BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA TUESDAY, NOVEMBER 24, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME A CHILLY, LATE FALL DAY ATOP GREAT BLUE HILL.... We observed a fair weather day with very few clouds in the sky. This included a nice 80 miles of visibility and dry conditions. A wind shift from south to west was seen between 8 and 10 A.M., and a max gust of 29 mph was observed around noontime.   The high so far today is 41F, 6 degrees below the daily normal high of 47F. The low since midnight is 30F, a degree below the normal low of 31F.  Today's Observations: 7 A.M. Weather: Few cumulus Temperature: 30F; Dew Point: 24F; Relative Humidity: 78% Wind: S at 19G22 kts Sea-level pressure: 30.19 ins. Hg, rising rapidly Visibility: 30 miles, haze 6-hr Max temp: 32F 6-hr Min temp: 30F 24-hr Precip: 1.37 ins. 24-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1155 CLR 30 222/30/24/1912G22/019/ FEW CU ALQDS HAZY/ 8/100 53032 10032 20030 10 A.M. Weather: Scattered cumulus Temperature: 38F; Dew Point: 25F; Relative Humidity: 59% Wind: W at 12G18 kts Sea-level pressure: 30.28 ins. Hg: rising steadily Visibility: 80 miles 3-hr Precip: 0.00 ins. 3-hr Snow: 0.0 ins. BHO SA 1455 50 SCT 80 251/38/25/2812G18/028/ 8/100 51029 1 P.M. Weather: Few cumulus Temperature: 41F; Dew Point: 19F; Relative Humidity: 41% Wind: WNW at 14G22 kts Sea-level pressure: 30.27 ins. Hg: steady, then falling Visibility: 80 miles, thin fog 6-hr Max temp: 41F 6-hr Min temp: 30F 6-hr Precip: 0.00 ins. 6-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 CLR 80 250/41/19/3014G22/027/ FEW CU ALQDS 8/100 58001 10041 20030 SUMMARY FOR MONDAY, NOVEMBER 23, 2020 TEMPERATURE (DEGREES F) MAX.......58   NORMAL.....47 MIN.......32   NORMAL.....31 MEAN......45   NORMAL.....39 DEPARTURE FROM 30-YEAR NORMAL...................+6 TOTAL DEPARTURE FOR THE MONTH...................+132 [+5.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............20  DEPARTURE......-6 TOTAL HEATING UNITS FOR THE MONTH..............379  DEPARTURE.....-129 TOTAL HEATING UNITS FOR THE SEASON.............831  DEPARTURE.....-240 TOTAL HEATING UNITS LAST SEASON TO DATE.......1060  DEPARTURE.....-229 PEAK WIND GUST FOR YESTERDAY (MPH):                      420C/Official..............42 WNW  AT   3:08 P.M.                      AEROVANE (south tower).....48 WNW  AT   3:08 P.M.                      ASOS.......................43 W    AT   3:10 P.M.                      DAVIS #1...................41 W    AT  10:50 A.M.                      DAVIS #2 (south tower).....43 NW   AT   3:07 P.M.                      RMY........................46                      VECTOR.....................48                      MERLIN.....................39 FASTEST MILE FOR YESTERDAY: CONTACTING/OFFICIAL.............................30 WNW  AT  10:50 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................26 WNW  AT   3:10 A.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...............30 WNW  AT  10:51 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............30 WNW  AT  10:51 A.M. AVERAGE WIND SPEED AND DIRECTION:                     CONTACTING/OFFICIAL......16.0 WNW [370 total miles]                     ASOS.....................16.3     [386 total miles]                     DAVIS #1.................16.1 W   [376 total miles]                     DAVIS #2.................17.0 W   [408 total miles]                     RMY......................15.0 W   [348 total miles]                     VECTOR...................15.8     [372 total miles] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.......1.37  DEPARTURE....+1.21                              ASOS.............1.40 TOTAL PRECIPITATION FOR THE MONTH.............3.51  DEPARTURE....-1.33                              ASOS.............3.60 TOTAL PRECIPITATION FOR THE YEAR.............44.68  DEPARTURE....-2.72                               ASOS...........45.55 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.....-1.2 TOTAL SNOWFALL FOR THE SEASON..................6.5  DEPARTURE.....+5.0 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/..../.../.../..      42 WNW   AERO 48 WNW  RMY 46 11/24 The low since midnight is 30F, the daily normal low is 31F 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 24 HIGH 69 IN 1931 LOW 7 IN 1897 PRECIP 1.76 INCHES IN 1901 SNOWFALL 4.5 INS IN 1936 PEAK GUST 69 SSW IN 1959 RECORDS FOR NOVEMBER 25 HIGH 71 IN 1979 LOW 13 IN 1938 PRECIP 3.10 INCHES IN 1983 SNOWFALL 8.0 INS IN 1888 PEAK GUST 94e E IN 1950 TODAY'S REPORT PREPARED BY: Benjamin Turner