BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, NOVEMBER 29, 2018  ALL TIMES ARE IN EASTERN STANDARD TIME A BREEZY AND COOL FALL DAY WITH GREAT VISIBILITY ATOP GREAT BLUE HILL.... Visibility increased from 70 to 85 miles from 7 A.M.  to 10 A.M. Winds have remained northwesterly and  strong for most of the day, averaging over 20 mph at 1 P.M. The highest wind so far today is 41 mph at  12:10 P.M. Skies have become overcast since this  morning. Humidity decreased from 78% to 59% between 7 A.M. and 1 P.M. The high temperature reached so far  today is 43F, 2 degrees below the daily normal of 45F.  The low since midnight is 33F, 4 degrees above the  normal minimum of 29F.   BHO Wettest Novembers, inches (1886-2018): 1) 10.32 in 2018 (through 7 AM on 11/29)  2) 9.78 in 1983 3) 9.29 in 1945 4) 9.17 in 1972 5) 8.95 in 1895 6) 8.93 in 1988 7) 8.79 in 1963   BHO Wettest Falls (Sep-Nov), inches (1886-2018): 1) 25.42 in 2018 (through 7 AM on 11/29) 2) 23.18 in 2005 3) 23.13 in 1996 4) 22.47 in 1888 5) 20.65 in 2011 6) 20.64 in 1932 7) 20.08 in 1962      Today's Observations: 7 A.M. Weather: Scattered cirrostratus, few cumulus in all directions Temperature: 34F; Dew Point: 28F; Wind: NW at 14G21 kts, Peak wind: 30 mph (26 kts) NW at 6:42 A.M.    Sea-level pressure: 29.68 ins. Hg, rising rapidly         Visibility: 40 miles 6-hr Max temp: 34F 6-hr Min temp: 28F 24-hr Precip: 0.00 ins. 24-hr snowfall: 0.0 ins. Snow depth: 0 ins.    BHO SA 1155 250 SCT 40 051/34/28/3214G21/968/ FEW CU ALQDS  PK WND 3226/42/ 8/105 53029 10034 20033  10 A.M. Weather: Scattered cumulus, broken cirrus  Temperature: 41F; Dew Point: 28F; Wind: NW at 18G25 kts, Peak wind: 36 mph (31 kts) NW at 9:13 A.M.     Sea-level pressure: 29.72 ins. Hg, rising steadily Visibility: 85 miles 3-hr Precip: 0.00 ins.  3-hr snowfall: 0.0 ins.  BHO SA 1455 40 SCT E250 BKN 85 065/41/28/3218G25/972/  PK WND 3231/13/ 8/102 52014  1 P.M. Weather: Scattered altocumulus, broken cirrus, few cumulus in all directions     Temperature: 40F; Dew Point: 27F; Wind: NW at 22G32 kts, Peak wind: 41 mph (36 kts) NW at 12:10 P.M.    Sea-level pressure: 29.72 ins. Hg, steady        Visibility: 85 miles 6-hr Max temp: 43F 6-hr Min temp: 34F 6-hr Precip: 0.00 ins. 6-hr snowfall: 0.0 ins. Snow depth: 0 ins.    BHO SA 1755 180 SCT E250 BKN 85 065/40/27/3222G32/972/  FEW CU ALQDS PK WND 3236/10/ 8/162 50000 10043 20034    SUMMARY FOR WEDNESDAY, NOVEMBER 28, 2018  TEMPERATURE (DEGREES F) MAX.....39   NORMAL.....45 MIN.....31   NORMAL.....30 MEAN....35   NORMAL.....38 DEPARTURE FROM 30-YEAR NORMAL........................-3 TOTAL DEPARTURE FOR THE MONTH.......................-75 [-2.9 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............30   DEPARTURE.........+3 TOTAL HEATING UNITS FOR THE MONTH.............716   DEPARTURE........+74 TOTAL HEATING UNITS FOR THE SEASON...........1260   DEPARTURE........+55 TOTAL HEATING UNITS LAST SEASON TO DATE.......920   DIFFERENCE......+340 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY....................37 WNW AT  4:30 P.M.                    AERO.........................41 WNW AT  4:30 P.M.                     ASOS.........................40 NW  AT  4:31 P.M.                     DAVIS........................39 NW  AT  4:31 P.M. RMY 42 FASTEST MILE FOR YESTERDAY......................25 WNW AT  4:32 P.M.  MAXIMUM 2-MINUTE ASOS AVERAGE...................24 NW  AT  4:32 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................26 NW  AT  4:31 P.M. AVERAGE WIND SPEED AND DIRECTION..............15.1 WNW                    ASOS.......................14.3                    DAVIS......................15.4 WNW [295 deg.]    PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE.......-0.17                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH.........10.32  DEPARTURE.......+5.89                          ASOS.............10.76 TOTAL PRECIPITATION FOR THE YEAR..........63.37  DEPARTURE......+15.35                          ASOS.............65.63 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE........-0.2 TOTAL SNOWFALL FOR THE MONTH................7.6  DEPARTURE........+5.6 TOTAL SNOWFALL FOR THE SEASON...............7.6  DEPARTURE........+5.3 PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/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 65/49/57/+11/..../006/01         25 SSW AERO 24 SSW RMY N/A 11/02 65/52/59/+13/..../000/00         37 SSW AERO 41 SSW RMY N/A 11/03 64/42/53/+7/..../144/24          59 W   AERO 60 W   RMY 58 11/04 52/37/45/0/..../570/96           31 W   AERO 30 W   RMY N/A 11/05 49/40/45/0/..../000/00           30 ENE AERO 29 ENE RMY 28 11/06 58/45/52/+7/..../000/00          29 SSW AERO 29 SSW RMY 31 11/07 60/50/55/+10/..../456/98         30 WSW AERO 30 WSW RMY 32 11/08 52/37/45/+1/..../234/78          29 WNW AERO 26 WNW RMY 23 11/09 48/34/41/-3/..../000/00          43 E   AERO 40 E   RMY 42 11/10 45/32/39/-5/..../576/100         45 W   AERO 47 WNW RMY 46 11/11 43/30/37/-6/0.00/462/80          32 WNW AERO 30 W   RMY 32 11/12 48/27/38/-5/0.00/000/00          18 SW  AERO 18 SW  RMY N/A 11/13 52/37/45/+2/..../458/80          44 WNW AERO 44 WNW RMY 48 11/14 37/20/29/-13/..../000/00         45 WNW AERO 50 WNW RMY 50 11/15 30/19/25/-17/..../.../..         33 E   AERO 36 E   RMY N/A 11/16 41/30/36/-6/..../.../..          43 E   AERO 44 ENE RMY N/A 11/17 45/34/40/-1/0.00/.../..          28 W   AERO 27 W   RMY 28 11/18 40/30/35/-6/0.00/.../..          21 W   AERO 21 W   RMY M 11/19 38/33/36/-5/..../.../..          16 E   AERO 14 E   RMY N/A 11/20 38/31/35/-5/..../.../..          30 NE  AERO 30 NE  RMY N/A 11/21 39/20/30/-10/..../.../..         40 WNW AERO 46 WNW RMY 47 11/22 20/09/15/-25/..../.../..         36 NW  AERO 41 NW  RMY 42 11/23 30/09/20/-19/0.00/.../..         25 SW  AERO 25 SW  RMY 27 11/24 43/24/34/-5/..../.../..          27 SW  AERO 27 ESE RMY N/A 11/25 43/40/42/+3/..../.../..          39 ENE AERO 39 ENE RMY 39 11/26 44/39/42/+4/..../.../..          45 E   AERO 44 E   RMY 45 11/27 45/33/39/+1/..../.../..          44 ENE AERO 44 ENE RMY N/A 11/28 39/31/35/-3/..../.../..          37 WNW AERO 41 WNW RMY 42 11/29 Low temp since midnight is 31F; normal low is 29F DAILY RECORDS FOR NOVEMBER 2017 11/22/18: DAILY RECORD LOW MAXIMUM TEMPERATURE OF 20F,           BREAKS PREVIOUS RECORD OF 26F SET IN 1972 AND 2008 11/22/18: DAILY RECORD LOW MINIMUM TEMPERATURE OF 9F,           BREAKS PREVIOUS RECORD OF 12F SET IN 1987 11/23/18: DAILY RECORD LOW MINIMUM TEMPERATURE OF 9F,           TIES PREVIOUS RECORD OF 9F SET IN 1888 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 6.0 INS IN 2012 PEAK GUST 86 SSE IN 1963 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 TODAY'S REPORT PREPARED BY: Benjamin Turner