BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, OCTOBER 24, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME WARMER THAN NORMAL TEMPERATURES CONTINUE DESPITE A MAINLY CLOUDY SKY TODAY... There was a brief period of sun this morning sandwiched between cloudy stretches. Despite all the cloud cover, temperatures have been able to reach the mid to upper 60s. With light winds, it's making for a delightful day to be outdoors. A cold front is approaching the area however and virga could be seen off to the west and northwest at the 1 P.M. observation. This band of "rainfall" has since dried up before reaching the Observatory, however it is the leading edge of a much cooler air mass that will overspread the region tonight and tomorrow. The high so far today is 68F, 10 degrees above the daily normal minimum of 58F. The low since midnight is 53F, 13 degrees above the normal low of 40F. Today's Observations: 7 A.M. Weather: Scattered stratocumulus, thin scattered cirrus Temperature: 55F; Dew Point: 53F; Relative Humidity: 93% Wind: S at 8 kts Sea-level pressure: 29.95 ins. Hg: falling, then more slowly Visibility: 20, thin fog 6-hr Max temp: 55F 6-hr Min temp: 53F 24-hr Precip: 0.00 ins. BHO SA 1155 30 SCT 250 -SCT 20 142/55/53/1808/995/ THN F ALQDS/ 8/501 57019 10055 20053 10 A.M. Weather: Overcast Stratocumulus, breaks in overcast distant ESE-SSE Temperature: 63; Dew Point: 54F; Relative Humidity: 72% Wind: SW at 8 kts Sea-level pressure: 29.91 ins. Hg: falling, then more rapidly Visibility: 25 miles, hazy 3-hr Precip: 0.00 ins. BHO SA 1455 E20 OVC 25 128/63/54/2308/991/ BINOVC DSNT ESE-SSE HAZY/ 8/5// 58014 1 P.M. Weather: Scattered stratocumulus, overcast stratocumulus, breaks in overcast NE-S, higher clouds visible NE-S Temperature: 67F; Dew Point: 57F; Relative Humidity: 70% Wind: SW at 7 kts Sea-level pressure: 29.86 ins. Hg: falling, then more rapidly Visibility: 30 miles, hazy 6-hr Max temp: 68F 6-hr Min temp: 55F 6-hr Precip: 0.00 inches BHO SA 1755 20 SCT E 35 OVC 30 113/67/57/2207/986/ BINOVC NE-S HIR CLDS VSBL NE-S VIRGA DSNT W-NW HAZY/ 8/581 58015 10068 20055 SUMMARY FOR FRIDAY, OCTOBER 23, 2020 TEMPERATURE (DEGREES F) MAX.....68   NORMAL.....58 MIN.....52   NORMAL.....40 MEAN....60   NORMAL.....49 DEPARTURE FROM 30-YEAR NORMAL................+11 TOTAL DEPARTURE FOR THE MONTH................+92 [+3.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY............. 5  DEPARTURE.....-11 TOTAL HEATING UNITS FOR THE MONTH............186  DEPARTURE.....-97 TOTAL HEATING UNITS FOR THE SEASON...........284  DEPARTURE....-141 TOTAL HEATING UNITS LAST SEASON TO DATE......354  DEPARTURE.....-70 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY............. 0  DEPARTURE...... 0                   TOTAL COOLING UNITS FOR THE MONTH............. 1  DEPARTURE..... -4 TOTAL COOLING UNITS FOR THE SEASON...........831  DEPARTURE....+229 TOTAL COOLING UNITS LAST SEASON TO DATE......682  DEPARTURE....+149 PEAK WIND GUST FOR YESTERDAY (MPH)                    420C/Official...............18 ESE AT   7:09 P.M.                      AEROVANE (south tower)......18 ESE AT   7:10 P.M.                    ASOS........................18 SE  AT   7:11 P.M                    DAVIS #1....................19 SE  AT   7:10 P.M                    DAVIS #2 (south tower)......18 ESE AT   7:10 P.M                    RMY.........................18                    MERLIN......................18 FASTEST MILE FOR YESTERDAY.....................14 ESE AT   6:11 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE..................15 ESE AT   6:11 P.M MAXIMUM 2-MINUTE DAVIS #1 AVERAGE..............15 ESE AT   6:11 P.M MAXIMUM 2-MINUTE DAVIS #2 AVERAGE..............14 ESE AT   6:12 P.M AVERAGE WIND SPEED AND DIRECTION............. 6.3 ENE  [150 total miles]                            ASOS...................... 6.7                    DAVIS #1.................. 6.9 ESE  [112 deg.]                    DAVIS #2.................. 6.8 ESE  [105 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..........4.20  DEPARTURE....+0.76                          ASOS..............4.18 TOTAL PRECIPITATION FOR THE YEAR..........38.62  DEPARTURE....-3.90                          ASOS.............39.39 PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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 10/01  75/56/66/+9/0.00/591/84             28 SW   AERO 28 SW   RMY N/A 10/02  63/49/56/-1/0.02/203/29             20 NW   AERO 21 NW   RMY 20 10/03  65/45/55/-1/0.00/676/97             19 WNW  AERO 19 WNW  RMY 19 10/04  65/45/55/-1/0.00/659/95             17 ESE  AERO 18 ESE  RMY 18 10/05  62/52/57/+1/0.00/277/40             17 ENE  AERO 17 ENE  RMY N/A 10/06  69/51/60/+5/0.00/503/73             28 S    AERO 28 S    RMY 29 10/07  73/50/62/+7/0.14/316/46             76 W    AERO 74 W    RMY 70  TSTM 10/08  61/42/52/-2/0.00/676/99             41 W    AERO 41 W    RMY N/A 10/09  60/37/49/-5/0.00/646/95             25 SSW  AERO 28 SSW  RMY N/A 10/10  75/52/64/+10/0.00/549/81            40 SSW  AERO 40 SSW  RMY 38 10/11  64/47/56/+3/0.00/574/85             32 NNW  AERO 35 NNW  RMY N/A 10/12  52/48/50/-3/T/000/00                28 E    AERO 27 E    RMY N/A 10/13  57/49/53/0/1.74/.../..              32 E    AERO 33 E    RMY N/A 10/14  67/47/57/+5/0.00/.../..             23 WNW  AERO 25 WNW  RMY N/A 10/15  71/50/61/+9/0.00/.../..             43 S    AERO 46 S    RMY 42 10/16  68/48/58/+7/1.00/.../..             28 S    AERO 30 S    RMY N/A 10/17  56/39/48/-3/1.24/.../..             35 WNW  AERO 40 WNW  RMY 37 10/18  60/46/53/+2/0.00/.../..             20 ESE  AERO 21 ESE  RMY 20 10/19  61/46/54/+4/0.00/.../..             16 ESE  AERO 16 SSE  RMY N/A 10/20  66/49/58/+8/0.00/.../..             22 S    AERO 22 S    RMY 22 10/21  71/56/64/+14/0.06/.../..            26 SSW  AERO 26 SSW  RMY 26 10/22  70/54/62/+13/0.00/.../..            18 SSW  AERO 17 SSW  RMY N/A 10/23  68/52/60/+11/0.00/.../..            18 ESE  AERO 18 ESE  RMY 18 10/24 The low since midnight is 53, the daily normal low is 40F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated):   RECORDS FOR OCTOBER 24 HIGH 79F IN 1963 LOW 22F IN 1969 PRECIP 2.96 INCHES IN 1890 SNOWFALL 1.8 INCHES IN 1960 PEAK GUST 70 MPH SE IN 1959 RECORDS FOR OCTOBER 25 HIGH 81F IN 1963 LOW 26F IN 1922,1939 PRECIP 2.45 INCHES IN 2005 SNOWFALL 1.2 INCHES IN 1960 PEAK GUST 72 MPH ESE IN 1980 TODAY'S REPORT PREPARED BY: Matt Douglas