPH W IN 1960 RECORDS FOR JUNE 26HIGH 96F IN 1952LOW 45F IN 1986PRECIP 1.52 INS IN 1945PEAK GUST 48 MPH N IN 1998TODAY'S REPORT PREPARED BY: Robert Skilling