BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA THURSDAY, AUGUST 6, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME MOSTLY CLOUDY IN THE AFTERNOON HOURS, WARM YET DRY.... The summit of Blue Hill experienced a nice summer day, with good visibility and dew points in the mid to upper 50's. Wind has been on the lighter side for most of the day, only reaching 15 mph from the west this morning. Visibility was 70 miles on average, and weather was almost overcast with a thin cirrostratus layer at the 1 P.M. observation.   The high so far today is 83F, which is 2 degrees above the daily normal high of 81F. 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 AND WSW [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: 69F; Dew Point: 55F; Relative Humidity: 60% Wind: NW at 7 kts Sea-level pressure: 30.13 ins. Hg: Rising steadily Visibility: 65 miles 6-hr Max temp: 69F 6-hr Min temp: 65F 24-hr Precip: 0.00 ins. BHO SA 1155 70 SCT 250 SCT 70 203/69/55/3107/013/ 8/058 51011 10069 20065 10 A.M. Weather: Broken altocumulus and cirrostratus Temperature: 78F; Dew Point: 54F; Relative Humidity: 44% Wind: W at 7 kts   Sea-level pressure: 30.15 ins. Hg: rising steadily Visibility: 70 miles 3-hr Precip: 0.00 ins. BHO SA 1455 120 BKN 250 BKN 70 209/78/54/2707/015/ 8/078 53006 1 P.M. Weather: Scattered cumulus, broken cirrostratus Temperature: 82F; Dew Point: 59F; Relative Humidity: 46% Wind: W at 5 kts, light Sea-level pressure: 30.12 ins. Hg: falling steadily Visibility: 65 miles 6-hr Max temp: 83F 6-hr Min temp: 69F 6-hr Precip: 0.00 ins. BHO SA 1755 50 SCT 250 BKN 65 200/82/59/2605/012/ SUN DMLY VSBL WND LGT/ 8/108 56009 10083 20069 SUMMARY FOR WEDNESDAY, AUGUST 5, 2020 TEMPERATURE (DEGREES F) MAX.....90   NORMAL.....81 MIN.....68   NORMAL.....63 MEAN....79   NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL.................+7 TOTAL DEPARTURE FOR THE MONTH.................+33 [+6.4 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY.................14  DEPARTURE......+7 TOTAL COOLING UNITS FOR THE MONTH.................68  DEPARTURE......+32 TOTAL COOLING UNITS FOR THE SEASON...............555  DEPARTURE.....+168 TOTAL COOLING UNITS LAST SEASON TO DATE..........453  DEPARTURE.....+102 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................28 SW  AT  3:02 P.M.                      AERO.........................30 SW  AT  2:36 P.M.                    ASOS.........................29 SW  AT  3:05 P.M.                    DAVIS........................29 SW  AT  3:04 P.M                    RMY 29  MERLIN 29 FASTEST MILE FOR YESTERDAY......................22 SW  AT  3:06 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................22 SW  AT  3:06 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................22 SW  AT  3:06 P.M. AVERAGE WIND SPEED AND DIRECTION..............11.4 SW                               ASOS.......................11.0                    DAVIS......................11.3 WSW [238 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.00  DEPARTURE......-0.15                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.23  DEPARTURE......-0.52                          ASOS..............0.23 TOTAL PRECIPITATION FOR THE YEAR..........29.30  DEPARTURE......-2.44                          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  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 6 HIGH 95F IN 1931 LOW 48F IN 1934 PRECIP 1.47 INCHES IN 1995 PEAK GUST 44e MPH SSW IN 1940 RECORDS FOR AUGUST 7 HIGH 95F IN 1924 LOW 51F IN 2004 PRECIP 3.32 INCHES IN 1926 PEAK GUST 51 MPH NE 1975 TODAY'S REPORT PREPARED BY: Benjamin Turner