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Friday, June 7, 2024

June 7, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA FRIDAY, JUNE 7, 2024 ALL TIMES ARE…

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

FRIDAY, JUNE 7, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0408E
SUNSET:  1918E

LOW CLOUDS BREAK TO SOME SUNSHINE, AFTERNOON SHOWERS….

We began the morning in the clouds, with dense fog and a visibility
of around 1/8 of a mile. The cloud base lifted following sunrise,
and the overcast broke shortly thereafter. Since then, some rain
showers have popped up nearby. One moved over the hill beginning right
before the last observation, with only 0.01″ of rainfall measured by 1pm.

The temperatures today began right around 60F, rising slowly at first
and more rapidly once the overcast broke. We have since made it to the
low 80s by early afternoon, though temperatures have fallen into the low
70s as the rain shower began. The dew point has remained nearly steady
in the mid 60s.

The winds have been quite light, going calm for a time late
morning to early afternoon. The average speed to this point is only
5mph. The peak gust, taking place around 6am, is approximately 15mph.

Visibility has improved as the day has gone on, rising from 30 miles
at the 7am observation to 50 miles by the afternoon. Some virga from
the oncoming rain showers reduced visibility to the S-SW to 2 miles
at 1pm.

The maximum temperature so far today is 80F degrees, which is
7 degrees above the normal high of 73F. The minimum temperature
since midnight is 60F degrees, which is 5 degrees above the
normal low of 55F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Overcast stratus
Temperature: 63F; Dew Point: 63F; Relative Humidity: 98%
Wind: NNW @ 5 kts, wind light
Sea-level pressure: 1002.4 mb; 29.60 in. Hg: falling, then rising
Visibility: 30 miles, thin fog all quadrants
6-hr Max temp: 63F
6-hr Min temp: 60F
24-hr Precip:  0.01
BHO SA 1155 E4 OVC 30 024/63/63/3405/960/ THN F ALQDS WND LGT/ 8/6//
53011 70001 10063 20060

10 A.M.
Weather: Broken altocumulus, few cumulus distant S-W-NNW,
few stratocumulus distant N-E-SSE
Temperature: 71F; Dew Point: 64F; Relative Humidity: 77%
Wind: Wind calm
Sea-level pressure: 1002.6 mb; 29.61 in. Hg: rising, then falling
Visibility: 40 miles
3-hr Precip:  0.00 inches
BHO SA 1455 E130 BKN 40 026/71/64/0000/961/ FEW CU DSNT S-W-NNW
FEW SC DSNT N-E-SSE WND CALM/ 8/850 50002

1 P.M.
Weather: Light rain shower, broken cumulonimbus, broken altocumulus,
fog bank distant offshore N-NE
Temperature: 73F; Dew Point: 66F; Relative Humidity: 80%
Wind: Wind calm
Sea-level pressure: 1001.9 mb; 29.57 in. Hg: falling, then more slowly
Visibility: 50 miles, 15 miles N-NE, 2 miles S-SW
6-hr Max temp: 80F
6-hr Min temp: 63F
6-hr Precip:  0.01 inches
BHO SA 1755 E40 BKN 140 BKN 50RW- 019/73/66/0000/957/ F BNK DSNT OFFSHR N-NE
VIRGA S-SW VSBY 15 N-NE 2 S-SW RW-B51 WND CALM/ 8/360 56007 6001/ 10080 20063

————————————————————–

SUMMARY FOR THURSDAY, JUNE 6, 2024

TEMPERATURE (DEGREES F)
MAX…….74   NORMAL…..72
MIN…….60   NORMAL…..55
MEAN……67   NORMAL…..63

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..+4
TOTAL DEPARTURE FOR THE MONTH…………………….+29 [+4.6 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…….-26
TOTAL HEATING UNITS FOR THE SEASON…………5379  DEPARTURE……-791
TOTAL HEATING UNITS LAST SEASON TO DATE…….5246  DEPARTURE……+133

COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024)
TOTAL COOLING UNITS FOR YESTERDAY…………….2  DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH……………14  DEPARTURE……..+2
TOTAL COOLING UNITS FOR THE SEASON…………..51  DEPARTURE…….+11
TOTAL COOLING UNITS LAST SEASON TO DATE………45  DEPARTURE……..+6

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)……….E20 SSE  @  10:23 A.M.
VECTOR #1 (1-Sec)……….20 SSE  @  10:28 A.M.
VECTOR #2 (1-Sec)……….23 SSE  @  12:02 P.M.
DAVIS #1……………….19 SSE  @  12:03 P.M.
DAVIS #2 ………………28 S    @  12:02 P.M.
RMY #1 (Instantaneous)…..20 SW   @  01:39 A.M.
RMY #2 (Instantaneous)…..23 SSE  @  12:02 P.M.
MERLIN…………………18 S
RICHARDS (C5C) (Inst)…..OTS

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………14 SSE  @  10:32 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..14      @  10:23 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..15      @  12:01 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………13 SSE  @  10:23 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………15 S    @  12:02 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..14 SW   @  12:02 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..16 S    @  12:01 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL…….7.4 S [178 total miles] VECTOR #1……………..7.8
VECTOR #2……………..8.3
DAVIS #1………………7.4 SSE
DAVIS #2………………7.8 SSE
RMY #1………………..7.6 SE
RMY #2………………..8.3 SE
RICHARDS (C5C)…………OTS

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.01 DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..0.01 DEPARTURE…..-0.95
TOTAL PRECIPITATION FOR THE YEAR (2024)…….30.83 DEPARTURE…..+7.27

————————————————————–

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 The low since midnight is 60F, the daily normal low is 55F.

————————————————————–

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 7
HIGH 93F IN 1999
LOW 40F IN 1932
PRECIP 4.01 INS IN 2006
PEAK GUST 58 MPH NE IN 1982

RECORDS FOR JUNE 8
HIGH 94F IN 1984
LOW 37F IN 1932
PRECIP 1.11 INS IN 1923
PEAK GUST 86e MPH WNW IN 1946 [Record for month]

TODAY’S REPORT PREPARED BY: Joshua Polen

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