BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, AUGUST 8, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME A DRY DAY WITH VERY FEW CLOUDS IN THE AFTERNOON.... Today was fair, with the humidity dipping down to 35% by the 1 P.M. observation. We started off mostly cloudy, but skies cleared up significantly as the day went on. Wind has been light and northeasterly, making for a cool ocean breeze in conjunction with a dryer than normal summer day. Pressure was on the rise this morning, but has began to drop off slightly since 11 A.M. Visibility also reached 70 miles, which is much more than what the visibility has been in the preceding days. Great day for a tour! We're open until 4 P.M.   The high so far today is 83F, which is 3 degrees below the daily normal high of 80F. The low since midnight is 64F, which is a degree 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 stratocumulus, broken altocumulus and cirrostratus Temperature: 68F; Dew Point: 62F; Relative Humidity: 80% Wind: NE at 4 kts, wind light and variable Sea-level pressure: 30.19 ins. Hg: Rising steadily Visibility: 40 miles 6-hr Max temp: 68F 6-hr Min temp: 64F 24-hr Precip: Trace BHO SA 1155 55 SCT 130 BKN 220 BKN 40 224/68/62/0604/019/ WND L/V/ 8/855 53011 10068 20064 10 A.M. Weather: Scattered stratocumulus, broken Altocumulus /Altostratus Temperature: 74; Dew Point: 58F; Relative Humidity: 58% Wind: ENE at 4 kts (wind light and variable) Sea-level pressure: 30.21 ins. Hg: rising steadily Visibility: 50 miles 3-hr Precip: 0.00 ins. BHO SA 1455 50 SCT 130 BKN 50 230/74/58/0704/021/ WND L/V/ 8/850 53006 1 P.M. Weather: Few cumulus and cirrostratus Temperature: 82F; Dew Point: 54F; Relative Humidity: 38% Wind: ENE at 7 kts Sea-level pressure: 30.16 ins. Hg: falling, then more slowly Visibility: 70 miles 6-hr Max temp: 83F 6-hr Min temp: 68F 6-hr Precip: 0.00 ins. BHO SA 1755 CLR 70 215/82/54/0307/016/ FEW CU/CS ALQDS/ 8/108 56015 10083 20068 SUMMARY FOR FRIDAY, AUGUST 7, 2020 TEMPERATURE (DEGREES F) MAX.....79   NORMAL.....81 MIN.....65   NORMAL.....63 MEAN....72   NORMAL.....72 DEPARTURE FROM 30-YEAR NORMAL..................0 TOTAL DEPARTURE FOR THE MONTH.................+36 [+4.9 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY..................7  DEPARTURE.......0 TOTAL COOLING UNITS FOR THE MONTH.................85  DEPARTURE......+35 TOTAL COOLING UNITS FOR THE SEASON...............572  DEPARTURE.....+171 TOTAL COOLING UNITS LAST SEASON TO DATE..........468  DEPARTURE.....+104 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY....................16 NE  AT 12:30 P.M.                      AERO.........................16 ENE AT 12:28 P.M.                    ASOS.........................16 ENE AT  7:00 A.M.                    DAVIS........................17 ENE AT  5:14 A.M                    RMY N/A  MERLIN N/A FASTEST MILE FOR YESTERDAY......................13 E   AT 12:30 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................13 E   AT  7:00 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................14 E   AT  9:37 P.M. AVERAGE WIND SPEED AND DIRECTION...............8.1 NE                               ASOS........................8.4                    DAVIS.......................8.7 ENE [75 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M...Trace  DEPARTURE......-0.14                          ASOS..............0.00 TOTAL PRECIPITATION FOR THE MONTH..........0.23  DEPARTURE......-0.81                          ASOS..............0.23 TOTAL PRECIPITATION FOR THE YEAR..........29.30  DEPARTURE......-2.73                          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  The low since midnight is 64F, 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 8 HIGH 93F IN 1909,1949 LOW 47F IN 1903 PRECIP 3.08 INCHES IN 1976 PEAK GUST 45 MPH WNW IN 1958 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 TODAY'S REPORT PREPARED BY: Benjamin Turner