Sunday, June 16, 2024
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SUNDAY, JUNE 16, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0407E
SUNSET: 1923E
INCREDIBLE WEATHER THIS FATHER’S DAY FEATURING COOLER THAN NORMAL
TEMPERATURES AND GREAT VISIBILITY….
Today we observed a great visibility of 80 miles accompanied by
a cool breeze from the east; around 10 mph. Upper level clouds
moved in from the northwest around noontime, still letting in a
moderate amount of sunlight.
The maximum temperature so far today is 70 degrees, which is
6 degrees below the normal high of 76F. The minimum temperature
since midnight is 51F, which is 7 degrees below the normal
low of 58F.
In other words, great weather for a hike! The observatory is open
until 4 PM for the gift shop and rooftop tours.
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Today’s Observations:
7 A.M.
Weather: Clear, few cirrus
Temperature: 61F; Dew Point: 44F; Relative Humidity: 53%
Wind: N @ 5 kts, wind light
Sea-level pressure: 1025.1 mb; 30.27 in. Hg: rising, then more slowly
Visibility: 80 miles
6-hr Max temp: 55F
6-hr Min temp: 51F
24-hr Precip: 0.00 inches
BHO SA 1155 CLR 80 251/61/44/0405/027/ FEW CI ALQDS WND LGT/ 8/001
51023 10055 20051
10 A.M.
Weather: Broken cirrostratus
Temperature: 66F; Dew Point: 43F; Relative Humidity: 42%
Wind: E @ 6 kts, wind light
Sea-level pressure: 1025.6 mb; 30.29 in. Hg: rising then steady
Visibility: 80 miles
3-hr Precip: 0.00 inches
BHO SA 1455 250 BKN 80 256/66/43/0906/029/ WND LGT/ 8/006 51005
1 P.M.
Weather: Broken cirrostratus
Temperature: 70F; Dew Point: 47F; Relative Humidity: 43%
Wind: SSE @ 8 kts
Sea-level pressure: 1025.6 mb; 30.29 in. Hg: rising then falling
Visibility: 80 miles
6-hr Max temp: 70F
6-hr Min temp: 61F
6-hr Precip: 0.00 inches
BHO SA 1755 250 BKN 80 256/70/47/1508/029/ 8/006 50000 10070 20061
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SUMMARY FOR SATURDAY, JUNE 15, 2024
TEMPERATURE (DEGREES F)
MAX…….75 NORMAL…..75
MIN…….57 NORMAL…..58
MEAN……66 NORMAL…..66
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..0
TOTAL DEPARTURE FOR THE MONTH…………………….+44 [+2.7 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024)
TOTAL HEATING UNITS FOR YESTERDAY…………….0 DEPARTURE……..-2
TOTAL HEATING UNITS FOR THE MONTH…………….8 DEPARTURE…….-43
TOTAL HEATING UNITS FOR THE SEASON…………5387 DEPARTURE……-809
TOTAL HEATING UNITS LAST SEASON TO DATE…….5274 DEPARTURE……+113
COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024)
TOTAL COOLING UNITS FOR YESTERDAY…………….1 DEPARTURE……..-2
TOTAL COOLING UNITS FOR THE MONTH……………37 DEPARTURE……..+0
TOTAL COOLING UNITS FOR THE SEASON…………..74 DEPARTURE……..+9
TOTAL COOLING UNITS LAST SEASON TO DATE………62 DEPARTURE…….+12
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)……….E23 NNW @ 4:57 P.M.
VECTOR #1 (1-Sec)……….27 NNW @ 2:48 P.M.
VECTOR #2 (1-Sec)……….29 NW @ 3:14 P.M.
DAVIS #1……………….24 WNW @ 2:05 P.M.
DAVIS #2 ………………26 NW @ 3:48 P.M.
RMY #1 (Instantaneous)…..27 NW @ 1:31 P.M.
RMY #2 (Instantaneous)…..28 NW @ 3:50 P.M.
MERLIN…………………24 NW
RICHARDS (C5C) (Inst)…..OTS
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………17 NW @ 3:37 P.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..16 @ 3:50 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..19 @ 3:50 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………17 WNW @ 3:50 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………18 NW @ 3:50 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..16 NW @ 10:39 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..18 NW @ 3:50 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……10.0 N [240 total miles]
VECTOR #1…………….10.1
VECTOR #2…………….10.4
DAVIS #1……………..10.2 NNW
DAVIS #2……………..10.2 N
RMY #1………………..9.8 NNW
RMY #2……………….10.3 NNW
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…………..1.38 DEPARTURE…..-1.04
TOTAL PRECIPITATION FOR THE YEAR (2024)…….32.20 DEPARTURE…..+7.18
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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/+4/0.01/064/07 20 SSE VEC1 20 SSE RMY 20
6/7 80/60/70/+6/0.14/410/45 26 WNW VEC1 27 WNW RMY 27
6/8 73/54/64/0/T/767/84 48 W VEC1 49 W RMY 47
6/9 67/55/61/-3/0.25/292/32 29 WNW VEC1 28 WNW RMY 26
6/10 75/54/65/0/T/868/95 28 W VEC1 27 W RMY 27
6/11 71/53/62/-3/0.00/320/35 16 WNW VEC1 15 WNW RMY 15
6/12 76/59/68/+3/0.00/531/58 16 S VEC1 16 SSE RMY 17
6/13 82/57/70/+4/0.00/…/.. 28 SW VEC1 27 SW RMY 28
6/14 84/63/74/+9/…/…/.. 50 NW VEC1 50 NW RMY 53 TSTM
6/15 75/54/66/0/…/…/.. 23 NNW VEC1 27 NW RMY 26
6/16 The low since midnight is 51F, the daily normal low is 58F.
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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 16
HIGH 92F IN 1891
LOW 44F IN 1926
PRECIP 2.17 INS IN 1931
PEAK GUST 55 MPH W IN 1958
RECORDS FOR JUNE 17
HIGH 93F IN 1894
LOW 44F IN 1920
PRECIP 2.79 INS 2001 (Sub-Tropical storm ALLISON)
PEAK GUST 55e MPH S IN 1977
TODAY’S REPORT PREPARED BY: Benjamin Turner
