Friday, February 25, 2022

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

FRIDAY, FEBRUARY 25, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0626E
SUNSET:  1729E

SUN AND WARMTH OF EARLIER IS NOW A DISTANT MEMORY..

The exceptionally mild temperatures from Wednesday
have quickly slid into the past as we awoke to snow
and cold. After all, it is still February and winter.

The first snow measurement of the day clocked in at
2.8″ at 7a. By 10a, 6.7″ had fallen and that’s when
most of the accumulating precip concluded & moved
offshore. So, the current total storm stands at 6.9″.

A strong high pressure to the north kept temperatures
in the upper-20s for most today. However, warmer air
has slowly filtered in off the ocean giving us a current
reading of 32F and rising. While the dominate p-type
had been snow, sleet has been the theme since late morning
thanks to a southerly wind aloft.

Winds have been averaging around 12 MPH, so very little
drifting and blowing making snow measurements easy.

The high so far today is 32F, 7 degrees below the normal
maximum of 39F. The low since midnight is 24F, which is 2
degrees above the normal minimum of 22F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Heavy Snow & Fog (sky obscured, vertical visibility 300 ft)
Temperature: 26F; Dew Point: 26F; Relative Humidity: 100%
Wind: E @ 10G17 kts
Sea-level pressure: 1022.9 mb; 30.21 in. Hg: Falling, then falling more rapidly
Visibility: 1/4 miles
6-hr Max temp: 26F
6-hr Min temp: 24F
24-hr Precip:  0.31 ins.
24-hr Snowfall: 2.8 ins.
Snow Depth: 3 ins.
BHO SA 1155 X W3 1/4S+F 229/26/26/1010G17/021/ TOTAL NEW SNW PST 24 HRS 2.8 INS/
8//// 4/003 58045 6031/ 70031 10026 20024

10 A.M.
Weather: Light Sleet & Fog (sky obscured, vertical visibility 300 ft)
Temperature: 28F; Dew Point: 28F; Relative Humidity: 100%
Wind: E @ 14G23 kts
Sea-level pressure: 1018.6 mb; 30.08 in Hg: Falling, then falling more rapidly
(Pressure falling rapidly)
Visibility: 1/2 mile
3-hr Precip:  0.48 ins.
3-hr Snowfall: 3.9 ins.
BHO SA 1455 X W3 1/2IP-F 186/28/28/1014G23/008/ PRESFR
NEW SNW PST 3 HRS 3.9 INS/ 8//// 58043 6048/

1 P.M.
Weather: Light Sleet & Fog (sky obscured, vertical visibility 300 ft)
Temperature: 31F, Dew point: 31F; Relative Humidity: 100%
Wind: NE @ 7G15 kts
Sea-level pressure: 1012.4mb; 29.90 in Hg: Falling, then falling more slowly
Visibility: 1/4 miles
6-hr Max temp: 32F
6-hr Min temp: 26F
6-hr Precip:  0.65 ins.
6-hr Snowfall: 4.1 ins.
Snow Depth: 7 ins.
BHO SA 1755 X W3 1/4IP-F 124/31/31/0507G15/990/ NEW SNW PST 6
HOURS 4.1 INS/ 8//// 4/007 56062 6065/ 10032 20026

SUMMARY FOR THURSDAY, FEBRUARY 24, 2022

TEMPERATURE (DEGREES F)
MAX…….30     NORMAL…..39
MIN…….20     NORMAL…..21
MEAN……25     NORMAL…..30

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………….-5
TOTAL DEPARTURE FOR THE MONTH……………………..+116 [+4.6 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………40  DEPARTURE……..+5
TOTAL HEATING UNITS FOR THE MONTH…………..776  DEPARTURE……-116
TOTAL HEATING UNITS FOR THE SEASON…………3917  DEPARTURE……-378
TOTAL HEATING UNITS LAST SEASON TO DATE…….3927  DEPARTURE…….-10

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….32 NNW @ 12:34 A.M.
AEROVANE……………….31 NNW @ 12:34 A.M.
VECTOR #2 (Instantaneous)..35     @ 12:34 A.M.
DAVIS #2 ………………29 NNW @ 12:10 A.M.
RMY #2 (Instantaneous)…..32 NNW @ 12:13 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………………22 NNW @ 12:12 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..22     @ 12:11 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………22 NNW @ 12:14 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..22 WNW @ 12:14 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…….7.4 NW [178 total miles] VECTOR #2……………..8.1
DAVIS #2………………7.7 NNW
RMY #2………………..7.9 NW
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…….0.31  DEPARTURE…..+0.15
TOTAL PRECIPITATION FOR THE MONTH………….4.69  DEPARTURE…..+1.32
TOTAL PRECIPITATION FOR THE YEAR…………..9.28  DEPARTURE…..+1.41

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….2.8  DEPARTURE……+2.2
TOTAL SNOWFALL FOR THE MONTH………………12.7  DEPARTURE……-3.1
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..60.8  DEPARTURE…..+11.3

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  30/20/25/-5/0.00/0.0/…/..         32 NNW AERO 31 NNW RMY 32

2/25 The low since midnight is 24F, the daily normal low is 22F

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 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

RECORDS FOR FEBRUARY 26
HIGH 67F IN 1957
LOW -7F IN 1928
PRECIP 2.24 INCHES IN 1979
SNOWFALL 11.1 INCHES IN 1933
PEAK GUST 66 MPH W IN 1961

TODAY’S REPORT PREPARED BY: Andrew Swanson