BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, NOVEMBER 15, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0635E SUNSET:  1622E MIX OF SUN AND CLOUDS WITH A CHILLY BREEZE.... Another weak disturbance passed through the region overnight bringing with it some showers and even some wet snow for some across interior high elevation areas. This system deposited 0.10" of rain in our gauge here at Blue Hill. In its wake, a mix of sun and clouds have been the theme today with cool temperatures mainly hanging in the mid-upper 40s here on the summit, but reaching the low 50s down below. The wind has gotten busy as the early afternoon progresses out of the west-northwest. Speeds have increased from around 7-8 mph this morning to 15 mph early this afternoon. A peak gust of 29 mph has been measured so far.   Dew points are starting to drop off as mixing from aloft increases, from the mid 30s early this morning to the low 30s so far early this afternoon. Visibility has gradually been increasing, from 15 miles early this morning in thin fog to 60 miles early this afternoon.   The high so far today is 47F, 3 degrees below the normal max of 50F. The low since midnight is 36F, 2 degrees above the normal low of 34F. -------------------------------------------------------------- Today's Observations: 7 A.M. Weather: Scattered stratus fractus, scattered cirrostratus, stratus fractus occasionally drifting over summit, few stratocumulus distant all quadrants Temperature: 36F; Dew Point: 36F; Relative Humidity: 100% Wind: W @ 7 kts Sea-level pressure: 1005.5 mb; 29.69 in. Hg: falling, then steady Visibility: 15 miles, thin fog 6-hr Max temp: 42F 6-hr Min temp: 36F 24-hr Precip: 0.10 ins. BHO SA 1155 1 SCT 180 SCT 15 055/36/36/2607/969/ STFRA OCNLY DRFTG OVR SMT FEW SC DSNT ALQDS THN F ALQDS/ 8/708 56010 6006/ 70010 10042 20036 10 A.M. Weather: Scattered stratocumulus Temperature: 40F; Dew Point: 36F; Relative Humidity: 85% Wind: WSW @ 7G14 kts Sea-level pressure: 1005.4 mb; 29.69 in Hg; steady, then falling Visibility: 40 miles, thin fog 3-hr Precip: 0.00 ins. BHO SA 1455 20 SCT 40 054/40/36/2507G14/969/ THN F ALQDS/ 8/500 58001 1 P.M. Weather: Broken stratocumulus, broken altocumulus Temperature: 46F, Dew point: 32F; Relative Humidity: 57% Wind: WNW @ 13G24 kts Sea-level pressure: 1004.6 mb; 29.67 in Hg; rising, then falling Visibility: 60 miles 6-hr Max temp: 47F 6-hr Min temp: 36F 6-hr Precip: 0.00 ins. BHO SA 1755 E40 BKN 100 BKN 60 046/46/32/2913G24/967/ 8/570 58008 10047 20036 SUMMARY FOR SUNDAY, NOVEMBER 14, 2021 TEMPERATURE (DEGREES F) MAX.......47     NORMAL.....51 MIN.......33     NORMAL.....34 MEAN......40     NORMAL.....42 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL...............  -2 TOTAL DEPARTURE FOR THE MONTH........................... +32 [+2.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022) TOTAL HEATING UNITS FOR YESTERDAY...............25  DEPARTURE........+2 TOTAL HEATING UNITS FOR THE MONTH..............252  DEPARTURE.......-34 TOTAL HEATING UNITS FOR THE SEASON.............579  DEPARTURE......-218 TOTAL HEATING UNITS LAST SEASON TO DATE........622  DEPARTURE...... -43 PEAK WIND GUST (MPH):                      Official (1-Sec AVG).......29 W   @ 12:17 A.M.                      AEROVANE...................28 W   @ 12:11 A.M.                      VECTOR #2 (Instantaneous)..30     @  1:10 A.M.                      DAVIS #2 ..................28 W   @  1:11 A.M.                      RMY #2 (Instantaneous).....28 W   @  1:10 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..................20 W   @ 12:24 A.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............20     @ 12:22 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............20 W   @ 12:22 A.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE.................19 W   @ 12:22 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....... 10.0 WSW [240 total miles]                      VECTOR #2................. 10.7                      DAVIS #2.................. 10.8 WSW                      RMY #2.................... 10.7 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.......0.10  DEPARTURE.....-0.03 TOTAL PRECIPITATION FOR THE MONTH.............1.42  DEPARTURE.....-0.61 TOTAL PRECIPITATION FOR THE YEAR.............56.27  DEPARTURE....+10.34 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M.............0.0  DEPARTURE...... 0.0 TOTAL SNOWFALL FOR THE MONTH...................0.0  DEPARTURE......-0.5 TOTAL SNOWFALL FOR THE SEASON (2021-2022)......0.0  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/.../..      38 WNW AERO 39 WNW RMY 39 11/02   56/40/48/+1/0.00/0.0/.../..      25 SW  AERO 25 SW  RMY 26 11/03   51/35/43/-3/0.00/0.0/.../..      28 W   AERO 25 W   RMY 27     11/04   49/31/40/-6/0.00/0.0/.../..      17 NNE AERO 17 NNW RMY 16 11/05   49/32/41/-5/0.00/0.0/.../..      25 NW  AERO 24 NW  RMY 24 11/06   51/34/43/-2/0.00/0.0/.../..      18 SSW AERO 17 SW  RMY 19 11/07   55/37/46/+1/0.00/0.0/.../..      17 W   AERO 17 W   RMY 16 11/08   60/38/49/+4/0.00/0.0/.../..      20 N   AERO 18 N   RMY 19 11/09   69/45/57/+13/0.00/0.0/.../..     21 W   AERO 21 W   RMY 22 11/10   60/44/52/+8/0.00/0.0/.../..      36 NW  AERO 35 NW  RMY 35 11/11   56/40/48/+5/0.00/0.0/.../..      26 SE  AERO 28 SE  RMY 27 11/12   61/45/53/+10/1.00/0.0/.../..     72 SSE AERO 78 SSE RMY 76 11/13   60/36/48/+5/0.32/0.0/.../..      53 SW  AERO 53 SW  RMY 54 11/14   47/33/40/-2/0.03/0.0/.../..      29 W   AERO 28 W   RMY 28 11/15  The low since midnight is 36F, the daily normal low is 34F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR NOVEMBER 15 HIGH 74 IN 1993 LOW 15 IN 1933 PRECIP 1.66 INCHES IN 1981 SNOWFALL 6.5 IN 2018 PEAK GUST 65 SSE IN 2008 RECORDS FOR NOVEMBER 16 HIGH 73 IN 1927 LOW 8 IN 1933 PRECIP 2.25 INCHES IN 1981 SNOWFALL 2.0 IN 1913 PEAK GUST 78 S IN 1989 TODAY'S REPORT PREPARED BY: Matt Douglas