Wednesday, November 11, 2020

| November 12, 2020 | Reply

BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

WEDNESDAY, NOVEMBER 11, 2020
ALL TIMES ARE IN EASTERN STANDARD TIME

OVERCAST AND WARM WITH RAIN IN THE AFTERNOON….

The big story of the last few days has certainly been
the warmth that has overspread the region. We exceeded
the record for today, by reaching 73F by the 1 P.M.
observation. The previous record was 68F, set in 1984.

The previous days records are as follows…

11/06/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 72F,
BREAKS PREVIOUS RECORD OF 71F SET IN 1959 AND 2015

11/07/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 75F,
TIES PREVIOUS RECORD OF 75F SET IN 1938

11/08/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 73F,
BREAKS PREVIOUS RECORD OF 72F SET IN 1938

11/09/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 74F,
BREAKS PREVIOUS RECORD OF 72F SET IN 1975

Today was overcast with rain beginning in the mid-afternoon
hours, but it was very light and left only a trace.

The maximum temperature so far today is 73 degrees, this
is 21 degrees above the normal high of 52 degrees. The
minimum temperature since midnight has been 58 degrees,
this is 23 degrees above the normal low of 35 degrees.

Today’s Observations:

7 A.M.
Weather: Broken stratus
Temperature: 60F; Dew Point: 59F; Relative Humidity: 96%
Wind: SSW at 15G23 kts
Sea-level pressure: 30.06 ins. Hg: falling, then rising
Visibility: 35 miles, thin fog all quadrants
6-hr Max temp: 60F
6-hr Min temp: 58F
24-hr Precip: 0.00 ins.
24-hr Snow: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 20 OVC 35 178/60/59/2115G23/006/ THN FG ALQDS/
8/6// 58007 10060 20058

10 A.M.
Weather: Broken stratus
Temperature: 68F; Dew Point: 63F; Relative Humidity: 84%
Wind: SSW at 15G25 kts
Sea-level pressure: 30.05 ins. Hg: falling, then more rapidly
Visibility: 65 miles
3-hr Precip: 0.00 ins.
3-hr Snow: 0.0 ins.
BHO SA 1455 20 BKN 65 175/68/63/2115G25/005/ 8/6// 58003

1 P.M.
Weather: Broken stratus, altocumulus, overcast cirrostratus
Temperature: 70F; Dew Point: 61F; Relative Humidity: 73%
Wind: SW at 18G32 kts, peak of 40 mph at 12:14 P.M.
Sea-level pressure: 30.00 ins. Hg: falling, then more slowly
Visibility: 65 miles
6-hr Max temp: 73F
6-hr Min temp: 60F
6-hr Precip: 0.00 ins.
6-hr Snow: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 20 BKN 65 BKN 220 OVC 65 160/70/61/2218G32/000/
PK WND 2434/14/ 8/678 58015 10073 20060

SUMMARY FOR TUESDAY, NOVEMBER 10, 2020

TEMPERATURE (DEGREES F)
MAX…….74   NORMAL…..52
MIN…….53   NORMAL…..35
MEAN……64   NORMAL…..44

DEPARTURE FROM 30-YEAR NORMAL……………….+20
TOTAL DEPARTURE FOR THE MONTH……………….+86 [+8.4 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………….1  DEPARTURE……-20
TOTAL HEATING UNITS FOR THE MONTH…………..114  DEPARTURE……-86
TOTAL HEATING UNITS FOR THE SEASON………….566  DEPARTURE…..-197
TOTAL HEATING UNITS LAST SEASON TO DATE……..669  DEPARTURE…..-103

PEAK WIND GUST FOR YESTERDAY (MPH):
420C/Official…………..30 SW   AT 10:45 A.M.
AEROVANE (south tower)…..28 SW   AT 11:07 A.M.
ASOS…………………..32 SW   AT 10:45 A.M.
DAVIS #1……………….32 WSW  AT  6:45 A.M.
DAVIS #2 (south tower)…..30 WSW  AT 10:48 A.M.
MERLIN…………………29
RMY……………………31
VECTOR…………………34

FASTEST MILE FOR YESTERDAY:
CONTACTING/OFFICIAL………………………..23 SW   AT  1:19 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………….21 SW   AT  1:19 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………21 WSW  AT  1:20 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………23 SW   AT  1:17 P.M.

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL…….13.9 SW  [334 total miles]
DAVIS #1………………13.9 SW  [334 total miles]
DAVIS #2 (south tower)….14.6 SW  [350 total miles]
ASOS………………….13.7     [329 total miles]
VECTOR………………..14.2     [341 total miles]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…….0.00  DEPARTURE….-0.16
ASOS………….0.00
TOTAL PRECIPITATION FOR THE MONTH………….0.69  DEPARTURE….-0.87
ASOS………….0.71
TOTAL PRECIPITATION FOR THE YEAR………….41.86  DEPARTURE….-3.47
ASOS………..42.66

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HOURS ENDING 7 A.M………..0.0  DEPARTURE….. 0.0
TOTAL SNOWFALL FOR THE MONTH……………..Trace  DEPARTURE…..-0.3
TOTAL SNOWFALL FOR THE SEASON………………6.5  DEPARTURE…..+5.9

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  57/49/53/0/1.74/000/00            32 E     AERO 33 E    RMY N/A
10/14  67/47/57/+5/0.00/606/91           23 WNW   AERO 25 WNW  RMY N/A
10/15  71/50/61/+9/0.00/511/77           43 S     AERO 46 S    RMY 42
10/16  68/48/58/+7/1.00/020/03           28 S     AERO 30 S    RMY N/A
10/17  56/39/48/-3/1.24/480/73           35 WNW   AERO 40 WNW  RMY 37
10/18  60/46/53/+2/0.00/622/95           20 ESE   AERO 21 ESE  RMY 20
10/19  61/46/54/+4/0.00/575/88           16 ESE   AERO 16 SSE  RMY N/A
10/20  66/49/58/+8/0.00/065/10           22 S     AERO 22 S    RMY 22
10/21  71/56/64/+14/0.06/000/00          26 SSW   AERO 26 SSW  RMY 26
10/22  70/54/62/+13/0.00/471/73          18 SSW   AERO 17 SSW  RMY N/A
10/23  68/52/60/+11/0.00/340/53          18 ESE   AERO 18 ESE  RMY 18
10/24  68/42/55/+6/0.00/217/34           32 NNW   AERO 32 NNW  RMY 32
10/25  50/40/45/-4/0.00/134/21           19 NNW   AERO 19 NNW  RMY N/A
10/26  52/43/48/0/0.02/000/00            20 E     AERO 18 ESE  RMY 20
10/27  52/43/48/0/T/038/06               22 NNW   AERO 22 NNW  RMY N/A
10/28  49/42/46/-2/0.33/000/00           18 W     AERO 18 W    RMY 18
10/29  46/41/44/-3/1.26/000/00           39 NE    AERO 38 NE   RMY 38
10/30  41/26/34/-13/0.94/000/00          37 NNE   AERO 44 NNE  RMY N/A
10/31  39/24/32/-15/0.00/596/96          18 SSE   AERO 20 SSE  RMY 17

PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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

11/01   49/36/43/-3/0.69/0.0/…/..      38 W     AERO 40 W    RMY 39
11/02   40/31/36/-10/T/T/…/..          61 WNW   AERO 62 WNW  RMY 62
11/03   43/29/36/-10/0.00/0.0/…/..     48 WNW   AERO 53 WNW  RMY 48
11/04   54/30/42/-3/0.00/0.0/…/..      30 SSW   AERO 30 SSW  RMY 30
11/05   69/49/59/+14/0.00/0.0/…/..     37 SSW   AERO 40 SSW  RMY 38
11/06   72/55/64/+19/0.00/0.0/…/..     28 SW    AERO 28 SW   RMY M
11/07   75/54/65/+20/0.00/0.0/…/..     21 WSW   AERO 21 WSW  RMY 21
11/08   73/54/64/+20/0.00/0.0/…/..     18 W     AERO 18 W    RMY 19
11/09   74/52/63/+19/0.00/0.0/…/..     20 WSW   AERO 18 WSW  RMY 21
11/10   74/53/64/+20/0.00/0.0/…/..     30 SW    AERO 28 SW   RMY 31

11/11 The low since midnight is 54F, the daily normal low is 35F

DAILY RECORDS FOR NOVEMBER 2020

11/06/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 72F,
BREAKS PREVIOUS RECORD OF 71F SET IN 1959 AND 2015

11/07/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 75F,
TIES PREVIOUS RECORD OF 75F SET IN 1938

11/08/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 73F,
BREAKS PREVIOUS RECORD OF 72F SET IN 1938

11/09/20: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 74F,
BREAKS PREVIOUS RECORD OF 72F SET IN 1975

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR NOVEMBER 11
HIGH 68 IN 1984
LOW 17 IN 1956
PRECIP 1.14 INCHES IN 1991
SNOWFALL 2.5 IN 1986
PEAK GUST 64 NW IN 1962

RECORDS FOR NOVEMBER 12
HIGH 74 IN 1909
LOW 18 IN 1926
PRECIP 3.25 INCHES IN 1947
SNOWFALL 8.1 INCHES IN 1987
PEAK GUST 79e MPH NW IN 1947

TODAY’S REPORT PREPARED BY: Benjamin Turner

Category: Daily Discussions

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