Tuesday, June 11, 2024
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
TUESDAY, JUNE 11, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0407E
SUNSET: 1921E
PLEASANT WEATHER CONTINUES WITH COMFORTABLE TEMPERATURES AND
HUMIDITY LEVELS….
An area of mid level clouds pushed through early this morning,
after which sunshine made an appearance, however with the
chilly air aloft, diurnal cumulus clouds quickly formed and
have taken over the sky along with altocumulus and cirrus as
we move through the early afternoon hours.
Temperatures are being held back some due to all the cloud
cover with readings only reaching the upper 60s to near 70 up
to this point into the afternoon. The dew point continues to
be in splendid shape with readings once again today in the low
to mid 50s. This is indicative of a very delightful air-mass
in place for this time of year.
Winds have been fairly light today, averaging around 7mph
out of the west-northwest to northwest. The peak gust for the
day so far is 15mph, which occurred just after 2:30am this
morning.
Visibility has been excellent all day holding around 70 miles.
Once again another spectacular day of clear air, especially
considering the time of year!
The maximum temperature so far today is 70F degrees, which is
4 degrees below the normal high of 74F. The minimum temperature
since midnight is 53F degrees, which is 3 degrees below the
normal low of 56F.
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Today’s Observations:
7 A.M.
Weather: Broken altocumulus, broken cirrus, few stratocumulus all
quadrants
Temperature: 60F; Dew Point: 54F; Relative Humidity: 79%
Wind: NW @ 5 kts, wind light
Sea-level pressure: 1012.2 mb; 29.89 in. Hg: rising, then more slowly
Visibility: 70 miles
6-hr Max temp: 60F
6-hr Min temp: 53F
24-hr Precip: 0.00 inches
BHO SA 1155 E50 BKN 250 BKN 70 122/60/54/3105/989/ FEW SC ALQDS
WND LGT/ 8/551 51016 10060 20053
10 A.M.
Weather: Broken cumulus, broken cirrus
Temperature: 65F; Dew Point: 53F; Relative Humidity: 63%
Wind: W @ 5 kts, wind light and variable
Sea-level pressure: 1013.1 mb; 29.92 in. Hg: rising, then falling
Visibility: 70 miles
3-hr Precip: 0.00 inches
BHO SA 1455 E36 BKN 250 BKN 70 131/65/53/2705/992/ WND L/V/
8/201 50009
1 P.M.
Weather: Broken cumulus, broken altocumulus, broken cirrus
Temperature: 69F; Dew Point: 54F; Relative Humidity: 59%
Wind: Calm
Sea-level pressure: 1013.8 mb; 29.94 in. Hg: rising, then more slowly
Visibility: 70 miles
6-hr Max temp: 70F
6-hr Min temp: 60F
6-hr Precip: 0.00 inches
BHO SA 1755 E35 BKN 50 BKN 250 BKN 70 138/69/54/0000/994/
WND CALM/ 8/261 51007 10070 20060
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SUMMARY FOR MONDAY, JUNE 10, 2024
TEMPERATURE (DEGREES F)
MAX…….75 NORMAL…..74
MIN…….54 NORMAL…..56
MEAN……65 NORMAL…..65
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……………0
TOTAL DEPARTURE FOR THE MONTH…………………….+32 [+3.0 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY…………….0 DEPARTURE……..-3
TOTAL HEATING UNITS FOR THE MONTH…………….5 DEPARTURE…….-34
TOTAL HEATING UNITS FOR THE SEASON…………5384 DEPARTURE……-800
TOTAL HEATING UNITS LAST SEASON TO DATE…….5274 DEPARTURE……+110
COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024)
TOTAL COOLING UNITS FOR YESTERDAY…………….0 DEPARTURE……..-3
TOTAL COOLING UNITS FOR THE MONTH……………19 DEPARTURE……..-3
TOTAL COOLING UNITS FOR THE SEASON…………..56 DEPARTURE……..+6
TOTAL COOLING UNITS LAST SEASON TO DATE………45 DEPARTURE…….+11
PEAK WIND GUST (MPH):
Note: Instruments designated #1 = Main Tower, #2 = South Tower,
F420C, Contacting, Merlin, and Richards are all on Main Tower.
E=Estimated
F420C (Official)……….E28 W @ 04:22 P.M.
VECTOR #1 (1-Sec)……….27 W @ 04:22 P.M.
VECTOR #2 (1-Sec)……….28 W @ 04:22 P.M.
DAVIS #1……………….28 W @ 04:22 P.M.
DAVIS #2 ………………25 WNW @ 04:22 P.M.
RMY #1 (Instantaneous)…..27 NW @ 05:37 P.M.
RMY #2 (Instantaneous)…..27 W @ 04:22 P.M.
MERLIN…………………25 W
RICHARDS (C5C) (Inst)…..OTS
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………19 NW @ 06:11 P.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..19 @ 04:23 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..19 @ 05:45 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………20 W @ 04:23 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………19 WNW @ 05:46 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..18 W @ 04:23 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..19 W @ 05:45 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……10.5 W [252 total miles]
VECTOR #1…………….10.5
VECTOR #2…………….11.2
DAVIS #1……………..10.9 W
DAVIS #2……………..11.1 WNW
RMY #1……………….10.1 W
RMY #2……………….10.9 W
RICHARDS (C5C)…………OTS
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.16
TOTAL PRECIPITATION FOR THE MONTH…………..0.40 DEPARTURE…..-1.21
TOTAL PRECIPITATION FOR THE YEAR (2024)…….31.22 DEPARTURE…..+7.01
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PRELIMINARY CLIMATE SUMMARY FOR JUNE CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST
PEAK GUST: F420C (Official)
VEC1: Vector #1 1-second gust
RMY: R.M. Young #1 wind gust recording system (Instantaneous)
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M: Missing data
6/1 79/53/66/+4/0.00/878/97 18 WNW VEC1 20 NW RMY 20
6/2 83/52/68/+6/0.00/780/86 21 W VEC1 21 W RMY 21
6/3 78/57/68/+6/0.00/626/69 22 NE VEC1 22 NE RMY 21
6/4 75/55/65/+2/0.00/817/90 20 SSW VEC1 19 SSW RMY 19
6/5 84/56/70/+7/T/564/62 29 SW VEC1 28 SW RMY 29
6/6 74/60/67/+4/0.01/…/.. 20 SSE VEC1 20 SSE RMY 20
6/7 80/60/70/+6/0.14/…/.. 26 WNW VEC1 27 WNW RMY 27
6/8 73/54/64/0/T/…/.. 48 W VEC1 49 W RMY 47
6/9 67/55/61/-3/0.25/…/.. 29 WNW VEC1 28 WNW RMY 26
6/10 75/54/65/0/T/…/.. 28 W VEC1 27 W RMY 27
6/11 The low since midnight is 53F, the daily normal low is 56F.
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JUNE DAILY RECORDS TO DATE
NONE.
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DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR JUNE 11
HIGH 92F IN 1973, 1984, 1997
LOW 40F IN 1972
PRECIP 2.66 INCHES IN 1922
PEAK GUST 43e MPH S IN 1945
RECORDS FOR JUNE 12
HIGH 94F IN 2017
LOW 40F IN 1906
PRECIP 1.79 INS 1955
PEAK GUST 58 MPH NW IN 1991
TODAY’S REPORT PREPARED BY: Matt Douglas
