BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, NOVEMBER 25, 2018  ALL TIMES ARE IN EASTERN STANDARD TIME FOGGY DAY WITH ON AND OFF PRECIPITATION AND NORTH- WESTERLY WIND... Fog has stayed in the area throughout the day today, with a maximum visibility observed of 5 miles. Rain was steady early this morning decreasing to a light drizzle before the afternoon. So far today we reached a maximum temperature  of 43F at 8 A.M., 4 degrees below our normal maximum temperature of 47F. The temperature has been dropping since 8 o'clock, with a current temperature of 42F at the 1 o'clock observation. This is likely due to a persistent wind coming from the northwest.   Today's Observations: 7 A.M. Weather: Fog, light drizzle Temperature: 43F; Dew Point: 43F; Wind: ENE at 20G36 kts Peak wind: 29 knots ENE at 6:55 A.M.   Sea-level pressure: 29.68 ins. Hg, falling then more quickly       Visibility: 1/2 mile, fog 6-hr Max temp: 43F 6-hr Min temp: 41F 24-hr Precip: 0.87 ins. 24-hr snowfall: 0.0 ins. Snow depth: 0 ins.    BHO SA 1155 X 1/2L-F 051/43/43/0720G36/968/ PK WND 0729/55/  8//// 70087 58027 10043 20041 10 A.M. Weather: Fog Temperature: 42F; Dew Point: 42F; Wind: NNW at 6 kts,    Sea-level pressure: 29.76 ins. Hg, rising, then more quickly Visibility: 1/16 mile, visibility obstructed by fog 3-hr Precip: 0.03 ins.  3-hr snowfall: 0.0 ins.  BHO SA 1455 W3 X 1/16F 077/42/42/3406/976/ WND LGT/ 8////  6003/ 53026 1 P.M. Weather: Overcast stratus, fog  Temperature: 42F; Dew Point: 42F; Wind: NNW at 6 kts   Sea-level pressure: 29.79 ins. Hg, rising unsteadily       Visibility: 5 miles, visibility obstructed by fog 6-hr Max temp: 43F 6-hr Min temp: 41F 6-hr Precip: 0.07 ins. 6-hr snowfall: 0.0 ins. Snow depth: 0 ins.    BHO SA 1755 E6 OVC 5F 089/42/42/3406/979/ WND LGT/  8/6// 6007/ 53012 10043 20041   SUMMARY FOR SATURDAY, NOVEMBER 24, 2018  TEMPERATURE (DEGREES F) MAX.....43   NORMAL.....47 MIN.....24   NORMAL.....31 MEAN....34   NORMAL.....39 DEPARTURE FROM 30-YEAR NORMAL........................-5 TOTAL DEPARTURE FOR THE MONTH.......................-80 [-3.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............31   DEPARTURE.........+5 TOTAL HEATING UNITS FOR THE MONTH.............614   DEPARTURE........+80 TOTAL HEATING UNITS FOR THE SEASON...........1158   DEPARTURE........+61 TOTAL HEATING UNITS LAST SEASON TO DATE.......814   DIFFERENCE......+344 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY....................27  SW AT  5:08 A.M.                    AERO.........................27 ESE AT  8:58 P.M.                     ASOS.........................27  SW AT  5:09 A.M.                     DAVIS........................27 WSW AT  1:03 A.M. RMY N/A FASTEST MILE FOR YESTERDAY......................22 ESE AT  9:01 P.M.  MAXIMUM 2-MINUTE ASOS AVERAGE...................21 ESE AT  9:10 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................22 ESE AT  8:59 P.M. AVERAGE WIND SPEED AND DIRECTION..............13.1  SW                    ASOS.......................13.2                    DAVIS......................13.4  SW [220 deg.]   PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.87  DEPARTURE.......+0.71                          ASOS..............0.90 TOTAL PRECIPITATION FOR THE MONTH..........8.73  DEPARTURE.......+4.95                          ASOS..............9.08 TOTAL PRECIPITATION FOR THE YEAR..........61.78  DEPARTURE......+14.41                          ASOS.............63.95 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........+6.2 TOTAL SNOWFALL FOR THE SEASON...............7.6  DEPARTURE........+5.9 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 Low temp since midnight is 41F; normal low is 31F 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 25 HIGH 71 IN 1979 LOW 13 IN 1938 PRECIP 3.10 INCHES IN 1983 SNOWFALL 8.0 INS IN 1888 PEAK GUST 94e E IN 1950 RECORDS FOR NOVEMBER 26 HIGH 66 IN 1979 LOW 6 IN 1938 PRECIP 2.22 INS IN 1888 SNOWFALL 3.0 INS IN 1974 PEAK GUST 78 SSE IN 1964 TODAY'S REPORT PREPARED BY: Samantha Richard