BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, NOVEMBER 30, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME QUIET START QUICKLY BECOMES STORMY THIS AFTERNOON.... We had an overcast but tranquil morning as we awaited the arrival of a storm system. Rain began falling shortly after 11 AM with just a moderate ESE to SE wind. By mid afternoon the wind quickly ramped up with frequent gusts to and over 50 MPH. Within the 4 PM hour winds were really blowing hard up here on the summit with a peak gust officially of 81 MPH from the SSE occuring at 4:38! This gust represents the highest gust officially recorded since 85 MPH on January 18, 2006. Today's high wind event also represents the 4th time this year we've had a peak gust of 70 MPH or higher. The last time this happened was back in 2002! Should the 81 MPH gust hold (if we don't see one higher before midnight), this will be the 8th highest wind gust recorded for the month of November dating back to 1940. Here is a list of current rankings... BHO Highest November Wind Gusts, mph (1940-2020) 1) 96 mph, SSE on 3 Nov 1951 2) 94 mph, E on 25 Nov 1950 3) 90 mph, SSW on 28 Nov 1958    90 mph, SSW on 30 Nov 1963 5) 86 mph, SSE on 29 Nov 1963 6) 83 mph, S on 10 Nov 1942 83 mph, SW on 29 Nov 1960 8) 81 mph, SSE on 30 Nov 2020 Statistics above provided by our Chief Scientist, Mike Iacono. The high so far today is 58F, 13 degrees above the daily normal high of 45F. The low since midnight is 40F, 11 degrees above the normal low of 29F.  Today's Observations: 7 A.M. Weather: Overcast cirrostratus Temperature: 43F; Dew Point: 40F; Relative Humidity: 89% Wind: SE at 13 kts Sea-level pressure: 30.07 in Hg; steady, then falling Visibility: 40 miles, thin smoke layer, hazy 6-hr Max temp: 43F 6-hr Min temp: 40F 24-hr Precip: 0.00 ins. 24-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1155 E170 OVC 40 183/43/40/1313/007/ THN K LYR ALNG HRZN ALQDS HAZY/ 8/007 58010 10043 20040 10 A.M. Weather: Broken stratocumulus, broken altostratus, overcast altostratus/nimbostratus Temperature: 49F; Dew Point: 45F; Relative Humidity: 85% Wind: ESE at 14G20 kts Sea-level pressure: 30.01 in Hg; falling, then more rapidly Visibility: 25 miles, thin smoke layer, hazy 3-hr Precip: 0.00 ins. 3-hr Snow: 0.0 ins. BHO SA 1455 E45 BKN 70 BKN 130 OVC 25 163/49/45/1214G20/001/ VIRGA OVHD-N-NE THN K LYR ALNG HRZN ALQDS HAZY/ 8/52/ 58020 1 P.M. Weather: Broken stratus fractus, broken stratocumulus, overcast nimbostratus, light rain Temperature: 54F; Dew Point: 53F; Relative Humidity: 96% Wind: ESE at 19G26 kts, peak wind 37 MPH ESE at 11:57 A.M. Sea-level pressure: 29.81 in Hg; falling rapidly Visibility: 10 miles, thin fog 6-hr Max temp: 54F 6-hr Min temp: 43F 6-hr Precip: 0.06 ins. 6-hr Snow: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 E10 BKN 50 BKN 70 OVC 10R- 094/54/53/1219G26/981/ THN F ALQDS PCPN VRY LGT PRESFR PK WND 1232/1657/ 8/62/ 58069 6006/ 10054 20043 SUMMARY FOR SUNDAY, NOVEMBER 29, 2020 TEMPERATURE (DEGREES F) MAX.......52   NORMAL.....45 MIN.......33   NORMAL.....29 MEAN......43   NORMAL.....37 DEPARTURE FROM 30-YEAR NORMAL...................  +6 TOTAL DEPARTURE FOR THE MONTH...................+154 [+5.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............22  DEPARTURE...... -6 TOTAL HEATING UNITS FOR THE MONTH..............507  DEPARTURE.....-163 TOTAL HEATING UNITS FOR THE SEASON.............959  DEPARTURE.....-274 TOTAL HEATING UNITS LAST SEASON TO DATE.......1201  DEPARTURE.....-242 PEAK WIND GUST FOR YESTERDAY (MPH):                      420C/Official..............21 SSW  AT   6:54 P.M.                      AEROVANE (south tower).....21 SSW  AT   6:54 P.M.                      ASOS.......................22 SSW  AT   6:56 P.M.                      DAVIS #1...................22 SW   AT   6:55 P.M.                      DAVIS #2 (south tower).....21 WSW  AT   1:56 P.M.                      RMY........................22                            VECTOR.....................22                          MERLIN.....................N/A FASTEST MILE FOR YESTERDAY: CONTACTING/OFFICIAL.............................16 W    AT   2:17 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................15 S    AT  10:59 P.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...............16 W    AT   2:16 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............16 WNW  AT  12:54 A.M. AVERAGE WIND SPEED AND DIRECTION:                      CONTACTING/OFFICIAL......10.6 SSW  [255 total miles]                      ASOS.....................10.8      [259 total miles]                      DAVIS #1.................10.8 WSW  [259 total miles]                      DAVIS #2.................10.9 SW   [262 total miles]                      RMY......................10.3 WSW  [247 total miles]                      VECTOR...................10.7      [257 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....-0.72                              ASOS.............3.97 TOTAL PRECIPITATION FOR THE YEAR.............45.05  DEPARTURE....-3.32                               ASOS...........45.92 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HOURS ENDING 7 A.M...........0.0  DEPARTURE.....-0.2 TOTAL SNOWFALL FOR THE MONTH.................Trace  DEPARTURE.....-2.3 TOTAL SNOWFALL FOR THE SEASON..................6.5  DEPARTURE.....+3.9 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/..../0.0/.../..     23 WNW   AERO 23 WNW  RMY 23 11/28   52/36/44/+6/T/0.0/.../..         28 WNW   AERO 30 WNW  RMY 27 11/29   52/33/43/+6/0.00/0.0/.../..      21 SSW   AERO 21 SSW  RMY 22 11/30 The low since midnight is 40F, the daily normal low is 29F 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 30 HIGH 67 IN 2006 LOW 7 IN 1887, 1929 PRECIP 2.42 INCHES IN 1944 SNOWFALL 10.2 INS IN 1945 PEAK GUST 90 SSW IN 1963 RECORDS FOR DECEMBER 1 HIGH 70 IN 2001 LOW 3 IN 1887 PRECIP 1.46 INS. IN 1917 SNOW 5.7 INS. IN 2019 PEAK GUST 72 MPH NW IN 1964 TODAY'S REPORT PREPARED BY: Matt Douglas