BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, AUGUST 9, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME PARTLY CLOUDY WITH LIMITED VISIBILITY AND WIND PICKING UP AROUND NOONTIME.... Today was hazy, with the majority of the sky cover being clouds. Visibility was limited to 35 miles at best, being observed at the 1 P.M. observation. Wind this morning was light, but reached 20 mph from the southwest by noontime. The average wind speed is currently 15 mph. Humidity has dropped to 50%, and dew points have held in the mid to upper 60's. Another great day for a tour, we are open until 4 P.M. EDT.   We are looking at another dry month so far, with a rain deficit of almost an inch. The yearly departure is 2.87 inches below the normal.   The high so far today is 89F, which is 9 degrees below the daily normal high of 80F. The low since midnight is 65F, which is 2 degrees above the daily normal low of 63F. PRELIMINARY STATS FOR JULY 2020 TEMPERATURE, Deg. F Avg. Max. 83.5 [+2.7] Avg. Min. 66.0 [+3.1] Mean      74.8 [+2.9] 24-hour corrected mean: 73.6 Max. for month: 95F on the 28th Min. for month: 57F on the 16th COOLING DEGREE DAYS Total cooling units:    303  [+81] Total for the season:   487  [+136] Total for last season:  411 PRECIPITATION, Inches Total: 1.72 [-2.30] 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:   S [12%] Peak gust and direction:     39 S on the 11th SUNSHINE: Campbell-Stokes card minutes: N/A Astronomical total minutes: N/A Today's Observations: 7 A.M. Weather: Scattered altocumulus, broken cirrostratus Temperature: 70F; Dew Point: 67F; Relative Humidity: 89% Wind: NE at 7 kts Sea-level pressure: 30.13 ins. Hg: Rising then falling Visibility: 20 miles, hazy 6-hr Max temp: 70F 6-hr Min temp: 65F 24-hr Precip: 0.00 ins. BHO SA 1155 90 SCT 250 BKN 20 204/70/67/2207/013/ FEW CU ALQDS HAZY/ 8/236 50003 10070 20065 10 A.M. Weather: Scattered cumulus and altocumulus, broken cirrus Temperature: 83F; Dew Point: 68F; Relative Humidity: 61% Wind: SSW at 7 kts Sea-level pressure: 30.11 ins. Hg: falling steadily Visibility: 30 miles, hazy 3-hr Precip: 0.00 ins. BHO SA 1455 60 SCT 100 SCT 250 30 198/83/68/2207/011/ HAZY/ 8/152 58006 1 P.M. Weather: Broken cumulus and altocumulus Temperature: 87F; Dew Point: 64F; Relative Humidity: 48% Wind: SSW at 12G16 kts Sea-level pressure: 30.06 ins. Hg: falling, then more slowly Visibility: 35 miles, hazy 6-hr Max temp: 89F 6-hr Min temp: 70F 6-hr Precip: 0.00 ins. BHO SA 1755 50 BKN 100 BKN 35 183/87/64/2012G16/006/ HAZY/ 8/250 58015 10089 20070 SUMMARY FOR SATURDAY, AUGUST 8, 2020 TEMPERATURE (DEGREES F) MAX.....79   NORMAL.....80 MIN.....65   NORMAL.....63 MEAN....72   NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL.................+2 TOTAL DEPARTURE FOR THE MONTH.................+38 [+4.6 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY..................9  DEPARTURE.......+2 TOTAL COOLING UNITS FOR THE MONTH.................94  DEPARTURE......+37 TOTAL COOLING UNITS FOR THE SEASON...............581  DEPARTURE.....+173 TOTAL COOLING UNITS LAST SEASON TO DATE..........479  DEPARTURE.....+102 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................20 S   AT  9:28 P.M.                      AERO.........................20 S   AT  9:30 P.M.                    ASOS.........................20 SSW AT  9:32 P.M.                    DAVIS........................19 NE  AT  1:18 P.M                    RMY 19  MERLIN 19 FASTEST MILE FOR YESTERDAY......................15 S   AT  9:34 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................15 S   AT  9:32 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................14 ENE AT  1:18 P.M. AVERAGE WIND SPEED AND DIRECTION...............7.0 E                               ASOS........................7.3                    DAVIS.......................7.2 ESE [121 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.14                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.23  DEPARTURE......-0.95                          ASOS..............0.23 TOTAL PRECIPITATION FOR THE YEAR..........29.30  DEPARTURE......-2.87                          ASOS.............30.04 PRELIMINARY CLIMATE SUMMARY FOR JULY 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 07/01  76/63/70/0/0.00/228/25              16 E    AERO 14 E    RMY 14  TSTM 07/02  86/61/74/+4/0.00/803/88            30 WSW  AERO 25 WSW  RMY 33 07/03  73/60/67/-4/0.00/091/10             30 NE   AERO 28 NE   RMY 30 07/04  79/60/70/-1/0.00/565/62             16 S    AERO 16 S    RMY 16 07/05  83/63/73/+2/0.54/373/41             24 NW   AERO 30 NW   RMY 26  TSTM 07/06  73/60/67/-4/0.00/482/53             20 ENE  AERO 16 NNE  RMY 18 07/07  78/60/69/-2/0.00/454/50             25 S    AERO 25 S    RMY 26 07/08  83/64/74/+2/0.00/227/25             32 SSW  AERO 32 SSW  RMY 32 07/09  89/70/80/+8/0.00/834/92             24 S    AERO 23 S    RMY 22 07/10  83/70/77/+5/0.05/109/12             30 SSE  AERO 32 SSE  RMY N/A 07/11  85/70/78/+6/0.00/614/68             39 S    AERO 39 S    RMY 38 07/12  86/70/78/+6/0.00/830/92             28 WSW  AERO 28 WSW  RMY 29 07/13  82/69/76/+4/0.23/306/34             30 SSE  AERO 31 SSE  RMY 30  TSTM 07/14  78/63/71/-1/0.00/369/41             26 ENE  AERO 25 ENE  RMY 26   07/15  72/59/66/-6/0.00/539/60             21 NE   AERO 21 NE   RMY N/A 07/16  73/57/65/-7/0.00/815/91             21 E    AERO 21 E    RMY 19 07/17  71/57/64/-8/0.19/027/03             24 SSW  AERO 24 SSW  RMY 25 07/18  89/66/78/+6/0.00/822/92             18 W    AERO 17 W    RMY 19 07/19  92/69/81/+9/0.00/722/81             28 S    AERO 28 S    RMY 26 07/20  91/72/82/+10/T/481/54               25 SSW  AERO 25 SSW  RMY N/A 07/21  88/68/78/+6/0.00/799/90             25 W    AERO 25 W    RMY 24 07/22  80/67/74/+2/..../275/31             16 ENE  AERO M  M    RMY 16 07/23  88/68/78/+6/0.48/203/23             31 N    AERO 32 N    RMY 31  TSTM 07/24  81/68/75/+3/0.00/476/54             15 ENE  AERO 15 ENE  RMY 16 07/25  88/67/78/+6/0.00/845/96             18 W    AERO 18 WNW  RMY N/A 07/26  89/70/80/+8/0.00/632/72             27 W    AERO 28 W    RMY 27 07/27  94/72/83/+11/0.00/823/94            23 SW   AERO 25 SW   RMY N/A 07/28  95/74/85/+13/0.01/.../..            28 WSW  AERO 25 WSW  RMY 25 07/29  90/68/79/+7/0.00/.../..             23 SSW  AERO 25 SSW  RMY 24 07/30  88/71/80/+8/0.00/.../..             29 W    AERO 28 W    RMY 29   07/31  84/69/77/+5/0.00/.../..             14 ENE  AERO 14 ENE  RMY 15 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  The low since midnight is 65F, the daily normal low is 63F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR AUGUST 9 HIGH 100F IN 1949 LOW 49F IN 1899 PRE 2.65 INS IN 1976 PEAK GUST 90 MPH SW IN 1968 RECORDS FOR AUGUST 10 HIGH 101F IN 1949 [STATION RECORD MAXIMUM - Tied with 8/2/1975] LOW 49F IN 1964 PRE 2.27 INS IN 1952 PEAK GUST 88e MPH S IN 1976 TODAY'S REPORT PREPARED BY: Benjamin Turner