BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA THURSDAY, NOVEMBER 12, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME OVERCAST AND COOLER WITH SOME RAIN SHOWERS IN THE MORNING.... Today was overcast with rain beginning in the mid-afternoon hours, a light shower and left only 0.01 inches in the gauge at the 1 P.M. observation. Last night was received 0.07 inches, measured at 7 A.M. Visibility opened up nicely as the morning fog left, reaching 70 miles by noon.   The maximum temperature so far today is 63 degrees, this is 11 degrees above the normal high of 52 degrees. The minimum temperature since midnight has been 62 degrees, this is 27 degrees above the normal low of 35 degrees. That's on track to be a record, but conditions are cooling significantly as the day goes on. Over the past 6 hours, there has been a temperature drop of over 13 degrees! PRELIMINARY STATS FOR OCTOBER 2020 TEMPERATURE, Deg. F Avg. Max. 61.2 [+0.9] Avg. Min. 45.5 [+1.6] Mean      53.4 [+1.8] 24-hour corrected mean: 52.7 Max. for month: 75F on the 1st 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:  93 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 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 stratus Temperature: 63F; Dew Point: 63F; Relative Humidity: 100% Wind: W at 7 kts Sea-level pressure: 29.93 ins. Hg: falling, then rising Visibility: 1 mile, fog 6-hr Max temp: 64F 6-hr Min temp: 63F 24-hr Precip: 0.07 ins. 24-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1155 35 OVC 1F 134/63/63/2707/993/ 8/6// 70007 53008 10064 20063 10 A.M. Weather: Overcast stratus Temperature: 58F; Dew Point: 56F; Relative Humidity: 93% Wind: NW at 4 kts, light and variable Sea-level pressure: 29.92 ins. Hg: falling steadily Visibility: 20 miles, thin fog 3-hr Precip: 0.00 ins. 3-hr Snow: 0.0 ins. BHO SA 1455 40 OVC 20 130/58/56/3204/992/ THN FG ALQDS WND L/V/ 8/6// 58004 1 P.M. Weather: Overcast stratus Temperature: 55F; Dew Point: 44F; Relative Humidity: 67% Wind: NNW at 12G27 kts, peak of 39 mph at 12:40 P.M. Sea-level pressure: 29.92 ins. Hg: falling, then more slowly Visibility: 70 miles 6-hr Max temp: 63F 6-hr Min temp: 54F 6-hr Precip: 0.01 ins. 6-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 30 OVC 70 129/55/44/34012G27/992/ PK WND 3428/40 8/6// 6001/ 55001 10063 20054 SUMMARY FOR WEDNESDAY, NOVEMBER 11, 2020 TEMPERATURE (DEGREES F) MAX.......73   NORMAL.....52 MIN.......58   NORMAL.....35 MEAN......66   NORMAL.....43 DEPARTURE FROM 30-YEAR NORMAL...................+23 TOTAL DEPARTURE FOR THE MONTH...................+109 [+9.7 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY................0  DEPARTURE......-22 TOTAL HEATING UNITS FOR THE MONTH..............114  DEPARTURE.....-108 TOTAL HEATING UNITS FOR THE SEASON.............566  DEPARTURE.....-219 TOTAL HEATING UNITS LAST SEASON TO DATE........688  DEPARTURE.....-122 PEAK WIND GUST FOR YESTERDAY (MPH):                      420C/Official..............40 SW   AT 12:30 P.M.                      AEROVANE (south tower).....44 SW   AT 12:15 P.M.                      ASOS.......................39 WSW  AT 12:14 P.M.                      DAVIS #1...................40 N    AT 12:14 P.M.                      DAVIS #2 (south tower).....41 SW   AT 12:14 P.M.                      MERLIN.....................42                      RMY........................45                      VECTOR.....................47 FASTEST MILE FOR YESTERDAY: CONTACTING/OFFICIAL.............................30 SW   AT  1:04 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................33 SW   AT  1:03 P.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...............29 W    AT 12:15 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............30 SW   AT 12:16 P.M. AVERAGE WIND SPEED AND DIRECTION:                     CONTACTING/OFFICIAL.......17.2 SSW [413 total miles]                     DAVIS #1..................16.8 WSW [403 total miles]                     DAVIS #2 (south tower)....17.6 SSW [422 total miles]                     ASOS......................16.4     [394 total miles]                     VECTOR....................17.4     [418 total miles]                     PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M.......0.07  DEPARTURE....-0.09                              ASOS.............0.07 TOTAL PRECIPITATION FOR THE MONTH.............0.76  DEPARTURE....-0.76                              ASOS.............0.78 TOTAL PRECIPITATION FOR THE YEAR.............41.93  DEPARTURE....-3.56                               ASOS...........42.73 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.....-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 The low since midnight is 54F, the daily normal low is 35F 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 12 HIGH 74 IN 1909 LOW 18 IN 1926 PRECIP 3.25 INCHES IN 1947 SNOWFALL 8.1 INCHES IN 1987 PEAK GUST 79e MPH NW IN 1947 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 TODAY'S REPORT PREPARED BY: Benjamin Turner