Friday, January 13, 2023
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
FRIDAY, JANUARY 13, 2023
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0712E
SUNSET: 1634E
OVERCAST WITH LIGHT RAIN, AND QUITE WINDY OUT OF THE SOUTH….
Today we observed overcast conditions with occasional light rain.
Rain totals were 0.84 inches overnight, with an additional 0.03 inches
falling between 7 A.M. and 1 P.M. Wind is southerly with an average
speed of 20 mph with frequent gusts around 40 mph. The highest gust
today was almost 60 mph, as seen earlier this morning.
Snow amounts have been underwhelming so far, with a monthly
deficit of 5.5 inches and a yearly deficit of 18 inches!
The high so far today is 55F, which is 20 degrees above
the normal maximum of 35F. The low since midnight is 50F,
which is 32 degrees above the normal minimum of 18F.
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Today’s Observations:
7 A.M.
Weather: Overcast stratus
Temperature: 54F; Dew Point: 54F; Relative Humidity: 100%
Wind: S @ 26G38 kts, peak of 54 mph S at 6:29 A.M. EST
Sea-level pressure: 1002.0 mb; 29.59 in. Hg: falling, then more slowly
Visibility: 10 miles due to thin fog
6-hr Max temp: 55F
6-hr Min temp: 50F
24-hr Precip: 0.84 ins.
24-hr Snowfall: Trace
Snow Depth: 0 ins.
BHO SA 1155 20 OVC 10 020/54/54/1826G38/959/ THN F ALQDS PK WND 1847/29
NEW SNW PST 24HRS TRACE/ 8/6// 56020 70084 10055 20050
10 A.M.
Weather: Overcast stratus
Temperature: 53F; Dew Point: 53F; Relative Humidity: 100%
Wind: SE @ 15G33 kts, peak of 41 mph S at 9:16 A.M. EST
Sea-level pressure: 1001.6 mb; 29.58 in. Hg: falling unsteadily
Visibility: 10 miles due to thin fog
3-hr Precip: 0.03 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 20 OVC 10 016/53/53/1815G33/958/ THN F ALQDS PK WND
1836/16/ 8/6// 57004 6003/
1 P.M.
Weather: Overcast stratus, light rain
Temperature: 51F; Dew Point: 51F; Relative Humidity: 100%
Wind: SSW @ 19G25 kts, peak of 34 mph S at 12:15 P.M.
Sea-level pressure: 999.8 mb; 29.51 in. Hg: falling, then more slowly
Visibility: 20 miles, thin fog
6-hr Max temp: 55F
6-hr Min temp: 49F
6-hr Precip: 0.03 ins.
6-hr Snowfall: Trace
Snow Depth: 0 ins.
BHO SA 1755 20 OVC 20R- 998/51/51/2019G25/951/ THN F ALQDS PK WND 1929/15/
8/6// 56018 6003/ 10055 20049
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SUMMARY FOR THURSDAY, JANUARY 12, 2023
TEMPERATURE (DEGREES F)
MAX…….48 NORMAL…..35
MIN…….28 NORMAL…..19
MEAN……38 NORMAL…..27
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…….+11
TOTAL DEPARTURE FOR THE MONTH……………….+92 [+7.5 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2022 THRU JUN 2023)
TOTAL HEATING UNITS FOR YESTERDAY……………27 DEPARTURE…….+11
TOTAL HEATING UNITS FOR THE MONTH…………..345 DEPARTURE……-105
TOTAL HEATING UNITS FOR THE SEASON…………2285 DEPARTURE……-405
TOTAL HEATING UNITS LAST SEASON TO DATE…….2331 DEPARTURE…….-76
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….45 S @ 10:58 P.M.
VECTOR #2 (Instantaneous)..47 @ 10:58 P.M.
DAVIS #2 ………………43 S @ 11:13 P.M.
RMY #2 (Instantaneous)…..46 S @ 10:58 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………………29 S @ 11:38 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..31 @ 11:18 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………29 SE @ 9:58 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..31 S @ 10:58 P.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…….12.1 SE [290 total miles]
VECTOR #2……………..12.2
DAVIS #2………………11.9 SE
RMY #2………………..12.3 SE
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……..0.84 DEPARTURE…..+0.69
TOTAL PRECIPITATION FOR THE MONTH…………..2.10 DEPARTURE…..+0.29
TOTAL PRECIPITATION FOR THE YEAR……………2.10 DEPARTURE…..+0.29
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………TRACE DEPARTURE……-0.5
TOTAL SNOWFALL FOR THE MONTH………………..1.1 DEPARTURE……-5.5
TOTAL SNOWFALL FOR THE SEASON (2022-2023)…….3.8 DEPARTURE…..-17.9
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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
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/…./0.1/…/.. 27 NW VEC1 N/A RMY 27
1/10 41/25/33/6/…./…/…/.. 28 NW VEC1 N/A RMY 28
1/11 33/18/26/-1/…./…/…/.. 19 N VEC1 N/A RMY 18
1/12 48/28/38/+11/…./…/…/.. 45 S VEC1 N/A RMY 46
1/13 The low since midnight is 50F, the daily normal low is 19F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR JANUARY 13
HIGH 60F IN 2018
LOW -11F IN 1912
PRECIP 1.54 INS. IN 1979
SNOWFALL 12.6 INS. IN 1964
PEAK GUST 74 MPH NE IN 1964
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
TODAY’S REPORT PREPARED BY: Benjamin Turner and Andrew Sullivan
