BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, NOVEMBER 29, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0652E SUNSET:  1613E CHILLY WITH INCREASING VISIBILITY AND MOSTLY CLOUDY SKIES.... Today began on the hazier side with 20 miles of visibility in the morning; increasing to 75 miles by noontime. Skies were mostly cloudy with some sun breaking through by the 10 A.M. observation. Wind was northerly with an average speed around 7 mph and a max gust of only 13 mph occurring earlier this morning. Temperatures are once again below normal with a high so far today of 38F, 8 degrees below the normal max of 46F. The low since midnight is 28F, 2 degrees below the normal low of 30F. These temperatures are normal for mid to late December! -------------------------------------------------------------- Today's Observations: 7 A.M. Weather: Scattered stratocumulus and altocumulus, overcast cirrostratus with breaks NE-SE   Temperature: 28F; Dew Point: 21F; Relative Humidity: 74% Wind: N @ 8 kts Sea-level pressure: 1010.4 mb; 29.84 in. Hg: rising, then more rapidly Visibility: 20 miles, hazy 6-hr Max temp: 32F 6-hr Min temp: 28F 24-hr Precip:   Trace 24-hr Snowfall: Trace Snow Depth: 0 ins. BHO SA 1155 40 SCT 120 BKN 250 OVC 20 104/28/21/3608/984/ BINOVC NE-SE HAZY/ 8/558 53011 70000 10032 20028 10 A.M. Weather: Scattered stratocumulus, broken altocumulus Temperature: 33F; Dew Point: 23F; Relative Humidity: 67% Wind: N @ 8 kts Sea-level pressure: 1009.2 mb; 29.80 in Hg; falling unsteadily Visibility: 30 miles, hazy 3-hr Precip: 0.00 ins. 3-hr Snowfall: 0.0 ins. BHO SA 1455 40 SCT 120 BKN 30 092/33/23/3608/980/ HAZY/ 8/550 57012 1 P.M. Weather: Scattered cumulus, broken altocumulus and cirrocumulus Temperature: 38F, Dew point: 24F; Relative Humidity: 57% Wind: N @ 7 kts Sea-level pressure: 1007.9 mb; 29.76 in Hg; falling, then more slowly Visibility: 75 miles 6-hr Max temp: 38F 6-hr Min temp: 28F 6-hr Precip: 0.00 ins. 6-hr Snowfall: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 60 SCT 120 BKN 250 BKN 75 079/38/24/3607/976/ 8/179 56013 10038 20028 SUMMARY FOR SUNDAY, NOVEMBER 28, 2021 TEMPERATURE (DEGREES F) MAX.......36     NORMAL.....46 MIN.......24     NORMAL.....30 MEAN......30     NORMAL.....38 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL...............  -8 TOTAL DEPARTURE FOR THE MONTH........................... +24 [+0.7 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022) TOTAL HEATING UNITS FOR YESTERDAY...............35  DEPARTURE........+8 TOTAL HEATING UNITS FOR THE MONTH..............613  DEPARTURE.......-24 TOTAL HEATING UNITS FOR THE SEASON.............940  DEPARTURE......-208 TOTAL HEATING UNITS LAST SEASON TO DATE........937  DEPARTURE......  +3 PEAK WIND GUST (MPH):                      Official (1-Sec AVG).......22 W   @  2:50 A.M.                      AEROVANE...................21 W   @  2:25 A.M.                      VECTOR #2 (Instantaneous)..23     @  2:50 A.M.                      DAVIS #2 ..................21 W   @  2:17 A.M.                      RMY #2 (Instantaneous).....23 W   @  2:24 A.M.                      ASOS...........OUT OF SERVICE D/T RENOVATIONS                      VECTOR #1......OUT OF SERVICE D/T RENOVATIONS                      DAVIS #1.......OUT OF SERVICE D/T RENOVATIONS                      RMY #1.........OUT OF SERVICE D/T RENOVATIONS                        MERLIN.........OUT OF SERVICE D/T RENOVATIONS FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL..................16 W   @  2:27 A.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............17     @  2:24 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............17 W   @  2:27 A.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE.................17 W   @  2:24 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE.......OUT OF SERVICE D/T RENOVATIONS MAXIMUM 2-MINUTE DAVIS #1 AVERAGE...OUT OF SERVICE D/T RENOVATIONS MAXIMUM 2-MINUTE VECTOR #1 AVERAGE..OUT OF SERVICE D/T RENOVATIONS MAXIMUM 2-MINUTE RMY #1 AVERAGE.....OUT OF SERVICE D/T RENOVATIONS AVERAGE WIND SPEED AND DIRECTION:                      CONTACTING/OFFICIAL.......6.4 WSW  [153 total miles]                      VECTOR #2.................7.3                      DAVIS #2..................7.1 W                      RMY #2....................7.3 WSW                      RMY #1..............OUT OF SERVICE D/T RENOVATIONS                      ASOS................OUT OF SERVICE D/T RENOVATIONS                      VECTOR #1...........OUT OF SERVICE D/T RENOVATIONS                      DAVIS #1............OUT OF SERVICE D/T RENOVATIONS    PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M......TRACE  DEPARTURE.....-0.16 TOTAL PRECIPITATION FOR THE MONTH.............1.92  DEPARTURE.....-2.08 TOTAL PRECIPITATION FOR THE YEAR.............56.77  DEPARTURE.....+8.87 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M...........TRACE  DEPARTURE......-0.1 TOTAL SNOWFALL FOR THE MONTH...................1.0  DEPARTURE......-0.5 TOTAL SNOWFALL FOR THE SEASON (2021-2022)......1.0  DEPARTURE......-1.2 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   59/41/50/+3/0.00/0.0/594/96      38 WNW AERO 39 WNW RMY 39 11/02   56/40/48/+1/0.00/0.0/247/40      25 SW  AERO 25 SW  RMY 26 11/03   51/35/43/-3/0.00/0.0/572/93      28 W   AERO 25 W   RMY 27     11/04   49/31/40/-6/0.00/0.0/446/73      17 NNE AERO 17 NNW RMY 16 11/05   49/32/41/-5/0.00/0.0/591/97      25 NW  AERO 24 NW  RMY 24 11/06   51/34/43/-2/0.00/0.0/595/98      18 SSW AERO 17 SW  RMY 19 11/07   55/37/46/+1/0.00/0.0/514/85      17 W   AERO 17 W   RMY 16 11/08   60/38/49/+4/0.00/0.0/578/96      20 N   AERO 18 N   RMY 19 11/09   69/45/57/+13/0.00/0.0/582/97     21 W   AERO 21 W   RMY 22 11/10   60/44/52/+8/0.00/0.0/389/65      36 NW  AERO 35 NW  RMY 35 11/11   56/40/48/+5/0.00/0.0/501/84      26 SE  AERO 28 SE  RMY 27 11/12   61/45/53/+10/1.00/0.0/000/00     72 SSE AERO 78 SSE RMY 76 11/13   60/36/48/+5/0.32/0.0/556/94      53 SW  AERO 53 SW  RMY 54 11/14   47/33/40/-2/0.03/0.0/336/57      29 W   AERO 28 W   RMY 28 11/15   48/36/42/0/0.07/0.0/405/69       35 W   AERO 36 W   RMY 38 11/16   46/31/39/-3/0.00/0.0/.../..      40 WNW AERO 41 WNW RMY 42 11/17   49/30/40/-1/0.00/0.0/.../..      34 S   AERO 36 S   RMY 34 11/18   69/49/59/+18/T/0.0/.../..        39 NW  AERO 36 WNW RMY 42 11/19   51/32/42/+1/0.29/0.0/.../..      42 W   AERO 41 W   RMY 41 11/20   45/27/36/-4/0.00/0.0/.../..      23 S   AERO 23 S   RMY 24 11/21   52/36/44/+4/T/0.0/.../..         35 S   AERO 35 S   RMY 36 11/22   55/33/44/+4/0.09/0.0/.../..      41 WSW AERO 41 WSW RMY 42 11/23   38/24/31/-8/0.00/0.0/.../..      36 NW  AERO 37 NW  RMY 37 11/24   41/22/32/-7/0.00/0.0/.../..      33 NW  AERO 32 NW  RMY 34 11/25   53/31/42/+3/0.00/0.0/.../..      21 WNW AERO 21 W   RMY 21 11/26   43/31/37/-1/0.11/0.9/.../..      39 WNW AERO 39 WNW RMY 41 11/27   37/24/31/-7/0.01/0.1/.../..      47 WNW AERO 45 WNW RMY 48 11/28   36/24/30/-8/T/T/.../..           22 W   AERO 21 W   RMY 23 11/29   The low since midnight is 28F, the daily normal low is 30F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR NOVEMBER 29 HIGH 66 IN 2011       LOW 6 IN 1901 PRECIP 2.69 INCHES IN 1963 SNOWFALL 5.0 INS IN 1995 PEAK GUST 86 SSE IN 1963 RECORDS FOR NOVEMBER 30 HIGH 67 IN 2006 LOW 6 IN 1891 PRECIP 2.50 INCHES IN 1944 SNOWFALL 10.2 INS IN 1945 PEAK GUST 90 SSW IN 1963 TODAY'S REPORT PREPARED BY: Benjamin Turner