Sunday, January 28, 2024
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SUNDAY, JANUARY 28, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0702E
SUNSET: 1653E
OVERCAST WITH LIMITED VISIBILITY AND WINTRY, MIXED PRECIPITATION….
Today we observed overcast conditions with light rain beginning
shortly after 9 AM and switching over to ice pellets before the
10 AM observation. Since then, we have had a mix of ice pellets
and light snow. The precipitation total on the day is 0.17 inches
so far, with 0.2 inches of snow and ice pellets stacking up on
our snow measurement board.
Visibility was 20 miles at best today, falling off to a 1/2 mile
as the day went on. Temperatures have been in the low 30’s, and
dew points are within a degree or two.
This season, we are lacking in snowfall with our total being
19.0 inches, a foot below the normal at this point. We are more
than satisfied for annual rainfall. The total just this month is
8.35 inches, 4.40 inches above normal. We are almost 4 degrees
above monthly averages for temperature!
The maximum temperature so far today is 34F degrees, this is
the same as the normal high. The minimum temperature
so far since midnight is 32F degrees, this is 15 degrees above
the normal low of 17F.
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Today’s Observations:
7 A.M.
Weather: Scattered stratocumulus, overcast altostratus, thin fog
Temperature: 32F; Dew Point: 32F; Relative Humidity: 97%
Wind: ESE @ 6 kts, wind light
Sea-level pressure: 1018.7 mb; 30.08 in. Hg: rising, then more slowly
Visibility: 20 miles, thin fog
6-hr Max temp: 34F
6-hr Min temp: 32F
24-hr Precip: 0.01 inches
24-hr Snowfall: 0.0 inches
Snow Depth: 0.0 inches
BHO SA 1155 20 SCT 120 OVC 20 187/32/32/1106/008/ THN F ALQDS WND LGT/
8/52/ 56015 70001 10034 20032
10 A.M.
Weather: Scattered stratocumulus, Overcast nimbostratus, light ice
pellets following light rain until 9:50 A.M.
Temperature: 33F; Dew Point: 33F; Relative Humidity: 100%
Wind: ESE @ 6 kts, wind light
Sea-level pressure: 1017.8 mb; 30.05 in. Hg: rising, then falling
Visibility: 10 miles, thin fog all quadrants
3-hr Precip: 0.01 inches
3-hr Snowfall: Trace
BHO SA 1455 20 SCT 120 OVC 10IP- 178/33/33/1106/005/ THN F ALQDS R- BCMG
IP-50 WND LGT NEW SNW PST 3 HRS TRACE/ 8/52/ 4/000 6001/ 55009
1 P.M.
Weather: Light ice pellets following light snow until 12:10 P.M.
Temperature: 33F; Dew Point: 33F; Relative Humidity: 100%
Wind: E @ 8G16 kts
Sea-level pressure: 1013.2 mb; 29.92 in. Hg: falling, then more slowly
Visibility: 1/2 mile, fog
6-hr Max temp: 34F
6-hr Min temp: 32F
6-hr Precip: 0.17 inches
6-hr Snowfall: 0.2 inches
Snow Depth: Trace
BHO SA 1755 X W3 1/2IP-F 132/33/33/0908G16/992/ S-BCMG IP-10 NEW SNW PST
6 HRS 0.2 INS/ 8//// 4/000 6017/ 56046 10034 20032
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SUMMARY FOR SATURDAY, JANUARY 27, 2024
TEMPERATURE (DEGREES F)
MAX…….36 NORMAL…..34
MIN…….33 NORMAL…..17
MEAN……35 NORMAL…..26
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………..+9
TOTAL DEPARTURE FOR THE MONTH…………………..+105 [+3.7 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY……………30 DEPARTURE……..-9
TOTAL HEATING UNITS FOR THE MONTH…………..929 DEPARTURE……-108
TOTAL HEATING UNITS FOR THE SEASON…………2824 DEPARTURE……-423
TOTAL HEATING UNITS LAST SEASON TO DATE…….2718 DEPARTURE……+106
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)……….E23 NNE @ 12:04 A.M.
VECTOR #1 (1-Sec)……….20 NNE @ 12:03 A.M.
VECTOR #2 (1-Sec)……….20 NNE @ 12:23 A.M.
DAVIS #1……………….18 NE @ 12:19 A.M.
DAVIS #2 ………………19 ENE @ 12:04 A.M.
RMY #1 (Instantaneous)…..19 NNE @ 12:03 A.M.
RMY #2 (Instantaneous)…..20 NNE @ 12:19 A.M.
MERLIN…………………N/A
RICHARDS (C5C) (Inst)……18 @ 12:23 A.M.
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………15 NNE @ 12:04 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..13 @ 12:03 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..14 @ 12:24 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………15 NNE @ 12:04 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………13 NE @ 12:25 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..14 NNE @ 12:24 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..14 NNE @ 12:24 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………14 @ 12:24 A.M.
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL…….5.2 NNE [125 total miles]
VECTOR #1……………..5.8
VECTOR #2……………..5.8
DAVIS #1………………5.2 NE
DAVIS #2………………4.8 ENE
RMY #1………………..5.7 NE
RMY #2………………..5.8 SSE
RICHARDS (C5C)…………6.3
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.01 DEPARTURE…..-0.13
TOTAL PRECIPITATION FOR THE MONTH…………..8.35 DEPARTURE…..+4.40
TOTAL PRECIPITATION FOR THE YEAR (2024)……..8.35 DEPARTURE…..+4.40
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH……………….18.7 DEPARTURE……+2.8
TOTAL SNOWFALL FOR THE SEASON (2023-2024)……19.0 DEPARTURE…..-12.0
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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/+12/0.00/0.0/162/29 45 WNW VEC1 43 WNW RMY 47
1/12 47/33/40/+13/0.00/0.0/533/95 29 SE VEC1 28 ESE RMY 28
1/13 57/36/47/+21/1.72/0.0/146/26 47 ESE VEC1 51 ESE RMY 49
1/14 39/22/31/+5/0.02/0.4/328/58 53 WNW VEC1 52 WNW RMY 54
1/15 31/17/24/-2/T/T/475/84 30 WNW VEC1 29 WNW RMY 30
1/16 34/19/27/+1/0.61/3.2/000/00 36 NW VEC1 33 NW* RMY 31*
1/17 25/13/19/-7/0.00/0.0/529/93 29 NW VEC1 28 W* RMY 27*
1/18 26/13/20/-6/0.00/0.0/069/12 30 WSW VEC1 30 WSW RMY 29
1/19 27/16/22/-4/T/T/000/00 31 NW VEC1 30 NW RMY 34
1/20 20/10/15/-11/0.05/0.7/172/30 30 NW VEC1 30 NW RMY 31
1/21 25/10/18/-8/0.00/0.0/513/89 30 NW VEC1 31 NW RMY 32
1/22 37/13/25/-1/0.00/0.0/416/72 35 SW VEC1 35 SW RMY 36
1/23 38/30/34/+8/0.07/0.5/006/01 30 WSW VEC1 30 WSW RMY 31
1/24 39/29/34/+8/0.40/0.7/000/00 26 S VEC1 26 S RMY 26
1/25 50/39/45/+19/…/0.0/…/.. 35 SW VEC1 34 SSW RMY 36
1/26 40/35/38/+12/…/0.0/…/.. 23 ESE VEC1 23 ESE RMY 23
1/27 36/33/35/+9/…/0.0/…/.. 20 NNE VEC1 20 NNE RMY 19
1/28 The low since midnight is 32F, the daily normal low is 17F
* Reading impacted by icing
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JANUARY DAILY RECORDS TO DATE
1/13: RECORD PRECIPITATION OF 1.72 INS,
BEATS PREVIOUS RECORD OF 1.54 INS SET IN 1979
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DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR JANUARY 28
HIGH 59F IN 1916
LOW -9F IN 1888, 1924
PRECIP 2.18 INS. IN 1897
SNOWFALL 15.0 INS. IN 1897
PEAK GUST 78e MPH SSE IN 1977
RECORDS FOR JANUARY 29
HIGH 66F IN 2002
LOW -11F IN 1888
PRECIP 1.79 INS. IN 2022
SNOWFALL 21.7 INS. IN 2022
PEAK GUST 72 MPH NW IN 1973
TODAY’S REPORT PREPARED BY: Benjamin Turner
