BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, NOVEMBER 28, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME A NICE LATE FALL DAY ATOP GREAT BLUE HILL.... Today we observed improving conditions as the day went on, including the sun breaking out of the clouds a little before the 1 P.M. observation. Wind was westerly, at 16 mph on average with a peak gust around 23 mph. Visibility went from 20 miles this morning to almost 70 miles this afternoon, despite humidity holding in the mid-50 percents and a steady drop in pressure. The high so far today is 51F, 5 degrees above the daily normal high of 46F. The low since midnight is 43F, 13 degrees above the normal low of 30F.  Today's Observations: 7 A.M. Weather: Broken altostratus Temperature: 43F; Dew Point: 39F; Relative Humidity: 85% Wind: NW at 7 kts Sea-level pressure: 29.93 in Hg; steady, then rising Visibility: 20 miles (thin fog) 6-hr Max temp: 46F 6-hr Min temp: 43F 24-hr Precip: 0.00 ins. 24-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1155 65 BKN 20 135/43/39/3107/993/ THN F ALQDS/ 8/010 52001 10046 20043 10 A.M. Weather: Overcast stratocumulus Temperature: 47F; Dew Point: 39F; Relative Humidity: 75% Wind: W at 7 kts Sea-level pressure: 29.94 in Hg; rising, then falling Visibility: 35 miles, hazy 3-hr Precip: 0.00 ins. 3-hr Snow: 0.0 ins. BHO SA 1455 65 OVC 35 138/47/39/2807/994/ HAZY/ 8/01/ 51003 1 P.M. Weather: Broken Stratocumulus and altostratus Temperature: 50F; Dew Point: 37F; Relative Humidity: 59% Wind: W at 14G20 kts Sea-level pressure: 29.90 in Hg; falling, then falling more slowly Visibility: 65 miles 6-hr Max temp: 51F 6-hr Min temp: 43F 6-hr Precip: 0.00 ins. 6-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 35 BKN 140 BKN 65 124/50/37/2814G20/990/ 8/810 56014 10051 20043 SUMMARY FOR FRIDAY, NOVEMBER 27, 2020 TEMPERATURE (DEGREES F) MAX.......53   NORMAL.....46 MIN.......46   NORMAL.....30 MEAN......50   NORMAL.....38 DEPARTURE FROM 30-YEAR NORMAL....................+13 TOTAL DEPARTURE FOR THE MONTH...................+142 [+5.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............15  DEPARTURE......-13 TOTAL HEATING UNITS FOR THE MONTH..............464  DEPARTURE.....-151 TOTAL HEATING UNITS FOR THE SEASON.............916  DEPARTURE.....-262 TOTAL HEATING UNITS LAST SEASON TO DATE.......1143  DEPARTURE.....-227 PEAK WIND GUST FOR YESTERDAY (MPH):                      420C/Official..............23 WNW  AT   5:38 A.M.                      AEROVANE (south tower).....23 WNW  AT   5:28 A.M.                      ASOS.......................22 WNW  AT   5:38 A.M.                      DAVIS #1...................22 WNW  AT   5:38 A.M.                      DAVIS #2 (south tower).....23 W    AT   5:38 A.M.                      RMY........................23                            VECTOR.....................24                          MERLIN.....................N/A FASTEST MILE FOR YESTERDAY: CONTACTING/OFFICIAL.............................16 NW   AT   6:14 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................15 NW   AT   6:15 A.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...............17 NW   AT   5:51 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............17 WNW  AT   4:46 A.M. AVERAGE WIND SPEED AND DIRECTION:                      CONTACTING/OFFICIAL...... 8.3 W    [200 total miles]                      ASOS..................... 8.8      [211 total miles]                      DAVIS #1................. 8.9 WNW  [214 total miles]                      DAVIS #2................. 9.1 WNW  [218 total miles]                      RMY...................... 8.2 W    [197 total miles]                      VECTOR................... 8.7      [202 total miles] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.......0.00  DEPARTURE....-0.16                              ASOS.............0.00 TOTAL PRECIPITATION FOR THE MONTH.............3.88  DEPARTURE....-0.39                              ASOS.............3.97 TOTAL PRECIPITATION FOR THE YEAR.............45.05  DEPARTURE....-2.99                               ASOS...........45.92 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HOURS ENDING 7 A.M...........0.0  DEPARTURE.....-0.1 TOTAL SNOWFALL FOR THE MONTH.................Trace  DEPARTURE.....-1.8 TOTAL SNOWFALL FOR THE SEASON..................6.5  DEPARTURE.....+4.4 PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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 11/01   49/36/43/-3/0.69/0.0/006/01      38 W     AERO 40 W    RMY 39 11/02   40/31/36/-10/T/T/425/69          61 WNW   AERO 62 WNW  RMY 62 11/03   43/29/36/-10/0.00/0.0/473/77     48 WNW   AERO 53 WNW  RMY 48 11/04   54/30/42/-3/0.00/0.0/550/90      30 SSW   AERO 30 SSW  RMY 30 11/05   69/49/59/+14/0.00/0.0/548/90     37 SSW   AERO 40 SSW  RMY 38 11/06   72/55/64/+19/0.00/0.0/394/65     28 SW    AERO 28 SW   RMY M 11/07   75/54/65/+20/0.00/0.0/562/93     21 WSW   AERO 21 WSW  RMY 21 11/08   73/54/64/+20/0.00/0.0/584/97     18 W     AERO 18 W    RMY 19 11/09   74/52/63/+19/0.00/0.0/593/99     20 WSW   AERO 18 WSW  RMY 21 11/10   74/53/64/+20/0.00/0.0/597/100    30 SW    AERO 28 SW   RMY 31 11/11   73/58/66/+23/0.04/0.0/.../..     40 SW    AERO 44 SW   RMY 45 11/12   64/46/55/+12/0.04/0.0/.../..     32 NNW   AERO 31 NNW  RMY 33 11/13   48/38/43/0/0.30/0.0/.../..       22 NW    AERO 21 NW   RMY 25 11/14   49/32/41/-1/0.00/0.0/.../..      26 NW    AERO 28 NW   RMY 29 11/15   58/30/44/+2/0.62/0.0/.../..      60 S     AERO 67 S    RMY 65 11/16   53/39/46/+4/0.00/0.0/.../..      40 WNW   AERO 41 WNW  RMY 43 11/17   47/32/40/-1/0.00/0.0/.../..      28 NW    AERO 28 NW   RMY 30 11/18   32/19/26/-15/0.00/0.0/.../..     40 NW    AERO 46 NW   RMY 43 11/19   44/18/31/-10/0.00/0.0/.../..     37 SW    AERO 39 SW   RMY 43     11/20   63/44/54/+14/0.00/0.0/.../..     33 SSW   AERO 35 SSW  RMY 37 11/21   62/40/51/+11/0.00/0.0/.../..     24 W     AERO 23 W    RMY 27 11/22   45/33/39/-1/T/0.0/.../..         28 SE    AERO 28 SE   RMY 31 11/23   58/32/45/+6/1.77/0.0/.../..      42 WNW   AERO 48 WNW  RMY 46 TSTM 11/24   42/27/35/-4/0.00/0.0/.../..      31 WNW   AERO 32 WNW  RMY 33 11/25   50/26/38/-1/..../0.0/.../..      23 SSE   AERO 23 SSE  RMY 26 11/26   58/45/52/+14/.../0.0/.../..      36 S     AERO 37 S    RMY 41 11/27   53/46/50/+12/..../.../.../..     23 WNW   AERO 23      RMY 23 11/28 The low since midnight is 43F, the daily normal low is 30F DAILY RECORDS FOR NOVEMBER 2020 11/06/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 72F,           BREAKS PREVIOUS RECORD OF 71F SET IN 1959 AND 2015 11/07/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 75F,           TIES PREVIOUS RECORD OF 75F SET IN 1938 11/08/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 73F,           BREAKS PREVIOUS RECORD OF 72F SET IN 1938 11/09/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 74F,           BREAKS PREVIOUS RECORD OF 72F SET IN 1975 11/11/20: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 58F,           BREAKS PREVIOUS RECORD OF 56F IN 2002           DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 73F,           BREAKS PREVIOUS RECORD OF 68F IN 1984 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR NOVEMBER 28 HIGH 70 IN 1990 LOW 10 IN 1901,1930,1936 PRECIP 1.84 INCHES IN 1889 SNOWFALL 3.0 INS IN 1917 PEAK GUST 90 SSW IN 1958 RECORDS FOR NOVEMBER 29 HIGH 66 IN 2011       LOW 6 IN 1901 PRECIP 2.69 INCHES IN 1963 SNOWFALL 6.0 INS IN 2012 PEAK GUST 86 SSE IN 1963 TODAY'S REPORT PREPARED BY: Benjamin Turner