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Wednesday, January 25, 2023

January 25, 2023

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, JANUARY 25, 2023 ALL TIMES ARE…

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

WEDNESDAY, JANUARY 25, 2023
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0704E
SUNSET:  1649E

CLOUDS THICKENING TODAY AHEAD OF THE NEXT STORM SYSTEM…

Clouds are once again the theme today as they have been
thickening since early this morning. Any brief sun early
this morning is but a distant memory now. A little light
snow started just before the 1pm observation as an
initial band associated with the incoming storm system
moves through southern New England.

Despite the cloud cover, the temperature is gradually
rising through the low to mid 30s early this afternoon,
destined for the low 50s overnight tonight.

The wind has been quite light today, gradually veering from
the west this morning to south early this afternoon. The
average speed for the day is only around 8mph.

The high so far today is 35F, which is 1 degrees above the
normal maximum of 34F. The low since midnight is 27F, which
is 10 degrees above the normal minimum of 17F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Scattered altocumulus, thin broken cirrus, few stratocumulus
offshore distant NE-ESE
Temperature: 28F; Dew Point: 24F; Relative Humidity: 85%
Wind: WNW @ 8 kts
Sea-level pressure: 1027.2 mb; 30.33 in. Hg: rising, then more rapidly
Visibility: 50 miles
6-hr Max temp: 30F
6-hr Min temp: 27F
24-hr Precip:  0.00 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 2 ins.
BHO SA 1155 150 SCT 250 -BKN 50 272/28/24/3008/033/ FEW SC
OFFSHR DSNT NE-ESE/ 8/571 4/002 53019 10030 20027

10 A.M.
Weather: Broken altocumulus, overcast altostratus, few stratocumulus
offshore distant NE-SE, virga all quadrants
Temperature: 32F; Dew Point: 26F; Relative Humidity: 80%
Wind: N @ 5 kts, wind light
Sea-level pressure: 1027.0 mb; 30.33 in. Hg: rising, then falling
Visibility: 50 miles
3-hr Precip:  0.00 ins
3-hr Snowfall: 0.0 ins.
BHO SA 1455 E110 BKN 150 OVC 50 270/32/26/0105/033/ FEW SC OFFSHR
DSNT NE-SE VIRGA ALQDS WND LGT/ 8/52/ 58002

1 P.M.
Weather: Overcast nimbostratus, few stratocumulus E-SE, very light snow
Temperature: 34F; Dew Point: 27F; Relative Humidity: 77%
Wind: S @ 2 kts, wind light
Sea-level pressure: 1026.6 mb; 30.32 in. Hg: falling, then rising
Visibility: 10 miles, 30 miles E-S
6-hr Max temp: 35F
6-hr Min temp: 28F
6-hr Precip:  Trace
6-hr Snowfall: Trace
Snow Depth: 2 ins.
BHO SA 1755 E65 OVC 10S- 266/34/27/E1802/032/ FEW SC DSNT E-SE
S-B53 PCPN VRY LGT VSBY 30 E-S WND LGT NEW SNW PST 6 HRS TRACE/
8/52/ 4/002 55004 6000/ 10035 20028

————————————————————–

SUMMARY FOR TUESDAY, JANUARY 24, 2023

TEMPERATURE (DEGREES F)
MAX…….35   NORMAL…..34
MIN…….25   NORMAL…..17
MEAN……30   NORMAL…..26

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL………+4
TOTAL DEPARTURE FOR THE MONTH……………….+193 [+7.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………35  DEPARTURE……..-4
TOTAL HEATING UNITS FOR THE MONTH…………..724  DEPARTURE……-195
TOTAL HEATING UNITS FOR THE SEASON…………2634  DEPARTURE……-495
TOTAL HEATING UNITS LAST SEASON TO DATE…….2825  DEPARTURE……-191

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….32 WNW @  1:54 P.M.
VECTOR #2 (Instantaneous)..33     @  1:54 P.M.
DAVIS #2 ………………31 W   @  1:54 P.M.
RMY #2 (Instantaneous)…..32 WNW @  1:52 P.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………………21 NW  @ 12:20 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..22     @  1:46 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………22 WNW @  1:54 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..21 WNW @  1:46 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…….13.5 WNW [323 total miles] VECTOR #2……………..14.1
DAVIS #2………………14.1 WNW
RMY #2………………..14.0 W
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…………..5.38 DEPARTURE…..+1.85
TOTAL PRECIPITATION FOR THE YEAR……………5.38 DEPARTURE…..+1.85

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE MONTH……………….11.3 DEPARTURE……-2.6
TOTAL SNOWFALL FOR THE SEASON (2022-2023)……14.0 DEPARTURE…..-15.0

————————————————————–

PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST
VEC1: Vector #1 1-second gust
RMY:  R.M. Young 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   53/38/46/+17/0.04/0.0/412/75        39 WNW  VEC1 N/A    RMY 60
1/2   49/33/41/+13/0.00/0.0/044/08        39 WNW  VEC1 N/A    RMY 39
1/3   48/37/43/+15/0.50/0.0/000/00        23 S    VEC1 N/A    RMY 24
1/4   43/37/40/+12/0.31/0.0/000/00        23 NE   VEC1 N/A    RMY 23
1/5   43/33/38/+10/0.23/0.0/000/00        34 ENE  VEC1 N/A    RMY 37
1/6   35/31/33/+5/0.18/1.0/000/00         19 NNE  VEC1 N/A    RMY 19
1/7   40/30/35/+8/0.00/0.0/105/19         22 NW   VEC1 N/A    RMY 23
1/8   36/20/28/+1/0.00/0.0/517/93         26 NNW  VEC1 N/A    RMY 28
1/9   42/26/34/+7/T/0.1/267/48            27 NW   VEC1 N/A    RMY 27
1/10  41/25/33/6/0.00/0.0/318/57          28 NW   VEC1 N/A    RMY 28
1/11  33/18/26/-1/T/0.1/358/64            19 N    VEC1 N/A    RMY 18
1/12  48/28/38/+11/0.29/0.1/000/00        45 S    VEC1 N/A    RMY 46
1/13  55/36/46/+20/0.62/0.0/000/00        54 SSW  VEC1 N/A    RMY 56
1/14  36/29/33/+7/0.11/T/000/00           30 NNE  VEC1 N/A    RMY M
1/15  33/26/30/+4/0.10/1.2/000/00         45 NNE  VEC1 N/A    RMY 45
1/16  30/26/28/+2/0.22/2.7/000/00         36 NNE  VEC1 N/A    RMY 37
1/17  47/25/36/+10/0.02/0.0/415/73        22 WSW  VEC1 N/A    RMY 23
1/18  49/35/42/+16/0.01/0.0/314/55        37 NW   VEC1 N/A    RMY 38
1/19  38/32/35/+9/0.75/T/000/00           31 NNE  VEC1 N/A    RMY 32
1/20  35/29/32/+6/0.56/1.6/000/00         52 NE   VEC1 N/A    RMY 54
1/21  31/25/28/+2/0.01/0.2/000/00         21 NW   VEC1 N/A    RMY 21
1/22  35/25/30/+4/0.25/0.2/000/00         21 N    VEC1 N/A    RMY 20
1/23  34/27/31/+5/1.18/4.1/000/00         36 NNW  VEC1 N/A    RMY 37
1/24  35/25/20/+4/0.00/0.0/…/..         32 WNW  VEC1 N/A    RMY 32

1/25 The low since midnight is 27F, the daily normal low is 17F

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

RECORDS FOR JANUARY 25
HIGH 56F IN 2010
LOW -9F IN 1935
PRECIP 2.24 INS. IN 1979
SNOWFALL 12.5 INS. IN 1941
PEAK GUST 81 MPH WNW IN 1972

RECORDS FOR JANUARY 26
HIGH 68F IN 1950 [RECORD HIGH TIE FOR MONTH] LOW -5F IN 1920
PRECIP 1.60 INS. IN 1958
SNOW 9.0 INS. IN 1898
WIND 90e MPH SE IN 1978

TODAY’S REPORT PREPARED BY: Matt Douglas

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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
Part I — Data Use Policy
§ 01

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§ 05

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