BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, NOVEMBER 28, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0651E SUNSET:  1614E OVERCAST AND CHILLY DAY WITH LIGHT WIND.... Not much to write home about today as it's been a rather tranquil day full of cloud cover, a lot of virga, chilly temperatures, and light wind. An Alberta Clipper is approaching the region which is the reason for all the clouds today. Light snow showers have been trying to move in, and have been successful in areas to our south and west. However very dry air aloft over central and eastern Massachusetts has prevented any from getting here so far. Instead we've been observing a lot of virga in the sky to this point. A testament to the dry air, the dew point has been holding in the upper teens all day. As mentioned the wind has been quite light today, a big difference from yesterday for sure. The average speed for the day so far is only around 10mph. The peak gust thus far is only 22mph, which occurred in the wee hours of the morning, just before 3 A.M. Visibility has been decreasing a bit to around 60 miles early this afternoon after spending the morning around 70 miles. Temperatures are once again below normal with a high so far today of 36F, 10 degrees below the normal max of 46F. The low since midnight is 24F, 6 degrees below the normal low of 30F. -------------------------------------------------------------- Today's Observations: 7 A.M. Weather: Overcast altostratus, few stratocumulus offshore distant NE-SE Temperature: 27F; Dew Point: 18F; Relative Humidity: 69% Wind: WSW @ 8 kts Sea-level pressure: 1011.9 mb; 29.88 in. Hg: rising, then more rapidly Visibility: 70 miles 6-hr Max temp: 27F 6-hr Min temp: 24F 24-hr Precip: 0.00 ins. 24-hr Snowfall: 0.0 ins. Snow Depth: Trace BHO SA 1155 E100 OVC 70 119/27/18/2508/988/ FEW SC OFFSHR DSNT NE-SE/ 8/52/ 4/000 53006 10027 20024 10 A.M. Weather: Broken altostratus, overcast cirrostratus, few breaks in overcast W-NNW, few stratocumulus offshore distant NE-SE, virga E-S-SW   Temperature: 32F; Dew Point: 18F; Relative Humidity: 56% Wind: WSW @ 7 kts Sea-level pressure: 1012.5 mb; 29.90 in Hg; rising steadily Visibility: 70 miles 3-hr Precip: 0.00 ins. 3-hr Snowfall: 0.0 ins. BHO SA 1455 E100 BKN 180 OVC 70 125/32/18/2507/990/ FEW BINOVC W-NNW FEW SC OFFSHR DSNT NE-SE VIRGA E-S-SW SUN DMLY VSBL/ 8/517 52006 1 P.M. Weather: Overcast altocumulus, few thin spots in overcast overhead, few stratocumulus offshore distant E-SE and distant W-NW Temperature: 35F, Dew point: 19F; Relative Humidity: 52% Wind: WSW @ 6 kts Sea-level pressure: 1010.9 mb; 29.85 in Hg; falling, then more slowly Visibility: 60 miles 6-hr Max temp: 36F 6-hr Min temp: 27F 6-hr Precip: 0.00 ins. 6-hr Snowfall: 0.0 ins. Snow Depth: 0 ins. BHO SA 1755 E65 OVC 60 109/35/19/2506/985/ FEW THN SPTS IOVC OVHD FEW SC OFFSHR DSNT E-SE AND DSNT W-NW VIRGA DSNT S-SW SUN DMLY VSBL/ 8/53/ 56016 10036 20027 SUMMARY FOR SATURDAY, NOVEMBER 27, 2021 TEMPERATURE (DEGREES F) MAX.......37     NORMAL.....46 MIN.......24     NORMAL.....30 MEAN......31     NORMAL.....38 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL...............  -7 TOTAL DEPARTURE FOR THE MONTH........................... +31 [+0.9 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022) TOTAL HEATING UNITS FOR YESTERDAY...............34  DEPARTURE........+7 TOTAL HEATING UNITS FOR THE MONTH..............578  DEPARTURE.......-32 TOTAL HEATING UNITS FOR THE SEASON.............905  DEPARTURE......-216 TOTAL HEATING UNITS LAST SEASON TO DATE........916  DEPARTURE...... -11 PEAK WIND GUST (MPH):                      Official (1-Sec AVG).......47 WNW @  3:50 A.M.                      AEROVANE...................45 WNW @  3:52 A.M.                      VECTOR #2 (Instantaneous)..50     @  3:50 A.M.                      DAVIS #2 ..................41 NW  @  3:51 A.M.                      RMY #2 (Instantaneous).....48 WNW @  3:50 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..................32 WNW @  3:50 A.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............30     @ 12:46 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............30 WNW @ 12:47 P.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE.................29 WNW @ 12:46 P.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.......17.9 WNW  [429 total miles]                      VECTOR #2.................18.4                      DAVIS #2..................18.4 WNW                      RMY #2....................18.2 WNW                      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.......0.00  DEPARTURE.....-0.15 TOTAL PRECIPITATION FOR THE MONTH.............1.92  DEPARTURE.....-1.92 TOTAL PRECIPITATION FOR THE YEAR.............56.77  DEPARTURE.....+9.03 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M.............0.0  DEPARTURE......-0.1 TOTAL SNOWFALL FOR THE MONTH...................1.0  DEPARTURE......-0.4 TOTAL SNOWFALL FOR THE SEASON (2021-2022)......1.0  DEPARTURE......-1.1 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   The low since midnight is 24F, 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 28 HIGH 70 IN 1990 LOW 10 IN 1901,1930,1936 PRECIP 1.84 INCHES IN 1889 SNOWFALL 3.0 INS IN 1917 PEAK GUST 90 SSW IN 1958 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 TODAY'S REPORT PREPARED BY: Matt Douglas