BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, AUGUST 16, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME ANOTHER OVERCAST AND COOL DAY WITH TRACE AMOUNTS OF RAINFALL.... Today was overcast, with some very light drizzle falling between 7-9 A.M. Precipitation began again around noontime, only amounting to 0.02 ins. by the 1 P.M. observation. Visibility was limited to 20 miles on average due to a distant fog. Wind is from the northeast at 15 mph, providing the summit with a cool sea breeze. Skies are again overcast, with a couple breaks being noticed around 11 A.M.   The high so far today is 69F, 11 degrees below the daily normal maximum of 80F. The low since midnight is 62F, the same as the normal minimum. The summit of Blue Hill is reaching a drought, with the monthly rain total being 1.87 inches below normal. Supporting evidence is the annual rain deficit of -3.79 inches.   Today's Observations: 7 A.M. Weather: Scattered stratus fractus, overcast nimbostratus Temperature: 64F; Dew Point: 62F; Relative Humidity: 93% Wind: ENE at 10G15 kts Sea-level pressure: 30.08 ins. Hg: rising then steady Visibility: 10 miles, thin fog 6-hr Max temp: 64F 6-hr Min temp: 62F 24-hr Precip: Trace BHO SA 1155 20 SCT 120 OVC 10 187/64/62/0610G15/008/ THN FG ALQDS/ 8/72/ 53001 10064 20062 10 A.M. Weather: Scattered stratus fractus, overcast altocumulus Temperature: 68F; Dew Point: 61F; Relative Humidity: 78% Wind: ENE at 13G23 kts Sea-level pressure: 30.09 ins. Hg: falling steadily Visibility: 20 miles, thin fog 3-hr Precip: Trace BHO SA 1455 25 SCT 120 OVC 20 190/68/61/0713G23/009/ THN FG ALQDS/ 8/72/ 600// 58003 1 P.M. Weather: Scattered stratus fractus, overcast nimbostratus, light rain beginning within the hour Temperature: 66F; Dew Point: 64F; Relative Humidity: 90% Wind: E at 9G15 kts Sea-level pressure: 30.07 ins. Hg: falling, then steady Visibility: 9 miles, distant rainfall 6-hr Max temp: 69F 6-hr Min temp: 64F 6-hr Precip: 0.02 ins. BHO SA 1755 20 SCT 120 OVC 9R- 182/66/64/0809G15/007/ VIRGA ALQDS R-BUKN/ 8/72/ 6002/ 55008 10069 20064 SUMMARY FOR SATURDAY, AUGUST 15, 2020 TEMPERATURE (DEGREES F) MAX.....67   NORMAL.....80 MIN.....62   NORMAL.....62 MEAN....65   NORMAL.....71 DEPARTURE FROM 30-YEAR NORMAL.................-6 TOTAL DEPARTURE FOR THE MONTH.................+86 [+5.5 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY.................0   DEPARTURE.......-6 TOTAL COOLING UNITS FOR THE MONTH................185  DEPARTURE......+82 TOTAL COOLING UNITS FOR THE SEASON...............672  DEPARTURE.....+218 TOTAL COOLING UNITS LAST SEASON TO DATE..........513  DEPARTURE.....+159 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................33 NNE AT  6:52 A.M.                      AERO.........................32 NNE AT  7:46 A.M.                    ASOS.........................33 NE  AT  6:52 A.M.                    DAVIS........................33 ENE AT  6:51 A.M                    RMY N/A  MERLIN N/A FASTEST MILE FOR YESTERDAY......................23 NNE AT  6:04 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................20 NNE AT  6:05 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................21 NE  AT  6:49 A.M. AVERAGE WIND SPEED AND DIRECTION................12.8 NE                              ASOS.........................12.4                    DAVIS........................13.0 NE [50 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....Trace DEPARTURE......-0.13                          ASOS..............0.01 TOTAL PRECIPITATION FOR THE MONTH..........0.23  DEPARTURE......-1.87                          ASOS..............0.24 TOTAL PRECIPITATION FOR THE YEAR..........29.30  DEPARTURE......-3.79                          ASOS.............30.05 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/.../..            36 WSW  AERO 38 SW   RMY 36 08/04  83/71/77/5/0.21/.../..              67 SSE  AERO 71 S    RMY 70 08/05  90/68/79/+7/0.00/.../..             28 SW   AERO 30 SW   RMY 29 08/06  84/65/75/3/0.00/.../..   20 W    AERO 17 W    RMY 19 08/07  79/65/72/0/T/.../..                 16 NE   AERO 16 NE   RMY N/A 08/08  83/64/74/+2/0.00/.../..             20 S    AERO 20 S    RMY 19 08/09  90/65/78/+6/0.00/.../..             26 SSW  AERO 26 SSW  RMY 26 08/10  94/69/82/+11/0.00/.../..            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  The low since midnight is 62F, the daily normal low is 62F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR AUGUST 16 HIGH 95F IN 1944 LOW 50F IN 1927 PRECIP 1.47 INCHES IN 1926 PEAK GUST 45e MPH N IN 1951 RECORDS FOR AUGUST 17 HIGH 97F IN 1944 LOW 48F IN 1902 PRECIP 2.17 INCHES IN 1998 PEAK GUST 50e MPH SSW IN 1952, 50 MPH WNW IN 1962 TODAY'S REPORT PREPARED BY: Benjamin Turner