BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, AUGUST 28, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME AFTERNOON RAINFALL FOLLOWING A MOSTLY CLOUDY DAY.... Visibility this morning was 60 miles, with fog decreasing visibility to 15 miles towards Boston. Skies were increasingly cloudy, with conditions becoming overcast after noontime. A light rain shower was observed before the 1 P.M. observation, leaving only a trace in the gauge. More consistent rainfall began after 2 P.M., with more than a quarter inch falling by 5 P.M. The high so far today is 78F, a degree above the daily normal maximum of 77F. The low since midnight is 59F, a degree below the average daily minimum of 60F.     Today's Observations: 7 A.M. Weather: Broken altocumulus Temperature: 65F; Dew Point: 59F; Wind: S at 2 kts, Wind: Light and variable Sea-level pressure: 29.99 ins. Hg, steady Visibility: 60 miles, thin smoke layer 6-hr Max temp: 65F 6-hr Min temp: 59F 24-hr Precip: 0.00 ins. BHO SA 1155 E110 BKN 60 156/65/59/1702/999/ THN K LYR ALQDS WND L/V/ 8/070 50000 10065 20059 10 A.M. Weather: Broken altocumulus Temperature: 76F; Dew Point: 59F; Wind: SE at 4 kts, Wind: Light and variable   Sea-level pressure: 29.98 ins. Hg, falling steadily Visibility: 60 miles, distant haze 3-hr Precip: 0.00 ins. BHO SA 1455 E90 BKN 60 153/76/59/1404/998/ DSNT HZ ALQDS WND L/V/ 8/070 58003 1 P.M. Weather: Overcast nimbostratus Temperature: 75F; Dew Point: 65F; Wind: SE at 8 kts Sea-level pressure: 29.93 ins. Hg, falling steadily Visibility: 40 miles, except 15 miles NNW-NE due to fog 6-hr Max temp: 78F 6-hr Min temp: 65F 6-hr Precip: Trace BHO SA 1755 E100 OVC 40RW 135/75/65/1308/993/ DSNT FG ALQDS VSBY NNW-NE 15 RWB40E55/ 8/02/ 600// 58018 10078 20065     SUMMARY FOR TUESDAY, AUGUST 27, 2019 TEMPERATURE (DEGREES F) MAX.....77   NORMAL.....78 MIN.....54   NORMAL.....60 MEAN....66   NORMAL.....69 DEPARTURE FROM 30-YEAR NORMAL......................-3 TOTAL DEPARTURE FOR THE MONTH.....................+19 [+0.5 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............1   DEPARTURE.........-4 TOTAL COOLING UNITS FOR THE MONTH.............187   DEPARTURE........+18 TOTAL COOLING UNITS FOR THE SEASON............598   DEPARTURE........+78 TOTAL COOLING UNITS LAST SEASON TO DATE.......701   DEPARTURE.......-103 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................18 SSW AT  3:58 P.M.                    AERO.........................18 SSW AT  4:02 P.M.                    ASOS.........................18 S   AT  9:04 P.M.                    DAVIS........................17 S   AT  3:58 P.M. RMY 17 FASTEST MILE FOR YESTERDAY......................12 SSW AT  4:08 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................13 S   AT  9:13 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................13 S   AT  9:04 P.M. AVERAGE WIND SPEED AND DIRECTION..............5.8 SSW                    ASOS.......................6.7                    DAVIS......................6.0 SSW [199 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.11                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........1.02  DEPARTURE......-2.58                          ASOS..............0.97 TOTAL PRECIPITATION FOR THE YEAR..........36.34  DEPARTURE......+1.75                          ASOS.............36.25 PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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 8/01  84/66/75/+3/0.00/755/87               18 NNW AERO 20 NW  RMY 17 8/02  83/61/72/0/0.00/804/93                18 WSW AERO 18 WSW RMY 18 8/03  84/66/75/+3/0.00/302/35               25 SW  AERO 26 SW  RMY 25 8/04  83/66/75/+3/0.00/732/85               21 NE  AERO 23 SW  RMY 25 8/05  81/58/70/-2/0.00/842/98               20 S   AERO 18 S   RMY 19 8/06  79/63/71/-1/0.00/282/33               15 S   AERO 14 S   RMY 17 8/07  82/66/74/+2/..../367/43               32 SSW AERO 35 SSW RMY 35 8/08  84/67/76/+4/..../588/69               30 SW  AERO 24 WNW RMY 29 8/09  82/63/73/+1/..../815/96               28 NW  AERO 25 NW  RMY 26 8/10  78/59/69/-2/..../720/85               32 NW  AERO 28 NW  RMY 28 8/11  78/55/67/-4/0.00/734/87               28 W   AERO 25 W   RMY 28 8/12  82/60/71/0/0.00/749/89                25 W   AERO 23 W   RMY 26 8/13  77/66/72/+1/0.02/059/07               25 W   AERO 24 WSW RMY 24 8/14  75/62/69/-2/..../452/54               24 ENE AERO 22 ENE RMY 22 8/15  77/59/68/-3/..../568/68               17 ESE AERO 15 SSE RMY 16 8/16  78/61/70/-1/..../732/88                20 E   AERO 17 ESE RMY 18 8/17  78/67/73/+2/..../099/12                14 SE  AERO 15 SE  RMY 15 8/18  88/70/79/+8/..../529/64               18 SSW AERO 18 SSW RMY 21 8/19  92/69/81/+11/..../.../..              25 WSW AERO 23 WSW RMY 25 8/20  87/66/77/+7/..../.../..               18 W   AERO 14 WSW RMY N/A 8/21  85/68/77/+7/0.12/.../..               33 SW  AERO 32 SW  RMY 33 8/22  88/68/78/+8/0.00/.../..               25 W   AERO 21 W   RMY 26 8/23  78/60/69/-1/0.04/.../..               23 N   AERO 18 N   RMY 24 8/24  72/55/64/-6/0.00/.../..               25 ENE AERO 21 ENE RMY 22 8/25  66/56/61/-8/0.00/.../..               31 ENE AERO 25 ENE RMY 29 8/26  71/51/61/-8/0.00/.../..               25 NE  AERO 21 NE  RMY 25 8/27  77/54/66/-3/0.00/.../..               18 SSW AERO 18 SSW RMY 17 8/28 Low temp since midnight is 54F; normal low is 60F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 28 HIGH 95F IN 1948 LOW 43F IN 1885 PRECIP 1.80 INCHES IN 1922 PEAK GUST 87 MPH SSE IN 1971 (DORIA) RECORDS FOR AUGUST 29 HIGH 95F IN 1953 LOW 41F IN 1982 PRECIP 2.88 INCHES IN 1962 PEAK GUST 70e MPH S IN 1949 TODAY'S REPORT PREPARED BY: Benjamin Turner