Saturday, January 22, 2022

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

SATURDAY, JANUARY 22, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0707E
SUNSET:  1645E

LIGHT SNOW THIS MORNING WITH GREAT VIEWS TO THE
NORTHWEST IN THE AFTERNOON….

Today started off with some light snow that amounted to 0.2 inches
as the morning went on. Only a trace of liquid was left in the
gauge, as the snow was very light and fluffy. Visibility
increased significantly after the snow, with 80 miles being
seen to the NW at the 1 P.M. observation. Ocean effect snow
was still seen to the northeast this afternoon, limiting
visibility that way to 25 miles.

Wind was northerly with sustained speeds of 10 mph at most
with any gusts staying under 20 mph.

The high so far today is 23F, this is 11 degrees below the normal
high of 34F. The low since midnight is 9F, which is 11 degrees
below the normal low of 17F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Overcast stratocumulus with light snow
Temperature: 11F; Dew Point: 3F; Relative Humidity: 63%
Wind: N @ 10 kts
Sea-level pressure: 1032.3 mb; 30.48 in. Hg: rising then
falling
Visibility: 3 miles, snow/fog
6-hr Max temp: 12F
6-hr Min temp:  9F
24-hr Precip:  Trace
24-hr Snowfall: Trace
Snow Depth: Trace
BHO SA 1155 30 OVC 3S-F 303/11/3/3610/042/ NEW SNW PST
24 HRS TRACE/ 8/5// 55004 70000 10012 20009

10 A.M.
Weather: Overcast stratocumulus with breaks overhead,
light snow
Temperature: 14F; Dew Point: 7F; Relative Humidity: 73%
Wind: N @ 11 kts
Sea-level pressure: 1029.5 mb; 30.40 in Hg; falling, then
more rapidly
Visibility: 5 miles, snow and fog
3-hr Precip:  Trace
3-hr Snowfall: 0.2 ins.
BHO SA 1455 30 OVC 5S-F 295/14/7/3611/040/ FEW BINOVC OVHD
NEW SNW PST 3 HRS 0.2 INS/ 8/500 58008 6000/

1 P.M.
Weather: Scattered stratocumulus
Temperature: 22F, Dew point: 12F; Relative Humidity: 65%
Wind: N @ 8 kts
Sea-level pressure: 1026.4 mb; 30.30 in Hg; falling, then
more rapidly
Visibility: 80 miles, then 25 miles NE-E due to some
ocean effect snow bands
6-hr Max temp: 23F
6-hr Min temp: 10F
6-hr Precip:  Trace
6-hr Snowfall: 0.2 ins.
Snow Depth: 1 inch
BHO SA 1755 30 SCT 80 264/22/12/3608/030/ VIRGA NE-E VSBY
25 MI NE-E NEW SNW PST 6 HRS 0.2 INS/ 8/500 4/001 58031 6000/
10023 20010

SUMMARY FOR FRIDAY, JANUARY 21, 2022

TEMPERATURE (DEGREES F)
MAX…….20     NORMAL…..34
MIN……..6     NORMAL…..17
MEAN……13     NORMAL…..26

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……………-13
TOTAL DEPARTURE FOR THE MONTH………………………-11 [-0.7 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………52  DEPARTURE…….+13
TOTAL HEATING UNITS FOR THE MONTH…………..811  DEPARTURE…….+10
TOTAL HEATING UNITS FOR THE SEASON…………2697  DEPARTURE……-314
TOTAL HEATING UNITS LAST SEASON TO DATE…….2611  DEPARTURE…….+86

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….29 NNW @  1:42 A.M.
AEROVANE……………….30 NNW @  1:42 A.M.
VECTOR #2 (Instantaneous)..31     @  1:42 A.M.
DAVIS #2 ………………26 N   @  1:42 A.M.
RMY #2 (Instantaneous)…..29 N   @  1:42 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………………21 NNW @  1:43 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..21     @  1:43 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………21 N   @  1:43 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..21 N   @  1:43 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…..10.1 NNW  [243 total miles] VECTOR #2……………10.5
DAVIS #2…………….10.5 N
RMY #2………………10.6 N
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……TRACE  DEPARTURE…..-0.14
TOTAL PRECIPITATION FOR THE MONTH………….2.68  DEPARTURE…..-0.43
TOTAL PRECIPITATION FOR THE YEAR…………. 2.68  DEPARTURE…..-0.43

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………..TRACE  DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE MONTH………………16.7  DEPARTURE……+4.6
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..19.4  DEPARTURE……-7.8

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

1/01  51/43/47/+18/0.08/0.0/000/00        21 SSE AERO 21 SSE RMY 22
1/02  48/29/39/+11/0.29/0.0/000/00        35 NW  AERO 36 NW  RMY 35
1/03  29/18/24/-4/0.00/0.0/000/00         31 NNW AERO 30 N   RMY 30
1/04  30/12/21/-7/0.00/0.0/546/99         25 S   AERO 24 S   RMY 25
1/05  49/25/37/+9/0.21/0.0/000/00         45 S   AERO 48 S   RMY 47
1/06  40/27/34/+6/0.00/0.0/316/57         36 WNW AERO 36 WNW RMY 36
1/07  28/17/23/-4/0.78/15.7/000/00        39 WNW AERO 38 WNW RMY 39
1/08  26/11/19/-8/0.00/0.0/556/100        34 WNW AERO 32 WNW RMY 34
1/09  41/19/30/+3/0.01/T/017/03           50 SW  AERO 51 SW  RMY 53
1/10  36/17/27/0/T/T/469/84               44 WNW AERO 43 WNW RMY 46
1/11  17/4/11/-16/T/0.1/560/100           36 NW  AERO 37 NW  RMY 35
1/12  40/5/23/-4/42/0.00/0.0/533/95       43 SSW AERO 44 SSW RMY 44
1/13  45/28/37/+11/0.00/0.0/332/59        22 SW  AERO 22 SW  RMY 22
1/14  38/12/25/-1/0.00/0.0/470/83         44 NW  AERO 41 N   RMY 43
1/15  13/1/7/-19/0.00/0.0/488/86          40 NW  AERO 39 NW  RMY 40
1/16  31/0/16/-10/0.00/0.0/…/..         29 ESE AERO 28 ESE RMY 30
1/17  46/31/39/+13/1.14/0.3/…/..        65 ESE AERO 74 ESE RMY 72
1/18  32/17/25/-1/…./…/…/..         46 WNW AERO 44 WNW RMY 45
1/19  44/16/30/+4/0.00/0.0/…/..         50 SSW AERO 53 SSW RMY 51
1/20  38/16/27/+1/0.17/0.6/…/..         34 N   AERO 35 N   RMY 34
1/21  20/6/13/-13/…./…/…/..         29 NNW AERO 30 NNW RMY 29

1/22  The low since midnight is 9F, the daily normal low is 17F

DAILY RECORDS FOR JANUARY 2022

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

1/17/22: DAILY RECORD PEAK GUST OF 65 MPH ESE,
SURPASSES THE PREVIOUS RECORD OF 62 MPH S IN 1994

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

RECORDS FOR JANUARY 22
HIGH 59F IN 1916
LOW -8F IN 1888,1976
PRECIP 1.24 INS. IN 1891,1987
SNOWFALL 10.0 INS. IN 2005
PEAK GUST 67 MPH W IN 1976

RECORDS FOR JANUARY 23
HIGH 62F IN 1906
LOW -10F IN 1976
PRECIP 1.69 INS. IN 1966
SNOWFALL 14.6 INS. IN 1966
PEAK GUST 85 MPH S IN 1992

TODAY’S REPORT PREPARED BY: Benjamin Turner