BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, SEPTEMBER 3, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME CLEAR IN THE MORNING WITH A LIGHT SEA BREEZE IN THE AFTERNOON.... Weather conditions were fair with a visibility just under 70 miles on average. Wind was light, but shifted from N-E following the 1 P.M. observation. Cloud cover increased since this morning, becoming partly cloudy following noontime. The high so far today is 76F, the same as the daily normal maximum. The low since midnight is 61F, 2 degrees above the normal minimum of 59F.   PRELIMINARY STATS FOR AUGUST 2019 TEMPERATURE, Deg. F Avg. Max. 80.4 [+1.2] Avg. Min. 62.1 [+0.3] Mean      71.5 [+1.0] 24-hour corrected mean: 70.5 Max. for month: 92F on the 19th Min. for month: 51F on the 26th COOLING DEGREE DAYS Total cooling units:   211 [+22] Total for the season:  619 [+82] Total for last season: 753 PRECIPITATION, Inches Total: 1.83 [-2.21] Greatest in 24 hrs: N/A WIND, mph Avg. uncorrected wind speed: 9.1 mph Avg. corrected wind speed:   9.8 mph Prevailing wind direction: N/A Peak gust and direction: N/A   SUNSHINE: Campbell-Stokes card minutes: N/A Astronomical total minutes:   N/A Today's Observations: 7 A.M. Weather: Clear, few stratocumulus, few altocumulus E-S and N Temperature: 62F; Dew Point: 61F; Wind: NW at 9 kts Sea-level pressure: 30.03 ins. Hg, rising steadily Visibility: 65 miles 6-hr Max temp: 66F 6-hr Min temp: 61F 24-hr Precip: 0.00 ins. BHO SA 1155 CLR 65 171/62/61/3309/003/ FEW SC ALQDS FEW AC DSNT E-S AND N/ 8/730 70037 51025 10066 20061 10 A.M. Weather: Clear, few stratocumulus Temperature: 72F; Dew Point: 61F; Wind: NE at 6 kts, Wind: Light   Sea-level pressure: 30.06 ins. Hg, falling then rising Visibility: 65 miles 3-hr Precip: 0.00 ins. BHO SA 1455 CLR 65 180/72/61/0406/006/ FEW SC ALQDS WND LGT/ 8/700 50009 1 P.M. Weather: Scattered cumulus Temperature: 75F; Dew Point: 58F; Wind: N at 5 kts, Wind: Light Sea-level pressure: 30.04 ins. Hg, falling steadily Visibility: 70 miles 6-hr Max temp: 76F 6-hr Min temp: 62F 6-hr Precip: 0.00 ins. BHO SA 1755 CLR 70 175/75/58/0105/004/ FEW CU ALQDS WND LGT/ 8/100 58005 10076 20062 SUMMARY FOR MONDAY, SEPTEMBER 2, 2019 TEMPERATURE (DEGREES F) MAX.....75   NORMAL.....76 MIN.....57   NORMAL.....59 MEAN....66   NORMAL.....68 DEPARTURE FROM 30-YEAR NORMAL......................-2 TOTAL DEPARTURE FOR THE MONTH......................-5 [-2.7 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY...............1   DEPARTURE.........-3 TOTAL COOLING UNITS FOR THE MONTH...............1   DEPARTURE.........-7 TOTAL COOLING UNITS FOR THE SEASON............620   DEPARTURE........+75 TOTAL COOLING UNITS LAST SEASON TO DATE.......762   DEPARTURE.......-142 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................39 W   AT  5:48 P.M.                    AERO.........................41 W   AT  5:52 P.M.                    ASOS.........................39 SW  AT  5:58 P.M.                    DAVIS........................40 S   AT  5:51 P.M. RMY 41 FASTEST MILE FOR YESTERDAY......................26 W   AT  5:46 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................25 SSW AT  5:53 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................26 S   AT  5:45 P.M. AVERAGE WIND SPEED AND DIRECTION..............10.9 S                    ASOS.......................10.9                    DAVIS......................10.9 SSW [193 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.37  DEPARTURE......+0.26                          ASOS..............0.36 TOTAL PRECIPITATION FOR THE MONTH..........0.37  DEPARTURE......+0.15                          ASOS..............0.36 TOTAL PRECIPITATION FOR THE YEAR..........37.52  DEPARTURE......+2.27                          ASOS.............37.40 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  78/59/69/0/..../.../..                21 SSE AERO 18 SSE RMY 20 8/29  83/63/73/+4/..../.../..               25 WNW AERO 21 WNW RMY 26 8/30  84/59/72/+4/..../.../..               30 SW  AERO 30 SW  RMY 28 8/31  79/61/70/+2/..../.../..               21 W   AERO 18 W   RMY 20 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 9/01  73/56/65/-3/0.00/.../..                21 ENE AERO 14 ENE RMY 18 9/02  75/57/66/-2/0.37/.../..                39 W   AERO 41 W   RMY 41 9/03 Low temp since midnight is 61F; normal low is 59F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR SEPTEMBER 3 HIGH 95F IN 1929 LOW 43F IN 1983 PRECIP 3.82 INCHES IN 1972 (TROPICAL STORM CARRIE) PEAK GUST 58 MPH NNE IN 1972 (TROPICAL STORM CARRIE) RECORDS FOR SEPTEMBER 4 HIGH 90F IN 1953, 1973 LOW 46F IN 1987 PRECIP 3.22 INCHES IN 1922 PEAK GUST 47 MPH SE IN 1966 TODAY'S REPORT PREPARED BY: Benjamin Turner