Thursday, November 24, 2022

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

THURSDAY, NOVEMBER 24, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0646E
SUNSET:  1616E

MAINLY SUNNY AND GENERALLY SEASONABLE ONCE AGAIN AT BLUE HILL….

Happy Thanksgiving to everyone. Today has been a rather
delightful day despite the cold start. The low this morning
was in the 20s for most areas, including here on the summit
where the mercury dipped to 29F. Sunshine has been the theme
all day with only a few stratocumulus off over the ocean and
some high thin cirrus clouds advancing into the area this
afternoon.

Temperatures have rebounded nicely into the mid to upper 40s.
With a light wind, it’s a rather pleasant day out there.

As mentioned, the wind has been rather light today with an
average speed so far for the day around 8mph. The peak for
the day was back just after midnight with 17mph being
recorded.

Visibility has been gradually improving from 40 miles early
this morning to 60 miles early this afternoon.

The high so far today is only 46F, which is 1 degree below the
normal maximum of 47F. The low since midnight is 29F, which is
2 degrees below the normal low of 32F.

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Today’s Observations:

7 A.M.
Weather: Clear, few stratocumulus distant NNE-E-S
Temperature: 30F; Dew Point: 23F; Relative Humidity: 75%
Wind: NE @ 7 kts
Sea-level pressure: 1030.3 mb; 30.43 in. Hg: rising, then more rapidly
Visibility: 40 miles, hazy
6-hr Max temp: 32F
6-hr Min temp: 29F
24-hr Precip:  0.00 ins.
24-hr Snowfall: 0.0 ins.
BHO SA 1155 CLR 40 303/30/23/0407/043/ FEW SC DSNT NNE-E-S HAZY/
8/500 53008 10032 20029

10 A.M.
Weather: Clear, few stratocumulus distant NE-SSE
Temperature: 37F; Dew Point: 27F; Relative Humidity: 66%
Wind: WSW @ 2 kts, wind light and variable
Sea-level pressure: 1030.5 mb; 30.43 in. Hg: rising, then falling
Visibility: 50 miles, hazy
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 CLR 50 305/37/27/2502/043/ FEW SC DSNT NE-SSE HAZY
WND L/V/ 8/500 50002

1 P.M.
Weather: Clear, few stratocumulus distant NE-S, few cirrus all
quadrants
Temperature: 44F, Dew point: 29F; Relative Humidity: 55%
Wind: SW @ 6 kts, wind light and variable
Sea-level pressure: 1027.8 mb; 30.35 in Hg: falling, then more rapidly
Visibility: 60 miles
6-hr Max temp: 46F
6-hr Min temp: 30F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
BHO SA 1755 CLR 60 278/44/29/2306/035/ FEW SC DSNT NE-S FEW CI ALQDS
WND L/V/ 8/501 58027 10046 20030

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SUMMARY FOR WEDNESDAY, NOVEMBER 23, 2022

TEMPERATURE (DEGREES F)
MAX…….49   NORMAL…..47
MIN…….33   NORMAL…..32
MEAN……41   NORMAL…..39

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………+2
TOTAL DEPARTURE FOR THE MONTH……………….+108 [+4.5 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………24  DEPARTURE……..-2
TOTAL HEATING UNITS FOR THE MONTH…………..400  DEPARTURE……-104
TOTAL HEATING UNITS FOR THE SEASON………….813  DEPARTURE……-203
TOTAL HEATING UNITS LAST SEASON TO DATE……..787  DEPARTURE…….+26

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….28 NW  @  9:45 A.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..29     @  9:45 A.M.
DAVIS #2 ………………25 NW  @  9:45 A.M.
RMY #2 (Instantaneous)…..28 NW  @  9:44 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………………19 WNW @  9:48 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..20     @  9:46 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………20 NW  @  9:46 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..20 NW  @  9:46 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…….11.0 NNW [263 total miles] VECTOR #2……………..11.6
DAVIS #2………………11.4 NW
RMY #2………………..11.5 NW
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…..-0.14
TOTAL PRECIPITATION FOR THE MONTH…………..1.80 DEPARTURE…..-1.45
TOTAL PRECIPITATION FOR THE YEAR…………..35.48 DEPARTURE….-11.93

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.1
TOTAL SNOWFALL FOR THE MONTH………………TRACE DEPARTURE……-1.0
TOTAL SNOWFALL FOR THE SEASON (2022-2023)…..TRACE DEPARTURE……-1.7

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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

11/1  61/54/58/+11/0.11/0.0/000/00        21 NW   AERO N/A    RMY 21
11/2  68/50/59/+12/0.00/0.0/598/97        29 N    AERO N/A    RMY 30
11/3  67/48/58/+12/0.00/0.0/597/97        24 WSW  AERO N/A    RMY 24
11/4  70/48/59/+13/0.00/0.0/411/67        38 WSW  AERO N/A    RMY 40
11/5  75/57/66/+20/0.00/0.0/336/55        35 SW   AERO N/A    RMY 36
11/6  74/63/69/+24/0.00/0.0/079/13        40 SW   AERO N/A    RMY 43
11/7  74/49/62/+17/T/0.0/448/74           38 NW   AERO N/A    RMY 42
11/8  53/35/44/-1/0.00/0.0/591/98         32 N    AERO N/A    RMY 32
11/9  52/30/41/-3/0.00/0.0/589/98         27 SW   AERO N/A    RMY 29
11/10 67/41/54/+10/0.00/0.0/586/98        35 WSW  AERO N/A    RMY 38
11/11 69/53/61/+18/0.50/0.0/036/06        56 SSW  AERO N/A    RMY 60
11/12 72/51/62/+19/0.24/0.0/398/67        47 SSW  AERO N/A    RMY 51
11/13 51/36/44/+1/0.08/0.0/000/00         41 NW   AERO N/A    RMY 43
11/14 42/28/35/-7/0.00/0.0/589/100        31 NW   AERO N/A    RMY 32
11/15 41/26/34/-8/0.03/T/423/72           16 NNW  AERO N/A    RMY 16
11/16 56/32/44/+2/0.84/0.0/059/10         40 NW   AERO N/A    RMY 40
11/17 44/32/38/-3/T/T/449/77              37 WNW  AERO N/A    RMY 34
11/18 44/28/36/-5/0.00/0.0/529/91         26 W    AERO N/A    RMY 28
11/19 43/26/35/-6/0.00/0.0/579/100        24 WSW  AERO N/A    RMY 24
11/20 37/25/31/-9/0.00/0.0/548/95         45 WNW  AERO N/A    RMY 48
11/21 37/20/29/-11/0.00/0.0/575/100       39 WNW  AERO N/A    RMY 40
11/22 48/31/40/0/0.00/0.0/…/..          30 WSW  AERO N/A    RMY 31
11/23 49/33/41/+2/0.00/0.0/…/..         28 NW   AERO N/A    RMY 28

11/24 The low since midnight is 29F, the daily normal low is 31F

DAILY RECORDS

11/05/2022: TIED RECORD HIGH MINIMUM OF 57F, ALSO SET IN 1948.

11/06/2022: NEW RECORD HIGH MINIMUM OF 63F,
PREVIOUS RECORD WAS 60F IN 2015
NEW RECORD HIGH MAXIMUM OF 74F,
PREVIOUS RECORD WAS 72F IN 2020

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

RECORDS FOR NOVEMBER 24
HIGH 69 IN 1931
LOW 7 IN 1897
PRECIP 1.76 INCHES IN 1901
SNOWFALL 4.5 INS IN 1936
PEAK GUST 69 SSW IN 1959

RECORDS FOR NOVEMBER 25
HIGH 71 IN 1979
LOW 13 IN 1938
PRECIP 3.10 INCHES IN 1983
SNOWFALL 4.0 INS IN 1938
PEAK GUST 94e E IN 1950

TODAY’S REPORT PREPARED BY: Matt Douglas