BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, AUGUST 28, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0505E SUNSET:  1824E   MUCH COOLER AND DRIER AIR TODAY UNDER MAINLY CLOUDY SKIES.... The much anticipated (and appreciated) relief from the hot and humid weather of the past few days finally arrived overnight. The dew point dropped from near 70 last night to the mid 50s this morning. It's been holding in the mid 50s all day. Combined with a brisk east-northeast wind, it feels quite refreshing today. Skies have been mainly cloudy today, although this morning clouds were thin enough to afford some sunshine. Despite the morning sun, temperatures still didn't rebound much from the morning low. So far the maximum temperature has been 70F, which was also the reading back at midnight. Visibility today has been hanging around 40-50 miles! The high so far today, as mentioned, is 70F, this is 9 degrees below the daily normal maximum of 79F. The low so far today is 64F, which is 3 degrees above the daily normal minimum of 61F. ---------------------------------------------------- Today's Observations: 7 A.M. Weather: Scattered stratocumulus, scattered altocumulus, scattered cirrostratus, thin broken cirrus Temperature: 65F; Dew Point: 57F; Relative Humidity: 75% Wind: ENE @ 12G17 kts Sea-level pressure: 1027.2 mb; 30.33 in. Hg; rising, then more slowly Visibility: 40 miles, hazy 6-hr Max temp: 68F 6-hr Min temp: 64F 24-hr Precip: TRACE BHO SA 1155 20 SCT 85 SCT 180 SCT E250 -BKN 40 272/65/57/0712G17/033/ HAZY/ 8/558 51016 70000 10068 20064 10 A.M. Weather: Scattered stratocumulus, scattered altocumulus/altostratus, scattered cirrocumulus, thin broken cirrus   Temperature: 67F; Dew Point: 56F; Relative Humidity: 67% Wind: ENE @ 13G20 kts Sea-level pressure: 1028.1 mb; 30.36 in Hg; steady, then rising Visibility: 50 miles 3-hr Precip: 0.00 ins. BHO SA 1455 20 SCT 50 SCT 180 SCT E250 -BKN 50 281/67/56/0713G20/036/ 8/579 53009 1 P.M. Weather: Scattered stratocumulus, overcast altocumulus, few breaks in overcast all quadrants, higher clouds visible Temperature: 67F, Dew point: 55F; Relative Humidity: 67% Wind: ENE @ 9G18 kts Sea-level pressure: 1028.1 mb; 30.36 in Hg; falling, then rising Visibility: 50 miles 6-hr Max temp: 70F 6-hr Min temp: 65F 6-hr Precip: 0.00 ins. BHO SA 1755 50 SCT E90 OVC 50 281/67/55/0609G18/036/ FEW BINOVC ALQDS HIER CLDS VSBL/ 8/57/ 55000 10070 20065 SUMMARY FOR FRIDAY, AUGUST 27, 2021 TEMPERATURE (DEGREES F) MAX.......89     NORMAL.....79 MIN.......70     NORMAL.....61 MEAN......80     NORMAL.....70 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL...........+10 TOTAL DEPARTURE FOR THE MONTH.......................+70 [+2.4 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022) TOTAL HEATING UNITS FOR YESTERDAY................0  DEPARTURE........-1 TOTAL HEATING UNITS FOR THE MONTH................0  DEPARTURE........-8 TOTAL HEATING UNITS FOR THE SEASON..............28  DEPARTURE.......+13 TOTAL HEATING UNITS LAST SEASON TO DATE..........3  DEPARTURE.......+25 COOLING DEGREE DAYS (SEASON: JAN 2021 THRU DEC 2021) TOTAL COOLING UNITS FOR YESTERDAY...............15  DEPARTURE........+9 TOTAL COOLING UNITS FOR THE MONTH..............251  DEPARTURE.......+62 TOTAL COOLING UNITS FOR THE SEASON.............630  DEPARTURE.......+55 TOTAL COOLING UNITS LAST SEASON TO DATE........746  DEPARTURE......-116 PEAK WIND GUST (MPH):                      Official...................30 ENE @ 11:48 P.M.                      AEROVANE (south tower).....30 ENE @ 11:48 P.M.                      VECTOR #2 (south tower)....33     @ 11:48 P.M.                      DAVIS #2 (south tower).....29 E   @ 11:48 P.M.                      ASOS...........OUT OF SERVICE D/T RENOVATIONS                      VECTOR #1......OUT OF SERVICE D/T RENOVATIONS                      DAVIS #1.......OUT OF SERVICE D/T RENOVATIONS                      RMY............OUT OF SERVICE D/T RENOVATIONS                        MERLIN.........OUT OF SERVICE D/T RENOVATIONS FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL..................20 NE  @ 11:37 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............20     @ 11:34 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............20 ENE @ 11:34 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......OUT OF SERVICE D/T RENOVATIONS MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...OUT OF SERVICE D/T RENOVATIONS MAXIMUM 2-MINUTE VECTOR #1 AVERAGE..OUT OF SERVICE D/T RENOVATIONS MAXIMUM 2-MINUTE RMY AVERAGE........OUT OF SERVICE D/T RENOVATIONS AVERAGE WIND SPEED AND DIRECTION:                      CONTACTING/OFFICIAL.......7.5 NE [179 total miles]                      VECTOR #2.................8.6                      DAVIS #2..................8.4 NE                      RMY.................OUT OF SERVICE D/T RENOVATIONS                      ASOS................OUT OF SERVICE D/T RENOVATIONS                      VECTOR #1...........OUT OF SERVICE D/T RENOVATIONS                      DAVIS #1............OUT OF SERVICE D/T RENOVATIONS    PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M......TRACE  DEPARTURE....-0.12 TOTAL PRECIPITATION FOR THE MONTH.............5.35  DEPARTURE....+1.91 TOTAL PRECIPITATION FOR THE YEAR.............40.32  DEPARTURE....+6.44 PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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 08/01   77/58/68/-5/T/589/68             23 SSW AERO 24 SSW RMY N/A 08/02   78/61/70/-3/T/821/95             28 WNW AERO 28 WNW RMY N/A 08/03   76/60/68/-5/0.00/302/35          15 N   AERO 16 N   RMY N/A 08/04   75/61/68/-5/0.71/077/09          21 ESE AERO 21 ESE RMY N/A 08/05   68/61/65/-8/1.68/000/00          28 NE  AERO 28 NE  RMY N/A 08/06   85/62/74/+1/0.00/727/85          19 S   AERO 20 WSW RMY N/A 08/07   88/66/77/+4/0.00/520/61          23 SW  AERO 23 SW  RMY N/A 08/08   80/67/74/+2/T/128/15             16 SW  AERO 16 WNW RMY N/A 08/09   75/64/70/-2/0.25/076/09          22 ENE AERO 21 NE  RMY N/A 08/10   78/63/71/-1/0.12/203/24          19 S   AERO 20 S   RMY N/A 08/11   89/70/80/+8/0.00/667/79          29 SSW AERO 28 SSW RMY N/A 08/12   91/71/81/+9/T/580/69             36 WSW AERO 37 WSW RMY N/A TSTM 08/13   92/73/83/+11/0.00/696/83         18 WSW AERO 18 WSW RMY N/A 08/14   87/69/78/+6/T/601/72             25 W   AERO 25 NNW RMY N/A 08/15   80/62/71/-1/0.00/800/96          19 NNW AERO 20 NNW RMY N/A 08/16   78/59/69/-3/0.00/564/68          15 S   AERO 15 S   RMY N/A 08/17   82/63/73/1/0.00/555/67           22 SSW AERO 23 SSW RMY N/A 08/18   86/66/76/+5/0.00/338/41          21 SSW AERO 22 SSW RMY N/A 08/19   81/69/75/+4/0.62/222/27          41 S   AERO 43 S   RMY N/A 08/20   78/70/74/+3/0.01/.../..          21 WSW AERO N/A    RMY N/A 08/21   86/69/78/+7/0.00/.../..          17 S   AERO 17 S   RMY N/A 08/22   74/66/70/-1/0.78/.../..          47 ESE AERO 48 ESE RMY N/A 08/23   83/68/76/+5/1.17/.../..          25 SSE AERO 26 SSE RMY N/A TSTM 08/24   86/67/77/+6/0.01/.../..          21 NNW AERO 21 NNW RMY N/A 08/25   89/70/80/+10/0.00/.../..         17 SW  AERO 18 SW  RMY N/A 08/26   92/72/82/+12/0.00/.../..         19 WSW AERO 18 WSW RMY N/A 08/27   89/70/80/+10/T/.../..            30 ENE AERO 30 ENE RMY N/A 08/28   The low since midnight is 64F, the daily normal low is 61F RECORDS FOR THE MONTH 08/22 NEW PEAK GUST RECORD OF 47 MPH,       BEATING THE OLD RECORD OF 44 MPH IN 1987 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR AUGUST 28 HIGH 95F IN 1948 LOW 43F IN 1885 PRECIP 1.80 INCHES IN 1922 PEAK GUST 87 MPH SSE IN 1971 (DORIA) RECORDS FOR AUGUST 29 HIGH 95F IN 1953 LOW 41F IN 1982 PRECIP 2.88 INCHES IN 1962 PEAK GUST 70e MPH S IN 1949 TODAY'S REPORT PREPARED BY: Matt Douglas and Augustin Busschaert