BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA FRIDAY, AUGUST 27, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0504E SUNSET:  1826E   ANOTHER HOT AND HUMID DAY WITH MORE CLOUDS DEVELOPING IN THE AFTERNOON.... Today was partly cloudy with more cloud cover later on. Wind was light and variable with an average speed of 5 mph and a max gust of 17 mph much earlier in the day. Pressure fell overnight, but conditions remained humid with dew points hanging in the low 70's and upper 60's. It wasn't the best week for a hike! Anybody else ready for fall? Please?   The high so far today is 89F, 10 degrees above the daily normal maximum of 79F. The low so far today is 73F, which is 12 degrees above the daily normal minimum of 61F. ---------------------------------------------------- Today's Observations: 7 A.M. Weather: Scattered cirrostratus Temperature: 76F; Dew Point: 67F; Relative Humidity: 86% Wind: N @ 9 kts Sea-level pressure: 1018.6 mb; 30.08 in. Hg; rising then steady Visibility: 25 miles, hazy 6-hr Max temp: 76F 6-hr Min temp: 73F 24-hr Precip: 0.00 ins. BHO SA 1155 250 SCT 25 186/76/71/0109/008/ HAZY/ 8/006 51007 10076 20073 10 A.M. Weather: Scattered cirrostratus   Temperature: 85F; Dew Point: 70F; Relative Humidity: 60% Wind: NE @ 2 kts, light and variable Sea-level pressure: 1019.4 mb; 30.11 in Hg; falling then rising Visibility: 50 miles 3-hr Precip: 0.00 ins. BHO SA 1455 250 SCT 50 194/85/70/0402/010/ WND L/V/ 8/006 53008 1 P.M. Weather: Scattered altocumulus, broken cirrostratus, few cumulus Temperature: 87F, Dew point: 69F; Relative Humidity: 56% Wind: E @ 7 kts Sea-level pressure: 1019.5 mb; 30.11 in Hg; rising then falling Visibility: 50 miles 6-hr Max temp: 89F 6-hr Min temp: 76F 6-hr Precip: 0.00 ins. BHO SA 1755 90 SCT 250 BKN 50 193/87/69/0907/010/ FEW CU ALQDS/ 8/186 55001 10089 20076 SUMMARY FOR THURSDAY, AUGUST 26, 2021 TEMPERATURE (DEGREES F) MAX.......92     NORMAL.....79 MIN.......72     NORMAL.....61 MEAN......82     NORMAL.....70 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL...........+10 TOTAL DEPARTURE FOR THE MONTH.......................+58 [+2.0 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..............27  DEPARTURE.......+13 TOTAL HEATING UNITS LAST SEASON TO DATE..........1  DEPARTURE.......+28 COOLING DEGREE DAYS (SEASON: JAN 2021 THRU DEC 2021) TOTAL COOLING UNITS FOR YESTERDAY...............15  DEPARTURE........+9 TOTAL COOLING UNITS FOR THE MONTH..............236  DEPARTURE.......+53 TOTAL COOLING UNITS FOR THE SEASON.............615  DEPARTURE.......+45 TOTAL COOLING UNITS LAST SEASON TO DATE........746  DEPARTURE......-131 PEAK WIND GUST (MPH):                      Official...................19 WSW @ 10:39 P.M.                      AEROVANE (south tower).....18 WSW @ 10:40 P.M.                      VECTOR #2 (south tower)....20     @ 10:39 P.M.                      DAVIS #2 (south tower).....18 WSW @ 10:14 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..................12 WSW @ 10:42 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............14     @ 10:04 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............14 WSW @ 10:15 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.......7.2 WSW [173 total miles]                      VECTOR #2.................8.3                      DAVIS #2..................8.1 W                      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.......0.00  DEPARTURE....-0.12 TOTAL PRECIPITATION FOR THE MONTH.............5.35  DEPARTURE....+2.03 TOTAL PRECIPITATION FOR THE YEAR.............40.32  DEPARTURE....+6.56 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/..../.../..         17 SW  AERO 18 SW  RMY N/A 08/26   92/72/82/+12/..../.../..         19 WSW AERO 18 WSW RMY N/A 08/27   The low since midnight is 73F, the daily normal low is 61F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR AUGUST 27 HIGH 99F IN 1948 LOW 44F IN 1885 PRECIP 2.77 INCHES IN 1946 PEAK GUST 48 MPH NW IN 1983 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) TODAY'S REPORT PREPARED BY: Benjamin Turner