Wednesday, April 13, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
WEDNESDAY, APRIL 13, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0506E
SUNSET: 1824E
WARMER THAN NORMAL TEMPERATURES WITH OVERCAST SKIES
THIS AFTERNOON….
Today we observed 70 miles of visibility on average with
wind picking up in the afternoon hours. Wind is currently
a little above 10 mph with a max gust around 20 mph.
Skies are mostly cloudy with breaks as pressure is on a
steady drop. Sunshine is still a feature as the sky features
mostly mid and upper-level clouds.
Temperatures today are normal for late May!
The high so far today is 71F, which is 15 degrees above the
normal maximum of 56F. The low since midnight is 47F, which
is 10 degrees above the normal minimum of 37F.
————————————————————–
Today’s Observations:
7 A.M.
Weather: Scattered altocumulus, broken thin cirrostratus
Temperature: 55F; Dew Point: 31F; Relative Humidity: 39%
Wind: SW @ 2 kts, light and variable
Sea-level pressure: 1019.8 mb; 30.11 in. Hg: rising unsteadily
Visibility: 70 miles
6-hr Max temp: 55F
6-hr Min temp: 47F
24-hr Precip: 0.06 ins.
24-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1155 140 SCT 250 -BKN 70 198/55/31/3002/011/ WND L/V/ 8/056
52015 70006 10055 20047
10 A.M.
Weather: Scattered altocumulus, broken thin cirrostratus
Temperature: 64F; Dew Point: 29F; Relative Humidity: 26%
Wind: S @ 9G15 kts
Sea-level pressure: 1018.0 mb; 30.05 in Hg: steady, then falling
Visibility: 65 miles
3-hr Precip: 0.00 ins.
3-hr Snowfall: 0.0 ins.
BHO SA 1455 140 SCT 250 -BKN 65 180/64/29/1809G15/005/ 8/056 58018
1 P.M.
Weather: Scattered stratocumulus, broken altocumulus
Temperature: 64F, Dew point: 29F; Relative Humidity: 23%
Wind: S @ 12G20 kts
Sea-level pressure: 1015.3 mb; 29.97 in Hg: falling, then more
slowly
Visibility: 65 miles
6-hr Max temp: 71F
6-hr Min temp: 55F
6-hr Precip: 0.00 ins.
6-hr Snowfall: 0.0 ins.
Snow Depth: 0 ins.
BHO SA 1755 60 SCT 80 BKN 65 153/64/29/1812G20/997/ 8/550 56027
10071 20055
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SUMMARY FOR TUESDAY, APRIL 12, 2022
TEMPERATURE (DEGREES F)
MAX…….68 NORMAL…..55
MIN…….46 NORMAL…..37
MEAN……57 NORMAL…..46
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……+11
TOTAL DEPARTURE FOR THE MONTH………………+48 [+3.8 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………8 DEPARTURE…….-11
TOTAL HEATING UNITS FOR THE MONTH…………..212 DEPARTURE…….-49
TOTAL HEATING UNITS FOR THE SEASON…………5075 DEPARTURE……-533
TOTAL HEATING UNITS LAST SEASON TO DATE…….5042 DEPARTURE…….+33
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)…….32 W @ 4:37 A.M.
AEROVANE……………….30 W @ 4:37 A.M.
VECTOR #2 (Instantaneous)..34 @ 4:37 A.M.
DAVIS #2 ………………30 W @ 4:37 A.M.
RMY #2 (Instantaneous)…..31 W @ 4:37 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 W @ 4:36 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..23 @ 4:37 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………24 WNW @ 4:37 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..23 WNW @ 4:37 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…….12.0 WNW [287 total miles]
VECTOR #2……………..12.7
DAVIS #2………………12.6 W
RMY #2………………..12.6 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…….0.06 DEPARTURE…..-0.12
TOTAL PRECIPITATION FOR THE MONTH………….1.14 DEPARTURE…..-0.93
TOTAL PRECIPITATION FOR THE YEAR………….14.45 DEPARTURE…..-1.64
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M………….0.0 DEPARTURE……-0.1
TOTAL SNOWFALL FOR THE MONTH……………….0.0 DEPARTURE……-1.9
TOTAL SNOWFALL FOR THE SEASON (2021-2022)…..70.7 DEPARTURE……+1.9
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/+7/0.00/0.0/698/90 25 SSW AERO 24 S RMY 25
4/06 44/39/42/-1/0.22/0.0/000/00 33 ENE AERO 32 E RMY 34
4/07 52/38/45/+1/0.06/0.0/000/00 50 ESE AERO 50 ESE RMY 53
4/08 61/42/52/+8/0.24/0.0/470/60 45 ESE AERO 45 SE RMY 47 TSTM
4/09 59/39/49/+5/0.10/0.0/291/37 40 S AERO 40 S RMY 43
4/10 55/35/45/0/T/0.0/560/71 35 NW AERO 32 NW RMY 34
4/11 62/35/49/+4/T/0.0/728/92 31 NNW AERO 30 NNW RMY 31
4/12 68/46/57/+11/0.06/0.0/…/.. 32 W AERO 30 W RMY 31
4/13 The low since midnight is 47F, the daily normal low is 37F
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR APRIL 13
HIGH 85 IN 1945
LOW 22 IN 1939
PRECIP 2.51 IN. IN 2004
SNOWFALL 6.8 IN. IN 1933
PEAK GUST 79 MPH S IN 2020
RECORDS FOR APRIL 14
HIGH 80 IN 1945
LOW 21 IN 1923
PRECIP 1.86 IN. IN 1935
SNOWFALL 8.4 IN. IN 1953
PEAK GUST 71e MPH W IN 1943
TODAY’S REPORT PREPARED BY: Benjamin Turner
