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Monday, August 7, 2023

August 7, 2023

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, AUGUST 7, 2023 ALL TIMES ARE…

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

MONDAY, AUGUST 7, 2023
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0443E
SUNSET:  1857E

OVERCAST AND COOLER WITH INTERMITTENT SHOWERS…

Clouds have been the main player today with intermittent light
rain showers developing during the mid morning hours and
continuing into the afternoon hours. 0.03″ of rain has been
measured so far.

With the cloud cover around, temperatures so far today have
remained on the cooler side with highs so far only into the
low 70s. However the dew point has risen into the mid to
upper 60s, so it feels quite sticky out there today.

The wind has been increasing during the day with gusts reaching
around 23mph early this afternoon. The average speed for the
day so far has been around 10mph, mainly out of the south or
south-southwest.

Visibility has been limited today due to thin fog and rain.
Views have been generally 20 miles or less through the day.

The temperature has been seasonable today with a high so far
of 72F, which is 9 degrees below the normal high of 81F. The
minimum temperature today is 65F, which is 1 degree above
the normal low of 64F.

————————————————————–

Today’s Observations:

7 A.M.
Weather: Scattered altocumulus, overcast altostratus, virga
all quadrants, sun occasionally dimly visible
Temperature: 68F; Dew Point: 65F; Relative Humidity: 88%
Wind: SSW @ 7 kts
Sea-level pressure: 1016.6 mb; 30.02 in. Hg: rising, then more slowly
Visibility: 20 miles, thin fog
6-hr Max temp: 68F
6-hr Min temp: 65F
24-hr Precip: 0.00 ins.
BHO SA 1155 120 SCT 150 OVC 20 166/68/65/2007/002/ THN F ALQDS
VIRGA ALQDS SUN OCNLY DMLY VSBL/ 8/07/ 51005 10068 20065

10 A.M.
Weather: Scattered cumulus, overcast nimbostratus, light rain showers
Temperature: 71F; Dew Point: 68F; Relative Humidity: 90%
Wind: Estimated S @ 7 kts
Sea-level pressure: 1016.5 mb; 30.02 in. Hg: rising, then falling
Visibility: 15 miles, thin fog
3-hr Precip: 0.01 inches
BHO SA 1455 E85 BKN 110 OVC 15RW- 165/71/68/1907/002/ FEW CU NNW-NNE
THN F ALQDS/ 8/22/ 58001 6001/

1 P.M.
Weather: Scattered stratocumulus, overcast nimbostratus, few cumulus
all quadrants, very light rain showers
Temperature: 69F; Dew Point: 65F; Relative Humidity: 86%
Wind: S @ 14G20 kts
Sea-level pressure: 1015.4mb; 29.98 in. Hg: falling, then more rapidly
Visibility: 15 miles, thin fog
6-hr Max temp: 72F
6-hr Min temp: 68F
6-hr Precip: 0.03 inches
BHO SA 1755 30 SCT E75 OVC 15RW- 154/69/65/1914G20/998/ FEW CU ALQDS
THN F ALQDS PCPN VRY LGT/ 8/82/ 58011 6003/ 10072 20068

————————————————————–

SUMMARY FOR SUNDAY, AUGUST 6, 2023

TEMPERATURE (DEGREES F)
MAX…….82   NORMAL…..81
MIN…….60   NORMAL…..64
MEAN……71   NORMAL…..73

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL……….-2
TOTAL DEPARTURE FOR THE MONTH…………………-21 [-3.7 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY…………….0  DEPARTURE………0
TOTAL HEATING UNITS FOR THE MONTH…………….0  DEPARTURE……..-1
TOTAL HEATING UNITS FOR THE SEASON……………0  DEPARTURE……..-8
TOTAL HEATING UNITS LAST SEASON TO DATE……….0  DEPARTURE………0

COOLING DEGREE DAYS (SEASON: JAN 2023 THRU DEC 2023)
TOTAL COOLING UNITS FOR YESTERDAY…………….6  DEPARTURE……..-2
TOTAL COOLING UNITS FOR THE MONTH……………27  DEPARTURE…….-20
TOTAL COOLING UNITS FOR THE SEASON………….449  DEPARTURE…….+15
TOTAL COOLING UNITS LAST SEASON TO DATE……..601  DEPARTURE……-152

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)……….E20 W     @  04:40 P.M.
VECTOR #1 (1-Sec)……….19 W     @  03:34 P.M.
VECTOR #2 (1-Sec)……….19 WSW   @  04:39 P.M.
DAVIS #1……………….18 WSW   @  03:34 P.M.
DAVIS #2 ………………18 W     @  01:44 P.M.
RMY #1 (Instantaneous)…..19 W     @  03:34 P.M.
RMY #2 (Instantaneous)…..19 W     @  01:44 P.M.
MERLIN…………………17 W
RICHARDS (C5C) (Inst)……17       @  01:44 P.M.

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………13 SW  @  10:13 P.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..14     @  03:36 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..14     @  03:36 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………14 W   @  03:36 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………14 W   @  03:36 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..13 W   @  03:36 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..14 W   @  03:36 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………13     @  03:36 P.M.

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL………..7.3 W [176 total miles] VECTOR #1…………………8.0
VECTOR #2…………………8.1
DAVIS #1………………….7.7 W
DAVIS #2………………….7.9 WNW
RMY #1……………………7.8 W
RMY #2……………………8.1 WNW
RICHARDS (C5C)…………….8.1

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.14
TOTAL PRECIPITATION FOR THE MONTH………….TRACE DEPARTURE…..-0.80
TOTAL PRECIPITATION FOR THE YEAR…………..34.77 DEPARTURE…..+3.27

————————————————————–

PRELIMINARY CLIMATE SUMMARY FOR AUGUST 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

8/1   76/58/67/-6/0.00/…/..             24 NW  VEC1 24 NW  RMY 24
8/2   75/54/65/-8/0.00/…/..             23 SSW VEC1 22 SSW RMY 23
8/3   79/59/69/-4/0.00/…/..             32 SSW VEC1 34 SSW RMY 34
8/4   77/62/70/-3/T/…/..                29 SSW VEC1 29 SSW RMY 29
8/5   83/66/75/+2/0.00/…/..             18 NW  VEC1 16 WNW RMY 17
8/6   82/60/71/-2/0.00/…/..             20 W   VEC1 19 W   RMY 19

8/7 The low since midnight is 65F, the daily normal low is 64F

————————————————————–

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

RECORDS FOR AUGUST 7
HIGH 96F IN 2022
LOW 51F IN 2004
PRECIP 3.32 INCHES IN 1926
PEAK GUST 51 MPH NE 1975

RECORDS FOR AUGUST 8
HIGH 97F IN 2022
LOW 47F IN 1903
PRECIP 3.08 INCHES IN 1976
PEAK GUST 45 MPH WNW IN 1958

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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