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Monday, February 12, 2024

February 12, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, FEBRUARY 12, 2024 ALL TIMES ARE…

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

MONDAY, FEBRUARY 12, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0645E
SUNSET:  1712E

A RATHER PLEASANT DAY TODAY AHEAD OF A STORMY TUESDAY….

Not a bad day today at all with sunshine being the theme today,
only being filtered at times through some high thin clouds.
Temperatures are once again above normal for this time of year
as readings have once again reached the mid 40s, almost 10F
degrees above normal! Definitely a nice day for any outdoor
chores or work, especially for February standards.

Adding to the comfort of the day has been the generally light
wind. It’s been averaging generally between 5-10mph most of
the day. The wind has been backing from the north-northwest and
northwest more to the west as we reached the early afternoon
hours. The peak gust so far for the day is only around 17mph,
which occurred just after 1am this morning.

Visibility started the day at 70 miles, but has eased back to
around 60 miles by late this morning and early this afternoon.

The maximum temperature so far today is 45F degrees, which is
9 degrees above the normal high of 36F. The minimum temperature
since midnight is 29F degrees, which is 10 degrees above the
normal low of 19F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Clear, few altocumulus distant S-SSW and distant NE,
few cirrostratus distant SSE-SW, few cirrus overhead-E-S-WNW
Temperature: 29F; Dew Point: 26F; Relative Humidity: 88%
Wind: NNW @ 10 kts
Sea-level pressure: 1012.9 mb; 29.91 in. Hg: rising, then more rapidly
Visibility: 70 miles
6-hr Max temp: 32F
6-hr Min temp: 29F
24-hr Precip: 0.00 inches
24-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1155 CLR 70 129/29/26/3310/991/ FEW AC DSNT S-SSW AND DSNT NE
FEW CS DSNT SSE-SW FEW CI OVHD-E-S-WNW/ 8/055 53011 10032 20029

10 A.M.
Weather: Thin scattered cirrus, few stratocumulus distant W-WNW and
distant NNE-NE, few altocumulus distant SSW-SW
Temperature: 37F; Dew Point: 28F; Relative Humidity: 70%
Wind: NNW @ 4 kts, wind light
Sea-level pressure: 1013.3 mb; 29.92 in. Hg: rising unsteadily
Visibility: 60 miles
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 250 -SCT 60 133/37/28/3304/992/ FEW SC DSNT W-NNW AND
DSNT NNE-NE FEW AC DSNT SSW-SW WND LGT/ 8/551 52004

1 P.M.
Weather: Thin broken cirrus, few stratocumulus distant W-WNW
Temperature: 44F; Dew Point: 27F; Relative Humidity: 51%
Wind: W @ 6 kts, wind light
Sea-level pressure: 1011.0 mb; 29.85 in. Hg: falling, then more rapidly
Visibility: 60 miles
6-hr Max temp: 45F
6-hr Min temp: 29F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1755 E250 -BKN 60 110/44/27/2606/985/ FEW SC DSNT W-NNW
WND LGT/ 8/504 58023 10045 20029

————————————————————–

SUMMARY FOR SUNDAY, FEBRUARY 11, 2024

TEMPERATURE (DEGREES F)
MAX…….45   NORMAL…..36
MIN…….34   NORMAL…..19
MEAN……40   NORMAL…..27

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………..+13
TOTAL DEPARTURE FOR THE MONTH…………………..+96 [+8.5 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY……………25  DEPARTURE…….-13
TOTAL HEATING UNITS FOR THE MONTH…………..326  DEPARTURE…….-95
TOTAL HEATING UNITS FOR THE SEASON…………3292  DEPARTURE……-533
TOTAL HEATING UNITS LAST SEASON TO DATE…….3215  DEPARTURE…….+77

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)……….E30 NW   @  10:34 A.M.
VECTOR #1 (1-Sec)……….30 NW   @  10:31 A.M.
VECTOR #2 (1-Sec)……….32 NW   @  10:31 A.M.
DAVIS #1……………….29 W    @  12:34 P.M.
DAVIS #2 ………………29 WNW  @  12:34 P.M.
RMY #1 (Instantaneous)…..31 NW   @  10:31 A.M.
RMY #2 (Instantaneous)…..33 NW   @  10:31 A.M.
MERLIN…………………28 NW
RICHARDS (C5C) (Inst)……30      @  10:31 A.M.

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………24 NW   @  10:34 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..20      @  10:33 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..22      @  12:35 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………21 NW   @  10:33 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………22 WNW  @  12:35 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..20 NW   @  10:33 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..21 WNW  @  12:35 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………21      @  10:33 A.M.

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……12.0 WNW [289 total miles] VECTOR #1…………….11.8
VECTOR #2…………….13.1
DAVIS #1……………..12.4 WNW
DAVIS #2……………..12.8 NW
RMY #1……………….11.3 WNW
RMY #2……………….12.8 WNW
RICHARDS (C5C)………..12.2

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.13
TOTAL PRECIPITATION FOR THE MONTH…………..0.05 DEPARTURE…..-1.42
TOTAL PRECIPITATION FOR THE YEAR (2024)……..9.29 DEPARTURE…..+3.32

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE MONTH………………TRACE DEPARTURE……-7.4
TOTAL SNOWFALL FOR THE SEASON (2023-2024)……20.9 DEPARTURE…..-20.2

————————————————————–

PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 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

2/1   40/30/35/+9/0.00/0.0/012/02         25 SW  VEC1 24 SW  RMY 26
2/2   39/31/35/+9/0.03/T/000/00           23 N   VEC1 24 N   RMY 25
2/3   35/26/31/+5/0.00/0.0/338/56         26 N   VEC1 26 NNW RMY 28
2/4   39/20/30/+4/0.00/0.0/607/100        28 NNW VEC1 28 NNW RMY 27
2/5   39/22/31/+4/0.00/0.0/597/98         29 N   VEC1 29 N   RMY 30
2/6   35/26/31/+4/0.00/0.0/251/41         26 N   VEC1 26 N   RMY 26
2/7   39/26/33/+6/0.00/0.0/436/71         21 NE  VEC1 21 NE  RMY 24
2/8   44/29/37/+10/0.00/0.0/…/..        16 S   VEC1 16 S   RMY 16
2/9   47/30/39/+12/0.00/0.0/…/..        31 SSW VEC1 31 SSW RMY 31
2/10  58/35/47/+20/0.02/0.0/…/..        26 NW  VEC1 26 NW  RMY 30
2/11  45/34/40/+13/0.00/0.0/…/..        30 NW  VEC1 30 NW  RMY 31

2/12 The low since midnight is 29F, the daily normal low is 19F

————————————————————–

FEBRUARY DAILY RECORDS TO DATE

NONE…

————————————————————–

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

RECORDS FOR FEBRUARY 12
HIGH 59F IN 2022
LOW -14F IN 1914
PRECIP 4.85 INCHES IN 1886 [RECORD FOR MONTH] SNOWFALL 15.0 INCHES IN 2006
PEAK GUST 70 MPH E IN 1985

RECORDS FOR FEBRUARY 13
HIGH 64F IN 1951
LOW -10F IN 1967
PRECIP 2.80 INCHES IN 2008
SNOWFALL 9.0 INCHES IN 1899
PEAK GUST 60 MPH SE IN 1972

TODAY’S REPORT PREPARED BY: Matt Douglas

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
Part I — Data Use Policy
§ 01

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§ 02

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§ 03

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§ 04

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§ 06

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Effective January 1, 2025 · Blue Hill Observatory & Science Center · Milton, Massachusetts