Sunday, January 14, 2024
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SUNDAY, JANUARY 14, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0711E
SUNSET: 1636E
INCREASINGLY CLOUDY WITH A FRONT MOVING IN FROM THE WEST ….
Today featured mostly clear skies during the morning hours with
strong winds out of the west. The average wind speed is around
30 mph, with a max gust of almost 50 mph right before noontime.
Starting around noon, a thick layer of stratocumulus clouds moved
in from the west and covered most of the sky from the 1 P.M.
observation. Distant snow showers were also seen to the west.
Visibility was slightly limited today, being 50 miles due to the
moisture from the approaching front. A brief snow shower was
observed this afternoon around 1:30 P.M. leaving only trace amounts.
The maximum temperature so far today is 39F degrees, this is 5
degrees above the normal high of 34F. The minimum temperature
so far since midnight is 29F degrees, this is 11 degrees above
the normal low of 18F.
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Today’s Observations:
7 A.M.
Weather: Clear, few stratocumulus and cirrostratus
Temperature: 29F; Dew Point: 20F; Relative Humidity: 68%
Wind: SW @ 11G20 kts
Sea-level pressure: 1008.6 mb; 29.78 in. Hg: rising, then more rapidly
Visibility: 50 miles
6-hr Max temp: 35F
6-hr Min temp: 29F
24-hr Precip: 0.71 inches
24-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1155 CLR 50 086/29/20/2211G20/978/ FEW SC ALQDS FEW CS ALQDS/
8/505 53025 70071 10035 20029
10 A.M.
Weather: Clear, few stratocumulus and cirrostratus
Temperature: 33F; Dew Point: 24F; Relative Humidity: 68%
Wind: SW @ 18G28 kts, peak wind 38 mph SW @ 09:42am
Sea-level pressure: 1008.3 mb; 29.77 in. Hg: rising then falling
Visibility: 55 miles
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 CLR 55 083/33/24/2218G28/977/ FEW SC ALQDS FEW CS ALQDS
PK WND 2234/42/ 8/505 58003
1 P.M.
Weather: Overcast stratocumulus with breaks, virga seen SW-W-NW
Temperature: 37F; Dew Point: 23F; Relative Humidity: 56%
Wind: SSW @ 19G28 kts, peak wind 48 mph SW @ 11:55pm
Sea-level pressure: 1007.8 mb; 29.76 in. Hg: falling unsteadily
Visibility: 40 miles
6-hr Max temp: 39F
6-hr Min temp: 29F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1755 50 BKN 40 078/37/23/2223G31/976/ FEW BINOVC ALQDS VIRGA
SW-W-NW PK WND 2242/1559/ 8/500 55025 10039 20029
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SUMMARY FOR SATURDAY, JANUARY 13, 2024
TEMPERATURE (DEGREES F)
MAX…….57 NORMAL…..35
MIN…….36 NORMAL…..18
MEAN……47 NORMAL…..26
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………..+21
TOTAL DEPARTURE FOR THE MONTH…………………..+82 [+6.2 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY……………18 DEPARTURE…….-21
TOTAL HEATING UNITS FOR THE MONTH…………..406 DEPARTURE…….-83
TOTAL HEATING UNITS FOR THE SEASON…………2301 DEPARTURE……-398
TOTAL HEATING UNITS LAST SEASON TO DATE…….2274 DEPARTURE…….+27
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)……….E47 ESE @ 11:50 P.M.
VECTOR #1 (1-Sec)……….51 ESE @ 11:54 P.M.
VECTOR #2 (1-Sec)……….49 ESE @ 11:55 P.M.
DAVIS #1……………….48 ESE @ 11:51 P.M.
DAVIS #2 ………………50 ESE @ 11:54 P.M.
RMY #1 (Instantaneous)…..49 ESE @ 11:58 P.M.
RMY #2 (Instantaneous)…..50 ESE @ 11:55 P.M.
MERLIN………………….M
RICHARDS (C5C) (Inst)……48 @ 11:58 P.M.
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………34 ESE @ 3:58 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..34 @ 4:37 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..34 @ 6:42 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………36 ESE @ 3:57 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………35 ESE @ 4:34 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..34 ESE @ 3:57 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..34 ESE @ 4:35 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………34 ESE @ 3:57 A.M.
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……22.3 ESE [536 total miles]
VECTOR #1…………….21.0
VECTOR #2…………….21.7
DAVIS #1……………..21.5 S
DAVIS #2……………..21.9 S
RMY #1……………….20.5 S
RMY #2……………….21.4 S
RICHARDS (C5C)………..20.9
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.71 DEPARTURE…..+0.56
TOTAL PRECIPITATION FOR THE MONTH…………..6.25 DEPARTURE…..+4.29
TOTAL PRECIPITATION FOR THE YEAR (2024)……..6.25 DEPARTURE…..+4.29
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH……………….13.2 DEPARTURE……+5.9
TOTAL SNOWFALL FOR THE SEASON (2023-2024)……13.5 DEPARTURE……-8.9
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PRELIMINARY CLIMATE SUMMARY FOR JANUARY 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
1/1 37/25/31/+2/0.00/0.0/296/54 15 N VEC1 14 N RMY 15
1/2 39/19/29/+1/0.00/0.0/550/100 17 WNW VEC1 17 WNW RMY 17
1/3 42/25/34/+6/0.00/0.0/347/63 20 WNW VEC1 21 WNW RMY 21
1/4 42/21/32/+4/T/T/237/43 37 NNW VEC1 36 NNW RMY 39
1/5 32/17/25/-3/0.00/0.0/542/98 40 NW VEC1 39 NW RMY 39
1/6 34/24/29/+1/0.11/0.2/022/04 36 E VEC1 36 E RMY 36
1/7 33/21/27/0/0.84/13.0/000/00 38 ENE VEC1 37 ENE RMY 42
1/8 32/21/27/0/0.00/0.0/406/73 28 NW VEC1 28 NW RMY 31
1/9 40/23/32/+5/0.98/T/000/00 46 SE VEC1 49 SE RMY 46
1/10 53/41/47/+20/1.90/0.0/201/36 70 SSE VEC1 69 SSE RMY 75
1/11 43/35/39/+12/0.00/0.0/…/.. 45 WNW VEC1 43 WNW RMY 47
1/12 47/33/40/+13/0.00/0.0/…/.. 29 SE VEC1 28 ESE RMY 28
1/13 57/36/47/+21/…./0.0/…/.. 47 ESE VEC1 51 ESE RMY 49
1/14 The low since midnight is 29F, the daily normal low is 18F
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JANUARY DAILY RECORDS TO DATE
NONE.
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DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR JANUARY 14
HIGH 65F IN 1995
LOW -12F IN 1914
PRECIP 1.45 INS. IN 2008
SNOWFALL 10.3 INS. IN 2008
PEAK GUST 68 MPH WNW IN 1976, S IN 2005
RECORDS FOR JANUARY 15
HIGH 64F IN 1995
LOW -16F IN 1957 [RECORD LOW FOR MONTH]
PRECIP 2.63 INS. IN 1958
SNOWFALL 8.8 INS. IN 1983
PEAK GUST 69e MPH SE IN 1940
TODAY’S REPORT PREPARED BY: Benjamin Turner
