BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, NOVEMBER 15, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME MOSTLY CLOUDY WITH A SERIOUS DROP IN PRESSURE IN THE AFTERNOON.... Today we saw a partly cloudy day to begin with, becoming overcast after a 4 mb drop in pressure. Pressure was decent at 65 miles, slightly limited by a distant haze. Temperatures remain cool, while wind is southerly and increasing. The max gust so far today is 20 mph. The high so far today is 45F, 6 degrees below the daily normal high of 51F. The low since midnight is 30F, 4 degrees below the normal low of 34F.  PRELIMINARY STATS FOR OCTOBER 2020 TEMPERATURE, Deg. F Avg. Max. 61.2 [+0.9] Avg. Min. 45.5 [+2.6] Mean      53.4 [+1.8] 24-hour corrected mean: 52.7 Max. for month: 75F on the 1st and 10th Min. for month: 24F on the 31st HEATING DEGREE DAYS Total heating units:   354  [-67] Total for the season:  452 [-111] Total for last season: 440 COOLING DEGREE DAYS Total cooling units:      1  [-4] Total for the season:   831  [+229] Total for last season:  682 PRECIPITATION, Inches Total: 6.75 [+2.06] Greatest in 24 hrs: 2.24 inches on the 16-17th SNOWFALL, Inches Total: 6.5 [+6.2] Greatest in 24 hrs: 6.5 inches on the 30th WIND, mph Avg. uncorrected wind speed: 10.7 mph Avg. corrected wind speed:   11.3 mph Prevailing wind direction:   S [12%] Peak gust and direction:     76 S on the 7th SUNSHINE: Campbell-Stokes card minutes: 10008 minutes of a possible 19824 or 50% Astronomical total minutes: 10345 minutes of a possible 20500 or 50% Today's Observations: 7 A.M. Weather: Broken cirrostratus Temperature: 32F; Dew Point: 21F; Relative Humidity: 62% Wind: N at 8 kts Sea-level pressure: 30.28 ins. Hg: falling then rising Visibility: 65 miles 6-hr Max temp: 32F 6-hr Min temp: 30F 24-hr Precip: 0.00 ins. 24-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1155 250 SCT 65 254/32/21/0108/028/ FEW CU ALQDS/ 8/106 50001 10032 20030 10 A.M. Weather: Scattered cirrostratus, few cumulus Temperature: 42F; Dew Point: 27F; Relative Humidity: 55% Wind: S at 8 kts Sea-level pressure: 30.27 ins. Hg: rising then falling Visibility: 65 miles 3-hr Precip: 0.00 ins. 3-hr Snow: 0.0 ins. BHO SA 1455 250 SCT 65 250/42/27/1708/027/ FEW CU ALQDS/ 8/106 55004 1 P.M. Weather: Overcast altocumulus Temperature: 43F; Dew Point: 29F; Relative Humidity: 57% Wind: S at 9 kts Sea-level pressure: 30.19 ins. Hg: falling, then more rapidly Visibility: 65 miles 6-hr Max temp: 45F 6-hr Min temp: 33F 6-hr Precip: 0.00 ins. 6-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 120 BKN 65 216/43/29/1709/019/ 8/070 58034 10045 20033 SUMMARY FOR SATURDAY, NOVEMBER 14, 2020 TEMPERATURE (DEGREES F) MAX.......49   NORMAL.....51 MIN.......32   NORMAL.....34 MEAN......41   NORMAL.....42 DEPARTURE FROM 30-YEAR NORMAL...................-1 TOTAL DEPARTURE FOR THE MONTH...................+120 [+8.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............24  DEPARTURE......+1 TOTAL HEATING UNITS FOR THE MONTH..............170  DEPARTURE.....-119 TOTAL HEATING UNITS FOR THE SEASON.............622  DEPARTURE.....-230 TOTAL HEATING UNITS LAST SEASON TO DATE........802  DEPARTURE.....-180 PEAK WIND GUST FOR YESTERDAY (MPH):                      420C/Official..............26 NW   AT  2:06 P.M.                      AEROVANE (south tower).....28 NW   AT  2:06 P.M.                      ASOS.......................27 W    AT  2:54 P.M.                      DAVIS #1...................28 NW   AT  2:54 P.M.                      DAVIS #2 (south tower).....28 NW   AT  2:06 P.M.                      RMY........................29                      VECTOR.....................30                      MERLIN.....................27 FASTEST MILE FOR YESTERDAY: CONTACTING/OFFICIAL.............................19 NW   AT 12:03 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................18 NW   AT 12:07 P.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...............20 NW   AT 12:07 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............21 NW   AT  2:07 P.M. AVERAGE WIND SPEED AND DIRECTION:                     CONTACTING/OFFICIAL......10.9 WNW [262 total miles]                     ASOS.....................10.6     [254 total miles]                     DAVIS #1.................11.4 WNW [274 total miles]                     VECTOR...................10.4     [250 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.............1.07  DEPARTURE....-1.13                              ASOS.............1.08 TOTAL PRECIPITATION FOR THE YEAR.............42.24  DEPARTURE....-3.73                               ASOS...........43.03 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HOURS ENDING 7 A.M...........0.0  DEPARTURE......0.0 TOTAL SNOWFALL FOR THE MONTH.................Trace  DEPARTURE.....-0.5 TOTAL SNOWFALL FOR THE SEASON..................6.5  DEPARTURE.....+5.8 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  75/56/66/+9/0.00/591/84           28 SW    AERO 28 SW   RMY N/A 10/02  63/49/56/-1/0.02/203/29           20 NW    AERO 21 NW   RMY 20 10/03  65/45/55/-1/0.00/676/97           19 WNW   AERO 19 WNW  RMY 19 10/04  65/45/55/-1/0.00/659/95           17 ESE   AERO 18 ESE  RMY 18 10/05  62/52/57/+1/0.00/277/40           17 ENE   AERO 17 ENE  RMY N/A 10/06  69/51/60/+5/0.00/503/73           28 S     AERO 28 S    RMY 29 10/07  73/50/62/+7/0.14/316/46           76 W     AERO 74 W    RMY 70  TSTM 10/08  61/42/52/-2/0.00/676/99           41 W     AERO 41 W    RMY N/A 10/09  60/37/49/-5/0.00/646/95           25 SSW   AERO 28 SSW  RMY N/A 10/10  75/52/64/+10/0.00/549/81          40 SSW   AERO 40 SSW  RMY 38 10/11  64/47/56/+3/0.00/574/85           32 NNW   AERO 35 NNW  RMY N/A 10/12  52/48/50/-3/T/000/00              28 E     AERO 27 E    RMY N/A 10/13  57/49/53/0/1.74/000/00            32 E     AERO 33 E    RMY N/A 10/14  67/47/57/+5/0.00/606/91           23 WNW   AERO 25 WNW  RMY N/A 10/15  71/50/61/+9/0.00/511/77           43 S     AERO 46 S    RMY 42 10/16  68/48/58/+7/1.00/020/03           28 S     AERO 30 S    RMY N/A 10/17  56/39/48/-3/1.24/480/73           35 WNW   AERO 40 WNW  RMY 37 10/18  60/46/53/+2/0.00/622/95           20 ESE   AERO 21 ESE  RMY 20 10/19  61/46/54/+4/0.00/575/88           16 ESE   AERO 16 SSE  RMY N/A 10/20  66/49/58/+8/0.00/065/10           22 S     AERO 22 S    RMY 22 10/21  71/56/64/+14/0.06/000/00          26 SSW   AERO 26 SSW  RMY 26 10/22  70/54/62/+13/0.00/471/73          18 SSW   AERO 17 SSW  RMY N/A 10/23  68/52/60/+11/0.00/340/53          18 ESE   AERO 18 ESE  RMY 18 10/24  68/42/55/+6/0.00/217/34           32 NNW   AERO 32 NNW  RMY 32 10/25  50/40/45/-4/0.00/134/21           19 NNW   AERO 19 NNW  RMY N/A 10/26  52/43/48/0/0.02/000/00            20 E     AERO 18 ESE  RMY 20 10/27  52/43/48/0/T/038/06               22 NNW   AERO 22 NNW  RMY N/A 10/28  49/42/46/-2/0.33/000/00           18 W     AERO 18 W    RMY 18 10/29  46/41/44/-3/1.26/000/00           39 NE    AERO 38 NE   RMY 38 10/30  41/26/34/-13/0.94/000/00          37 NNE   AERO 44 NNE  RMY N/A 10/31  39/24/32/-15/0.00/596/96          18 SSE   AERO 20 SSE  RMY 17 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/.../..      38 W     AERO 40 W    RMY 39 11/02   40/31/36/-10/T/T/.../..          61 WNW   AERO 62 WNW  RMY 62 11/03   43/29/36/-10/0.00/0.0/.../..     48 WNW   AERO 53 WNW  RMY 48 11/04   54/30/42/-3/0.00/0.0/.../..      30 SSW   AERO 30 SSW  RMY 30 11/05   69/49/59/+14/0.00/0.0/.../..     37 SSW   AERO 40 SSW  RMY 38 11/06   72/55/64/+19/0.00/0.0/.../..     28 SW    AERO 28 SW   RMY M 11/07   75/54/65/+20/0.00/0.0/.../..     21 WSW   AERO 21 WSW  RMY 21 11/08   73/54/64/+20/0.00/0.0/.../..     18 W     AERO 18 W    RMY 19 11/09   74/52/63/+19/0.00/0.0/.../..     20 WSW   AERO 18 WSW  RMY 21 11/10   74/53/64/+20/0.00/0.0/.../..     30 SW    AERO 28 SW   RMY 31 11/11   73/58/66/+23/..../.../.../..     40 SW    AERO 44 SW   RMY 45 11/12   64/46/55/+12/.../.../.../..      32 NNW   AERO 31 NNW  RMY 33 11/13   48/38/43/0/..../.../.../..       22 NW    AERO 21 NW   RMY 25 11/14   49/32/41/-1/..../.../.../..      26 NW    AERO 28 NW   RMY 29 11/15   The low since midnight is 30F, the daily normal low is 34F 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 15 HIGH 74 IN 1993 LOW 15 IN 1933 PRECIP 1.66 INCHES IN 1981 SNOWFALL 4.0 IN 1967 PEAK GUST 65 SSE IN 2008 RECORDS FOR NOVEMBER 16 HIGH 73 IN 1927 LOW 8 IN 1933 PRECIP 2.25 INCHES IN 1981 SNOWFALL 2.0 IN 1913 PEAK GUST 78 S IN 1989 TODAY'S REPORT PREPARED BY: Benjamin Turner