BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA THURSDAY, OCTOBER 1, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME CLEARER THIS MORNING BECOMING MOSTLY CLOUDY IN THE AFTERNOON HOURS.... Following an eventful day wind-wise, the observatory was relatively quiet today. Clouds were very few this morning, increasing to almost overcast in the afternoon hours. Wind has stayed tame, at barely 15 mph from the south. The max wind as of yet is 27 mph. Pressure is steady for the most part, dropping ever so slightly after noontime. Despite some late-month rainfall, we are still under the influence of a severe drought, with some parts of the region in extreme drought. The rainfall total for September is 1.61 inches, but this is still 2.45 inches below normal. For the year to date, we are still more than 4.50" below normal. The high so far today is 74F, 8 degrees above the daily normal max of 66F. The low since midnight is 56F, which is 7 degrees above the normal low of 49F. Today's Observations: 7 A.M. Weather: Few altostratus Temperature: 58F; Dew Point: 53F; Relative Humidity: 82% Wind: SSW at 13 kts   Sea-level pressure: 29.88 ins. Hg: falling, then rising Visibility: 65 miles 6-hr Max temp: 58F 6-hr Min temp: 56F 24-hr Precip: 0.11 ins. BHO SA 1155 CLR 65 118/58/53/2013/988/ FEW AS ALQDS/ 8/020 50000 10058 20056 10 A.M. Weather: Scattered altocumulus and cirrostratus Temperature: 70F; Dew Point: 53F; Relative Humidity: 54% Wind: S at 10G16 kts Sea-level pressure: 29.89 ins. Hg: rising, then more slowly Visibility: 75 miles 3-hr Precip: 0.00 ins. BHO SA 1455 110 SCT 250 SCT 75 120/70/53/1810G16/989/ 8/058 51002 1 P.M. Weather: Broken cumulus/stratocumulus and altocumulus Temperature: 71F; Dew Point: 55F; Relative Humidity: 56% Wind: S at 8 kts Sea-level pressure: 29.87 ins. Hg: falling steadily Visibility: 75 miles 6-hr Max temp: 74F 6-hr Min temp: 58F 6-hr Precip: 0.00 ins. BHO SA 1755 55 BKN 80 BKN 75 112/71/55/1908/987/ 8/850 58006 10074 20058 SUMMARY FOR WEDNESDAY, SEPTEMBER 30, 2020 TEMPERATURE (DEGREES F) MAX.....72   NORMAL.....67 MIN.....56   NORMAL.....49 MEAN....64   NORMAL.....58 DEPARTURE FROM 30-YEAR NORMAL................+6 TOTAL DEPARTURE FOR THE MONTH................+33 [+0.9 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY............. 1  DEPARTURE..... -7 TOTAL HEATING UNITS FOR THE MONTH.............95  DEPARTURE.....-15 TOTAL HEATING UNITS FOR THE SEASON............98  DEPARTURE.....-37 TOTAL HEATING UNITS LAST SEASON TO DATE.......93  DEPARTURE.....+13 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY............. 4  DEPARTURE..... -1                   TOTAL COOLING UNITS FOR THE MONTH............ 73  DEPARTURE.....+13 TOTAL COOLING UNITS FOR THE SEASON...........830  DEPARTURE....+233 TOTAL COOLING UNITS LAST SEASON TO DATE......680  DEPARTURE....+150 PEAK WIND GUST FOR YESTERDAY (MPH)                    420C/Official................71 S   AT  6:48 A.M.                      AERO.........................88 S   AT  6:44 A.M.                    ASOS.........................72 S   AT  6:39 A.M.                    DAVIS........................71 S   AT  6:39 A.M.                    RMY N/A  MERLIN N/A FASTEST MILE FOR YESTERDAY......................52 S   AT  5:52 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE...................47 S   AT  6:50 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE..................46 S   AT  5:48 A.M. AVERAGE WIND SPEED AND DIRECTION..............20.8 S (500 total miles)                            ASOS.......................19.5                    DAVIS......................19.7 SW [221 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.11  DEPARTURE....-0.04                          ASOS..............0.10 TOTAL PRECIPITATION FOR THE MONTH..........1.61  DEPARTURE....-2.45                          ASOS..............1.64 TOTAL PRECIPITATION FOR THE YEAR..........34.42  DEPARTURE....-4.66                          ASOS.............35.22 PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 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 09/01  76/59/68/0/0.00/698/88              22 SSE  AERO 21 SE   RMY 20 09/02  69/59/64/-4/0.18/102/13             23 SSE  AERO 23 SSE  RMY 24 09/03  75/66/71/+4/0.04/000/00             22 SSW  AERO 21 SSW  RMY N/A 09/04  82/62/72/+5/0.00/763/98             26 WNW  AERO 26 WNW  RMY 25 09/05  76/55/66/-1/0.00/760/98             25 W    AERO 25 W    RMY 24 09/06  78/58/68/+1/0.00/356/46             24 W    AERO 24 W    RMY N/A 09/07  79/61/70/+4/0.00/632/82             27 SSE  AERO 30 SSE  RMY 28 09/08  82/61/72/+6/0.00/545/71             17 S    AERO 16 S    RMY 17 09/09  80/62/71/+5/0.00/214/28             16 S    AERO 15 S    RMY 16 09/10  81/69/75/+10/0.28/015/02            21 SSW  AERO 21 SSW  RMY N/A 09/11  72/55/64/-1/0.01/152/20             25 N    AERO 25 N    RMY N/A 09/12  68/51/60/-5/0.00/666/88             21 ENE  AERO 21 ENE  RMY 21 09/13  74/53/64/0/0.00/611/81              26 SSW  AERO 26 SSW  RMY 26 09/14  74/50/62/-2/0.00/511/68             29 NNW  AERO 33 NNW  RMY 30 09/15  64/44/54/-10/0.00/583/78            18 S    AERO 18 S    RMY N/A 09/16  72/49/61/-2/0.00/603/81             31 SSW  AERO 31 SSW  RMY 31 09/17  76/57/67/+4/0.00/453/61             26 WSW  AERO 28 W    RMY N/A 09/18  64/48/56/-6/0.00/163/22             28 NE   AERO 30 NNW  RMY N/A 09/19  59/42/51/-11/0.00/722/98            23 N    AERO 23 N    RMY N/A 09/20  58/40/49/-13/0.00/602/82            25 NE   AERO 25 NE   RMY 27 09/21  61/41/51/-10/0.00/.../..            29 NE   AERO 27 NE   RMY 29 09/22  63/39/51/-10/0.00/.../..            28 NNW  AERO 30 NNW  RMY 29 09/23  78/50/64/+4/0.00/.../..             31 NW   AERO 32 WNW  RMY 32 09/24  76/57/67/+7/0.00/.../..             20 SW   AERO 18 WSW  RMY 19 09/25  77/57/67/+7/0.00/.../..             18 ENE  AERO 18 WSW  RMY N/A 09/26  77/57/67/+8/0.00/.../..             21 S    AERO 21 S    RMY 21 09/27  79/64/72/+13/0.01/.../..            24 S    AERO 25 S    RMY 24 09/28  78/64/71/+13/0.07/.../..            24 SSE  AERO 24 S    RMY 25 09/29  76/62/69/+11/0.01/.../..            30 S    AERO 30 S    RMY N/A 09/30  72/56/64/+6/1/1.01/.../..           71 S    AERO 88 S    RMY N/A 10/01 The low since midnight is 61F, the daily normal low is 49F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR OCTOBER 1 HIGH 85F IN 1927 LOW 30F IN 1992 PRECIP 1.63 INCHES IN 2014 PEAK GUST 68e MPH SSE IN 1977 RECORDS FOR OCTOBER 2 HIGH 85F IN 1968 LOW 29F IN 1899 PRECIP 1.75 INCHES IN 1984 PEAK GUST 52e MPH S IN 1952, 52 NNW IN 1984 TODAY'S REPORT PREPARED BY: Benjamin Turner