BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA TUESDAY, NOVEMBER 23, 2021 ALL TIMES ARE IN EASTERN STANDARD TIME SUNRISE: 0645E SUNSET:  1616E COLDEST DAY OF THE SEASON THUS FAR TODAY DESPITE PLENTY OF SUNSHINE.... Some morning clouds have given way to mainly clear skies early this afternoon, however the abundance of sunshine isn't helping the temperature rise very much as the coldest air mass of this early season sits over the region. We started the day down in the mid-upper 20s, and have only recovered to the upper 30s as of early this afternoon. The dew point is quite low, dropping from the upper teens this morning to the low-mid teens early this afternoon. This is quite indicative of the cold and dry air mass in place. There has been a bit of a breeze today to go along with the cold temperatures, helping to hold wind chill values in the upper 20s to low 30s. Wind speeds have been averaging around 12mph today with a peak gust to 31mph thus far. Visibility is of course excellent today with the super dry air. We're able to easily see 80 miles. Mount Monadnock, which is 67 miles NW of Blue Hill, is coming in nice and clear today!   The high so far today is 37F, 10 degrees below the normal max of 47F. The low since midnight is 27F, 5 degrees below the normal low of 32F. -------------------------------------------------------------- Today's Observations: 7 A.M. Weather: Thin broken cirrus, few stratocumulus offshore distant NE-SE and distant W-NW Temperature: 27F; Dew Point: 19F; Relative Humidity: 72% Wind: NNW @ 9G17 kts Sea-level pressure: 1011.6 mb; 29.87 in. Hg: falling, then rising Visibility: 70 miles 6-hr Max temp: 32F 6-hr Min temp: 27F 24-hr Precip: 0.06 ins. BHO SA 1155 E250 -BKN 70 116/27/19/3309G17/987/ FEW SC OFFSHR DSNT NE-SE AND DSNT W-NW/ 8/501 53008 70006 10032 20027 10 A.M. Weather: Broken cirrocumulus, thin broken cirrus, few stratocumulus distant all quadrants   Temperature: 32F; Dew Point: 18F; Relative Humidity: 56% Wind: NNW @ 12G23 kts, peak wind NNW 30 mph at 9:06 A.M. Sea-level pressure: 1012.1 mb; 29.89 in Hg; rising, then more slowly Visibility: 80 miles 3-hr Precip: 0.00 ins. BHO SA 1455 E200 BKN 250 -BKN 80 121/32/18/3412G23/989/ FEW SC DSNT ALQDS PK WND 3326/06/ 8/506 51005 1 P.M. Weather: Clear, few stratocumulus distant all quadrants, few cirrus distant NNE-SE Temperature: 36F, Dew point: 14F; Relative Humidity: 40% Wind: NNW @ 12G26 kts, peak wind NNW 30 mph at 12:54 A.M. Sea-level pressure: 1011.7 mb; 29.88 in Hg; falling, then more slowly Visibility: 80 miles 6-hr Max temp: 37F 6-hr Min temp: 27F 6-hr Precip: 0.00 ins. BHO SA 1755 CLR 80 117/36/14/3312G26/988/ FEW SC DSNT ALQDS FEW CI DSNT NNE-SE PK WND 3326/54/ 8/501 56004 10037 20027 SUMMARY FOR MONDAY, NOVEMBER 22, 2021 TEMPERATURE (DEGREES F) MAX.......55     NORMAL.....48 MIN.......33     NORMAL.....32 MEAN......44     NORMAL.....40 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL...............  +4 TOTAL DEPARTURE FOR THE MONTH........................... +51 [+2.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022) TOTAL HEATING UNITS FOR YESTERDAY...............21  DEPARTURE........-4 TOTAL HEATING UNITS FOR THE MONTH..............426  DEPARTURE.......-52 TOTAL HEATING UNITS FOR THE SEASON.............753  DEPARTURE......-237 TOTAL HEATING UNITS LAST SEASON TO DATE........811  DEPARTURE...... -58 PEAK WIND GUST (MPH):                      Official (1-Sec AVG).......41 WSW @  5:48 A.M.                      AEROVANE...................41 WSW @  5:48 A.M.                      VECTOR #2 (Instantaneous)..43     @  5:48 A.M.                      DAVIS #2 ..................41 S   @  4:40 A.M.                      RMY #2 (Instantaneous).....42 WSW @  5:48 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..................29 S   @ 12:22 A.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE..............29     @  4:14 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE...............30 S   @ 12:28 A.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE.................29 SSW @  4:14 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.......14.1 WNW  [338 total miles]                      VECTOR #2.................14.5                      DAVIS #2..................14.7 W                      RMY #2....................14.4 W                      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.......0.06  DEPARTURE.....-0.08 TOTAL PRECIPITATION FOR THE MONTH.............1.80  DEPARTURE.....-1.31 TOTAL PRECIPITATION FOR THE YEAR.............56.65  DEPARTURE.....+9.64 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M.............0.0  DEPARTURE......-0.1 TOTAL SNOWFALL FOR THE MONTH...................0.0  DEPARTURE......-0.9 TOTAL SNOWFALL FOR THE SEASON (2021-2022)......0.0  DEPARTURE......-1.6 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   The low since midnight is 27F, the daily normal low is 32F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR NOVEMBER 23 HIGH 73 IN 1931 LOW 9 IN 1888, 2018 PRECIP 2.33 INS IN 2006 SNOWFALL 5.5 INS IN 1989 PEAK GUST 64e S IN 1953 RECORDS FOR NOVEMBER 24 HIGH 69 IN 1931 LOW 7 IN 1897 PRECIP 1.76 INCHES IN 1901 SNOWFALL 4.5 INS IN 1936 PEAK GUST 69 SSW IN 1959 TODAY'S REPORT PREPARED BY: Matt Douglas