BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, AUGUST 22, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0459E SUNSET:  1834E TROPICAL STORM HENRI BRINGS SOME RAIN AND WIND TO BLUE HILL... Tropical storm Henri approached and moved into southern New England today, bringing periods of rain and gusty winds to the region. 0.15" of rain was measured at 7 A.M. this morning, with an additional 0.63" falling by 1 P.M. The storm through 1 P.M. stands at 0.78". A feeder band rolled through between 7 A.M. and 8 A.M. with heavy rain. 0.45" of rain fell in that hour alone. Gusty winds also moved through with frequent gusts between 35-45mph being observed from mid morning into the early afternoon hours. The peak gust so far is 47 mph! This actually has set a new record peak gust for today's date, beating the old record of 44 mph set in 1987! The high so far today is 74F, 6 degree below the daily normal maximum of 80F. The low so far today is 66F, which is 4 degrees above the daily normal minimum of 62F. ---------------------------------------------------- Today's Observations: 7 A.M. Weather: Sky obscured, vertical visibility 200 ft, heavy rain Temperature: 67F; Dew Point: 67F; Relative Humidity: 100% Wind: NE at 16G28 kts, peak wind 35 mph at 6:12 A.M. Sea-level pressure: 1010.5mb; 29.84 in. Hg; Falling, then more rapidly Visibility: 1/4 mile, fog 6-hr Max temp: 69F 6-hr Min temp: 67F 24-hr Precip: 0.15 ins. BHO SA 1155 X W2 1/4R+F 105/67/67/0416G28/984/ L-E43R-B43 PK WND 0330/12/ 8//// 58024 6015/ 70015 10069 20067 10 A.M. Weather: Sky obscured, vertical visibility 200 ft, light rain Temperature: 67F; Dew Point: 67F; Relative Humidity: 100% Wind: NE @ 21G40 kts, peak wind 46 mph at 9:46 A.M. Sea-level pressure: 1009.2mb; 29.80 in Hg; Falling, then steady Visibility: 1/4 mile, fog 3-hr Precip: 0.61 ins. BHO SA 1455 X W2 1/4R-F 092/67/67/0521G40/980/ PK WND 0540/46/ 8//// 56013 6061/ 1 P.M. Weather: Broken stratus fractus, overcast stratus Temperature: 72F, Dew point: 72F; Relative Humidity: 98% Wind: E @ 20G33 kts, peak wind 42 mph at 12:25 P.M. Sea-level pressure: 1007.3mb; 29.75 in Hg; Falling, then more rapidly Visibility: 7 miles, thin fog 6-hr Max temp: 74F 6-hr Min temp: 66F 6-hr Precip: 0.63 ins. BHO SA 1755 E4 BKN 10 OVC 7 073/72/72/0920G33/975/ THN F ALQDS PK WND 0936/25/ 8/6// 58019 6063/ 10074 20066 SUMMARY FOR SATURDAY, AUGUST 21, 2021 TEMPERATURE (DEGREES F) MAX.......86     NORMAL.....80 MIN.......69     NORMAL.....62 MEAN......78     NORMAL.....71 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL...........+7 TOTAL DEPARTURE FOR THE MONTH.......................28 [+1.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022) TOTAL HEATING UNITS FOR YESTERDAY................0  DEPARTURE.........0 TOTAL HEATING UNITS FOR THE MONTH................0  DEPARTURE........-5 TOTAL HEATING UNITS FOR THE SEASON..............28  DEPARTURE.......+16 TOTAL HEATING UNITS LAST SEASON TO DATE..........1  DEPARTURE.......+27 COOLING DEGREE DAYS (SEASON: JAN 2021 THRU DEC 2021) TOTAL COOLING UNITS FOR YESTERDAY...............13  DEPARTURE........+7 TOTAL COOLING UNITS FOR THE MONTH..............178  DEPARTURE.......+25 TOTAL COOLING UNITS FOR THE SEASON.............557  DEPARTURE.......+17 TOTAL COOLING UNITS LAST SEASON TO DATE........701  DEPARTURE......-144 PEAK WIND GUST (MPH):                      Official...................17 S   @  2:09 P.M.                      AEROVANE (south tower).....17 S   @  2:11 P.M.                      VECTOR #2 (south tower)....18     @  2:09 P.M.                      DAVIS #2 (south tower).....20 S   @  1:35 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..................11 NE  @ 10:32 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............13     @  1:36 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............14 S   @  1:37 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...... 5.3 SSE  [128 total miles]                      VECTOR #2................ 6.5                      DAVIS #2................. 6.0 S                      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.......0.15  DEPARTURE....+0.03 TOTAL PRECIPITATION FOR THE MONTH.............3.54  DEPARTURE....+0.83 TOTAL PRECIPITATION FOR THE YEAR.............38.51  DEPARTURE....+5.36 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/.../..          19 S   AERO 20 S   RMY N/A 08/11   89/70/80/+8/0.00/.../..          29 SSW AERO 28 SSW RMY N/A 08/12   91/71/81/+9/T/.../..             36 WSW AERO 37 WSW RMY N/A TSTM 08/13   92/73/83/+11/0.00/.../..         18 WSW AERO 18 WSW RMY N/A 08/14   87/69/78/+6/T/.../..             25 W   AERO 25 NNW RMY N/A 08/15   80/62/71/-1/0.00/.../..          19 NNW AERO 20 NNW RMY N/A 08/16   78/59/69/-3/0.00/.../..          15 S   AERO 15 S   RMY N/A 08/17   82/63/73/1/0.00/.../..           22 SSW AERO 23 SSW RMY N/A 08/18   86/66/76/+5/0.00/.../..          21 SSW AERO 22 SSW RMY N/A 08/19   81/69/75/+4/0.62/.../..          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   The low since midnight is 66F, the daily normal low is 62F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR AUGUST 22 HIGH 90F IN 1939 LOW 42F IN 1894 PRECIP 2.28 INCHES IN 1935 PEAK GUST 44 MPH SSW IN 1987 RECORDS FOR AUGUST 23 HIGH 89F IN 2020 LOW 45F IN 1923 PRECIP 2.21 INCHES IN 2020 PEAK GUST 60e MPH NW IN 1940, 60 WNW IN 2020* [*THUNDERSTORM] TODAY'S REPORT PREPARED BY: Matt Douglas/Augustin Busscheart