Sunday, November 10, 2024

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

SUNDAY, NOVEMBER 10, 2024
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0629E
SUNSET:  1626E

REMAINING BREEZY WITH PARTLY CLOUDY SKIES….

We observed a great visibility of 80 miles this morning, with
an intensifying smoke layer bringing it down to 75 miles by
the 1 P.M. observation. Wind has picked up in intensity from
the southwest, with a max gust so far today of 26 mph this
afternoon.

We are currently in a moderate-severe drought, this being the
10th day straight of no rain. The yearly total rainfall is 43.80
inches, 1.68 inches below the annual normal. This is astounding
as we had above-average rainfall in the spring.

Some smoke plumes were observed to the north of Boston and to
the south of the observatory at 1 PM.

The low temperature so far today is 32F, 4 degrees below the
normal minimum of 36F. The high temperature so far today is
56F, 4 degrees above the normal maximum of 52F.

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Today’s Observations:

7 A.M.
Weather: Scattered cirrocumulus, few altocumulus
Temperature: 38F; Dew Point: 13F; Relative Humidity: 35%
Wind: WSW @ 7 kts
Sea-level pressure: 1028.4 mb; 30.37 in. Hg: rising then falling
Visibility: 80 miles, thin smoke layer
6-hr Max temp: 38F
6-hr Min temp: 32F
24-hr Precip:  0.00 inches
24-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1155 250 SCT 80 284/38/13/2407/037/ FEW AC ALQDS THN K LYR ALQDS/
8/059 55002 10038 20032

10 A.M.
Weather: Scattered altocumulus and cirrocumulus
Temperature: 45F; Dew Point: 24F; Relative Humidity: 43%
Wind: NNW @ 12G23 kts, peak wind NW 30mph at 9:43am
Sea-level pressure: 1022.8 mb; 30.20 in. Hg: rising, then more slowly
Visibility: 80 miles, thin smoke layer
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 110 SCT 250 SCT 80 266/49/17/2209G15/031/ THN K LYR ALQDS/
8/059 56018

1 P.M.
Weather: Broken altocumulus and cirrus
Temperature: 56F; Dew Point: 29F; Relative Humidity: 35%
Wind: WSW @ 11G23 kts
Sea-level pressure: 1022.9 mb; 30.21 in. Hg: falling, then more rapidly
Visibility: 75 miles, smoke plumes distant N and S, thin smoke layer
6-hr Max temp: 56F
6-hr Min temp: 38F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 0 inches
BHO SA 1755 110 BKN 220 BKN 75 229/56/29/24011G23/021/ THN K LYR ALQDS
K PLUMES N AND S/ 8/051 58037 10056 20038

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SUMMARY FOR SATURDAY, NOVEMBER 9, 2024

TEMPERATURE (DEGREES F)
MAX…….50  NORMAL…..52
MIN…….36  NORMAL…..36
MEAN……43  NORMAL…..44

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..-1
TOTAL DEPARTURE FOR THE MONTH…………………….+62 [+6.6 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2024 THRU JUN 2025)
TOTAL HEATING UNITS FOR YESTERDAY……………22  DEPARTURE……..+1
TOTAL HEATING UNITS FOR THE MONTH…………..118  DEPARTURE…….-58
TOTAL HEATING UNITS FOR THE SEASON………….491  DEPARTURE……-197
TOTAL HEATING UNITS LAST SEASON TO DATE……..532  DEPARTURE…….-41

COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024)
TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH…………….5  DEPARTURE……..+5
TOTAL COOLING UNITS FOR THE SEASON………….768  DEPARTURE…….+91
TOTAL COOLING UNITS LAST SEASON TO DATE……..715  DEPARTURE…….+53

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)………..39 NW   @   01:22 A.M.
VECTOR #1 (1-Sec)……….42 NW   @   01:21 A.M.
VECTOR #2 (1-Sec)……….43 NW   @   01:16 A.M.
DAVIS #1……………….40 NW   @   01:21 A.M.
DAVIS #2 ………………39 NNW  @   01:10 A.M.
RMY #1 (Instantaneous)…..43 NW   @   01:21 A.M.
RMY #2 (Instantaneous)…..45 NW   @   01:09 A.M.
MERLIN…………………M
RICHARDS (C5C) (Inst)…..OTS

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………30 NW   @   01:16 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..29      @   01:16 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..31      @   01:17 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………30 NW   @   01:16 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………31 NNW  @   01:16 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..28 NW   @   01:16 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..30 NW   @   01:17 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..13.9 NNW [334 total miles] VECTOR #1………………13.5
VECTOR #2………………13.9
DAVIS #1……………….13.7 NNW
DAVIS #2……………….13.6 NNW
RMY #1…………………13.2 NNW
RMY #2…………………13.5 NW
RICHARDS (C5C)…………..OTS

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…..-1.32
TOTAL PRECIPITATION FOR THE YEAR (2024)…….43.80 DEPARTURE…..-1.68

SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE…….0.0
TOTAL SNOWFALL FOR THE MONTH………………..0.0 DEPARTURE……-0.3
TOTAL SNOWFALL FOR THE SEASON (2024-2025)…….0.0 DEPARTURE……-1.0

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PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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

11/1   77/49/63/+16/0.00/0.0/347/56       36 WNW VEC1 36 WNW RMY 37
11/2   55/37/46/-1/0.00/0.0/228/37        21 N   VEC1 23 N   RMY 21
11/3   48/30/39/-7/0.00/0.0/595/97        20 NNW VEC1 21 NNW RMY 21
11/4   49/33/41/-5/0.00/0.0/061/10        20 SSE VEC1 21 SSE RMY 21
11/5   73/46/60/+15/0.00/0.0/505/83       35 SW  VEC1 35 SW  RMY 37
11/6   80/59/70/+25/0.00/0.0/558/92       39 WSW VEC1 39 WSW RMY 42
11/7   69/47/58/+13/0.00/0.0/…/..       37 WNW VEC1 35 WNW RMY 42
11/8   63/41/52/+7/0.00/0.0/…/..        42 WNW VEC1 42 WNW RMY 47
11/9   50/36/43/-1/0.00/0.0/…/..        39 NW  VEC1 42 NW  RMY 43

11/10 The low since midnight is 32F, the daily normal low is 36F.

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NOVEMBER DAILY RECORDS TO DATE

11/1 RECORD HIGH TEMPERATURE OF 77F, OLD RECORD WAS 75F IN 2003.

11/6 RECORD HIGH TEMPERATURE OF 80F, OLD RECORD WAS 74F IN 2022.

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

RECORDS FOR NOVEMBER 10
HIGH 75 IN 1931
LOW 20 IN 2004
PRECIP 2.11 INCHES IN 1888
SNOWFALL 2.2 IN 1987
PEAK GUST 83e S IN 1942

RECORDS FOR NOVEMBER 11
HIGH 73 IN 2020
LOW 17 IN 1956
PRECIP 1.14 INCHES IN 1991
SNOWFALL 2.5 IN 1986
PEAK GUST 64 NW IN 1962

TODAY’S REPORT PREPARED BY: Benjamin Turner