Tuesday, February 15, 2022

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

TUESDAY, FEBRUARY 15, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0642E
SUNSET:  1715E

AN ALMOST CLEAR AND COLD DAY WITH EXCELLENT VISIBILITY….

Today has been on the chilly side with a consistent westerly wind
around 10 mph. Visibility improved since this morning, reaching
85 miles at the 1 P.M. observation. Skies are mostly clear save
some distant stratocumulus.

It was cold up here this morning, with temperatures in the low
single digits to start the day off. Wind chill at the 7 A.M.
observation was -12 degrees!

The high so far today is 24F, this is 13 degrees below the normal
high of 37F. The low since midnight is 2F, which is 17 degrees below
the normal minimum of 19F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Few distant stratocumulus offshore NE-E-S,
Wind Chill -12F
Temperature: 3F; Dew Point: -5F; Relative Humidity: 68%
Wind: NW @ 11 kts
Sea-level pressure: 1032.3 mb; 30.48 in. Hg: rising unsteadily
Visibility: 75 miles
6-hr Max temp: 6F
6-hr Min temp: 2F
24-hr Precip:  Trace
24-hr Snowfall: 0.3 ins.
Snow Depth: 6 ins.
BHO SA 1155 CLR 75 323/3/-5/3111/048/ FEW SC DSNT OFFSHR NE-E-S
WIND CHILL -12F NEW SNW PST 24 HRS 0.3 INS/ 8/500 4/006 52034
70000 10006 20002

10 A.M.
Weather: Few distant stratocumulus offshore NE-E-S
Temperature: 15F; Dew Point: -5F; Relative Humidity: 41%
Wind: NW @ 13G22 kts
Sea-level pressure: 1034.7 mb; 30.56 in Hg: rising, then more slowly
Visibility: 80 miles
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 CLR 80 347/15/-5/3108G15/056/ FEW SC DSNT OFFSHR NE-E-S/
8/500 51024

1 P.M.
Weather: Few stratocumulus SW-W-NW
Temperature: 22F, Dew point: 2F; Relative Humidity: 41%
Wind: WNW @ 10G17 kts
Sea-level pressure: 1033.8 mb; 30.53 in Hg: steady then falling
Visibility: 85 miles
6-hr Max temp: 24F
6-hr Min temp: 3F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 5 ins.
BHO SA 1755 CLR 85 338/22/2/3010G17/053/ FEW SC SW-W-NW/ 8/500
4/005 58009 10024 20003

SUMMARY FOR MONDAY, FEBRUARY 14, 2022

TEMPERATURE (DEGREES F)
MAX…….22     NORMAL…..37
MIN……..6     NORMAL…..19
MEAN……14     NORMAL…..28

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..-14
TOTAL DEPARTURE FOR THE MONTH……………………..+65 [+4.4 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………51  DEPARTURE…….-14
TOTAL HEATING UNITS FOR THE MONTH…………..468  DEPARTURE…….-65
TOTAL HEATING UNITS FOR THE SEASON…………3609  DEPARTURE……-321
TOTAL HEATING UNITS LAST SEASON TO DATE…….3580  DEPARTURE…….+29

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….43 WNW @  1:46 P.M.
AEROVANE……………….40 WNW @  1:44 P.M.
VECTOR #2 (Instantaneous)..45     @  1:46 P.M.
DAVIS #2 ………………39 W   @  1:46 P.M.
RMY #2 (Instantaneous)…..43 WNW @  1:46 P.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………………27 WNW @  3:20 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..28     @  3:19 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………27 WNW @  3:19 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..27 WNW @  3:19 P.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 NNW [178 total miles] VECTOR #2…………….. 8.0
DAVIS #2……………… 7.5 N
RMY #2……………….. 7.9 N
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………….3.10  DEPARTURE…..+1.22
TOTAL PRECIPITATION FOR THE YEAR…………..7.69  DEPARTURE…..+1.31

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.3  DEPARTURE……-0.3
TOTAL SNOWFALL FOR THE MONTH……………….9.7  DEPARTURE……+0.1
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..57.8  DEPARTURE…..+14.5

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/…/..         43 WNW AERO 40 WNW RMY 43

2/15  The low since midnight is 2F, the daily normal low is 19F

DAILY RECORDS FOR FEBRUARY 2022

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

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

RECORDS FOR FEBRUARY 15
HIGH 60F IN 1954
LOW -18F IN 1943
PRECIP 2.07 INCHES IN 1940
SNOWFALL 14.4 INCHES IN 2015
PEAK GUST 94e MPH WNW IN 1946

RECORDS FOR FEBRUARY 16
HIGH 62F IN 1954
LOW -16F IN 1943
PRECIP 1.91 INCHES IN 1958
SNOWFALL 18.6 INCHES IN 1958
PEAK GUST 78 MPH W IN 1967

TODAY’S REPORT PREPARED BY: Benjamin Turner