Wednesday, November 5, 2025

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

WEDNESDAY, NOVEMBER 5, 2025
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0623E
SUNSET:  1632E

MAINLY CLOUDY AS OUR NEXT WEATHER SYSTEM APPROACHES….

Skies have been mainly cloudy today as clouds advance into
the region ahead of our next quick moving weather system.

Temperatures are again near seasonable levels, but it feels
milder than yesterday due to much less wind. Readings have
reached the mid 50s by early this afternoon. The dew point
has been gradually rising, from the upper 20s early this
morning to the mid 30s by early this afternoon.

The wind is much lighter today. A west-southwest to south-
southwest wind has been averaging at around 11mph for the
day so far. The peak gust so far for the day is 22mph,
which occurred just after the 12:15pm this afternoon.

Visibility has been decent today, dropping from 70 miles
early this morning to around 50 miles by early this afternoon.

The maximum temperature so far today is 54F degrees, which is
equal to the normal high of 54F. The minimum temperature
since midnight is 39F degrees, which is 2 degrees above the
normal low of 37F.

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Today’s Observations:

7 A.M.
Weather: Broken altocumulus/altostratus, broken cirrostratus,
broken cirrus, few stratocumulus distant NE-ENE
Temperature: 41F; Dew Point: 30F; Relative Humidity: 65%
Wind: W @ 10 kts
Sea-level pressure: 1019.5 mb; 30.11 in. Hg: rising, then falling
Visibility: 70 miles
6-hr Max temp: 43F
6-hr Min temp: 39F
24-hr Precip: 0.00 inches
BHO SA 1155 E130 BKN 200 BKN 250 BKN 70 195/41/30/2710/011/
FEW SC DSNT NE-ENE/ 8/576 50002 10043 20039

10 A.M.
Weather: Scattered altocumulus, overcast cirrostratus
Temperature: 51F; Dew Point: 37F; Relative Humidity: 57%
Wind: WSW @ 5 kts, wind light
Sea-level pressure: 1017.9 mb; 30.06 in. Hg: falling, then more rapidly
Visibility: 60 miles
3-hr Precip: 0.00 inches
BHO SA 1455 E120 SCT E200 OVC 60 179/51/37/2405/006/ WND LGT/
8/057 58016

1 P.M.
Weather: Broken altocumulus/altostratus, overcast cirrostratus
Temperature: 54F Dew Point: 35F; Relative Humidity: 49%
Wind: SSW @ 10G18 kts
Sea-level pressure: 1012.6 mb; 29.90 in. Hg: falling rapidly
Visibility: 50 miles
6-hr Max temp: 54F
6-hr Min temp: 41F
6-hr Precip: 0.00 inches
BHO SA 1755 E85 BKN 180 OVC 50 126/54/35/2110G18/990/
SUN DMLY VSBL PRESFR/ 8/077 58053 10054 20041

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SUMMARY FOR TUESDAY, NOVEMBER 4, 2025

TEMPERATURE (DEGREES F)
MAX…….54   NORMAL…..54
MIN…….42   NORMAL…..37
MEAN……48   NORMAL…..46

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………….+2
TOTAL DEPARTURE FOR THE MONTH………………………..0 [-0.2 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2025 THRU JUN 2026)
TOTAL HEATING UNITS FOR YESTERDAY…………….17  DEPARTURE……..-2
TOTAL HEATING UNITS FOR THE MONTH…………….74  DEPARTURE……..-1
TOTAL HEATING UNITS FOR THE SEASON…………..485  DEPARTURE……-102
TOTAL HEATING UNITS LAST SEASON TO DATE………444  DEPARTURE…….+41

COOLING DEGREE DAYS (SEASON JAN 2025 THRU DEC 2025)
TOTAL COOLING UNITS FOR YESTERDAY……………..0  DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH……………..0  DEPARTURE………0
TOTAL COOLING UNITS FOR THE SEASON…………..756  DEPARTURE…….+79
TOTAL COOLING UNITS LAST SEASON TO DATE………763  DEPARTURE……..-7

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 *=Last of multiple occurrences

F420C (Official)………..52 NW   @   12:43 P.M.
VECTOR #1 (1-Sec)……….52 NW   @   11:17 A.M.
VECTOR #2 (1-Sec)……….56 WNW  @   11:36 A.M.
DAVIS #1……………….50 WNW  @   11:10 A.M.
DAVIS #2 ………………49 NW   @   11:36 A.M.
RMY #1 (Instantaneous)…..54 NW   @   12:43 P.M.
RMY #2 (Instantaneous)…..58 WNW  @   11:37 A.M.
MERLIN…………………51 NW
RICHARDS (C5C) (Inst)……53 NW   @   12:43 P.M.

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………40 NW   @   11:43 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..34 NW   @   11:44 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..38 WNW  @   11:10 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………35 WNW  @   11:44 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………38 NW   @   11:38 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..33 NW   @   11:44 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..37 WNW  @   11:10 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………34 NW   @   11:44 A.M.

AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..19.4 WNW [466 total miles] VECTOR #1………………18.6
VECTOR #2………………20.6
DAVIS #1……………….19.6 WNW
DAVIS #2………………….M
RMY #1…………………17.7 WNW
RMY #2…………………19.9 WNW
RICHARDS (C5C)………….18.6

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.15
TOTAL PRECIPITATION FOR THE MONTH…………..0.16 DEPARTURE…..-0.44
TOTAL PRECIPITATION FOR THE YEAR (2025)…….42.47 DEPARTURE…..-2.29

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…..-0.1
TOTAL SNOWFALL FOR THE SEASON (2025-2026)…….0.0 DEPARTURE…..-0.8

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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  56/38/47/+0/0.00/0.0/…/..        50 W   VEC1 50 W   RMY 50
11/2  53/33/43/-4/0.00/0.0/…/..        23 WNW VEC1 23 WNW RMY 24
11/3  54/42/48/+2/0.16/0.0/…/..        41 WNW VEC1 41 W   RMY 46
11/4  54/42/48/+2/0.00/0.0/…/..        52 NW  VEC1 52 NW  RMY 54

11/5 The low since midnight is 39F, the daily normal low is 37F.

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NOVEMBER 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 NOVEMBER 5
HIGH 76 IN 1994
LOW 18 IN 1908
PRECIP 4.26 INCHES IN 1955
SNOWFALL 2.0 IN 1894
PEAK GUST 69 W IN 2004

RECORDS FOR NOVEMBER 6
HIGH 80 IN 2024
LOW 22 IN 1951
PRECIP 1.72 INCHES IN 1907
SNOWFALL 6.0 IN 1894
PEAK GUST 63 W IN 1973

TODAY’S REPORT PREPARED BY: Matt Douglas