Monday, April 11, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
MONDAY, APRIL 11, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0510E
SUNSET: 1821E
PLEASANT SPRING DAY WITH A BOAT LOAD OF SUNSHINE….
Today has featured wall to wall sunshine with only a few
cirrus clouds approaching from the SSW-NW this afternoon.
Temperatures have been quite pleasant reaching the upper 50s
and lower 60s.
The wind was a bit gusty this morning, but has slackened off
as we progress into the afternoon, allowing for a very
pleasant feel to the day.
Visibility has been excellent holding around 80 miles all day!
The high so far today is 59F, which is 5 degrees above the
normal maximum of 54F. The low since midnight is 35F, which
is 1 degree below the normal minimum of 36F.
————————————————————–
Today’s Observations:
7 A.M.
Weather: Clear
Temperature: 39F; Dew Point: 26F; Relative Humidity: 59%
Wind: NW @ 15G23 kts
Sea-level pressure: 1016.3 mb; 30.01 in. Hg: rising, then more slowly
Visibility: 80 miles
6-hr Max temp: 39F
6-hr Min temp: 35F
24-hr Precip: Trace
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 CLR 80 163/39/26/3115G23/001/ 8/000 51035 70000 10039 20035
10 A.M.
Weather: Clear
Temperature: 51F; Dew Point: 27F; Relative Humidity: 40%
Wind: NW @ 9G17 kts, wind SW variable N
Sea-level pressure: 1017.6 mb; 30.05 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 80 176/51/27/3109G17/005/ WND 23V01/ 8/000 51013
1 P.M.
Weather: Clear, few cirrus distant SSW-NW
Temperature: 59F, Dew point: 33F; Relative Humidity: 37%
Wind: SW @ 8 kts, wind SE variable NNW
Sea-level pressure: 1017.3 mb; 30.05 in Hg: falling, then rising
Visibility: 80 miles
6-hr Max temp: 59F
6-hr Min temp: 39F
6-hr Precip: 0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 CLR 80 173/59/33/2308/004/ FEW CI DSNT SSW-NW WND 14V33/
8/001 55003 10059 20039
————————————————————–
SUMMARY FOR SUNDAY, APRIL 10, 2022
TEMPERATURE (DEGREES F)
MAX…….55 NORMAL…..54
MIN…….35 NORMAL…..36
MEAN……45 NORMAL…..45
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……. 0
TOTAL DEPARTURE FOR THE MONTH………………+33 [+3.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………20 DEPARTURE…….. 0
TOTAL HEATING UNITS FOR THE MONTH…………..188 DEPARTURE…….-34
TOTAL HEATING UNITS FOR THE SEASON…………5051 DEPARTURE……-518
TOTAL HEATING UNITS LAST SEASON TO DATE…….5001 DEPARTURE…….+50
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………….0 DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH…………….0 DEPARTURE………0
TOTAL COOLING UNITS FOR THE SEASON……………0 DEPARTURE………0
TOTAL COOLING UNITS LAST SEASON TO DATE……….0 DEPARTURE………0
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….35 NW @ 7:47 P.M.
AEROVANE……………….32 NW @ 7:47 P.M.
VECTOR #2 (Instantaneous)..38 @ 7:47 P.M.
DAVIS #2 ………………32 WNW @ 1:40 P.M.
RMY #2 (Instantaneous)…..34 WNW @ 1:40 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………………25 NW @ 12:09 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..24 @ 12:09 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………24 NW @ 12:09 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..24 NW @ 12:09 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…….14.0 NW [337 total miles]
VECTOR #2……………..14.5
DAVIS #2………………14.3 NW
RMY #2………………..14.2 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……TRACE DEPARTURE…..-0.18
TOTAL PRECIPITATION FOR THE MONTH………….1.08 DEPARTURE…..-0.63
TOTAL PRECIPITATION FOR THE YEAR………….14.39 DEPARTURE…..-1.34
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0 DEPARTURE……-0.2
TOTAL SNOWFALL FOR THE MONTH……………….0.0 DEPARTURE……-1.7
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..70.7 DEPARTURE……+2.1
PRELIMINARY CLIMATE SUMMARY FOR APRIL 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
4/01 57/35/46/+5/0.41/0.0/183/24 56 WNW AERO 55 WNW RMY 58
4/02 52/34/43/+2/0.00/0.0/697/91 45 WNW AERO 43 WNW RMY 47
4/03 51/36/44/+2/0.03/0.0/215/28 23 NE AERO 18 NE RMY 23
4/04 56/35/46/+4/0.02/0.0/610/79 35 NW AERO 30 NW RMY 34
4/05 62/37/50/+7/0.00/0.0/…/.. 25 SSW AERO 24 S RMY 25
4/06 44/39/42/-1/0.22/0.0/…/.. 33 ENE AERO 32 E RMY 34
4/07 52/38/45/+1/0.06/0.0/…/.. 50 ESE AERO 50 ESE RMY 53
4/08 61/42/52/+8/0.24/0.0/…/.. 45 ESE AERO 45 SE RMY 47 TSTM
4/09 59/39/49/+5/0.10/0.0/…/.. 40 S AERO 40 S RMY 43
4/10 55/35/45/0/T/0.0/…/.. 35 NW AERO 32 NW RMY 34
4/11 The low since midnight is 35F, the daily normal low is 36F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR APRIL 11
HIGH 85 IN 2017
LOW 19 IN 1909
PRECIP 1.72 IN. IN 2003
SNOWFALL 9.5 IN. IN 1958
PEAK GUST 65 MPH NW IN 1963
RECORDS FOR APRIL 12
HIGH 82 IN 1945
LOW 17 IN 1926
PRECIP 1.51 IN. IN 1993
SNOWFALL 9.0 IN. IN 1894
PEAK GUST 65e MPH W IN 1978
TODAY’S REPORT PREPARED BY: Matt Douglas
