BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, MARCH 8, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME A PARTLY CLOUDY DAY WITH DECENT VISIBILITY AND MILD TEMPERATURES.... We observed fair weather today with an average visibility around 75 miles. Wind was northwesterly at around 15 mph. Houghton's Pond had some ice around its edges following a below freezing overnight low, while Ponkapoag remained completely unfrozen during sunrise. On the season, the observatory is considerably dry to start the year. With an annual rain total of 4.82 inches, we are 4.81 inches below the normal amount. We continue to depart further from our normal seasonal snow total of 50.6 inches, being 25.0 inches below that amount. The high so far today is 51F, this is 9 degrees above the normal high of 42F. The low since midnight is 26F, 2 degrees above the normal low of 24F. PRELIMINARY STATS FOR FEBRUARY 2020 TEMPERATURE, Deg. F Avg. Max. 40.7 [+3.9] Avg. Min. 25.9 [+6.7] Mean      33.3 [+5.4] 24-hour corrected mean: 33.0 Max. for month: 60F on the 24th Min. for month: 4F on the 15th HEATING DEGREE DAYS Total heating units:    911 [-164] Total for the season:  4140 [-345] Total for last season: 4485 PRECIPITATION, Inches Total: 3.20 [-0.87] Greatest in 24 hrs: N/A SNOWFALL, Inches Total: 0.6 [-13.3] Greatest in 24 hrs: 0.5 ins. on the 13th WIND, mph Avg. uncorrected wind speed: 11.5 mph Avg. corrected wind speed:   12.0 mph Prevailing wind direction:   W [24%] Peak gust and direction:     71 WSW on the 7th SUNSHINE: Campbell-Stokes card minutes: 7596 minutes of possible 17796 or 43% Astronomical total minutes: 7853 minutes of possible 18422 or 43% Today's Observations: 7 A.M. Weather: Broken altocumulus and cirrostratus Temperature: 29F; Dew Point: 9F; Relative Humidity: 43% Wind: W at 14G19 kts Sea-level pressure: 30.35 ins. Hg: rising steadily Visibility: 75 miles 6-hr Max temp: 28F 6-hr Min temp: 26F 24-hr Precip:  0.00 ins. 24-hr Snowfall: 0.0 ins. BHO SA 1155 E100 BKN 250 BKN 75 277/29/9/2814G19/035/ 8/078 51010 10028 20026 10 A.M. Weather: Broken altocumulus and cirrostratus, few stratocumulus Temperature: 42F; Dew Point: 6F; Relative Humidity: 22% Wind: W at 10G19 kts Sea-level pressure: 30.36 ins. Hg: falling then rising Visibility: 75 miles 3-hr Precip:  0.00 ins. 3-hr Snowfall: 0.0 ins. BHO SA 1455 E100 BKN 250 BKN 75 281/42/6/2810G19/036/ FEW SC ALQDS/ 8/478 51004 1 P.M. Weather: Broken altocumulus and cirrocumulus, few stratocumulus Temperature: 51F; Dew Point: 9F; Relative Humidity: 18% Wind: WNW at 10G15 kts Sea-level pressure: 30.30 ins. Hg: falling steadily Visibility: 75 miles 6-hr Max temp: 51F 6-hr Min temp: 29F 6-hr Precip:  0.00 ins. 6-hr Snowfall: 0.0 ins. BHO SA 1755 E100 BKN 250 BKN 75 262/51/9/3010G15/030/ FEW SC ALQDS/ 8/479 58019 10051 20029 SUMMARY FOR SATURDAY, MARCH 7, 2020 TEMPERATURE (DEGREES F) MAX.....43   NORMAL.....42 MIN.....26   NORMAL.....24 MEAN....35   NORMAL.....33 DEPARTURE FROM 30-YEAR NORMAL....................+2 TOTAL DEPARTURE FOR THE MONTH...................+54 [+7.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY...............30  DEPARTURE........-2 TOTAL HEATING UNITS FOR THE MONTH..............178  DEPARTURE.......-54 TOTAL HEATING UNITS FOR THE SEASON............4318  DEPARTURE......-482 TOTAL HEATING UNITS LAST SEASON TO DATE.......4770  DEPARTURE......-452 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................42 N   AT   9:02 A.M.                      AERO.........................43 N   AT   8:41 A.M.                      ASOS.........................44 N   AT   9:02 A.M.                    DAVIS........................42 N   AT   8:51 A.M. RMY 44 FASTEST MILE FOR YESTERDAY......................29 N   AT   9:00 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................28 N   AT   8:59 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................29 N   AT   9:02 A.M. AVERAGE WIND SPEED AND DIRECTION..............17.6 NW                                   ASOS.......................16.3                    DAVIS......................17.3 NNW [346 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..........0.16  DEPARTURE......-1.05                          ASOS..............0.19 TOTAL PRECIPITATION FOR THE YEAR...........4.82  DEPARTURE......-4.81                          ASOS..............5.10 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M..........0.8  DEPARTURE.......-0.5 TOTAL SNOWFALL FOR THE MONTH................0.8  DEPARTURE.......-2.8 TOTAL SNOWFALL FOR THE SEASON..............25.6  DEPARTURE......-25.0 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  38/30/34/+8/0.01/T/000/00          14 WSW AERO 14 WSW RMY N/A 02/02  40/30/35/+9/0.00/0.0/078/13        18 W   AERO 18 WNW RMY 18 02/03  44/27/36/+10/0.00/0.0/260/43       28 W   AERO 28 W   RMY 28 02/04  44/33/39/+13/0.00/0.0/055/09       19 E   AERO 16 E   RMY 18 02/05  41/30/36/+10/0.00/0.0/000/00       20 NNW AERO 19 NNW RMY N/A 02/06  31/30/34/+8/0.00/0.0/000/00        29 E   AERO 28 E   RMY 27 02/07  53/25/39/+12/..../0.1/000/00     71 WSW AERO 71 SSW RMY 73 02/08  33/20/27/0/T/T/616/100            46 W   AERO 44 W   RMY 44 02/09  33/15/24/-3/T/T/303/49             30 SSE AERO 29 SSE RMY N/A 02/10  42/33/38/+11/..../0.0/000/00       39 SSW AERO 39 SSW RMY 39 02/11  40/36/38/+11/..../0.0/000/00     24 W   AERO 23 W   RMY N/A 02/12  41/30/36/+9/0.00/0.0/314/50        37 W   AERO 36 W   RMY N/A 02/13  35/31/34/+6/..../0.5/000/00     29 SSW AERO 29 SSW RMY N/A 02/14  33/8/21/-7/0.00/0.0/506/80         32 WNW AERO 32 NW  RMY 34 02/15  27/4/16/-12/0.00/0.0/508/80        31 SSW AERO 31 SSW RMY N/A 02/16  40/23/32/+4/0.00/0.0/006/01        38 SW  AERO 38 SW  RMY N/A 02/17  44/28/36/+8/0.00/0.0/582/91        25 WNW AERO 24 WNW RMY 24 02/18  37/27/32/+3/0.31/T/000/00          26 SE  AERO 26 SE  RMY N/A 02/19  42/25/34/+5/0.00/0.0/530/82        45 W   AERO 46 W   RMY 44 02/20  31/18/25/-4/0.00/0.0/389/60        32 W   AERO 32 W   RMY N/A 02/21  30/11/21/-8/0.00/0.0/651/100       24 NNW AERO 21 N   RMY N/A 02/22  44/23/34/+5/0.00/0.0/647/99        26 W   AERO 24 W   RMY 27 02/23  53/30/42/+12/0.00/0.0/636/97       21 SW  AERO 22 WSW RMY 23 02/24  60/32/46/+16/0.00/0.0/606/92       29 S   AERO 29 SSW RMY 31 02/25  53/40/47/+17/..../0.0/033/05     17 NE  AERO 18 ENE RMY 17 02/26  45/39/42/+12/..../0.0/007/01    23 ENE AERO 24 E   RMY N/A 02/27  49/27/38/+7/0.00/0.0/274/41        51 W   AERO 53 W   RMY 52 02/28  36/25/31/0/0.00/0.0/596/89        38 SW  AERO 38 SW  RMY 36 02/29  35/19/27/-4/0.00/0.0/256/38        32 W   AERO 32 W   RMY 34 PRELIMINARY CLIMATE SUMMARY FOR MARCH 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 03/01  33/15/24/-7/0.00/0.0/..../..        28 WNW AERO 28 WNW RMY 27 03/02  52/24/38/+7/T/T/..../..             40 S   AERO 39 S   RMY 41 03/03  64/45/55/+23/..../.../..../..       30 S   AERO 30 S   RMY N/A 03/04  50/38/44/+12/..../.../..../..       56 W   AERO 56 W   RMY 58 03/05  51/32/42/+10/..../.../..../..       31 W   AERO 31 NW  RMY 32 03/06  47/30/39/+7/..../.../..../..        46 NE  AERO 45 NE  RMY 46 03/07  43/26/35/+2/..../.../..../..        42 N   AERO 43 N   RMY 44 03/08 The low since midnight is 26F, daily normal minimum is 24F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR MARCH 8 HIGH 66 IN 2012 LOW 2 IN 1986 PRECIP 2.20 INS. IN 2008 SNOWFALL 18.0 INS. IN 2013 PEAK GUST 69 MPH SSW IN 2008 RECORDS FOR MARCH 9 HIGH 75 IN 2016 LOW 1 IN 2007 PRECIP 2.67 INS. IN 1998 SNOWFALL 6.3 INS. IN 2013 PEAK GUST 102e MPH S IN 1942 [RECORD FOR MONTH] TODAY'S REPORT PREPARED BY: Benjamin Turner