BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA FRIDAY, NOVEMBER 13, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME A SOGGY AND DREARY FRIDAY ATOP GREAT BLUE HILL.... The warm September vibes have officially come to an end! After setting 5 record highs and 1 record high minimum in the past 7 days(!), we bottomed out at 43F this morning - only rising to 48F by early afternoon thanks to a persistent onshore flow. Winds have peaked so far at 22 MPH from the ENE. The other story is the fog and rain. The summit has been socked in fog all day with visibility averaging 1/8 of a mile. Intermittent showers continue to roll through with meager amounts. Our 24-hour total ending at 7E this morning registered just 0.06 inches. Since then, only 0.10 inches of rain have fallen. The high so far today is 48F, 3F below the daily normal high of 51F. The low since midnight is 43F, 9F above the normal low of 34.  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: Light rain (sky obscured, vertical visibility 300ft) Temperature: 44F; Dew Point: 44F; Relative Humidity: 100% Wind: NE at 7 kts Sea-level pressure: 30.08 ins. Hg: steady, then falling Visibility: 1/16 mile, fog 6-hr Max temp: 44F 6-hr Min temp: 43F 24-hr Precip: 0.06 ins. 24-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1155 X W3 1/16R-F 185/44/44/0507/008/ R-CTD/ 8//// 58004 70006 10044 200433 10 A.M. Weather: Light rain (sky obscured, vertical visibility 300ft) Temperature: 46F; Dew Point: 46F; Relative Humidity: 100% Wind: ENE at 9 kts Sea-level pressure: 30.04 ins. Hg: rising, then falling Visibility: 1/8 mile, fog 3-hr Precip: 0.06 ins. 3-hr Snow: 0.0 ins. BHO SA 1455 X W3 1/8R-F 173/46/46/0609/004/ R-CTD/ 8//// 58012 6006/ 1 P.M. Weather: Light rain (sky obscured, vertical visibility 300ft) Temperature: 47F; Dew Point: 47F; Relative Humidity: 100% Wind: ENE at 7 kts Sea-level pressure: 29.95 ins. Hg: falling, then falling more slowly Visibility: 1/8 mile, fog 6-hr Max temp: 48F 6-hr Min temp: 44F 6-hr Precip: 0.10 ins. 6-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 X W3 1/8R-F 142/47/47/0707/995/ R-CTD/ 8//// 56031 6010/ 10048 20044 SUMMARY FOR THURSDAY, NOVEMBER 12, 2020 TEMPERATURE (DEGREES F) MAX.......64   NORMAL.....51 MIN.......46   NORMAL.....35 MEAN......55   NORMAL.....43 DEPARTURE FROM 30-YEAR NORMAL...................+12 TOTAL DEPARTURE FOR THE MONTH...................+121 [+9.9 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............12  DEPARTURE......-10 TOTAL HEATING UNITS FOR THE MONTH..............124  DEPARTURE.....-120 TOTAL HEATING UNITS FOR THE SEASON.............576  DEPARTURE.....-231 TOTAL HEATING UNITS LAST SEASON TO DATE........722  DEPARTURE.....-146 PEAK WIND GUST FOR YESTERDAY (MPH):                      420C/Official..............32 NNW  AT 12:39 P.M.                      AEROVANE (south tower).....31 NNW  AT 12:40 P.M.                      ASOS.......................32 NNW  AT 12:40 P.M.                      DAVIS #1...................32 N    AT 12:40 P.M.                      DAVIS #2 (south tower).....30 N    AT 12:40 P.M.                      RMY........................33      AT 12:39 P.M.                      VECTOR.....................36      AT 12:38 P.M.                      MERLIN.....................31 FASTEST MILE FOR YESTERDAY: CONTACTING/OFFICIAL.............................23 NNW  AT 12:40 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................23 NNW  AT 12:40 P.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...............24 NNW  AT 12:140 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............23 NNW  AT 12:40 P.M. AVERAGE WIND SPEED AND DIRECTION:                     CONTACTING/OFFICIAL.......10.0 NNW [241 total miles]                     ASOS.......................9.5     [228 total miles]                     DAVIS #1..................10.2 NNW [245 total miles]                     DAVIS #2 (south tower)....10.4 NNW [250 total miles]                     VECTOR....................10.2     [245 total miles] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.......0.06  DEPARTURE....-0.10                              ASOS.............0.06 TOTAL PRECIPITATION FOR THE MONTH.............0.82  DEPARTURE....-1.06                              ASOS.............0.84 TOTAL PRECIPITATION FOR THE YEAR.............41.99  DEPARTURE....-3.66                               ASOS...........42.79 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.....-0.4 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   The low since midnight is 43F, 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 13 HIGH 66 IN 1931, 1964 LOW 14 IN 1920 PRECIP 1.96 INCHES IN 1982 SNOWFALL 4.6 IN 2004 PEAK GUST 77 S IN 1982   RECORDS FOR NOVEMBER 14 HIGH 70 IN 1993 LOW 11 IN 1905 PRECIP 2.08 INCHES IN 2009 SNOWFALL 3.5 IN 1997, 2014 PEAK GUST 63 W IN 2003 TODAY'S REPORT PREPARED BY: Andrew Swanson