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Sunday, October 30, 2022

October 30, 2022

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, OCTOBER 30, 2022 ALL TIMES ARE…

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

SUNDAY, OCTOBER 30, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0615E
SUNSET:  1640E

AFTER A CHILLY START, MUCH MILDER UNDER ABUNDANT SUNSHINE….

This morning started off on the chilly side for most
with readings dropping into the 20s and 30 across most
areas. Some exceptions of this were Boston proper and
higher elevations, including Blue Hill. Radiational cooling
induced a classic inversion over the area, thus allowing
low lying areas to really chill out overnight.

Abundant sunshine has been the theme today with only some
high thin wispy clouds out there this afternoon. The
temperature has rebounded nicely today with the mercury
getting into the mid-upper 60s this afternoon away from
the coast. Doesn’t get much better than this in late
October!

The wind has been very light today, mainly out of a south-
southwesterly direction. The average speed for the day so
far is only around 6mph.

Visibility is excellent today, holding at around 80 miles
all day.

The high so far today is 66F, which is 10 degrees above
the normal maximum of 56F. The low since midnight is 42F,
which is 3 degrees above the normal low of 39F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Clear, patchy ground fog all quadrants
Temperature: 54F; Dew Point: 29F; Relative Humidity: 73%
Wind: Calm
Sea-level pressure: 1025.3 mb; 30.28 in. Hg: rising, then more slowly
Visibility: 80 miles
6-hr Max temp: 54F
6-hr Min temp: 42F
24-hr Precip: 0.00 ins.
BHO SA 1155 CLR 80 253/54/29/0000/028/ PTCHY GF ALQDS WND CALM/
8/000 51004 10054 20042

10 A.M.
Weather: Clear, few stratocumulus distant S-SSW, few cirrus
distant SW-NW
Temperature: 56F; Dew Point: 34F; Relative Humidity: 43%
Wind: S @ 6 kts, wind light
Sea-level pressure: 1024.7 mb; 30.26 in Hg: rising, then falling
Visibility: 80 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 CLR 80 247/56/34/1806/026/ FEW SC DSNT S-SSW
FEW CI DSNT SW-NW WND LGT/ 8/501 58006

1 P.M.
Weather: Thin scattered cirrus
Temperature: 66F, Dew point: 26F; Relative Humidity: 21%
Wind: S @ 5 kts, wind light
Sea-level pressure: 1022.9 mb; 30.21 in Hg: falling, then more rapidly
Visibility: 80 miles
6-hr Max temp: 66F
6-hr Min temp: 54F
6-hr Precip: 0.00 ins.
BHO SA 1755 250 -SCT 80 229/66/26/1905/021/ WND LGT/ 8/001
58018 10066 20054

————————————————————–

SUMMARY FOR SATURDAY, OCTOBER 29, 2022

TEMPERATURE (DEGREES F)
MAX…….56   NORMAL…..56
MIN…….36   NORMAL…..39
MEAN……46   NORMAL…..48

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………-2
TOTAL DEPARTURE FOR THE MONTH………………..+55 [+1.7 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………19  DEPARTURE……..+2
TOTAL HEATING UNITS FOR THE MONTH…………..296  DEPARTURE…….-63
TOTAL HEATING UNITS FOR THE SEASON………….395  DEPARTURE…….-81
TOTAL HEATING UNITS LAST SEASON TO DATE……..309  DEPARTURE…….+86

COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH…………….0  DEPARTURE……..-7
TOTAL COOLING UNITS FOR THE SEASON………….884  DEPARTURE……+207
TOTAL COOLING UNITS LAST SEASON TO DATE……..717  DEPARTURE……+167

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….16 NNE @  8:25 A.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..17     @  6:08 A.M.
DAVIS #2 ………………14 NNE @  3:18 A.M.
RMY #2 (Instantaneous)…..16 NNE @  3:40 A.M.
VECTOR #1……OUT OF SERVICE D/T RENOVATIONS
DAVIS #1…….OUT OF SERVICE D/T RENOVATIONS
RMY #1………OUT OF SERVICE D/T RENOVATIONS
MERLIN………OUT OF SERVICE D/T RENOVATIONS

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………14 NNE @  3:15 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..14     @  5:59 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………13 NNE @  6:07 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..13 NNE @  3:19 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE….OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE RMY #1 AVERAGE……OUT OF SERVICE D/T RENOVATIONS

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..5.8 NNE [139 total miles] VECTOR #2………………6.7
DAVIS #2……………….6.1 NE
RMY #2…………………6.6 NE
RMY #1……….OUT OF SERVICE D/T RENOVATIONS
VECTOR #1…….OUT OF SERVICE D/T RENOVATIONS
DAVIS #1……..OUT OF SERVICE D/T RENOVATIONS

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.18
TOTAL PRECIPITATION FOR THE MONTH…………..5.69 DEPARTURE…..+0.55
TOTAL PRECIPITATION FOR THE YEAR…………..33.68 DEPARTURE….-10.13

————————————————————–

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

10/1  56/48/52/-6/0.02/000/00           26 NE   AERO N/A    RMY 27
10/2  55/48/52/-6/0.00/077/11           53 ENE  AERO N/A    RMY 55
10/3  54/48/51/-6/0.00/014/02           41 ENE  AERO N/A    RMY 41
10/4  56/49/53/-4/0.62/000/00           39 ENE  AERO N/A    RMY 38
10/5  56/52/54/-3/1.09/000/00           32 NNE  AERO N/A    RMY 32
10/6  72/56/64/+8/0.05/566/82           23 N    AERO N/A    RMY 23
10/7  77/52/65/+9/0.00/632/92           31 NW   AERO N/A    RMY 31
10/8  59/40/50/-5/0.02/596/87           23 NW   AERO N/A    RMY 23
10/9  61/36/49/-6/0.00/648/95           30 W    AERO N/A    RMY 30
10/10 65/45/55/0/0.00/231/34            24 SW   AERO N/A    RMY 24
10/11 65/45/55/1/0.00/623/92            22 WSW  AERO N/A    RMY 22
10/12 74/51/63/+9/0.00/612/91           29 SW   AERO N/A    RMY 29
10/13 66/54/60/+6/1.20/074/11           39 SSE  AERO N/A    RMY 39
10/14 66/54/60/+7/0.97/107/16           41 SE   AERO N/A    RMY 42
10/15 69/47/58/+5/0.00/632/95           18 SSW  AERO N/A    RMY 19
10/16 69/50/60/+8/0.00/564/85           17 W    AERO N/A    RMY 18
10/17 59/50/55/+3/0.38/007/01           29 SSE  AERO N/A    RMY 30
10/18 66/42/54/+2/0.21/256/39           34 SSW  AERO N/A    RMY 36
10/19 56/38/47/-4/0.00/621/95           32 WSW  AERO N/A    RMY 34
10/20 58/39/49/-2/0.00/638/98           35 SW   AERO N/A    RMY 35
10/21 64/43/54/+3/0.00/630/97           23 SSW  AERO N/A    RMY 24
10/22 68/47/58/+8/0.00/606/94           20 SSW  AERO N/A    RMY 20
10/23 57/49/53/+3/0.07/000/00           28 NE   AERO N/A    RMY 29
10/24 58/49/54/+4/0.51/000/00           23 NNE  AERO N/A    RMY 24 TSTM
10/25 64/56/60/+11/0.12/000/00          19 ESE  AERO N/A    RMY 19
10/26 64/58/61/+12/0.42/…/..          24 SW   AERO N/A    RMY 23
10/27 66/42/54/+5/0.01/…/..           34 NNW  AERO N/A    RMY 34
10/28 50/36/43/-5/0.00/…/..           25 NE   AERO N/A    RMY 26
10/29 56/36/46/-2/0.00/…/..           16 NNE  AERO N/A    RMY 16

10/30 The low since midnight is 42F, the daily normal low is 39F

DAILY RECORDS

10/02/2022: NEW PEAK WIND GUST RECORD OF 53 MPH ENE,
PREVIOUS RECORD WAS 52e MPH S IN 1952 AND
52 MPH NNW IN 1984.

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

RECORDS FOR OCTOBER 30
HIGH 75F IN 1946,1989
LOW 21F IN 1928
PRECIP 1.85 INCHES IN 1917
SNOWFALL 6.5 INCHES IN 2020
PEAK GUST 73 SE IN 2017

RECORDS FOR OCTOBER 31
HIGH 79F IN 1946
LOW 22F IN 1904
PRECIP 3.74 INCHES IN 1991
SNOWFALL TRACE IN 1906
PEAK GUST 70e S IN 1945

TODAY’S REPORT PREPARED BY: Matt Douglas

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Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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