Sunday, January 2, 2022

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

SUNDAY, JANUARY 2, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0713E
SUNSET:  1622E

CARBON COPY OF YESTERDAY, THE SUNLESS STREAK CONTINUES….

Visibility has stayed at a 1/16th mile all day today due
to fog. A light drizzle has persisted, only leaving 0.02 inches
in the gauge by the 1 P.M. observation. Wind is on the lighter
side since 7 A.M., but did reach 18 mph earlier on this morning.

Overnight rainfall left 0.34 inches in the gauge this morning,
with an additional 0.02 inches falling by 1 P.M.

The high so far today is 45F, which is 9 degrees above
the normal high of 36F. The low since midnight is 42F, which
is 21 degrees above the normal low of 21F.

Definitely a mild day for early January!

Here are some interesting monthly and annual rankings per our
Chief Scientist Mike Iacono! December tied for tenth warmest and
2021 tied for fifth warmest year.

BHO Warmest December 24-hour Adjusted Mean Temperature, deg F (1885-2021):

1) 42.9 in 2015
2) 38.1 in 2006
3) 37.5 in 2011
4) 37.3 in 2001
5) 37.2 in 1891
6) 36.9 in 1998
7) 36.7 in 1990
8) 36.6 in 1953
9) 36.3 in 1996
10) 36.2 in 2012
36.2 in 2021

BHO Warmest Annual Mean Temperature, deg F (1885-2021):

1) 51.7 in 2012
2) 51.3 in 2020
3) 51.2 in 2016
4) 51.0 in 2010
5) 50.9 in 1999
50.9 in 2021
7) 50.8 in 1998
8) 50.6 in 2006
9) 50.5 in 1953
10) 50.4 in 2011

————————————————————–

Today’s Observations:

7 A.M.
Weather: Light drizzle
Temperature: 42F; Dew Point: 42F; Relative Humidity: 100%
Wind: NNE @ 5 kts, wind light
Sea-level pressure: 1001.0 mb; 29.56 in. Hg: rising then falling
Visibility: 1/16 mile, fog
6-hr Max temp: 48F
6-hr Min temp: 42F
24-hr Precip:  0.34 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 X W3 1/16L-F 010/42/42/0205/956/ WND LGT/ 8//// 55002
70034 10048 20042

10 A.M.
Weather: Light drizzle
Temperature: 43F; Dew Point: 43F; Relative Humidity: 100%
Wind: NW @ 5 kts (wind light)
Sea-level pressure: 1001.0 mb; 29.56 in Hg; falling then rising
Visibility: 1/16 mile, fog
3-hr Precip:  0.01 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 X W3 1/16L-F 010/43/43/3105/956/ WND LGT/ 8//// 50000
6001/

1 P.M.
Weather: Light drizzle
Temperature: 44F, Dew point: 44F; Relative Humidity: 100%
Wind: W at 6 kts, wind light
Sea-level pressure: 1000.9 mb; 29.56 in Hg; falling, then rising
Visibility: 1/16 miles, fog
6-hr Max temp: 45F
6-hr Min temp: 42F
6-hr Precip:  0.02 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 X W3 1/16L-F 009/44/44/2706/956/ WND LGT/ 8//// 55001
6002/ 10045 20042

SUMMARY FOR SATURDAY, JANUARY 1, 2022

TEMPERATURE (DEGREES F)
MAX…….51     NORMAL…..36
MIN…….43     NORMAL…..21
MEAN……47     NORMAL…..29

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………….+18
TOTAL DEPARTURE FOR THE MONTH……………………….+18 [+17.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………18  DEPARTURE…….-18
TOTAL HEATING UNITS FOR THE MONTH……………18  DEPARTURE…….-19
TOTAL HEATING UNITS FOR THE SEASON…………1904  DEPARTURE……-342
TOTAL HEATING UNITS LAST SEASON TO DATE…….1964  DEPARTURE…….-60

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….21 SSE @ 10:57 A.M.
AEROVANE……………….21 SSE @ 10:19 A.M.
VECTOR #2 (Instantaneous)..22     @ 10:57 A.M.
DAVIS #2 ………………25 S   @ 11:00 A.M.
RMY #2 (Instantaneous)…..22 S   @ 10:57 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………………15 SSE @ 10:57 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..16     @ 10:57 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………15 S   @ 11:00 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..16 S   @ 10:57 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……7.3 SSE  [176 total miles] VECTOR #2…………….8.0
DAVIS #2……………..7.4 S
RMY #2……………….8.2 S
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…….0.34  DEPARTURE…..+0.19
TOTAL PRECIPITATION FOR THE MONTH………….0.34  DEPARTURE…..+0.19
TOTAL PRECIPITATION FOR THE YEAR…………..0.34  DEPARTURE…..+0.19

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE MONTH……………….0.0  DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE SEASON (2021-2022)……2.7  DEPARTURE…..-13.0

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/…./0.1/…/..       34 NW  AERO 32 NW  RMY 35
12/29   40/32/36/+7/…./T/…/..         13 WSW AERO 12 WSW RMY 13
12/30   39/36/38/+9/…./0.0/…/..       11 N   AERO 13 SE  RMY 11
12/31   43/39/41/+12/…./0.0/…/..      17 S   AERO 16 S   RMY 18

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/…./0.0/…/..        21 SSE AERO 21 SSE RMY 22

1/2   The low since midnight is 42F, the daily normal low is 21F

DAILY RECORDS FOR DECEMBER 2021

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

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 2
HIGH 62F IN 1890
LOW -7F IN 1899,1918
PRECIP 2.10 INS. IN 1987
SNOWFALL 10.9 INS. IN 2014
PEAK GUST 85e MPH S IN 1942

RECORDS FOR JANUARY 3
HIGH 64F IN 2000
LOW -4F IN 1904
PRECIP 1.93 INS. IN 1999
SNOW 11.3 INS. 1996
PEAK GUST 92 MPH S IN 1960

TODAY’S REPORT PREPARED BY: Benjamin Turner