BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, JUNE 24, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME MUGGY CONDITIONS WITH PASSING SHOWERS… Overcast condition continued through the early afternoon hours along with low visibility of  15 miles. Muggy conditions with dew points temperatures staying in the 70s throughout the day. A few passing showers in the late afternoon hours along with a rumble of thunder.  The high so far today is 83 degrees, this is 6 degrees above the daily normal high of 77F. The low since midnight is 66F, which is 7 degrees above the daily normal low of 59F. Today's Observations: 7 A.M. Weather: Overcast stratus, Temperature: 70F; Dew Point: 70F; Relative Humidity: 100% Wind: SSE at 12G16 kts Sea-level pressure: 29.71 ins. Hg: rising, then falling Visibility: 15 miles, distant fog 6-hr Max temp: 66F 6-hr Min temp: 70F 24-hr Precip: Trace 24-hr Frozen:   0.0 ins. BHO SA 1155 E8 OVC 15 064/70/70/1612G16/971/ DSNT FG ALQDS/ 8/6// 50002 10070 20066 10 A.M. Weather: Overcast stratus few towering cumulus distant W-NW Temperature: 77F; Dew Point: 73F; Relative Humidity: 84% Wind: S at 9 kts, Sea-level pressure: 29.72 ins. Hg: rising, then falling Visibility: 25 miles 3-hr Precip:  0.00 ins. 3-hr Frozen:   0.0 ins. BHO SA 1455 E14 OVC 25 067/77/73/1909/972/ 8/6// 50003 1 P.M. Weather: Broken stratus, Scattered Altocumulus Temperature: 82F; Dew Point: 71F; Relative Humidity: 69% Wind: S at 15G20 kts Sea-level pressure: 29.70 ins. Hg: falling, then more rapidly Visibility: 30 miles 6-hr Max temp: 83F 6-hr Min temp: 70F 6-hr Precip:  0.00 ins. 6-hr Frozen:   0.0 ins. BHO SA 1755 E48 BKN 70 BKN 30 060/82/71/1815G20/970/ VSBY 10 N-NW/ 8/670 58007 10083 20070 SUMMARY FOR TUESDAY, JUNE 23, 2020 TEMPERATURE (DEGREES F) MAX.....85   NORMAL.....77 MIN.....65   NORMAL.....59 MEAN....75   NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL................. +7 TOTAL DEPARTURE FOR THE MONTH.................+63 [+2.7 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY................0  DEPARTURE....... 0 TOTAL HEATING UNITS FOR THE MONTH...............40  DEPARTURE.......-27 TOTAL HEATING UNITS FOR THE SEASON............5852  DEPARTURE......-518 TOTAL HEATING UNITS LAST SEASON TO DATE.......6254  DEPARTURE......-402 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............10  DEPARTURE....... +4 TOTAL COOLING UNITS FOR THE MONTH..............106  DEPARTURE.......+38 TOTAL COOLING UNITS FOR THE SEASON.............138  DEPARTURE.......+46 TOTAL COOLING UNITS LAST SEASON TO DATE.........48  DEPARTURE.......+90 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................27 S   AT 1:44 P.M.                      AERO.........................24 S   AT  3:15 P.M.                     ASOS.........................27 S   AT  2:21 P.M.                    DAVIS........................28 S  AT  2:33 P.M. RMY26 FASTEST MILE FOR YESTERDAY......................20 S   AT  5:16 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................20 S   AT  5:20 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................19 S   AT  5:19 P.M. AVERAGE WIND SPEED AND DIRECTION...............10.4 S                                  ASOS....................... 11.4                    DAVIS...................... 9.9 S [190 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M...Trace  DEPARTURE......-0.11                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........2.74  DEPARTURE......-0.76                          ASOS..............2.74 TOTAL PRECIPITATION FOR THE YEAR..........22.53  DEPARTURE......-3.63                          ASOS.............23.05 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 06/01  64/42/53/-9/T/0.0/.../..            28 WNW  AERO 29 WNW RMY 28 06/02  72/45/59/-3/..../0.0/.../..         28 W    AERO 27 W   RMY 28 06/03  79/55/67/+5/T/0.0/.../..            29 W    AERO 28 W   RMY 26 06/04  87/62/75/+12/..../0.0/.../..        26 W    AERO 25 S   RMY N/A 06/05  80/65/73/+10/..../0.0/.../..        28 SSW  AERO 28 SSW RMY N/A TSTM 06/06  86/57/72/+9/..../0.0/.../..         55 SW   AERO 59 SW  RMY 59  TSTM 06/07  68/54/61/-3/0.00/0.0/.../..         24 NW   AERO 24 NW  RMY N/A 06/08  77/51/64/0/0.00/0.0/.../..          25 W    AERO 24 W   RMY 25 06/09  77/60/69/+5/T/0.0/.../..            23 E    AERO 21 E   RMY N/A 06/10  70/58/64/-1/T/0.0/.../..            25 E    AERO 24 E   RMY N/A 06/11  71/64/68/+3/0.62/0.0/.../..         40 S    AERO 40 S   RMY 42 06/12  82/63/73/+8/0.00/0.0/.../..         26 W    AERO 25 W   RMY 27 06/13  71/53/62/-3/0.00/0.0/.../..         21 WNW  AERO 20 WNW RMY N/A             06/14  67/49/58/-8/0.00/0.0/.../..         21 E    AERO 21 ENE RMY 21 06/15  67/53/60/-6/5/0/0.0/.../..          21 NE   AERO 16 ENE RMY 20 06/16  73/54/64/-2/0.00/0.0/.../..         18 E    AERO 18 E   RMY 18 06/17  78/57/68/+1/0.00/0.0/.../..         20 S    AERO 20 S   RMY 20 06/18  86/59/73/+6/0.00/0.0/.../..         22 S    AERO 22 SSW RMY 22 06/19  86/66/76/+9/0.00/0.0/.../..         22 S    AERO 22 S   RMY 21 06/20  90/65/78/+10/0.00/0.0/.../..        22 S    AERO 21 S   RMY 21 06/21  90/66/78/+10/0.83/0.0/.../..        33 ESE  AERO 35 ESE RMY 33  TSTM 06/22  77/65/71/+3/0.00/0.0/.../..         15 E    AERO 17 S   RMY 14 06/23  85/65/75/+7/0.00/0.0/.../..         27 S    AERO 24 S   RMY 26 06/24 The low since midnight is 66F, the daily normal low is 60F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR JUNE 24 HIGH 91F IN 1914,1976,2013 LOW 40F IN 1932 PRECIP 2.80 INS IN 1929 PEAK GUST 54 MPH WNW IN 2010 RECORDS FOR JUNE 25 HIGH 93F IN 1943,1980, 2005 LOW 47F IN 1903 PRECIP 1.38 INS IN 2012 PEAK GUST 51 MPH W IN 1960 TODAY'S REPORT PREPARED BY: Nicholas Rousseau