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Tuesday, June 4, 2024

June 4, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA TUESDAY, JUNE 4, 2024 ALL TIMES ARE…

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

TUESDAY, JUNE 4, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0409E
SUNSET:  1917E

INCREASING HIGH CLOUDS, BUT STILL WARM AND DRY WITH LIGHT WIND….

Sunshine has been the theme today despite an increase in high
thin cirrus clouds as we pushed into the afternoon hours. A
few cumulus have also developed as well.

Temperatures have warmed into the low to mid 70s with a nice
light breeze off the ocean. The dew point is creeping up however,
on the threshold of the “humid” category as it has reached the 60
degree mark early this afternoon.

The wind has been light most of the day, and even went calm for
a time this morning, but has finally shown some signs of increasing
a bit as we approach mid afternoon. The direction was fairly
variable this morning, but has finally settled into a east-
northeast sea-breeze this afternoon. The average speed for the day
so far is around 6mph. The peak gust to this point is around 17mph,
which occurred just before 2am this morning.

Visibility has been limited all day due to pine pollen. The day
started with a view of around 40 miles, but it has decreased
this afternoon to only around 30 miles as the pollen continues
to be released by the trees.

The maximum temperature so far today is 75F degrees, which is
3 degrees above the normal high of 72F. The minimum temperature
since midnight is 55F degrees, which is 1 degree above the
normal low of 54F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Clear, few stratus fractus distant NW-NE-SE-SSW, few
cirrus distant WNW-NW
Temperature: 62F; Dew Point: 56F; Relative Humidity: 79%
Wind: Calm
Sea-level pressure: 1018.3 mb; 30.07 in. Hg: rising, then more slowly
Visibility: 40 miles, hazy
6-hr Max temp: 62F
6-hr Min temp: 55F
24-hr Precip:  0.00 inches
BHO SA 1155 CLR 40 183/62/56/0000/007/ FEW STFRA DSNT NW-NE-SE-SSW
FEW CI DSNT WNW-NW HAZY WND CALM/ 8/701 51014 10062 20055

10 A.M.
Weather: Clear, few cumulus all quadrants, few cirrus distant WSW-NW-NE
Temperature: 68F; Dew Point: 56F; Relative Humidity: 63%
Wind: ESE @ 4 kts, wind light
Sea-level pressure: 1019.1 mb; 30.09 in. Hg: rising, then more slowly
Visibility: 40 miles, hazy
3-hr Precip:  0.00 inches
BHO SA 1455 CLR 40 191/68/56/1204/009/ FEW CU ALQDS FEW CI DSNT
WSW-NW-NE HAZY WND LGT/ 8/201 51008

1 P.M.
Weather: Thin broken cirrus, few cumulus all quadrants
Temperature: 74F; Dew Point: 60F; Relative Humidity: 61%
Wind: ENE @ 6 kts, wind light
Sea-level pressure: 1017.6 mb; 30.05 in. Hg: falling, then more rapidly
Visibility: 30 miles, hazy
6-hr Max temp: 75F
6-hr Min temp: 62F
6-hr Precip:  0.00 inches
BHO SA 1755 E250 -BKN 30 176/74/60/0606/005/ FEW CU ALQDS HAZY
WND LGT/ 8/201 58015 10075 20062

————————————————————–

SUMMARY FOR MONDAY, JUNE 3, 2024

TEMPERATURE (DEGREES F)
MAX…….78   NORMAL…..71
MIN…….57   NORMAL…..54
MEAN……68   NORMAL…..62

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..+6
TOTAL DEPARTURE FOR THE MONTH…………………….+16 [+5.1 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY…………….0  DEPARTURE……..-4
TOTAL HEATING UNITS FOR THE MONTH…………….0  DEPARTURE…….-14
TOTAL HEATING UNITS FOR THE SEASON…………5379  DEPARTURE……-779
TOTAL HEATING UNITS LAST SEASON TO DATE…….5213  DEPARTURE……+166

COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024)
TOTAL COOLING UNITS FOR YESTERDAY…………….3  DEPARTURE……..+1
TOTAL COOLING UNITS FOR THE MONTH…………….7  DEPARTURE……..+2
TOTAL COOLING UNITS FOR THE SEASON…………..44  DEPARTURE…….+11
TOTAL COOLING UNITS LAST SEASON TO DATE………45  DEPARTURE……..-1

PEAK WIND GUST (MPH):
Note: Instruments designated #1 = Main Tower, #2 = South Tower,
F420C, Contacting, Merlin, and Richards are all Main Tower.
E=Estimated

F420C (Official)……….E22 NE   @  09:05 A.M.
VECTOR #1 (1-Sec)……….22 NE   @  09:05 A.M.
VECTOR #2 (1-Sec)……….21 NE   @  09:05 A.M.
DAVIS #1……………….20 E    @  09:57 A.M.
DAVIS #2 ………………20 ENE  @  10:03 A.M.
RMY #1 (Instantaneous)…..21 NE   @  09:05 A.M.
RMY #2 (Instantaneous)…..22 NE   @  09:09 A.M.
MERLIN…………………19 ENE
RICHARDS (C5C) (Inst)…….M

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………15 NE   @  09:10 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..14      @  09:06 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..15      @  02:10 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………15 ENE  @  01:18 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………15 E    @  02:10 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..14 NE   @  09:06 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..15 NW   @  04:23 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……….M

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL…….9.4 ENE [226 total miles] VECTOR #1……………..9.6
VECTOR #2…………….10.1
DAVIS #1………………9.9 ENE
DAVIS #2………………9.9 ENE
RMY #1………………..9.4 ENE
RMY #2……………….10.0 NE
RICHARDS (C5C)…………..M

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..0.00 DEPARTURE…..-0.47
TOTAL PRECIPITATION FOR THE YEAR (2024)…….30.82 DEPARTURE…..+7.75

————————————————————–

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/…/..            18 WNW VEC1 20 NW  RMY 20
6/2 83/52/68/+6/0.00/…/..            21 W   VEC1 21 W   RMY 21
6/3 78/57/68/+6/0.00/…/..            22 NE  VEC1 22 NE  RMY 21

6/4 The low since midnight is 55F, the daily normal low is 54F.

————————————————————–

JUNE DAILY RECORDS TO DATE

NONE.

————————————————————–

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)

RECORDS FOR JUNE 4
HIGH 99F IN 1919 [Record for month] LOW 41F IN 1915,1926
PRECIP 1.52 INS IN 2007
PEAK GUST 48 MPH SSE IN 1983

RECORDS FOR JUNE 5
HIGH 95F IN 1930
LOW 41F IN 1891
PRECIP 2.83 INS IN 1982
PEAK GUST 57 MPH NNW IN 1988

TODAY’S REPORT PREPARED BY: Matt Douglas

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Please read the full Policy before accessing Observatory data · Effective January 1, 2025

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Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
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