BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION   FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, NOVEMBER 20, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME A CLOUDY, FOGGY, AND RAINY STREAK CONTINUES... Mist and light rain is today's theme yet again, with it being the 4th consecutive day of precipitation. We recorded 0.07" of rain at 7 AM, bringing our 24hr total to 0.17". Visibility has held at around a 1/16th mile throughout most of the day increasing to 25 miles at the 1 PM observation. Winds have increased out of the north with a max daily gust so far of 18 MPH. Yesterday however, the peak gust clocked in at only 12 MPH. The average daily speed was only 2.8 MPH!   Rain began mixing with snow at around 12:35 PM, but no accumulation observed at 1 PM observation with only a trace. The high so far today is 37F, which is 12 degrees below the daily normal maximum of 49F. The low since midnight is 37F, which is 5 degrees above the normal minimum of 32F.   Today's Observations: 7 A.M. Weather: Vertical visibility 300 feet, sky obscured, light drizzle and fog Temperature: 37F; Dew Point: 37F; Wind: N at 9 kts Sea-level pressure: 29.86 ins. Hg, rising, then falling Visibility: 1/16 mile, fog 6-hr Max temp: 37F 6-hr Min temp: 37F 24-hr Precip:  0.17 ins. 24-hr Snowfall: 0.0 ins. BHO SA 1155 W3 X 1/16L-F 112/37/37/3509/986/ L-CTD/ 8//// 51008 6007/ 70017 10037 20037 10 A.M. Weather: Vertical visibility 300 feet, sky obscured, light drizzle and fog Temperature: 37F; Dew Point: 37F; Wind: N at 8G14 kts, Sea-level pressure: 29.90 ins. Hg, rising, then falling Visibility: 1/16 mile, fog 3-hr Precip: 0.02 ins. BHO SA 1455 W3 X 1/16L-F 125/37/37/0108G14/990/ L-CTD/ 8//// 51013 6002/ 1 P.M. Weather: Overcast Stratus, light drizzle and light snow Temperature: 35F; Dew Point: 35F; Wind: N at 8 kts Sea-level pressure: 29.89 ins. Hg, falling, then rising Visibility: 25 miles, fog Snow: Trace (beginning at 12:35 PM) 6-hr Max temp: 37F 6-hr Min temp: 35F 3-hr Precip: 0.03 ins. BHO SA 1755 E12 OVC 25L-S- 121/35/35/3508/989/ L-CTD S-B35/ 8/6// 55004 6003/ 10037 20035 SUMMARY FOR TUESDAY, NOVEMBER 19, 2019 TEMPERATURE (DEGREES F) MAX.....42   NORMAL.....49 MIN.....36   NORMAL.....33 MEAN....39   NORMAL.....41 DEPARTURE FROM 30-YEAR NORMAL................... -2 TOTAL DEPARTURE FOR THE MONTH...................-91 [-5.0 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............26  DEPARTURE........+2 TOTAL HEATING UNITS FOR THE MONTH..............512  DEPARTURE.......+105 TOTAL HEATING UNITS FOR THE SEASON.............952  DEPARTURE........-18 TOTAL HEATING UNITS LAST SEASON TO DATE........966  DEPARTURE........-14 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................12 SSW AT 12:30 A.M.                      AERO..........................9 NNW AT  3:27 A.M                      ASOS.........................12 N   AT  1:10 A.M.                    DAVIS........................11 N   AT  1:04 A.M. RMY N/A FASTEST MILE FOR YESTERDAY.......................8 N   AT 11:03 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE....................9 N   AT 10:58 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE...................9 NNE AT 10:52 P.M. AVERAGE WIND SPEED AND DIRECTION...............2.8 S                                      ASOS........................3.4                      DAVIS.......................3.5 NNW [347 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.17  DEPARTURE......+0.01                          ASOS..............0.20 TOTAL PRECIPITATION FOR THE MONTH..........1.54  DEPARTURE......-1.45                          ASOS..............1.57 TOTAL PRECIPITATION FOR THE YEAR..........46.88  DEPARTURE......+0.11                          ASOS.............47.04 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.0  DEPARTURE....... 0.0 TOTAL SNOWFALL FOR THE MONTH................0.1  DEPARTURE.......-0.7 TOTAL SNOWFALL FOR THE SEASON...............0.1  DEPARTURE.......-0.9 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  67/35/51/+5/..../0.0/.../..            67 S   AERO M  M   RMY N/A 11/02  50/31/41/-5/0.00/0.0/.../..            17 WNW AERO 14 W   RMY N/A 11/03  53/35/44/-2/0.00/0.0/.../..            25 WSW AERO 23 W   RMY 26 11/04  53/33/43/-2/0.00/0.0/.../..            24 S   AERO 20 S   RMY 24 11/05  54/44/49/+4/0.33/0.0/.../..            22 S   AERO 18 WNW RMY 28 11/06  51/36/44/-1/0.00/0.0/.../..            28 WSW AERO 23 W   RMY 27 11/07  55/38/47/+2/0.27/0.0/.../..            30 S   AERO 26 SSW RMY 32 11/08  38/23/31/-13/0.00/0.0/.../..           38 NW  AERO 37 WNW RMY 44   11/09  39/20/30/-14/0.00/0.0/.../..           22 S   AERO 18 S   RMY N/A 11/10  51/30/41/-3/0.00/0.0/.../..            30 SW  AERO 30 SW  RMY 31 11/11  52/39/46/+3/T/0.0/.../..               23 NE  AERO 22 NE  RMY 23 11/12  42/20/31/-12/0.08/0.1/.../..           37 WNW AERO 37 WNW RMY 41 11/13  28/15/22/-21/0.00/0.0/.../..           32 WNW AERO 32 WNW RMY 35 11/14  36/17/28/-14/0.00/0.0/.../..           18 SW  AERO 17 SW  RMY 20 11/15  51/32/42/0/0.00/0.0/.../..             25 WNW AERO 25 WNW RMY N/A 11/16  35/22/29/-13/0.00/0.0/.../..           35 NNW AERO 35 NNW RMY N/A 11/17  40/21/31/-10/T/T/.../..                28 ENE AERO 27 ENE RMY 29 11/18  36/32/34/-7/..../0.0/.../..            28 NNE AERO 29 N   RMY 31 11/19  42/36/39/-2/.../0.0/.../..             12 SSW AERO  9 NNW RMY N/A 11/20 The low since midnight is 37F, daily normal minimum is 32F DAILY RECORDS FOR NOVEMBER 11/13/19: DAILY RECORD LOW MAXIMUM TEMPERATURE OF 28F,           BREAKS PREVIOUS RECORD OF 30F SET IN 1920.           It was also the third earliest maximum temperature           colder than 30F on record, behind only 28F on 11/8/1894           and 29F on 11/12/1894. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR NOVEMBER 19 HIGH 72 IN 1941 LOW 10 IN 1936 PRECIP 1.92 INCHES IN 1926 SNOWFALL 11.0 INS IN 1986 PEAK GUST 59e E IN 1945 RECORDS FOR NOVEMBER 20 HIGH 72 IN 1953 LOW 10 IN 1894 PRECIP 2.78 INS IN 1988 SNOWFALL 3.0 INS IN 1897 PEAK GUST 73e S IN 1950 TODAY'S REPORT PREPARED BY: Andrew Swanson