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Wednesday, January 12, 2022

January 12, 2022

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, JANUARY 12, 2022 ALL TIMES ARE…

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

WEDNESDAY, JANUARY 12, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0712E
SUNSET:  1633E

MOSTLY CLOUDY WITH A SIGNIFICANT SOUTHWESTERLY BREEZE….

Today was on the windier side with an average of 20 mph coming
from the southwest. The highest gust seen today is almost 40 mph.
Skies were partly cloudy and the visibility was 30 mph on average.
Ice coverage on the ponds has endured despite temperatures climbing
into the upper 30’s.

The high so far today is 39F, which is 4 degrees above the normal
high of 35F. The low since midnight is 4F, which is 15 degrees below
the normal low of 19F.

————————————————————–

PRELIMINARY STATS FOR DECEMBER 2021

TEMPERATURE, Deg. F
Avg. Max. 43.0 [+2.8] Avg. Min. 29.7 [+4.8] Mean      36.4 [+3.9] 24-hour corrected mean: 36.2
Max. for month: 62F on the 11th
Min. for month: 15F on the 20th

HEATING DEGREE DAYS
Total heating units:    879 [-127] Total for the season:  1886 [-324] Total for last season: 2210

PRECIPITATION, Inches
Total: 2.63 [-2.76] Greatest in 24 hrs: 0.91 inch on the 18-19th

SNOWFALL, Inches
Total: 1.7 ins. [-10.3] Greatest in 24 hrs: 1.2 ins. from the 8th-9th

WIND, mph
Avg. uncorrected wind speed: 11.6 mph
Avg. corrected wind speed:   12.1 mph
Prevailing wind direction:   WNW [14%] Peak gust and direction:     59 WNW on the 6th

SUNSHINE:
Campbell-Stokes card minutes: 5790 minutes of a possible 16470 or 35%
Astronomical total minutes: 5973 minutes of a possible 17037 or 35%

————————————————————–

Today’s Observations:

7 A.M.
Weather: Scattered altocumulus, broken cirrostratus, few
distant stratocumulus offshore
Temperature: 12F; Dew Point: 7F; Relative Humidity: 80%
Wind: S @ 16G22 kts
Sea-level pressure: 1024.3 mb; 30.25 in. Hg: falling, then more slowly
Visibility: 15 miles, thin fog
6-hr Max temp: 12F
6-hr Min temp:  6F
24-hr Precip:  0.00 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 1 ins.
BHO SA 1155 140 SCT 230 BKN 15 243/12/7/1816G22/025/ FEW SC OFFSHR DSNT
NE-E-SE THN F ALQDS/ 8/578 4/001 56040 10012 20006

10 A.M.
Weather: Scattered altocumulus, broken cirrostratus, few
distant stratocumulus offshore
Temperature: 29F; Dew Point: 23F; Relative Humidity: 78%
Wind: SSW @ 23G38 kts, peak wind SSW 43 mph at 9:18 A.M.
Sea-level pressure: 1021.2 mb; 30.15 in Hg; falling, then
more rapidly
Visibility: 30 miles
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 140 SCT 230 BKN 30 212/29/23/2023G38/015/ FEW SC OFFSHR
DSNT NE-E-SE PK WND 2038/18/ 8/576 58031

1 P.M.
Weather: Scattered altocumulus, broken cirrostratus, few
distant stratocumulus offshore
Temperature: 38F, Dew point: 21F; Relative Humidity: 49%
Wind: SSW at 16G35 kts, peak of 42 mph SSW at 12:33 P.M.
Sea-level pressure: 1017.3 mb; 30.04 in Hg; falling, then more slowly
Visibility: 30 miles
6-hr Max temp: 39F
6-hr Min temp: 12F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: Trace
BHO SA 1755 140 SCT 250 BKN 30 173/38/21/2016G35/004/ FEW SC DSNT
OFFSHR NE-E-SE PK WND 2037/33/ 8/576 56039 10039 20012

SUMMARY FOR TUESDAY, JANUARY 11, 2022

TEMPERATURE (DEGREES F)
MAX…….17     NORMAL…..35
MIN……..4     NORMAL…..19
MEAN……11     NORMAL…..27

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………….-16
TOTAL DEPARTURE FOR THE MONTH……………………….+8 [+0.5 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………54  DEPARTURE…….+16
TOTAL HEATING UNITS FOR THE MONTH…………..403  DEPARTURE……..-9
TOTAL HEATING UNITS FOR THE SEASON…………2289  DEPARTURE……-333
TOTAL HEATING UNITS LAST SEASON TO DATE…….2289  DEPARTURE……..-8

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….36 NW  @ 10:34 A.M.
AEROVANE……………….37 NW  @ 10:34 A.M.
VECTOR #2 (Instantaneous)..39     @ 10:35 A.M.
DAVIS #2 ………………33 NW  @ 10:34 A.M.
RMY #2 (Instantaneous)…..37 NW  @ 10:34 A.M.
ASOS………..OUT OF SERVICE D/T RENOVATIONS
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………………25 NW  @ 10:34 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..26     @ 10:35 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………25 NNW @ 10:35 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..25 NW  @ 10:35 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE…….OUT OF SERVICE D/T RENOVATIONS
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……11.0 NW  [263 total miles] VECTOR #2…………….11.6
DAVIS #2……………..11.5 NW
RMY #2……………….11.5 NW
RMY #1…………..OUT OF SERVICE D/T RENOVATIONS
ASOS…………….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…..-0.15
TOTAL PRECIPITATION FOR THE MONTH………….1.37  DEPARTURE…..-0.29
TOTAL PRECIPITATION FOR THE YEAR…………. 1.37  DEPARTURE…..-0.29

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE MONTH………………15.8  DEPARTURE……+9.7
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..18.5  DEPARTURE……-2.7

PRELIMINARY CLIMATE SUMMARY FOR DECEMBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/PEAK GUST/AERO/RMY GUST
AERO: Aerovane wind recording system gust
RMY:  R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M:    Missing data

12/01   44/30/37/0.00/0.0/263/47          35 W   AERO 35 W   RMY 34
12/02   58/35/47/10/T/0.0/106/19          56 WNW AERO 59 WNW RMY 62 TSTM
12/03   41/28/35/-1/0.00/0.0/512/92       46 NW  AERO 44 NW  RMY 46
12/04   39/25/32/-4/0.00/0.0/233/42       25 SW  AERO 23 SW  RMY 26
12/05   45/32/39/+3/0.00/0.0/460/83       25 SE  AERO 25 SE  RMY 25
12/06   59/37/48/+13/0.34/0.0/077/14      59 WNW AERO 59 NW  RMY 60
12/07   40/29/35/0/T/0.0/436/79           47 WNW AERO 36 WNW RMY 48
12/08   34/25/30/-5/0.05/0.6/000/00       26 NNE AERO 25 NE  RMY 26
12/09   35/20/28/-6/0.05/0.6/319/58       32 NW  AERO 30 NW  RMY 33
12/10   43/27/35/+1/0.00/0.0/000/00       21 SE  AERO 20 SE  RMY 21
12/11   62/37/50/+16/0.34/0.0/000/00      57 SSW AERO 59 SSW RMY 58
12/12   58/36/47/+13/0.05/0.0/416/76      55 WNW AERO 55 WNW RMY 58
12/13   50/35/43/+10/0.00/0.0/224/41      32 WSW AERO 33 WSW RMY 33
12/14   50/33/42/+9/0.00/0.0/442/81       31 WSW AERO 30 WSW RMY 32
12/15   42/28/35/+2/T/0.0/153/28          35 SSE AERO 35 SSE RMY 36
12/16   58/42/50/+18/0.21/0.0/016/03      35 SW  AERO 37 SW  RMY 38
12/17   56/39/48/+16/0.00/0.0/518/95      43 WNW AERO 41 WNW RMY 46
12/18   39/31/35/+3/0.52/0.2/000/00       21 NNW AERO 20 NNW RMY 20
12/19   39/20/30/-2/0.39/0.0/082/15       35 NNW AERO 37 NNW RMY 36
12/20   32/15/24/-7/0.00/0.0/528/97       29 SSW AERO 30 SSW RMY 30
12/21   40/27/34/+3/0.00/0.0/371/68       31 SW  AERO 32 SW  RMY 33
12/22   45/30/38/+7/0.10/0.0/038/07       47 NW  AERO 45 NW  RMY 47
12/23   30/21/26/-5/0.00/0.0/441/81       39 NW  AERO 38 NW  RMY 37
12/24   25/20/23/-7/0.01/0.1/000/00       14 N   AERO 13 N   RMY 14
12/25   34/25/30/0/0.34/0.0/000/00        20 NNW AERO 20 NNW RMY 18
12/26   37/30/34/+4/0.09/T/120/22         37 NW  AERO 37 NW  RMY 37
12/27   33/26/30/0/T/T/071/13             32 NW  AERO 35 NW  RMY 35
12/28   42/30/36/+7/0.06/0.1/147/27       34 NW  AERO 32 NW  RMY 35
12/29   40/32/36/+7/0.01/0.1/000/00       13 WSW AERO 12 WSW RMY 13
12/30   39/36/38/+9/0.04/0.0/000/00       11 N   AERO 13 SE  RMY 11
12/31   43/39/41/+12/0.03/0.0/000/00      17 S   AERO 16 S   RMY 18

DAILY RECORDS FOR DECEMBER 2021

12/16/21: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 42F
TIES PREVIOUS RECORD OF 42F SET IN 1982

PRELIMINARY CLIMATE SUMMARY FOR JANUARY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/PEAK GUST/AERO/RMY GUST
AERO: Aerovane wind recording system gust
RMY:  R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M:    Missing data

1/1   51/43/47/+18/0.08/0.0/000/00        21 SSE AERO 21 SSE RMY 22
1/2   48/29/39/+11/0.29/0.0/000/00        35 NW  AERO 36 NW  RMY 35
1/3   29/18/24/-4/0.00/0.0/000/00         31 NNW AERO 30 N   RMY 30
1/4   30/12/21/-7/0.00/0.0/546/99         25 S   AERO 24 S   RMY 25
1/5   49/25/37/+9/0.21/0.0/000/00         45 S   AERO 48 S   RMY 47
1/6   40/27/34/+6/0.00/0.0/316/57         36 WNW AERO 36 WNW RMY 36
1/7   28/17/23/-4/0.78/15.7/000/00        39 WNW AERO 38 WNW RMY 39
1/8   26/11/19/-8/0.00/0.0/556/100        34 WNW AERO 32 WNW RMY 34
1/9   41/19/30/+3/0.01/T/017/03           50 SW  AERO 51 SW  RMY 53
1/10  36/17/27/0/T/T/…/..               44 WNW AERO 43 WNW RMY 46
1/11  17/4/11/-16/T/0.1/…/..            36 NW  AERO 37 NW  RMY 35

1/12  The low since midnight is 4F, the daily normal low is 19F

DAILY RECORDS FOR JANUARY 2022

1/1/22: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 43F
SURPASSES PREVIOUS RECORD OF 42F SET IN 1966

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

RECORDS FOR JANUARY 12
HIGH 68F IN 2020 [RECORD HIGH TIE FOR MONTH] LOW -15F IN 1886
PRECIP 2.04 INS. IN 2011
SNOW 18.2 INS. IN 2011
WIND 84e MPH S IN 1980

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

TODAY’S REPORT PREPARED BY: Benjamin Turner

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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
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