Saturday, May 14, 2022
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, MAY 14, 2022
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0424E
SUNSET: 1858E
ANOTHER SUMMER DAY WITH GOOD VISIBILITY ATOP
GREAT BLUE HILL….
We observed very warm conditions today, almost hitting
85 degrees by 1 P.M. Wind was southwesterly with an
average speed a little above 10 mph. Dew points are
in the low 60’s, making for enjoyable weather conditions
overall. Visibility was limited this morning due to some
haze, but did reach 75 miles by the 1 P.M. observation.
Some brush fires were witnessed from the summit a little
before noontime!
The high so far today is 84F, which is 18 degrees above the
normal maximum of 66F. The low since midnight is 63F, which
is 15 degrees above the normal minimum of 48F.
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Today’s Observations:
7 A.M.
Weather: Scattered altocumulus, scattered cirrostratus, few
cumulus
Temperature: 68F; Dew Point: 62F; Relative Humidity: 80%
Wind: W @ 8G14 kts
Sea-level pressure: 1027.8 mb; 30.35 in. Hg: rising then falling
Visibility: 30 miles, haze
6-hr Max temp: 68F
6-hr Min temp: 63F
24-hr Precip: 0.00 ins.
BHO SA 1155 130 SCT 250 SCT 30 195/68/62/2708G14/011/ FEW CU ALQDS
HAZY/ 8/131 55001 10068 20063
10 A.M.
Weather: Scattered altocumulus, broken cirrus, few cumulus
Temperature: 78F; Dew Point: 60F; Relative Humidity: 54%
Wind: SW @ 11G16 kts
Sea-level pressure: 1018.5 mb; 30.08 in Hg: falling, then
more rapidly
Visibility: 65 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 130 SCT 250 BKN 65 185/78/60/2311G16/008/ FEW CU ALQDS/
8/131 58010
1 P.M.
Weather: Scattered cumulus, broken cirrostratus
Temperature: 83F, Dew point: 62F; Relative Humidity: 49%
Wind: WSW @ 8G15 kts
Sea-level pressure: 1016.6 mb; 30.02 in Hg, falling, then more
slowly
Visibility: 75 miles
6-hr Max temp: 84F
6-hr Min temp: 68F
6-hr Precip: 0.00 ins.
BHO SA 1755 40 SCT 250 BKN 75 166/83/62/2508G15/002/ 8/106 56019
10084 20068
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SUMMARY FOR FRIDAY, MAY 13, 2022
TEMPERATURE (DEGREES F)
MAX…….82 NORMAL…..66
MIN…….56 NORMAL…..47
MEAN……69 NORMAL…..57
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……+12
TOTAL DEPARTURE FOR THE MONTH………………-44 [-1.1 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY…………..0 DEPARTURE……..-9
TOTAL HEATING UNITS FOR THE MONTH…………164 DEPARTURE…….+29
TOTAL HEATING UNITS FOR THE SEASON……….5528 DEPARTURE……-494
TOTAL HEATING UNITS LAST SEASON TO DATE…..5498 DEPARTURE…….+30
COOLING DEGREE DAYS (SEASON: JAN 2022 THRU DEC 2022)
TOTAL COOLING UNITS FOR YESTERDAY…………..4 DEPARTURE……..+3
TOTAL COOLING UNITS FOR THE MONTH…………..4 DEPARTURE……..-2
TOTAL COOLING UNITS FOR THE SEASON………….4 DEPARTURE……..-5
TOTAL COOLING UNITS LAST SEASON TO DATE……..0 DEPARTURE………0
PEAK WIND GUST (MPH):
Official (1-Sec AVG)…….33 SSW @ 5:09 P.M.
AEROVANE……………….N/A
VECTOR #2 (Instantaneous)..34 @ 5:09 P.M.
DAVIS #2 ………………35 S @ 5:15 P.M.
RMY #2 (Instantaneous)…..34 SSW @ 5:09 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………………22 SSW @ 5:10 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..24 @ 5:09 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………23 SSW @ 5:10 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..24 SSW @ 5:09 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……..8.7 SSW [209 total miles]
VECTOR #2………………9.2
DAVIS #2……………….9.0 SW
RMY #2…………………9.5 SSW
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…..-0.12
TOTAL PRECIPITATION FOR THE MONTH………….0.58 DEPARTURE…..-0.99
TOTAL PRECIPITATION FOR THE YEAR………….16.86 DEPARTURE…..-3.49
PRELIMINARY CLIMATE SUMMARY FOR MAY CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/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
5/01 69/40/55/+2/0.00/786/93 25 SSE AERO 25 SSE RMY 27
5/02 58/42/50/-4/0.21/059/07 21 NE AERO 19 NE RMY 20
5/03 57/43/50/-4/0.23/229/27 23 ENE AERO 22 ENE RMY 24
5/04 52/45/49/-5/0.14/000/00 19 NW AERO 18 SE RMY 19
5/05 70/46/58/+3/0.00/666/78 23 NNW AERO 21 NNW RMY 23
5/06 63/49/56/+1/0.00/051/06 20 S AERO 18 S RMY 21
5/07 49/42/46/-9/0.00/112/13 48 ENE AERO 51 ENE RMY 50
5/08 51/40/46/-9/0.00/621/72 43 ENE AERO N/A RMY 47
5/09 54/39/47/-9/0.00/838/97 43 ENE AERO N/A RMY 46
5/10 57/43/50/-6/0.00/…/.. 44 ENE AERO N/A RMY 46
5/11 58/43/51/-5/0.00/…/.. 36 NE AERO N/A RMY 38
5/12 68/48/58/+1/T/…/.. 17 ENE AERO N/A RMY 18
5/13 82/56/69/+12/T/…/.. 33 SSW AERO N/A RMY 34
5/14 The low since midnight is 63F, the daily normal low is 48F
DAILY RECORDS
05/14/2022: NEW HIGH MINIMUM TEMPERATURE RECORD OF 56F, REPLACING
52F SET IN 1945 AND 1947.
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR MAY 14
HIGH 85F IN 1961
LOW 33F IN 1895
PRECIP 1.93 INCHES IN 2006
PEAK GUST 53 MPH S IN 2009
RECORDS FOR MAY 15
HIGH 93F IN 1900
LOW 36F IN 1947,1985
PRECIP 1.63 INCHES IN 1978
PEAK GUST 53e MPH NE IN 1978, W 2002
TODAY’S REPORT PREPARED BY: Benjamin Turner
