BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, JANUARY 1, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME WARM TEMPERATURES AND STRONG WINDS START OFF THE NEW YEAR... This morning, an exceptionally high temperature of 54F was recorded during the 10 A.M. observation.  While this value approached the daily record high of 58F, reaching this looks unlikely to happen, as winds shifting northwesterly this morning have begun to shuttle in cold air from the north.  Despite clearing skies, elevated wind speeds continue to enforce advective cooling throughout the region, with temperatures slowly declining since the 10 A.M. observation.  So far today, peak gusts of up to 53 MPH have been recorded. Pressure readings began the day with significantly low readings in the wake of last night's storm, with a station pressure of 974.9 MB recorded at 7 A.M., with the corresponding sea level pressure clocking in at 999.0 MB. Since then, pressure has been on the rise, helping to produce clear skies and excellent visibility for the afternoon hours. Rainfall totaling 0.81 inches was recorded at 7 A.M. this morning, ending 2018 and beginning 2019 with a substantial precipitation event.   Today's Observations: 7 A.M. Weather: Broken stratocumulus, scattered altocumulus Temperature: 50F; Dew Point: 49F; Wind: WSW at 19G30 kts Peak Wind: SW 37 MPH (32 KTS) at 6:08 A.M.     Sea-level pressure: 29.50 ins. Hg, falling quickly, then more slowly       Visibility: 35 miles  6-hr Max temp: 50F 6-hr Min temp: 37F 24-hr Precip: 0.81 ins. 24-hr snowfall: Trace Snow depth: 0 ins.  BHO SA 1155 E35 BKN 200 BKN 35 990/50/49/2419G30/950/ PK WND 2332/08// 857// 70081 56025 20050 10037  10 A.M. Weather: Broken stratocumulus, scattered altocumulus Temperature: 54F; Dew Point: 47F; Wind: W at 21G30 kts Peak Wind: SW 35 MPH (30 KTS) at 9:02 A.M.   Sea-level pressure: 29.54 ins. Hg, increasing, then more slowly Visibility: 65 miles 3-hr Precip: 0.00 ins.  BHO SA 1455 E35 BKN 200 BKN 65 003/54/47/2721G30/954/ PK WND 2630/02// 857// 51013 1 P.M. Weather: Few cumulus, few altocumulus Temperature: 50F; Dew Point: 34F; Wind: WNW at 21G39 kts Peak Wind: WNW 46 MPH (40 KTS) at 12:01 P.M.     Sea-level pressure: 29.65 ins. Hg, steady, then rising more quickly       Visibility: 65 miles  6-hr Max temp: 54F 6-hr Min temp: 50F 6-hr Precip: 0.00 ins. 6-hr snowfall: 0.0 ins.   Snow depth: 0 ins. BHO SA 1755 CLR 65 040/50/34/2921G39/965/ FEW CU FEW AC PK WND 2940/01// 8150/ 53037 10054 20050 SUMMARY FOR MONDAY, DECEMBER 31, 2018  TEMPERATURE (DEGREES F) MAX.....41   NORMAL.....35 MIN.....28   NORMAL.....19 MEAN....35   NORMAL.....27 DEPARTURE FROM 30-YEAR NORMAL........................+8 TOTAL DEPARTURE FOR THE MONTH.......................+66 [+1.9 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............30   DEPARTURE.........-8 TOTAL HEATING UNITS FOR THE MONTH.............976   DEPARTURE........-67 TOTAL HEATING UNITS FOR THE SEASON...........2295   DEPARTURE........-10 TOTAL HEATING UNITS LAST SEASON TO DATE......2122   DIFFERENCE......+173 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY....................33 SSE AT 10:47 P.M.                    AERO.........................32 SSE AT 10:46 P.M.                    ASOS.........................30 SSE AT 10:48 P.M.                     DAVIS........................35 SSE AT 10:45 P.M. RMY N/A FASTEST MILE FOR YESTERDAY......................25 SSE AT 10:40 P.M.  MAXIMUM 2-MINUTE ASOS AVERAGE...................23 SE  AT 10:48 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................26 SSE AT 10:48 P.M. AVERAGE WIND SPEED AND DIRECTION..............12.3 SW                    ASOS.......................12.3                    DAVIS......................12.2 SSW [202 deg.]    PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.81  DEPARTURE.......+0.66                          ASOS..............0.79 TOTAL PRECIPITATION FOR THE MONTH..........3.55  DEPARTURE.......-1.34                          ASOS..............4.22 * TOTAL PRECIPITATION FOR THE YEAR..........66.92  DEPARTURE......+13.69                          ASOS.............69.85 * * ASOS MONTHLY AND ANNUAL PRECIPITATION IS SUSPECT SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M........Trace  DEPARTURE........-0.6 TOTAL SNOWFALL FOR THE MONTH................0.1  DEPARTURE.......-13.3 TOTAL SNOWFALL FOR THE SEASON...............7.7  DEPARTURE........-8.3 PRELIMINARY CLIMATE SUMMARY FOR DECEMBER 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 12/01 41/28/35/-2/0.00/0.0/391/70          20 NNW AERO 18 NNW RMY N/A 12/02 52/35/44/+8/1.04/0.0/000/00          28 ESE AERO 25 ESE RMY 27 12/03 54/38/46/+10/0.00/0.0/178/32         35 W   AERO 35 W   RMY 38  12/04 38/23/31/-4/0.00/0.0/516/93          30 WNW AERO 31 WNW RMY 33 12/05 33/18/26/-9/0.00/0.0/432/78          16 NNW AERO 15 NNW RMY N/A 12/06 37/24/31/-4/0.00/0.0/354/64          29 W   AERO 28 W   RMY 30 12/07 37/21/29/-5/0.00/0.0/546/99          29 NW  AERO 29 NW  RMY 32 12/08 27/15/21/-13/0.00/0.0/518/94         28 NW  AERO 27 NW  RMY 29 12/09 34/17/26/-8/0.00/0.0/391/71          23 SSW AERO 21 SSW RMY 22 12/10 36/22/29/-4/0.00/0.0/544/99          24 NNW AERO 23 NNW RMY 22 12/11 36/17/27/-6/0.00/0.0/543/99          16 WSW AERO 14 WSW RMY N/A 12/12 35/18/27/-6/0.00/0.0/471/86          30 NW  AERO 29 NW  RMY M 12/13 31/16/24/-8/0.00/0.0/088/16          16 NNE AERO 12 SE  RMY N/A 12/14 46/28/37/+5/0.00/0.0/399/73          28 SSW AERO 28 SSW RMY 29 12/15 49/33/43/+11/0.04/0.0/000/00         28 NE  AERO 27 NE  RMY 30 12/16 40/37/39/+8/..../0.0/.../..          38 NE  AERO 38 NE  RMY 40 12/17 37/32/35/+4/..../0.0/.../..          39 NNE AERO 37 NNE RMY N/A 12/18 34/20/27/-4/0.02/0.1/.../..          48 NW  AERO 55 NW  RMY 48 12/19 38/17/28/-2/0.00/0.0/.../..          23 WNW AERO 23 WNW RMY N/A 12/20 47/30/39/+9/0.00/0.0/.../..          23 SW  AERO 22 SW  RMY N/A 12/21 62/43/53/+23/..../0.0/.../..         60 SSE AERO 62 SSE RMY 63 12/22 54/31/43/+14/..../0.0/.../..         41 W   AERO 45 W   RMY 43 12/23 38/27/33/+4/0.00/0.0/.../..          30 WNW AERO 32 WNW RMY N/A 12/24 34/27/31/+2/0.01/T/.../..            21 W   AERO 21 W   RMY N/A 12/25 35/23/29/+1/0.00/0.0/.../..          28 NW  AERO 28 NW  RMY 29 12/26 36/20/28/0/0.00/0.0/.../..           24 NW  AERO 24 NW  RMY 25 12/27 35/26/31/+3/0.00/0.0/.../..          23 NW  AERO 22 NW  RMY N/A 12/28 54/30/42/+14/..../0.0/.../.. 44 SSW AERO M  M   RMY 47 12/29 54/30/42/+15/..../.../.../..         38 WNW AERO 38 WNW RMY 38 12/30 33/23/28/+1/0.00/0.0/.../..          24 NNW AERO 21 NNW RMY 17 12/31 41/28/35/+8/..../.../.../..          33 SSE AERO 32 SSE RMY N/A 01/01 Low temp since midnight is 35F; normal low is 19F DAILY RECORDS FOR DECEMBER 2018 12/21/18: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 62F,           BREAKS PREVIOUS RECORD OF 60F SET IN 1957 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JANUARY 1 HIGH 58F IN 1966 LOW -6F IN 1918 PRECIP 1.45 INS. IN 1982 SNOWFALL 7.2 INS. IN 1938 PEAK GUST 90e MPH S IN 1945 RECORDS FOR JANUARY 2 HIGH 62F IN 1890 LOW -7F IN 1899,1918 PRECIP 2.10 INS. IN 1987 SNOWFALL 9.0 INS. IN 1904 PEAK GUST 85e MPH S IN 1942 TODAY'S REPORT PREPARED BY: Nate Iannuccillo