Saturday, February 8, 2025
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, FEBRUARY 8, 2025
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0649E
SUNSET: 1708E
CLOUD COVER INCREASING AHEAD OF NEXT STORM….
We began the morning here with a beautiful sunrise, with just some mid
and high level clouds dotting the sky. Since then, the clouds have filled
in nicely, providing us with some filtered sunshine.
Temperatures are seasonable today, with a low in the upper teens and a
high so far in the mid 30s. The dew point has changed little, holding
in the mid to upper teens through the 1pm observation.
Winds have quieted down from yesterday, and are now averaging only 10mph
out of the west-northwest. The peak gust occurred just after 2:15am, with
a speed of 23mph.
Visibility has been decent, increasing from 40 to 70 miles as the day
has progressed.
The maximum temperature for today is 34F degrees, which is 2 degrees
below the normal high of 36F. The minimum temperature since midnight
is 19F degrees, which is 1 degree above the normal low of 18F.
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Today’s Observations:
7 A.M.
Weather: Scattered altocumulus, scattered cirrocumulus,
few stratocumulus distant NNE-SE
Temperature: 19F; Dew Point: 15F; Relative Humidity: 83%
Wind: W @ 10G17 kts
Sea-level pressure: 1024.3 mb; 30.25 in. Hg: rising unsteadily
Visibility: 40 miles
6-hr Max temp: 22F
6-hr Min temp: 19F
24-hr Precip: 0.00 inches
24-hr Snowfall: 0.0 inches
Snow Depth: Trace
BHO SA 1155 140 SCT 200 SCT 40 243/19/15/2810G17/025/ FEW SC DSNT NNE-SE/
8/559 4/000 52018 10022 20019
10 A.M.
Weather: Scattered cirrostratus, broken cirrus,
few stratocumulus distant E-SE, few altocumulus distant W-NE
Temperature: 28F; Dew Point: 16F; Relative Humidity: 60%
Wind: WNW @ 5 kts, wind light
Sea-level pressure: 1025.2 mb; 30.27 in. Hg: rising, then more slowly
Visibility: 60 miles
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 200 SCT E250 BKN 60 252/28/16/2905/027/ FEW SC DSNT E-SE
FEW AC DSNT W-NE WND LGT/ 8/555 51009
1 P.M.
Weather: Scattered stratocumulus, scattered cirrostratus, broken cirrus
Temperature: 34F; Dew Point: 17F; Relative Humidity: 50%
Wind: WNW @ 5 kts, wind light and variable
Sea-level pressure: 1023.6 mb; 30.23 in. Hg: rising, then falling
Visibility: 70 miles
6-hr Max temp: 34F
6-hr Min temp: 19F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: Trace
BHO SA 1755 40 SCT 180 SCT E250 BKN 70 236/34/17/2905/023/ WND L/V/ 8/505
4/000 58016 10034 20019
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SUMMARY FOR FRIDAY, FEBRUARY 7, 2025
TEMPERATURE (DEGREES F)
MAX…….38 NORMAL…..36
MIN…….22 NORMAL…..18
MEAN……30 NORMAL…..27
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..+3
TOTAL DEPARTURE FOR THE MONTH…………………….+10 [-1.6 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2024 THRU JUN 2025)
TOTAL HEATING UNITS FOR YESTERDAY……………35 DEPARTURE……..-3
TOTAL HEATING UNITS FOR THE MONTH…………..280 DEPARTURE…….+10
TOTAL HEATING UNITS FOR THE SEASON…………3423 DEPARTURE……-250
TOTAL HEATING UNITS LAST SEASON TO DATE…….3195 DEPARTURE……+228
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)………..48 WNW @ 09:24 A.M.
VECTOR #1 (1-Sec)……….49 WNW @ 09:24 A.M.
VECTOR #2 (1-Sec)……….53 WNW @ 09:57 A.M.
DAVIS #1……………….51 WNW @ 09:24 A.M.
DAVIS #2 ………………48 W @ 09:51 A.M.
RMY #1 (Instantaneous)…..50 WNW @ 10:01 A.M.
RMY #2 (Instantaneous)…..53 WNW @ 09:26 A.M.
MERLIN…………………45 NW
RICHARDS (C5C) (Inst)…..OTS
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………34 WNW @ 09:30 A.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..34 @ 09:29 A.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..37 @ 09:25 A.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………36 W @ 09:29 A.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………37 WNW @ 09:25 A.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..32 WNW @ 09:29 A.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..36 WNW @ 09:25 A.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..16.9 WNW [406 total miles]
VECTOR #1………………16.4
VECTOR #2………………17.4
DAVIS #1……………….16.9 W
DAVIS #2……………….17.2 WNW
RMY #1…………………15.5 W
RMY #2…………………17.0 W
RICHARDS (C5C)…………..OTS
PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.14
TOTAL PRECIPITATION FOR THE MONTH…………..0.44 DEPARTURE…..-0.52
TOTAL PRECIPITATION FOR THE YEAR (2025)……..2.79 DEPARTURE…..-2.67
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH………………..2.9 DEPARTURE……-1.9
TOTAL SNOWFALL FOR THE SEASON (2024-2025)……23.9 DEPARTURE…..-14.6
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PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 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
2/1 32/10/21/-5/0.07/0.4/000/00 35 NNW VEC1 34 NNW RMY 35
2/2 24/5/15/-11/0.10/1.0/260/43 22 SE VEC1 25 SE RMY 24
2/3 42/24/33/+7/0.05/0.5/321/53 35 SSW VEC1 35 SSW RMY 35
2/4 41/20/31/+5/0.00/0.0/542/89 51 NW VEC1 51 NW RMY 55
2/5 27/14/21/-6/0.00/0.0/562/92 32 NW VEC1 32 NW RMY 32
2/6 32/16/24/-3/0.22/1.0/000/00 26 SE VEC1 28 SE RMY 25
2/7 38/22/30/+3/0.00/0.0/…/.. 48 WNW VEC1 49 WNW RMY 50
2/8 The low since midnight is 19F, the daily normal low is 18F.
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FEBRUARY 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 FEBRUARY 8
HIGH 59F IN 1933
LOW -9F IN 1934
PRECIP 1.86 INS. IN 2013
SNOWFALL 16.1 INS. IN 2013
PEAK GUST 63e MPH NE IN 1945, NE IN 2013
RECORDS FOR FEBRUARY 9
HIGH 58F IN 1990
LOW -21F IN 1934 [LOWEST TEMPERATURE ON RECORD]
PRECIP 2.12 INS. IN 1969
SNOWFALL 16.9 INS. IN 2017
PEAK GUST 89 MPH NE IN 1969
TODAY’S REPORT PREPARED BY: Joshua Polen
