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Saturday, March 16, 2024

March 16, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, MARCH 16, 2024 ALL TIMES ARE…

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

SATURDAY, MARCH 16, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0553E
SUNSET:  1752E

CLEAR SKIES TO START GIVE WAY TO SOME CLOUDS…

The morning began with mostly clear skies and abundant sunshine.
As the day progressed, a stratocumulus layer developed,
resulting in a mix of clouds and sun by the afternoon. Still,
it remains a beautiful day by March standards!

It is quite warm today compared to the historical average. We began the
morning in the mid 30s and have since reached the upper 50s. The dew
point has been hovering in the mid 30s throughout the day.

The winds so far are very light, with an average of only 6mph or so.
The peak gust to this point is not impressive, clocking in at 17mph
just before 11:15am.

Visibility has been good today, varying between 40-60 miles.

The maximum temperature so far today is 57F degrees, which is
13 degrees above the normal high of 44F. The minimum temperature since
midnight is 36F degrees, which is 9 degrees above the normal low
of 27F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Clear, few stratocumulus distant N-NNE and distant ENE-ESE,
few altocumulus distant E-S and distant W-NNW
Temperature: 37F; Dew Point: 36F; Relative Humidity: 95%
Wind: WNW @ 5 kts, wind light
Sea-level pressure: 1009.8 mb; 29.82 in. Hg: rising, then more rapidly
Visibility: 60 miles
6-hr Max temp: 37F
6-hr Min temp: 36F
24-hr Precip:  Trace
24-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1155 CLR 60 098/37/36/2905/982/ FEW SC DSNT N-NNE AND DSNT
ENE-ESE FEW AC DSNT E-S AND DSNT W-NNW WND LGT/ 8/550 53007 70000
10037 20036

10 A.M.
Weather: Clear, few stratocumulus all quadrants
Temperature: 47F; Dew Point: 36F; Relative Humidity: 65%
Wind: W @ 5 kts, wind light
Sea-level pressure: 1010.2 mb; 29.83 in. Hg: rising, then steady
Visibility: 40 miles
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 CLR 40 102/47/36/2605/983/ FEW SC ALQDS WND LGT/ 8/500 51004

1 P.M.
Weather: Broken stratocumulus
Temperature: 56F; Dew Point: 34F; Relative Humidity: 43%
Wind: W @ 6 kts, wind light
Sea-level pressure: 1008.3 mb; 29.78 in. Hg: falling unsteadily
Visibility: 50 miles
6-hr Max temp: 57F
6-hr Min temp: 37F
6-hr Precip:  0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1755 E50 BKN 083/56/34/2606/978/ WND LGT/ 8/500 57019 10057 20037

————————————————————–

SUMMARY FOR FRIDAY, MARCH 15, 2024

TEMPERATURE (DEGREES F)
MAX…….44   NORMAL…..44
MIN…….37   NORMAL…..26
MEAN……41   NORMAL…..35

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………+6
TOTAL DEPARTURE FOR THE MONTH………………….+122 [+7.9 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY……………24  DEPARTURE……..-6
TOTAL HEATING UNITS FOR THE MONTH…………..356  DEPARTURE……-123
TOTAL HEATING UNITS FOR THE SEASON…………4244  DEPARTURE……-667
TOTAL HEATING UNITS LAST SEASON TO DATE…….4163  DEPARTURE…….+81

PEAK WIND GUST (MPH):
Note: Instruments designated #1 = Main Tower, #2 = South Tower,
F420C, Contacting, Merlin, and Richards are all Main Tower.
E=Estimated

F420C (Official)……….E24 N    @  03:34 P.M.
VECTOR #1 (1-Sec)……….23 NNW  @  12:59 P.M.
VECTOR #2 (1-Sec)……….27 N    @  01:34 P.M.
DAVIS #1……………….23 NNE  @  03:34 P.M.
DAVIS #2 ………………24 N    @  01:34 P.M.
RMY #1 (Instantaneous)…..25 N    @  03:34 P.M.
RMY #2 (Instantaneous)…..26 N    @  01:34 P.M.
MERLIN…………………24 N
RICHARDS (C5C) (Inst)……24      @  03:34 P.M.

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………16 E    @  05:14 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..18      @  05:07 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..17      @  04:46 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………17 E    @  05:07 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………17 E    @  04:46 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..17 E    @  05:07 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..17 ENE  @  04:46 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………17      @  05:07 A.M.

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL…….7.7 N [185 total miles] VECTOR #1……………..8.0
VECTOR #2……………..8.2
DAVIS #1………………7.8 NE
DAVIS #2………………7.5 NE
RMY #1………………..7.8 NNE
RMY #2………………..8.1 NNE
RICHARDS (C5C)…………8.5

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…….TRACE DEPARTURE…..-0.17
TOTAL PRECIPITATION FOR THE MONTH…………..4.35 DEPARTURE…..+1.75
TOTAL PRECIPITATION FOR THE YEAR (2024)…….14.91 DEPARTURE…..+3.81

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.5
TOTAL SNOWFALL FOR THE MONTH………………TRACE DEPARTURE……-8.8
TOTAL SNOWFALL FOR THE SEASON (2023-2024)……26.1 DEPARTURE…..-34.6

————————————————————–

PRELIMINARY CLIMATE SUMMARY FOR MARCH CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST
PEAK GUST: F420C (Official)
VEC1: Vector #1 1-second gust
RMY:  R.M. Young #1 wind gust recording system (Instantaneous)
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M:    Missing data
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)

3/1   41/18/30/-1/0.00/0.0/649/96         30 NW  VEC1 30 WNW RMY 33
3/2   50/32/41/+9/1.16/0.0/000/00         44 SSE VEC1 46 SE  RMY 42
3/3   55/42/49/+17/0.24/0.0/130/19        32 SSE VEC1 33 SSE RMY 32
3/4   49/36/43/+11/0.01/0.0/116/17        24 ENE VEC1 22 ENE RMY 23
3/5   42/36/39/+7/0.14/0.0/000/00         21 E   VEC1 21 E   RMY 21
3/6   51/39/45/+12/0.44/0.0/000/00        28 NE  VEC1 28 NE  RMY 29
3/7   42/37/40/+7/1.06/0.0/000/00         44 NNE VEC1 44 NNE RMY 42
3/8   45/32/39/+6/0.00/0.0/682/98         35 NNE VEC1 36 NNE RMY 38
3/9   40/32/36/+3/0.21/0.0/000/00         32 E   VEC1 32 E   RMY 31
3/10  51/36/44/+10/1.07/0.0/245/35        45 WNW VEC1 46 SE  RMY 45
3/11  43/30/37/+3/T/T/515/73              53 NW  VEC1 54 NW  RMY 58
3/12  54/33/44/+10/0.00/0.0/680/96        43 NW  VEC1 41 NW  RMY 45
3/13  54/33/44/+10/0.00/0.0/667/94        26 SSE VEC1 25 NNW RMY 25
3/14  58/36/47/+12/0.00/0.0/…/..        23 ENE VEC1 22 NE  RMY 21
3/15  44/37/41/+6/0.02/0.0/…/..         24 N   VEC1 23 NNW RMY 25

3/16 The low since midnight is 36F, the daily normal low is 27F.

————————————————————–

MARCH DAILY RECORDS TO DATE

NONE…

————————————————————–

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

RECORDS FOR MARCH 16
HIGH 73 IN 1990
LOW 8 IN 1932
PRE 1.95 INS. IN 1900
SNOW 10.0 INS. IN 1896
WIND 79 MPH NE IN 1956

RECORDS FOR MARCH 17
HIGH 69 IN 2003
LOW 6 IN 1885
PRECIP 1.97 INS. IN 1968
SNOWFALL 6.5 INS. IN 1956
PEAK GUST 70 MPH SSW IN 1973

TODAY’S REPORT PREPARED BY: Joshua Polen

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Blue Hill Observatory & Science Center · Legal

Data Use & Privacy Policy

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

Notice: By accessing, downloading, or using any Blue Hill Observatory data or services, you unconditionally accept and agree to be bound by this Policy in its entirety. If you do not agree, you may not access or use Observatory data.
Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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