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Monday, November 2, 2020

November 2, 2020

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, NOVEMBER 2, 2020 ALL TIMES ARE…

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

MONDAY, NOVEMBER 2, 2020
ALL TIMES ARE IN EASTERN STANDARD TIME

WINDY AND COLD WITH OCCASIONAL FLURRIES TODAY….

A rather potent cold front came through last night bringing
with it a period of heavy rain and gusty winds. Rainfall
from yesterday totaled 0.69″ with a peak gust of 38 mph
when the front came through around 10 P.M.

The passage of the front has left the region in a rather
cold air mass for this time of year in its wake. Today
we’ve seen more clouds than sun with very gusty winds.
Winds have been gusting consistently over 40 mph since
mid-morning with a peak gust of 60 mph occurring at 11:22 A.M.

In addition to the wind and clouds, passing flurries have
been observed throughout the day.

The high so far today is 40F, which is 15 degrees below the
daily normal maximum of 55F. The low since midnight is 32F,
which is 5 degrees below the daily normal minimum of 37F.

Today’s Observations:

7 A.M.
Weather: Clear, few stratocumulus distant all quadrants,
few altocumulus distant SW-NW
Temperature: 33F; Dew Point: 26F; Relative Humidity: 75%
Wind: W at 15G21 kts
Sea-level pressure: 29.52 ins. Hg: rising, then more rapidly
Visibility: 60 miles
6-hr Max temp: 40F
6-hr Min temp: 32F
24-hr Precip: 0.69 ins.
24-hr Snow: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 CLR 60 997/33/26/2615G21/952/ FEW SC DSNT ALQDS
FEW AC DSNT SW-NW/ 8/530 53005 70069 10040 20032

10 A.M.
Weather: Overcast stratocumulus
Temperature: 39F; Dew Point: 25F; Relative Humidity: 57%
Wind: WNW at 23G34 kts, peak wind WNW 34 kts at 10:47 A.M.
Sea-level pressure: 29.51 ins. Hg: steady then falling
Visibility: 60 miles
3-hr Precip: Trace
3-hr Snow: Trace
BHO SA 1455 E40 OVC 60 993/39/25/2923G34/951/ FEW BINOVC ALQDS
VSBY 20 WNW-NW SNW SHWR NW MVG SE SWB46E50 PK WND 2934/47/
8/5// 58004 6000

1 P.M.
Weather: Broken stratocumulus, virga all quadrants
Temperature: 37F; Dew Point: 22F; Relative Humidity: 54%
Wind: WNW at 24G37 kts
Sea-level pressure: 29.55 ins. Hg: rising unsteadily
Visibility: 70 miles
6-hr Max temp: 40F
6-hr Min temp: 33F
6-hr Precip: Trace
6-hr Snow: Trace
Snow Depth: 0 ins.
BHO SA 1755 E50 BKN 70 008/37/22/3024G37/955/ VIRGA ALQDS
SWB33E46 PK WND 2945/1658/ 8/500 52015 6000/ 10040 20033

SUMMARY FOR SUNDAY, NOVEMBER 1, 2020

TEMPERATURE (DEGREES F)
MAX…….49   NORMAL…..55
MIN……..36   NORMAL…..38
MEAN….43   NORMAL…..46

DEPARTURE FROM 30-YEAR NORMAL……………. -3
TOTAL DEPARTURE FOR THE MONTH……………… -3 [-3.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………….. 22  DEPARTURE….. +3
TOTAL HEATING UNITS FOR THE MONTH…………….. 22  DEPARTURE….. +3
TOTAL HEATING UNITS FOR THE SEASON…………..474  DEPARTURE….-108
TOTAL HEATING UNITS LAST SEASON TO DATE……454  DEPARTURE…..+20

PEAK WIND GUST FOR YESTERDAY (MPH)
420C/Official…………………….38 W   AT   9:59 P.M.
AEROVANE (south tower)……40 W   AT   9:59 P.M.
ASOS…………………………….38 W   AT  10:00 P.M.
DAVIS #1…………………………40 W   AT   9:59 P.M.
DAVIS #2 (south tower)……….37 W   AT   9:59 P.M.
VECTOR………………………….44
RMY……………………………….39
MERLIN…………………………..41

FASTEST MILE FOR YESTERDAY……………..28 W   AT 10:04 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……….28 W   AT 10:00 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE…..30 W   AT 10:00 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE…..28 WNW AT 10:03 P.M.
AVERAGE WIND SPEED AND DIRECTION….11.1 S [267 total miles] ASOS…………..11.3
DAVIS #1………11.0 SSW   [203 deg.] DAVIS #2………12.4 SSW   [195 deg.]

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…………6.75  DEPARTURE….+2.06
ASOS…………..6.74
TOTAL PRECIPITATION FOR THE YEAR………….41.17  DEPARTURE….-2.60
ASOS………….41.95

SNOWFALL (INCHES) THROUGH THIS MORNING (EST)
TOTAL SNOWFALL 24 HOURS ENDING 7 A.M…… 0.0   DEPARTURE….-0.1
TOTAL SNOWFALL FOR THE MONTH……………… 0.0   DEPARTURE….-0.1
TOTAL SNOWFALL FOR THE SEASON……………. 6.5   DEPARTURE….+6.1

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/…/..                           22 NNW    AERO 22 NNW  RMY N/A
10/28  49/42/46/-2/0.33/…/..                      18 W       AERO 18 W       RMY 18
10/29  46/41/44/-3/1.26/…/..                      39 NE      AERO 38 NE      RMY 38
10/30  41/26/34/-13/0.94/…/..                    37 NNE    AERO 44 NNE    RMY N/A
10/31  39/24/32/-15/0.00/…/..                    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 The low since midnight is 32F, the daily normal low is 37F

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

RECORDS FOR NOVEMBER 2
HIGH 81 IN 1950
LOW 22 IN 1965
PRECIP 1.67 INCHES IN 1970
SNOWFALL 1.8 IN 2014
PEAK GUST 63 WSW IN 1973

RECORDS FOR NOVEMBER 3
HIGH 75 IN 1990
LOW 21 IN 1891
PRECIP 1.92 INCHES IN 1951
SNOWFALL 0.1 IN 1951
PEAK GUST 96e SSE IN 1951

TODAY’S REPORT PREPARED BY: Matt Douglas

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Blue Hill Observatory & Science Center · Legal

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Please read the full Policy before accessing Observatory data · Effective January 1, 2025

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