Sunday, February 27, 2022

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

SUNDAY, FEBRUARY 27, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0626E
SUNSET:  1729E

MOSTLY CLEAR WITH DECENT VISIBILITY AND
A NOTABLE WESTERLY WIND….

Today featured almost clear skies and limited visibility
due to a distant haze. Wind was westerly with an average
speed of 15 mph and a max gust of 32 mph. Wind is increasing
in conjunction with a pressure drop of 4 millibars since
the 10 A.M. observation. Visibility was 55 miles at most.

The high so far today is 37F, 2 degrees below the normal
maximum of 39F. The low since midnight is 18F, which is 4
degrees below the normal minimum of 22F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Clear, few stratocumulus E-S
Temperature: 20F; Dew Point: 14F; Relative Humidity: 78%
Wind: WSW @ 15 kts
Sea-level pressure: 1016.4 mb; 30.01 in. Hg: falling unsteadily
Visibility: 45 miles
6-hr Max temp: 21F
6-hr Min temp: 18F
24-hr Precip:  0.00 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 7 ins.
BHO SA 1155 CLR 45 164/20/14/2415/001/ FEW SC E-S/ 8/500 4/007
57022 10021 20018

10 A.M.
Weather: Clear, few stratocumulus E-S and few cirrostratus
Temperature: 29F; Dew Point: 16F; Relative Humidity: 59%
Wind: W @ 18G24 kts
Sea-level pressure: 1013.6 mb; 29.93 in Hg: falling, then more
rapidly
Visibility: 55 miles
3-hr Precip:  0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 CLR 55 136/29/16/2718G24/993/ FEW SC E-S FEW CS ALQDS/
8/505 58028

1 P.M.
Weather: Few stratocumulus E-S and few cirrostratus
Temperature: 35F, Dew point: 17F; Relative Humidity: 47%
Wind: W @ 14G28 kts, peak of 32 mph W at 12:53 P.M.
Sea-level pressure: 1009.4 mb; 29.81 in Hg: Falling, then more
rapidly
Visibility: 45 miles
6-hr Max temp: 37F
6-hr Min temp: 20F
6-hr Precip:  0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 6 ins.
BHO SA 1755 CLR 45 094/35/17/2714G28/981/ FEW SC E-S FEW CS ALQDS
PK WND 2728/53/ 8/505 4/006 58042 10037 20020

SUMMARY FOR SATURDAY, FEBRUARY 26, 2022

TEMPERATURE (DEGREES F)
MAX…….29     NORMAL…..39
MIN…….10     NORMAL…..22
MEAN……20     NORMAL…..31

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……………-11
TOTAL DEPARTURE FOR THE MONTH………………………+99 [+4.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………45  DEPARTURE…….+11
TOTAL HEATING UNITS FOR THE MONTH…………..862  DEPARTURE…….-99
TOTAL HEATING UNITS FOR THE SEASON…………3003  DEPARTURE……-361
TOTAL HEATING UNITS LAST SEASON TO DATE…….3990  DEPARTURE…….+13

PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….22 W   @ 11:29 P.M.
AEROVANE……………….18 W   @ 11:35 P.M.
VECTOR #2 (Instantaneous)..22     @ 11:29 P.M.
DAVIS #2 ………………20 W   @ 11:29 P.M.
RMY #2 (Instantaneous)…..21 W   @ 11:29 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………………15 W   @ 11:29 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..15     @ 11:34 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………16 W   @ 11:31 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..15 W   @ 11:39 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……7.7 NW [185 total miles] VECTOR #2…………….8.5
DAVIS #2……………..7.7 WNW
RMY #2……………….8.4 WNW
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………….5.54  DEPARTURE…..+1.86
TOTAL PRECIPITATION FOR THE YEAR………….10.13  DEPARTURE…..+1.95

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0  DEPARTURE……-0.6
TOTAL SNOWFALL FOR THE MONTH………………18.3  DEPARTURE……+1.3
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..66.4  DEPARTURE…..+15.7

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  32/15/24/-6/…./…/…/..         33 ENE AERO 32 NNW RMY 33
2/26  29/10/20/-11/…./…/…/..        22 W   AERO 18 W   RMY 21

2/27 The low since midnight is 18F, 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 27
HIGH 61F IN 1976
LOW -8F IN 1900
PRECIP 1.43 INCHES IN 2013
SNOWFALL 6.0 INCHES IN 1922
PEAK GUST 67 MPH W IN 1985

RECORDS FOR FEBRUARY 28
HIGH 62F IN 1976
LOW -2F IN 1907,1934
PRECIP 1.79 INCHES IN 1958
SNOWFALL 8.5 INCHES IN 2005
PEAK GUST 88e MPH SSW IN 1943

TODAY’S REPORT PREPARED BY: Benjamin Turner