Saturday, February 22, 2025
BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA
SATURDAY, FEBRUARY 22, 2025
ALL TIMES ARE IN EASTERN STANDARD TIME (EST)
SUNRISE: 0630E
SUNSET: 1726E
REMAINING COLD WITH MIX OF SUN AND CLOUDS….
Skies began the day mostly cloudy with altostratus and cirrus filling much
of the sky, providing filtered sunshine at times. While these clouds have
been slow to depart, a clearing trend began around noon. With light flow out
of the northwest, it remains another cold day regardless of the sunshine.
Temperatures are below normal again today, with a low this morning in the
low teens, and a high so far in the low 30s. The dew point has inched up
slightly, now in the low teens.
Winds were steady this morning, but have begun to slow down over the past
few hours. The average speed so far is 14mph, with a peak gust of 30mph at 8:57am.
Visibility has been excellent, holding between 70-80 miles all day long.
The maximum temperature for today is 31F degrees, which is 7 degrees below
the normal high of 38F. The minimum temperature since midnight is 13F
degrees, which is 8 degrees below the normal low of 21F.
————————————————————–
Today’s Observations:
7 A.M.
Weather: Broken altostratus, broken cirrus,
few stratocumulus offshore distant NE-SE
Temperature: 15F; Dew Point: 8F; Relative Humidity: 75%
Wind: WNW @ 13G20 kts
Sea-level pressure: 1025.0 mb; 30.27 in. Hg: rising, then more rapidly
Visibility: 70 miles
6-hr Max temp: 18F
6-hr Min temp: 13F
24-hr Precip: 0.00 inches
24-hr Snowfall: 0.0 inches
Snow Depth: 4 inches
BHO SA 1155 E160 BKN 250 BKN 70 250/15/8/3013G20/027/ FEW SC OFFSHR DSNT NE-SE/
8/521 4/004 53008 10018 20013
10 A.M.
Weather: Scattered altostratus, scattered cirrostratus, broken cirrus,
few stratocumulus offshore distant NE-SE
Temperature: 21F; Dew Point: 10F; Relative Humidity: 60%
Wind: NW @ 14G22 kts, peak wind NW 30mph @ 8:57am
Sea-level pressure: 1025.0 mb; 30.27 in. Hg: rising, then falling
Visibility: 70 miles
3-hr Precip: 0.00 inches
3-hr Snowfall: 0.0 inches
BHO SA 1455 150 SCT 200 SCT E250 BKN 70 250/21/10/3214G22/027/
FEW SC OFFSHR DSNT NE-SE PK WND 3126/57/ 8/525 50000
1 P.M.
Weather: Scattered cirrus, few stratocumulus offshore distant ENE-SE
Temperature: 31F; Dew Point: 12F; Relative Humidity: 45%
Wind: W @ 7 kts
Sea-level pressure: 1023.6 mb; 30.23 in. Hg: falling unsteadily
Visibility: 80 miles
6-hr Max temp: 31F
6-hr Min temp: 15F
6-hr Precip: 0.00 inches
6-hr Snowfall: 0.0 inches
Snow Depth: 4 inches
BHO SA 1755 250 SCT 80 236/31/12/2807/023/ FEW SC OFFSHR DSNT ENE-SE/
8/501 4/004 57014 10031 20015
————————————————————–
SUMMARY FOR FRIDAY, FEBRUARY 21, 2025
TEMPERATURE (DEGREES F)
MAX…….33 NORMAL…..38
MIN…….17 NORMAL…..21
MEAN……25 NORMAL…..29
DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..-4
TOTAL DEPARTURE FOR THE MONTH…………………….-57 [-2.9 DEGREES/DAY]
HEATING DEGREE DAYS (SEASON: JUL 2024 THRU JUN 2025)
TOTAL HEATING UNITS FOR YESTERDAY…………….40 DEPARTURE……..+4
TOTAL HEATING UNITS FOR THE MONTH……………844 DEPARTURE…….+58
TOTAL HEATING UNITS FOR THE SEaASON…………3987 DEPARTURE……-203
TOTAL HEATING UNITS LAST SEASON TO DATE……..3649 DEPARTURE……+338
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)………..38 NW @ 04:55 P.M.
VECTOR #1 (1-Sec)……….39 NW @ 04:55 P.M.
VECTOR #2 (1-Sec)……….39 NNW @ 04:29 P.M.
DAVIS #1……………….37 NW @ 04:55 P.M.
DAVIS #2 ………………37 NNW @ 04:29 P.M.
RMY #1 (Instantaneous)…..40 NW @ 04:33 P.M.
RMY #2 (Instantaneous)…..43 W @ 06:51 P.M.
MERLIN…………………35 NW
RICHARDS (C5C) (Inst)…..OTS
FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………27 NW @ 06:54 P.M.
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..25 @ 04:30 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..26 @ 06:53 P.M.
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………26 WNW @ 04:30 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………25 NW @ 05:17 P.M.
MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..25 NW @ 04:30 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..25 WNW @ 05:17 P.M.
MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS
AVERAGE WIND SPEED AND DIRECTION:
CONTACTING/OFFICIAL……..17.5 NW [420 total miles]
VECTOR #1………………16.7
VECTOR #2………………17.7
DAVIS #1……………….17.3 NW
DAVIS #2……………….17.3 NNW
RMY #1…………………16.4 NW
RMY #2…………………17.1 WNW
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…………..3.24 DEPARTURE…..+0.34
TOTAL PRECIPITATION FOR THE YEAR (2025)……..5.59 DEPARTURE…..-1.81
SNOWFALL (INCHES) THROUGH THIS MORNING (EST):
TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.7
TOTAL SNOWFALL FOR THE MONTH……………….13.0 DEPARTURE……-0.9
TOTAL SNOWFALL FOR THE SEASON (2024-2025)……34.0 DEPARTURE…..-13.6
————————————————————–
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/+3/0.00/0.0/542/88 48 WNW VEC1 49 WNW RMY 50
2/8 35/19/27/0/0.09/1.1/433/70 23 W VEC1 22 W RMY 23
2/9 29/23/26/-1/0.30/3.0/006/01 24 N VEC1 24 N RMY 24
2/10 33/19/26/-1/0.00/0.0/343/55 26 WNW VEC1 27 NW RMY 28
2/11 30/14/22/-5/0.00/0.0/232/37 23 WSW VEC1 22 WSW RMY 23
2/12 32/24/28/0/0.04/0.4/006/01 29 ENE VEC1 29 ENE RMY 28
2/13 38/28/33/+5/0.42/0.7/000/00 52 WNW VEC1 52 WNW RMY 55
2/14 32/20/26/-2/0.00/0.0/634/100 50 NW VEC1 50 NW RMY 54
2/15 28/15/22/-6/0.29/3.3/108/17 20 ESE VEC1 20 ESE RMY 18
2/16 35/22/29/+1/1.66/1.6/000/00 45 W VEC1 45 W RMY 48
2/17 28/16/22/-7/T/T/597/93 70 WNW VEC1 68 WNW RMY 72
2/18 25/13/19/-10/0.00/0.0/645/100 51 WNW VEC1 52 WNW RMY 54
2/19 30/12/21/-8/0.00/0.0/635/98 33 WNW VEC1 33 WNW RMY 34
2/20 29/11/20/-9/T/T/…/.. 26 NW VEC1 27 NW RMY 27
2/21 33/17/25/-4/0.00/0.0/…/.. 38 NW VEC1 39 NW RMY 40
2/22 The low since midnight is 13F, the daily normal low is 21F.
————————————————————–
FEBRUARY DAILY RECORDS TO DATE
NONE.
————————————————————–
DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated)
RECORDS FOR FEBRUARY 22
HIGH 63F IN 1997
LOW -1F IN 1918
PRECIP 1.38 INCHES IN 1900
SNOWFALL 8.0 INCHES IN 1893
PEAK GUST 74 MPH S IN 1974
RECORDS FOR FEBRUARY 23
HIGH 67F IN 2017, 2022
LOW -8F IN 1907
PRECIP 1.48 INCHES IN 1967
SNOWFALL 10.6 INCHES IN 1967
PEAK GUST 73 MPH WNW IN 1974
TODAY’S REPORT PREPARED BY: Joshua Polen
