BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, AUGUST 30, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0508E SUNSET:  1821E   WARMER AND MORE HUMID WEATHER RETURNS.... Today marks the 3rd day in a row that has again featured a lot of cloud cover. However warmer and more humid air has returned to the region with temperatures getting back into the low to mid 80s. Humidity levels have returned to uncomfortable levels as the dew point has risen from the upper 60s this morning to the low 70s this afternoon. Some saving grace has been the wind. A South to southwest wind has been busy today averaging around 10-15mph since early this morning. Frequent gusts of 20-25mph have been observed. Visibility has been limited today thanks to the increase in moisture in the air. Values have been hanging between 20-30 miles. The high so far today is 84F, this is 6 degrees above the daily normal maximum of 78F. The low so far today is 67F, which is 6 degrees above the daily normal minimum of 61F. ---------------------------------------------------- Today's Observations: 7 A.M. Weather: Broken stratocumulus, overcast cirrus, few thin spots in overcast, few stratus fractus distant all quadrants Temperature: 69F; Dew Point: 67F; Relative Humidity: 93% Wind: SSW @ 12G17 kts Sea-level pressure: 1014.8 mb; 29.97 in. Hg; steady, then falling Visibility: 20 miles, thin fog 6-hr Max temp: 69F 6-hr Min temp: 67F 24-hr Precip: TRACE BHO SA 1155 E50 BKN 250 OVC 20 148/69/67/2012G17/997/ FEW THN SPTS INOVC FEW STFRA DSNT ALQDS THN F ALQDS SUN DMLY VSBL/ 8/502 58012 70000 10069 20067 10 A.M. Weather: Broken stratocumulus, broken cumulus, broken cirrostratus, overcast cirrus   Temperature: 77F; Dew Point: 71F; Relative Humidity: 82% Wind: SSW @ 12G19 kts Sea-level pressure: 1013.3 mb; 29.92 in Hg; falling unsteadily Visibility: 30 miles, hazy 3-hr Precip: 0.00 ins. BHO SA 1455 E20 BKN 30 BKN 200 BKN 250 OVC 30 133/77/71/2112G19/992/ HAZY/ 8/802 57015 1 P.M. Weather: Scattered stratocumulus, broken cumulus, broken altocumulus, thin overcast cirrus, towering cumulus all quadrants Temperature: 83F, Dew point: 72F; Relative Humidity: 70% Wind: SW @ 10G17 kts Sea-level pressure: 1010.8 mb; 29.85 in Hg; falling, then more rapidly Visibility: 20 miles, hazy 6-hr Max temp: 84F 6-hr Min temp: 69F 6-hr Precip: 0.00 ins. BHO SA 1755 25 SCT E35 BKN 120 BKN 250 -OVC 20 108/83/72/2310G17/985/ TCU ALQDS HAZY/ 8/871 58025 10084 20069 SUMMARY FOR SUNDAY, AUGUST 29, 2021 TEMPERATURE (DEGREES F) MAX.......72     NORMAL.....78 MIN.......59     NORMAL.....61 MEAN......66     NORMAL.....70 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL........... -4 TOTAL DEPARTURE FOR THE MONTH.......................+61 [+1.9 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........-9 TOTAL HEATING UNITS FOR THE SEASON..............28  DEPARTURE.......+12 TOTAL HEATING UNITS LAST SEASON TO DATE..........3  DEPARTURE.......+25 COOLING DEGREE DAYS (SEASON: JAN 2021 THRU DEC 2021) TOTAL COOLING UNITS FOR YESTERDAY................1  DEPARTURE........-4 TOTAL COOLING UNITS FOR THE MONTH..............252  DEPARTURE.......+53 TOTAL COOLING UNITS FOR THE SEASON.............631  DEPARTURE.......+45 TOTAL COOLING UNITS LAST SEASON TO DATE........756  DEPARTURE......-125 PEAK WIND GUST (MPH):                      Official...................20 S   @ 10:54 P.M.                      AEROVANE (south tower).....21 S   @ 11:00 P.M.                      VECTOR #2 (south tower)....21     @ 11:01 P.M.                      DAVIS #2 (south tower).....21 S   @  9:14 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..................16 S   @ 11:00 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............16     @ 11:00 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............15 S   @ 10:31 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.......6.9 S [166 total miles]                      VECTOR #2.................8.1                      DAVIS #2..................7.7 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......TRACE  DEPARTURE....-0.12 TOTAL PRECIPITATION FOR THE MONTH.............5.37  DEPARTURE....+1.69 TOTAL PRECIPITATION FOR THE YEAR.............40.34  DEPARTURE....+6.22 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   70/59/65/-5/0.02/.../..          34 ENE AERO 34 ENE RMY N/A 08/29   72/59/66/-4/T/.../..             20 S   AERO 21 S   RMY N/A 08/30   The low since midnight is 67F, 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 30 HIGH 94F IN 1953 LOW 39F IN 1965 PRECIP 2.75 INCHES IN 1936 PEAK GUST 43 MPH NW IN 1965 RECORDS FOR AUGUST 31 HIGH 94F IN 1953 LOW 42F IN 1976 PRECIP 2.46 INCHES IN 1954 PEAK GUST 125 MPH SE IN 1954 [CAROL - RECORD FOR MONTH] TODAY'S REPORT PREPARED BY: Matt Douglas