Monday, January 24, 2022

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

MONDAY, JANUARY 24, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0705E
SUNSET:  1648E

TRANQUIL, BUT COLD DAY UNDER A MIX OF SUN AND CLOUDS….

A period of light snow dusted the region last night leaving 0.1″
on the summit. This melted down to 0.01″ of liquid as well.

Other than that, it’s been rather quiet. A mix of sun and clouds
have been the theme today with limited visibility due to thin
fog early this morning, and then general haziness from mid morning
into this afternoon.

The wind has been very light for the most part since early this
morning, averaging around 7-8mph. The peak gust for the day
thus far is 22mph which occurred early this morning.

The high so far today is 26F, this is 8 degrees below the normal
high of 34F. The low since midnight is 19F, which is 2 degrees
above the normal minimum of 17F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Clear, few stratocumulus all quadrant
Temperature: 20F; Dew Point: 18F; Relative Humidity: 92%
Wind: NNW @ 9 kts
Sea-level pressure: 1011.5 mb; 29.87 in. Hg: rising, then more rapidly
Visibility: 15 miles, thin fog
6-hr Max temp: 24F
6-hr Min temp: 20F
24-hr Precip:  0.01 ins.
24-hr Snowfall: 0.1 ins.
Snow Depth:  1 inch
BHO SA 1155 CLR 15 115/20/18/3409/987/ FEW SC ALQDS THN F ALQDS
TOTAL NEW SNW PST 24 HRS 0.1 INS/ 8/500 4/001 53024 70001 10024 20020

10 A.M.
Weather: Broken altocumulus, thin broken cirrus, few stratocumulus
distant W-WNW
Temperature: 22F; Dew Point: 15F; Relative Humidity: 74%
Wind: NNW @ 6 kts, wind light
Sea-level pressure: 1013.1 mb; 29.92 in Hg; rising, then more slowly
Visibility: 35 miles, hazy
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 E65 BKN 250 -BKN 35 131/22/15/3406/992/ FEW SC DSNT W-WNW
HAZY WND LGT/ 8/551 51016

1 P.M.
Weather: Scattered stratocumulus, broken altocumulus
Temperature: 26F, Dew point: 14F; Relative Humidity: 60%
Wind: NNE @ 2 kts, wind light
Sea-level pressure: 1011.8 mb; 29.88 in Hg; steady then falling
Visibility: 40 miles, hazy
6-hr Max temp: 26F
6-hr Min temp: 19F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 1 inch
BHO SA 1755 30 SCT 55 SCT 40 118/26/14/0302/988/ WND LGT/ 8/550 4/001
58013 10026 20019

SUMMARY FOR SUNDAY, JANUARY 23, 2022

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

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……………  0
TOTAL DEPARTURE FOR THE MONTH………………………-20 [-1.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………39  DEPARTURE…….  0
TOTAL HEATING UNITS FOR THE MONTH…………..898  DEPARTURE…….+18
TOTAL HEATING UNITS FOR THE SEASON…………2784  DEPARTURE……-306
TOTAL HEATING UNITS LAST SEASON TO DATE…….2683  DEPARTURE……+101

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….26 WSW @  3:43 A.M.
AEROVANE……………….26 WSW @  3:43 A.M.
VECTOR #2 (Instantaneous)..27     @  3:16 A.M.
DAVIS #2 ………………25 WSW @  3:43 A.M.
RMY #2 (Instantaneous)…..26 WSW @  3:19 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………………19 SSW @  1:13 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..19     @  3:52 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………20 SW  @  3:51 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..19 SW  @  1:01 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……9.8 SW  [234 total miles] VECTOR #2……………10.6
DAVIS #2…………….10.5 WSW
RMY #2………………10.6 WSW
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…….0.01  DEPARTURE…..-0.13
TOTAL PRECIPITATION FOR THE MONTH………….2.69  DEPARTURE…..-0.70
TOTAL PRECIPITATION FOR THE YEAR…………. 2.69  DEPARTURE…..-0.70

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.1  DEPARTURE……-0.5
TOTAL SNOWFALL FOR THE MONTH………………17.0  DEPARTURE……+3.7
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..19.7  DEPARTURE……-8.7

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/-1/0.00/0.0/…/..         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/-13/0.00/0.0/…/..         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  34/17/26/0/0.01/0.1/…/..          26 WSW AERO 26 WSW RMY 26

1/24  The low since midnight is 19F, 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 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

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

TODAY’S REPORT PREPARED BY: Matt Douglas