BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, JUNE 3, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME MOSTLY CLOUDY WITH INTERMITTENT SUNSHINE ATOP GREAT BLUE HILL.... A few light rain showers moved through last evening bringing only 0.01 inches of rain to the hill. Today was mostly cloudy with some breaks of sunshine, mostly in the morning hours. Wind was light and southwesterly, with an average speed under 10 mph. Visibility started at 65 miles, moving down to 40 miles by the 1 P.M. observation due to a distant haze.   The high so far today is 77 degrees, this is 6 degrees above the daily normal high of 71F. The low since midnight is 55F, which is 2 degrees above the daily normal low of 53F. Today's Observations: 7 A.M. Weather: Broken cumulus, broken altocumulus Temperature: 61F; Dew Point: 53F; Relative Humidity: 74% Wind: SW at 9 kts   Sea-level pressure: 29.64 ins. Hg: falling steadily Visibility: 65 miles 6-hr Max temp: 61F 6-hr Min temp: 55F 24-hr Precip:  0.00 ins. 24-hr Snowfall: 0.0 ins. BHO SA 1155 E50 BKN 85 BKN 65 037/61/53/2409/964/ 8/880 70001 58013 10061 20055 10 A.M. Weather: Scattered altocumulus, broken cirrus, few cumulus   Temperature: 72F; Dew Point: 56F; Relative Humidity: 57% Wind: SSW at 7 kts Sea-level pressure: 29.60 ins. Hg: falling steadily Visibility: 65 miles 3-hr Precip:  0.00 ins. 3-hr Snowfall: 0.0 ins. BHO SA 1455 160 SCT E250 BKN 65 023/72/56/2107/960/ FEW CU ALQDS/ 8/122 58014 1 P.M. Weather: Scattered stratocumulus, overcast altostratus Temperature: 76F; Dew Point: 60F; Relative Humidity: 58% Wind: SW at 7 kts Sea-level pressure: 29.55 ins. Hg: falling, then more rapidly Visibility: 40 miles, distant haze 6-hr Max temp: 77F 6-hr Min temp: 61F 6-hr Precip:  0.00 ins. 6-hr Snowfall: 0.0 ins. BHO SA 1755 55 SCT E150 BKN 40 006/76/60/2307/955/ DSNT HZ ALQDS/ 8/42/ 56017 10077 20061 SUMMARY FOR TUESDAY, JUNE 2, 2020 TEMPERATURE (DEGREES F) MAX.....72   NORMAL.....71 MIN.....45   NORMAL.....53 MEAN....59   NORMAL.....62 DEPARTURE FROM 30-YEAR NORMAL................. -3 TOTAL DEPARTURE FOR THE MONTH.................-12 [-6.2 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY................6  DEPARTURE........+1 TOTAL HEATING UNITS FOR THE MONTH...............18  DEPARTURE....... +8 TOTAL HEATING UNITS FOR THE SEASON............5830  DEPARTURE......-482 TOTAL HEATING UNITS LAST SEASON TO DATE.......6222  DEPARTURE......-392 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY................0  DEPARTURE........-2 TOTAL COOLING UNITS FOR THE MONTH............... 0  DEPARTURE....... -3 TOTAL COOLING UNITS FOR THE SEASON..............32  DEPARTURE........+5 TOTAL COOLING UNITS LAST SEASON TO DATE..........8  DEPARTURE.......+24 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................28 W   AT  4:08 P.M.                      AERO.........................27 W   AT  4:03 P.M.                     ASOS.........................27 WSW AT  4:03 P.M.                    DAVIS........................29 W   AT  2:55 P.M. RMY 28 FASTEST MILE FOR YESTERDAY......................21 W   AT  4:24 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................20 W   AT  4:03 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................21 W   AT  4:24 P.M. AVERAGE WIND SPEED AND DIRECTION................ 8.4 W                                  ASOS......................... 8.7                    DAVIS.........................8.8 W [269 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.01  DEPARTURE......-0.15                          ASOS..............0.01 TOTAL PRECIPITATION FOR THE MONTH..........0.01  DEPARTURE......-0.32                          ASOS..............0.01 TOTAL PRECIPITATION FOR THE YEAR..........19.80  DEPARTURE......-3.19                          ASOS.............20.32 PRELIMINARY CLIMATE SUMMARY FOR MAY 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 05/01  64/52/58/+5/..../0.0/000/00         46 SSE  AERO 44 SSE RMY N/A 05/02  70/42/56/+3/..../0.0/729/86         41 NW   AERO 40 NW  RMY N/A 05/03  78/55/67/+14/0.00/0.0/613/72        35 SSW  AERO 35 SSW RMY 36 05/04  72/45/59/+5/T/0.0/247/29            37 NW   AERO 40 WNW RMY 39   05/05  60/40/50/-4/0.00/0.0/821/96         31 NW   AERO 32 NW  RMY N/A 05/06  57/38/48/-6/T/0.0/498/58            24 ESE  AERO 22 ENE RMY 22 05/07  63/37/50/-5/0.00/0.0/576/67         30 WSW  AERO 29 WSW RMY N/A 05/08  57/40/49/-6/..../0.0/328/38         31 W    AERO 32 W   RMY N/A 05/09  44/32/38/-17/..../T/484/56          52 W    AERO 53 W   RMY 54 05/10  59/31/45/-10/0.00/0.0/763/88        46 W    AERO 46 W   RMY 49 05/11  65/43/54/-2/0.22/0.0/322/37         39 S    AERO 43 S   RMY 41 05/12  55/37/46/-10/0.00/0.0/801/92        37 W    AERO 37 W   RMY 37 05/13  59/32/46/-10/0.00/0.0/864/99        37 WNW  AERO 37 WNW RMY 38 05/14  70/40/55/-2/0.00/0.0/831/95         29 W    AERO 26 W   RMY 27 05/15  78/50/64/+7/..../0.0/535/61         40 WSW  AERO 40 WSW RMY 43 05/16  69/47/58/+1/..../0.0/730/83         31 NW   AERO 31 NW  RMY 32 05/17  67/47/57/0/0.00/0.0/132/15          22 SSW  AERO N/A    RMY 21 05/18  60/47/54/-4/T/0.0/053/06            24 W    AERO 22 ENE RMY N/A 05/19  56/45/51/-7/0.00/0.0/797/90         35 ENE  AERO 34 ENE RMY 32 05/20  63/43/53/-5/0.00/0.0/869/98         22 ESE  AERO 20 SE  RMY 19 05/21  76/42/59/0/0.00/0.0/862/97          26 S    AERO 25 S   RMY 25 05/22  82/50/66/+7/0.00/0.0/864/97         29 W    AERO 29 W   RMY 28 05/23  67/44/56/-3/0.02/0.0/187/21         42 ENE  AERO 43 ENE RMY 40 05/24  58/43/51/-8/T/0.0/822/92            27 ENE  AERO 24 ENE RMY N/A 05/25  66/46/56/-4/0.00/0.0/.../..         18 ENE  AERO 18 ENE RMY N/A 05/26  82/56/69/+9/0.00/0.0/.../..         21 S    AERO 21 S   RMY 21 05/27  84/59/72/+12/0.00/0.0/.../..        31 SSW  AERO 31 SSW RMY 31   05/28  77/63/70/+9/..../0.0/.../..         33 SSW  AERO 33 S   RMY 33 05/29  78/66/72/+11/..../.../.../..        41 SSW  AERO 41 SSW RMY 43 05/30  79/63/71/+10/..../.../.../..        30 S    AERO 30 S   RMY N/A 05/31  67/45/56/-5/0.00/0.0/.../..         33 WNW  AERO 33 WNW RMY 32 DAILY RECORDS FOR MAY 2020 5/13/2020: NEW RECORD LOW OF 32F, REPLACING 35F SET IN 1914 AND 2005 PRELIMINARY CLIMATE SUMMARY FOR JUNE 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 06/01  64/42/53/-9/T/0.0/.../..            28 WNW  AERO 29 WNW RMY 28 06/02  72/45/59/-3/..../.../..             28 W    AERO 27 W   RMY 28 06/03 The low since midnight is 55F, the daily normal low is 53F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR JUNE 3 HIGH 98F IN 1919 LOW 38F IN 1929 PRECIP 2.40 INS 2006 PEAK GUST 47 MPH NW IN 1998 RECORDS FOR JUNE 4 HIGH 99F IN 1919 [Record for month] LOW 41F IN 1915,1926 PRECIP 1.52 INS IN 2007 PEAK GUST 48 MPH SSE IN 1983 TODAY'S REPORT PREPARED BY: Benjamin Turner