Thursday, February 24, 2022

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

THURSDAY, FEBRUARY 24, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0627E
SUNSET:  1728E

BACK TO COLD IN THIS ROLLERCOASTER PATTERN….

Today was much colder after matching yesterday’s
high temperature record of 67F, set in 2017.
Visibility was 80 miles on average under overcast
skies. Wind is lighter and northwesterly with
an average speed of 10 mph after a windy day yesterday.

Despite a pressure rise of around 20 millibars overnight,
it is starting to drop off after 1 PM.

The high so far today is 27F, 12 degrees below the normal
maximum of 39F. The low since midnight is 20F, which is a
degree below the normal minimum of 21F. Quite the change
from yesterday!

————————————————————–

Today’s Observations:

7 A.M.
Weather: Broken altocumulus and overcast cirrus
Temperature: 21F; Dew Point: 6F; Relative Humidity: 51%
Wind: NNW @ 13G20 kts
Sea-level pressure: 1030.0 mb; 30.42 in. Hg: rising,
then more rapidly
Visibility: 80 miles
6-hr Max temp: 28F
6-hr Min temp: 21F
24-hr Precip:  0.00 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 120 BKN 250 OVC 80 300/21/6/3413G20/042/
8/051 53044 10028 20021

10 A.M.
Weather: Broken altocumulus, overcast cirrus
Temperature: 23F; Dew Point: 10F; Relative Humidity: 58%
Wind: N @ 7G13 kts
Sea-level pressure: 1031.5 mb; 30.47 in Hg: rising
unsteadily
Visibility: 80 miles
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 120 BKN 250 OVC 80 315/23/10/3607G13/047/
8/051 52015

1 P.M.
Weather: Scattered altocumulus, overcast cirrostratus
Temperature: 25F, Dew point: 5F; Relative Humidity: 42%
Wind: N @ 4 kts, light and variable
Sea-level pressure: 1031.8 mb; 30.48 in Hg: rising unsteadily
Visibility: 80 miles
6-hr Max temp: 27F
6-hr Min temp: 20F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 120 BKN 250 OVC 80 318/25/5/3604/048/ WND L/V/
8/056 52003 10027 20020

SUMMARY FOR WEDNESDAY, FEBRUARY 23, 2022

TEMPERATURE (DEGREES F)
MAX…….67     NORMAL…..39
MIN…….30     NORMAL…..21
MEAN……49     NORMAL…..30

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..+19
TOTAL DEPARTURE FOR THE MONTH……………………..+121 [+5.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………16  DEPARTURE…….-19
TOTAL HEATING UNITS FOR THE MONTH…………..736  DEPARTURE……-121
TOTAL HEATING UNITS FOR THE SEASON…………3877  DEPARTURE……-383
TOTAL HEATING UNITS LAST SEASON TO DATE…….3904  DEPARTURE…….-27

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….50 WNW @  9:00 P.M.
AEROVANE……………….47 SSW @ 12:18 A.M.
VECTOR #2 (Instantaneous)..54     @ 12:17 A.M.
DAVIS #2 ………………49 SSW @  9:47 P.M.
RMY #2 (Instantaneous)…..53 WNW @ 12:17 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………………38 WNW @  4:04 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..36     @ 12:52 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………35 WNW @  4:04 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..38 WNW @ 12:19 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…….19.8 SSW [475 total miles] VECTOR #2……………..20.0
DAVIS #2………………19.9 W
RMY #2………………..19.9 W
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………….4.38  DEPARTURE…..+1.17
TOTAL PRECIPITATION FOR THE YEAR…………..8.97  DEPARTURE…..+1.26

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH……………….9.9  DEPARTURE……-5.3
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..58.0  DEPARTURE……+9.1

PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 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

2/01  31/16/24/-2/T/0.2/018/03            19 NNE AERO 18 NNE RMY 19
2/02  44/31/38/+12/T/0.0/096/16           20 SSE AERO 21 SSE RMY 20
2/03  47/36/42/+16/0.16/0.0/000/00        27 SSW AERO 28 SSW RMY 28
2/04  49/19/34/+8/1.53/0.7/000/00         35 NNE AERO 37 NNE RMY 38
2/05  21/11/16/-11/0.01/0.2/251/41        25 NW  AERO 25 NW  RMY M
2/06  27/5/16/-11/0.00/0.0/570/93         20 NNW AERO 21 NNW RMY M
2/07  41/21/31/+4/0.59/0.2/000/00         25 ESE AERO 23 ESE RMY 25
2/08  39/30/35/+8/0.27/0.0/006/01         33 W   AERO 32 WNW RMY 34
2/09  42/24/33/+6/0.00/0.0/608/98         30 WNW AERO 29 WNW RMY 31
2/10  50/31/41/+14/0.00/0.0/312/50        36 W   AERO 37 SW  RMY 38
2/11  52/32/42/+15/0.00/0.0/569/91        32 S   AERO 31 S   RMY 34
2/12  59/35/47/+19/0.00/0.0/433/69        50 W   AERO 46 W   RMY 48
2/13  35/22/29/+1/0.41/5.7/000/00         26 WNW AERO 21 WNW RMY 26
2/14  22/6/14/-14/0.13/2.7/418/66         43 WNW AERO 40 WNW RMY 43
2/15  25/2/14/-14/0.00/0.0/636/100        31 W   AERO 28 W   RMY 31
2/16  43/16/30/+2/0.00/0.0/505/79         49 S   AERO 51 S   RMY 52
2/17  59/43/51/22/0.04/0.0/218/34         49 SW  AERO 48 SW  RMY 53
2/18  59/21/40/+11/0.69/0.0/419/65        58 SW  AERO 58 S   RMY 60
2/19  37/15/26/-3/0.02/0.2/349/54         56 WNW AERO 53 WNW RMY 54 TSTM
2/20  32/11/22/-7/0.00/0.0/553/85         42 WNW AERO 42 SW  RMY 44
2/21  55/28/42/+13/0.00/0.0/619/95        36 SW  AERO 35 SW  RMY 39
2/22  52/33/43/+13/…./0.0/…/..        66 S   AERO 70 S   RMY 68
2/23  67/30/49/+19/…./0.0/…/..        50 WNW AERO 47 SSW RMY 49

2/24   The low since midnight is 21F, the daily normal low is 21F

DAILY RECORDS FOR FEBRUARY 2022

2/12/22: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 59F,
SURPASSES PREVIOUS RECORD OF 56F SET IN 1999

2/17/22: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 43F,
SURPASSES PREVIOUS RECORD OF 38F SET IN 1981

2/23/22: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 67F,
TIES RECORD OF 67F SET IN 2017

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

RECORDS FOR FEBRUARY 24
HIGH 71F IN 2017 [RECORD HIGH FOR MONTH] LOW -11F IN 1894
PRECIP 3.10 INCHES IN 1969
SNOWFALL 27.4 INCHES IN 1969 [HIGHEST CALENDAR DAY AMOUNT ON RECORD] PEAK GUST 63 MPH NE IN 1998

RECORDS FOR FEBRUARY 25
HIGH 68F IN 2017
LOW -10F IN 1894
PRECIP 2.40 INCHES IN 1981
SNOWFALL 13.6 INCHES IN 1966
PEAK GUST 76 MPH S IN 2016

TODAY’S REPORT PREPARED BY: Benjamin Turner