BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, AUGUST 30, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME FALL-LIKE WITH GREAT VISIBILITY AND A COOL WESTERLY BREEZE.... Today was a great example of an early fall day. It consisted of high visibility, cool temperatures, and a bit of wind. Visibility was 80 miles all day, and wind was constant from the west at around 20 mph. The max gust encountered since 7 A.M. is 35 mph, seen around 9 A.M. Skies were almost clear, becoming partly cloudy by the 10 A.M. observation. The observatory is very busy with rooftop tours, which is $3 per adult and less for children. We're open until 4 P.M. today (as with all weekend days), and the view is definitely worth the hike. Drop-in tours starting at 10 A.M. EDT are also allowed on weekdays. This is the time of year to visit the observatory, since the fall weather yields the best visibility, as well as the best hiking weather. The high so far today is 75F, which is 2 degrees below the daily normal maximum of 77F. The low since midnight is 61F, a degree above the average of 60F.   Today's Observations: 7 A.M. Weather: Fog Temperature: 63F; Dew Point: 56F; Relative Humidity: 77% Wind: WSW at 10 kts Sea-level pressure: 29.59 ins. Hg: rising steadily Visibility: 80 miles 6-hr Max temp: 67F 6-hr Min temp: 61F 24-hr Precip: 0.06 ins. BHO SA 1155 CLR 80 020/63/56/2410/959/ FEW CU/CI ALQDS/ 8/101 70006 53028 10067 20061 10 A.M. Weather: Broken cumulus and cirrus Temperature: 71F; Dew Point: 55F; Relative Humidity: 57% Wind: W at 13G29 kts, peak of 35 mph at 9:10 A.M. Sea-level pressure: 29.65 ins. Hg: rising steadily Visibility: 80 miles 3-hr Precip: 0.00 ins. BHO SA 1455 45 BKN 250 BKN 80 038/71/55/2813G29/965/ PK WND 2730/10/ 8/101 51018 1 P.M. Weather: Scattered cumulus, broken cirrus Temperature: 74F; Dew Point: 51F; Relative Humidity: 43% Wind: NW at 13G22 kts Sea-level pressure: 29.71 ins. Hg: rising steadily Visibility: 80 miles 6-hr Max temp: 75F 6-hr Min temp: 63F 6-hr Precip: 0.00 ins. BHO SA 1755 45 SCT 250 BKN 80 059/74/51/3113G22/971/ 8/101 53021 10075 20063 SUMMARY FOR SATURDAY, AUGUST 29, 2020 TEMPERATURE (DEGREES F) MAX.....74   NORMAL.....77 MIN.....65   NORMAL.....60 MEAN....70   NORMAL.....69 DEPARTURE FROM 30-YEAR NORMAL................. +1 TOTAL DEPARTURE FOR THE MONTH.................+100 [+3.2 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY..................5  DEPARTURE......+1                       TOTAL COOLING UNITS FOR THE MONTH................269  DEPARTURE.....+91 TOTAL COOLING UNITS FOR THE SEASON...............756  DEPARTURE....+227 TOTAL COOLING UNITS LAST SEASON TO DATE..........610  DEPARTURE....+146 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................23 W   AT 11:56 P.M.                      AERO.........................32 W   AT 11:43 P.M.                    ASOS.........................33 W   AT 11:58 P.M.                    DAVIS........................33 W   AT 11:57 P.M.                    RMY N/A  MERLIN N/A FASTEST MILE FOR YESTERDAY......................25 W   AT 11:58 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................23 W   AT 11:58 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................25 W   AT 11:58 P.M. AVERAGE WIND SPEED AND DIRECTION..............12.5 S                              ASOS.......................12.8                    DAVIS......................12.6 WNW [290 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.06  DEPARTURE......-0.05                          ASOS..............0.06 TOTAL PRECIPITATION FOR THE MONTH..........3.74  DEPARTURE......-0.07                          ASOS..............3.77 TOTAL PRECIPITATION FOR THE YEAR..........32.81  DEPARTURE......-1.99                          ASOS.............33.58 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 08/01  87/66/77/+5/0.00/.../..             18 S    AERO 21 S    RMY 19 08/02  85/69/77/+5/0.02/.../..             36 S    AERO 37 S    RMY 38 08/03  91/75/83/+11/0.00/715/83            36 WSW  AERO 38 SW   RMY 36 08/04  83/71/77/5/0.21/094/11              67 SSE  AERO 71 S    RMY 70 08/05  90/68/79/+7/0.00/668/78             28 SW   AERO 30 SW   RMY 29 08/06  84/65/75/3/0.00/701/82   20 W    AERO 17 W    RMY 19 08/07  79/65/72/0/T/136/16                 16 NE   AERO 16 NE   RMY N/A 08/08  83/64/74/+2/0.00/612/72             20 S    AERO 20 S    RMY 19 08/09  90/65/78/+6/0.00/661/78             26 SSW  AERO 26 SSW  RMY 26 08/10  94/69/82/+11/0.00/727/86            22 W    AERO 20 W    RMY 20 08/11  92/72/82/+11/0.00/.../..            31 SSW  AERO 35 SSW  RMY 31  TSTM 08/12  93/74/84/+13/0.00/.../..            22 SSW  AERO 22 SW   RMY 19 08/13  88/71/80/+9/0.00/.../..             18 ENE  AERO 18 NE   RMY 18 08/14  82/67/75/+4/0.00/.../..             23 ENE  AERO 23 ENE RMY N/A 08/15  67/62/65/-6/T/.../..                33 NNE  AERO 32 NNE  RMY N/A 08/16  69/62/66/-5/..../.../..             26 ENE  AERO 28 ENE  RMY 26 08/17  73/59/66/-5/..../.../..             25 NE   AERO 24 NE   RMY N/A 08/18  84/63/74/+3/..../.../..             23 W    AERO 23 W    RMY 24 08/19  81/59/70/0/0.03/.../..              26 W    AERO 28 W    RMY 27 08/20  80/56/68/-2/0.00/.../..             22 W    AERO 21 W    RMY 22 08/21  88/61/75/+5/0.00/.../..             28 SW   AERO 26 SW   RMY 28 08/22  85/66/76/+6/0.26/.../..             18 NNE  AERO 16 S    RMY 16 08/23  89/63/76/+6/2.21/.../..             60 WNW  AERO 53 WNW  RMY 58  TSTM HAIL 08/24  87/67/77/+7/0.00/.../..             18 S    AERO 18 S    RMY 19 08/25  86/65/76/+7/0.01/.../..             35 NNW  AERO 37 NNW  RMY 35 08/26  74/56/65/-4/0.00/.../..             29 NW   AERO 32 NW   RMY N/A 08/27  68/57/63/-6/0.33/.../..             18 SSE  AERO 20 SSE  RMY 20 08/28  80/59/70/+1/0.00/.../..             20 W    AERO 20 W    RMY N/A 08/29  74/65/70/+1/0.06/.../..             32 W    AERO 32 W    RMY N/A 08/30 The low since midnight is 61F, the daily normal low is 60F DAILY RECORDS FOR AUGUST 2020 8/23/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 89F,          BREAKS PREVIOUS RECORD of 88F SET IN 1918, 1947, 1949, 1996 8/23/20: DAILY RECORD PRECIPITATION OF 2.21 INS,          BREAKS PREVIOUS RECORD OF 2.09 INS SET IN 2010 8/23/20: DAILY RECORD PEAK WIND GUST OF 60 MPH,          TIES PREVIOUS RECORD OF 60 MPH SET IN 1940 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR AUGUST 30 HIGH 94F IN 1953 LOW 39F IN 1965 PRECIP 2.75 INCHES IN 1936 PEAK GUST 43 MPH NW IN 1965 RECORDS FOR AUGUST 31 HIGH 94F IN 1953 LOW 42F IN 1976 PRECIP 2.46 INCHES IN 1954 PEAK GUST 125 MPH SE IN 1954 [CAROL - RECORD FOR MONTH] TODAY'S REPORT PREPARED BY: Benjamin Turner