Sunday, January 23, 2022

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

SUNDAY, JANUARY 23, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0706E
SUNSET:  1646E

CALMER DAY TODAY WITH MORE SEASONABLE TEMPERATURES….

Today was a normal, dry January day with a limited visibility of
40 miles. Skies were partly cloudy with mid and upper-level clouds.
Wind was westerly with sustained speeds of 10 mph at most
with any gusts staying under 20 mph.

Today was the first seasonable day in a while, with a max temperature
of freezing feeling mild in comparison to the preceding days.

The high so far today is 32F, this is 2 degrees below the normal
high of 34F. The low since midnight is 17F, which is the same as
the normal minimum.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Scattered altocumulus, broken cirrus
Temperature: 18F; Dew Point: 11F; Relative Humidity: 74%
Wind: WSW @ 9G14 kts
Sea-level pressure: 1013.5 mb; 29.93 in. Hg: rising then
falling
Visibility: 40 miles
6-hr Max temp: 19F
6-hr Min temp: 18F
24-hr Precip:  Trace
24-hr Snowfall: 0.2 inches
Snow Depth:  1 inch
BHO SA 1155 40 SCT 250 BKN 40 135/18/11/2509G14/993/ NEW SNW
PST 24 HRS 0.2 INS/ 8/051 4/001 55004 70000 10019 20018

10 A.M.
Weather: Broken altocumulus and cirrostratus
Temperature: 23F; Dew Point: 8F; Relative Humidity: 45%
Wind: WSW @ 7 kts
Sea-level pressure: 1012.1 mb; 29.89 in Hg; falling, then
more slowly
Visibility: 40 miles
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 40 BKN 250 BKN 40 121/23/8/2507/989/ 8/056
56014

1 P.M.
Weather: Scattered altocumulus, broken cirrostratus
Temperature: 31F, Dew point: 12F; Relative Humidity: 45%
Wind: W @ 8G15 kts
Sea-level pressure: 1009.2 mb; 29.80 in Hg; falling, then
more rapidly
Visibility: 35 miles, hazy
6-hr Max temp: 32F
6-hr Min temp: 18F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 1 inch
BHO SA 1755 40 SCT 250 BKN 35 092/31/12/2708G15/980/ HAZY/
8/056 4/001 58030 10032 20018

SUMMARY FOR SATURDAY, JANUARY 22, 2022

TEMPERATURE (DEGREES F)
MAX…….25     NORMAL…..34
MIN……..9     NORMAL…..17
MEAN……17     NORMAL…..26

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……………-9
TOTAL DEPARTURE FOR THE MONTH………………………-20 [-1.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………48  DEPARTURE…….+13
TOTAL HEATING UNITS FOR THE MONTH…………..859  DEPARTURE…….+19
TOTAL HEATING UNITS FOR THE SEASON…………2745  DEPARTURE……-305
TOTAL HEATING UNITS LAST SEASON TO DATE…….2640  DEPARTURE……+105

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….23 NNW @  9:01 A.M.
AEROVANE……………….22 NNW @  9:01 A.M.
VECTOR #2 (Instantaneous)..24     @  9:01 A.M.
DAVIS #2 ………………21 N   @  9:01 A.M.
RMY #2 (Instantaneous)…..22 NNW @  9:01 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………………16 NNW @  9:01 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..17     @  9:01 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………17 N   @  9:02 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..18 NNW @  9:01 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……9.1 NNW  [219 total miles] VECTOR #2…………….9.7
DAVIS #2……………..9.6 NNE
RMY #2……………….9.8 NNE
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…..-0.57
TOTAL PRECIPITATION FOR THE YEAR…………. 2.68  DEPARTURE…..-0.57

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.2  DEPARTURE……-0.4
TOTAL SNOWFALL FOR THE MONTH………………16.9  DEPARTURE……+4.2
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..19.6  DEPARTURE……-8.2

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  25/9/17/-9/T/0.2/…/..             23 NNW AERO 22 NNW RMY 22

1/23  The low since midnight is 17F, 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 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

RECORDS FOR JANUARY 24
HIGH 60F IN 1967
LOW -12F IN 1907
PRECIP 2.40 INS. IN 1935
SNOWFALL 11.3 INS. IN 1935
PEAK GUST 82 MPH S IN 1996

TODAY’S REPORT PREPARED BY: Benjamin Turner