BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, OCTOBER 2ND, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0543E SUNSET:  1724E WARMER AND BREEZY WITH PARTLY CLOUDY SKIES.... We observed partly cloudy skies for the majority of the day and a visibility of 65 miles. The temperature climbed 20 degrees in a 6-hour period, from 50F at 7AM to 70F at the 1 P.M. observation. Pressure dropped almost 4 millibars, and humidity is holding around 60%. Wind is southwesterly at an average of 10 mph, and a peak gust so far of 21 mph. The high so far today is 70F, 4 degrees above the normal max of 66F. The low since midnight is 47F, 2 degrees below the normal low of 49F. -------------------------------------------------------------- Today's Observations: 7 A.M. Weather: Scattered altocumulus, broken cirrus Temperature: 51F; Dew Point: 44F; Relative Humidity: 76% Wind: W @ 10G17 kts Sea-level pressure: 1021.0 mb; 30.15 in. Hg: rising, rising unsteadily Visibility: 65 miles   6-hr Max temp: 51F 6-hr Min temp: 47F 24-hr Precip: 0.00 ins. BHO SA 1155 70 SCT 250 BKN 65 210/51/44/2710G17/015/ 8/054 52002 10051 20047 10 A.M. Weather: Scattered altocumulus and cirrus Temperature: 61F; Dew Point: 50F; Relative Humidity: 66% Wind: W @ 9G14 kts Sea-level pressure: 1019.6 mb; 30.11 in Hg; falling then more rapidly Visibility: 65 miles 3-hr Precip: 0.00 ins. BHO SA 1455 110 SCT 250 SCT 65 196/61/50/2709G14/011/ 8/051 58014 1 P.M. Weather: Scattered altocumulus and cirrus Temperature: 70F, Dew point: 53F; Relative Humidity: 55% Wind: SW @ 10G19 kts Sea-level pressure: 1017.4 mb; 30.04 in Hg; falling, then more rapidly Visibility: 60 miles 6-hr Max temp: 70F 6-hr Min temp: 50F 6-hr Precip: 0.00 ins. BHO SA 1755 70 SCT 250 SCT 60 174/70/53/2210G19/004/ 8/051 58022 10070 20050 SUMMARY FOR FRIDAY, OCTOBER 1, 2021 TEMPERATURE (DEGREES F) MAX.......64     NORMAL.....67 MIN.......44     NORMAL.....50 MEAN......54     NORMAL.....58 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL............. -4 TOTAL DEPARTURE FOR THE MONTH......................... -4 [-4.2 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022) TOTAL HEATING UNITS FOR YESTERDAY...............11  DEPARTURE........+3 TOTAL HEATING UNITS FOR THE MONTH...............11  DEPARTURE........+4 TOTAL HEATING UNITS FOR THE SEASON..............85  DEPARTURE.......-40 TOTAL HEATING UNITS LAST SEASON TO DATE.........98  DEPARTURE.......-13 COOLING DEGREE DAYS (SEASON: JAN 2021 THRU DEC 2021) TOTAL COOLING UNITS FOR YESTERDAY................0  DEPARTURE........-1 TOTAL COOLING UNITS FOR THE MONTH................0  DEPARTURE........-1 TOTAL COOLING UNITS FOR THE SEASON.............712  DEPARTURE.......+41 TOTAL COOLING UNITS LAST SEASON TO DATE........831  DEPARTURE......-119 PEAK WIND GUST (MPH):                      Official...................20 WNW @  1:16 P.M.                      AEROVANE (south tower).....20 WNW @ 11:52 A.M.                      VECTOR #2 (south tower)....21     @  1:16 P.M.                      DAVIS #2 (south tower).....18 WNW @ 11:10 A.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..................14 WNW  @  1:16 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............14      @  3:11 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............14 WNW  @  1:18 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........8.8 WNW [210 total miles]                      VECTOR #2..................9.7                      DAVIS #2...................9.5 NW                      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....-0.17 TOTAL PRECIPITATION FOR THE MONTH.............0.00  DEPARTURE....-0.17 TOTAL PRECIPITATION FOR THE YEAR.............46.98  DEPARTURE....+8.40 PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 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 09/01   68/56/62/-7/1.47/000/00          34 NNE AERO 37 NNE RMY N/A     09/02   71/55/63/-6/2.53/322/41          49 ENE AERO 52 ENE RMY N/A 09/03   72/52/62/-6/0.00/735/94          23 NW  AERO 23 NW  RMY N/A 09/04   76/55/66/-2/0.00/757/97          22 WNW AERO 21 WNW RMY N/A 09/05   72/60/66/-2/0.04/008/01          27 S   AERO 29 S   RMY N/A 09/06   80/61/71/+3/0.00/557/72          24 WNW AERO 25 WNW RMY N/A 09/07   78/57/68/+1/0.00/732/95          23 WSW AERO 22 WSW RMY N/A 09/08   81/61/71/+4/0.00/646/84          43 S   AERO 45 S   RMY N/A 09/09   71/64/68/+1/0.90/000/00          33 S   AERO 36 S   RMY N/A 09/10   74/55/65/-1/0.04/595/78          31 NW  AERO 32 WNW RMY N/A 09/11   75/51/63/-3/0.00/730/96          24 SW  AERO 24 SW  RMY N/A 09/12   79/60/70/+4/0.00/591/78          33 SW  AERO 32 SW  RMY N/A 09/13   77/62/70/+5/0.06/559/74          22 NW  AERO 23 NW  RMY N/A 09/14   75/59/67/+2/0.00/444/59          23 S   AERO 25 S   RMY N/A 09/15   82/65/74/+9/T/539/72             32 SSW AERO 35 SSW RMY N/A 09/16   69/61/65/+1/0.27/037/05          24 ENE AERO 24 ENE RMY N/A TSTM       09/17   66/60/63/-1/0.02/000/00          22 NE  AERO 23 NE  RMY N/A 09/18   74/62/68/+5/0.04/207/28          17 WNW AERO 18 WNW RMY N/A TSTM 09/19   71/57/64/+1/0.15/619/84          23 NNE AERO 24 NNE RMY N/A 09/20   71/55/63/0/0.00/588/80           20 SE  AERO 20 SE  RMY N/A 09/21   75/55/65/+3/0.00/.../..          19 SSE AERO 20 SSE RMY N/A 09/22   75/65/70/+8/0.02/.../..          30 S   AERO 30 S   RMY N/A 09/23   78/65/72/+10/0.08/.../..         36 SSE AERO 37 SSE RMY N/A 09/24   75/62/69/+8/0.02/.../..          43 SSE AERO 45 SSE RMY N/A 09/25   74/59/67/+6/0.02/.../..          14 N   AERO 14 NNW RMY N/A 09/26   73/54/64/+4/0.57/.../..          33 WNW AERO 32 WNW RMY N/A 09/27   73/52/63/+3/T/.../..             30 SW  AERO 30 SW  RMY N/A 09/28   67/52/60/+1/0.40/.../..          27 SSW AERO 25 SSW RMY N/A TSTM 09/29   63/45/54/-5/0.00/.../..          25 NNW AERO 25 NNW RMY N/A 09/30   60/46/53/-6/.../.../..           22 NNW AERO 21 NNW RMY N/A PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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 10/01   64/44/54/-4/.../.../..           20 WNW AERO 20 WNW RMY N/A 10/02   The low since midnight is 47F, the daily normal low is 49F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR OCTOBER 2 HIGH 85F IN 1968 LOW 29F IN 1899 PRECIP 1.75 INCHES IN 1984 PEAK GUST 52e MPH S IN 1952, 52 NNW IN 1984 RECORDS FOR OCTOBER 3 HIGH 82F IN 1922 LOW 28F IN 1899 PRECIP 1.76 INCHES IN 1979 PEAK GUST 62 MPH WNW IN 1964 TODAY'S REPORT PREPARED BY: Benjamin Turner