BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, FEBRUARY 28, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME SNOWY MORNING WITH WIND INCREASING  SLIGHTLY IN THE AFTERNOON.... We measured 3.5 inches of snow this morning following last night's event, and 0.25 inches of liquid equivalent to that amount. Light  snow was observed this morning, ending well before 11 A.M. Wind was below 10 mph on average this morning, but has increased since then; with  a max gust so far of 18 mph after noontime. Ponds remain frozen overnight throughout the uniform and loosely packed snowfall. The high so far today is 28F, 12 degrees below the normal daily maximum  of 40F. The low since midnight is 15F, 7 degrees  below the normal minimum of 22F.     Today's Observations: 7 A.M. Weather: Light snow, overcast nimbostratus Temperature: 15F; Dew Point: 15F; Wind: N at 8 kts Sea-level pressure: 30.09 ins. Hg, rising steadily Visibility: 3 miles, fog 6-hr Max temp: 17F 6-hr Min temp: 15F 24-hr Precip:  0.25 ins. 24-hr snowfall: 3.5 ins. Snow depth: 4 ins.  BHO SA 1155 E65 OVC 3S-F 188/15/15/3508/009/ S-CTD/  8/02/ 4/004 70025 53013 10017 20015 10 A.M. Weather: Broken cumulus, very light snow Temperature: 21F; Dew Point: 15F; Wind: NW at 8 kts  Sea-level pressure: 30.15 ins. Hg, rising steadily Visibility: 20 miles, distant fog 3-hr Precip: 0.02 ins.  BHO SA 1455 E35 BKN 20S- 209/21/15/3308/015/ DSNT  FG S-CTD PCPN VRY LGT/ 8/800 6002/ 51021 1 P.M. Weather: Broken cumulus Temperature: 27F; Dew Point: 14F; Wind: NW at 10G16 kts  Sea-level pressure: 30.17 ins. Hg, falling then rising Visibility: 70 miles 6-hr Max temp: 28F 6-hr Min temp: 15F 6-hr Precip:  0.02 ins. 6-hr snowfall: Trace Snow depth: 4 ins.  BHO SA 1755 E35 BKN 70 217/27/14/3310G16/017/ 8/800  4/003 6002/ 50008 10028 20015 SUMMARY FOR WEDNESDAY, FEBRUARY 27, 2019  TEMPERATURE (DEGREES F) MAX.....22   NORMAL.....39 MIN......9   NORMAL.....22 MEAN....16   NORMAL.....31 DEPARTURE FROM 30-YEAR NORMAL.......................-15 TOTAL DEPARTURE FOR THE MONTH.......................+54 [+1.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............43   DEPARTURE........+15 TOTAL HEATING UNITS FOR THE MONTH.............947   DEPARTURE........-56 TOTAL HEATING UNITS FOR THE SEASON...........4443   DEPARTURE........-91 TOTAL HEATING UNITS LAST SEASON TO DATE......4105   DIFFERENCE......+338 PEAK GUST AND AVERAGE WIND SPEED (MPH)  PEAK WIND GUST FOR YESTERDAY....................35 WNW AT  3:54 A.M.                    AERO.........................26 WNW AT  3:52 A.M.                    ASOS.........................35 NW  AT  3:55 A.M.                     DAVIS........................37 W   AT  3:54 A.M. RMY N/A FASTEST MILE FOR YESTERDAY......................25 WNW AT  3:55 A.M.  MAXIMUM 2-MINUTE ASOS AVERAGE...................24 NW  AT  3:55 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................26 W   AT  3:55 A.M. AVERAGE WIND SPEED AND DIRECTION...............8.1 WNW                    ASOS........................8.4                    DAVIS.......................8.4 W [265 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.35  DEPARTURE.......+0.09                          ASOS..............0.32 TOTAL PRECIPITATION FOR THE MONTH..........3.59  DEPARTURE.......-0.31                          ASOS..............3.57 TOTAL PRECIPITATION FOR THE YEAR...........8.94  DEPARTURE.......+0.69                          ASOS..............9.05 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........3.5  DEPARTURE........+3.0 TOTAL SNOWFALL FOR THE MONTH...............12.1  DEPARTURE........-4.3 TOTAL SNOWFALL FOR THE SEASON..............24.5  DEPARTURE.......-22.0 PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 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 02/01 19/5/12/-14/0.00/0.0/552/95          29 W   AERO 28 W   RMY N/A 02/02 30/7/19/-7/0.00/0.0/318/55           32 WSW AERO 32 WSW RMY 31 02/03 38/27/33/+7/0.00/0.0/126/22          26 S   AERO 25 S   RMY N/A 02/04 59/33/46/+20/0.00/0.0/540/93         25 SSW AERO 28 SSW RMY N/A 02/05 62/39/51/+25/0.00/0.0/354/60         30 WNW AERO 29 WNW RMY 32 02/06 39/28/34/+8/..../.../396/67          24 NNW AERO 23 NNW RMY N/A 02/07 37/31/34/+7/..../.../000/00          28 ENE AERO 24 ENE RMY 28 02/08 51/27/39/+12/..../.../204/34         46 W   AERO 46 WNW RMY 51 02/09 32/20/26/-1/0.00/0.0/594/100         50 WNW AERO 52 WNW RMY 52 02/10 33/18/26/-1/0.00/0.0/510/85          24 WNW AERO 23 WNW RMY 25 02/11 34/21/28/+1/0.00/0.0/318/53          24 NNW AERO 23 NNW RMY 25 02/12 33/13/23/-4/..../2.8/000/00          32 E   AERO 30 E   RMY 26 02/13 39/29/34/+6/..../0.1/018/03          36 W   AERO 32 W   RMY 36 02/14 37/26/32/+4/0.00/0.0/594/97          44 WNW AERO 42 WNW RMY 45 02/15 49/29/39/+11/0.11/0.0/060/10         40 S   AERO 40 S   RMY 44 02/16 44/26/35/+7/0.00/0.0/504/82          25 NW  AERO 25 NW  RMY N/A 02/17 37/19/28/0/..../.../618/100          30 NNW AERO 25 NNW RMY N/A 02/18 30/16/23/-6/..../.../000/00          35 NW  AERO 36 NW  RMY 41 02/19 30/10/20/-9/0.00/0.0/618/99          35 NW  AERO 33 NW  RMY N/A 02/20 26/12/19/-10/..../.../000/00         16 WNW AERO 14 SSW RMY N/A 02/21 43/21/32/+3/..../.../294/47          36 W   AERO 33 W   RMY 38 02/22 43/30/37/+8/..../0.0/504/80          22 NW  AERO 21 NW  RMY 23 02/23 38/24/31/+1/0.00/0.0/336/53          18 NNW AERO 16 NNW RMY N/A 02/24 45/30/38/+8/..../.../000/00          41 W   AERO 37 W   RMY 47 02/25 37/25/31/+1/..../.../.../..          66 W   AERO 59 W   RMY M  02/26 29/14/22/-8/0.00/0.0/.../..          46 WNW AERO 39 WNW RMY 47 02/27 22/9/16/-15/..../.../.../..          35 WNW AERO 26 WNW RMY N/A 02/28 Low temp since midnight is 15F; normal low is 22F   DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR FEBRUARY 28 HIGH 62F IN 1976 LOW -2F IN 1907,1934 PRECIP 1.79 INCHES IN 1958 SNOWFALL 8.5 INCHES IN 2005 PEAK GUST 88e MPH SSW IN 1943 RECORDS FOR MARCH 1 HIGH 62 IN 1972 LOW -3 IN 1886 PRECIP 1.65 INS. IN 1900 SNOWFALL 9.4 INS. IN 1949 PEAK GUST 78 WSW IN 1966 TODAY'S REPORT PREPARED BY: Benjamin Turner