Sign In Become a Member
Donate
Daily Discussions

Saturday, February 22, 2025

February 23, 2025

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, FEBRUARY 22, 2025 ALL TIMES ARE…

Agreement required — click “Accept & Continue” below to review and accept the Data Use & Privacy Policy

Access to this content requires acceptance of our Data Use & Privacy Policy.

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

facebookShare on Facebook
TwitterPost on X
FollowFollow us
PinterestSave
←
→
Blue Hill Observatory & Science Center · Legal

Data Use & Privacy Policy

Please read the full Policy before accessing Observatory data · Effective January 1, 2025

Notice: By accessing, downloading, or using any Blue Hill Observatory data or services, you unconditionally accept and agree to be bound by this Policy in its entirety. If you do not agree, you may not access or use Observatory data.
Effective January 1, 2025 · Milton, Massachusetts · bluehill.org
Part I — Data Use Policy
§ 01

Ownership and Proprietary Rights

All observational records, compiled datasets, metadata, database structures, and related materials provided by the Blue Hill Observatory & Science Center are the exclusive property of the Blue Hill Observatory & Science Center. The Observatory has maintained continuous weather observations at the summit of Great Blue Hill since 1885, and the entirety of that record — its compilation, structure, curation, and organization — constitutes a proprietary database protected under applicable United States law, including copyright law and common law database protections.

All rights not expressly granted in this Policy are reserved by the Observatory. No access to or use of Observatory data shall be construed as a waiver of any rights or as a license to use data beyond the scope expressly stated herein.

§ 02

Governing Law and Jurisdiction

This Policy shall be governed by and construed in accordance with the laws of the Commonwealth of Massachusetts, without regard to its conflict of law provisions. For interactions with international users, this Policy shall apply to the maximum extent permitted by applicable local law.

Any dispute arising from or related to this Policy shall be subject to the exclusive jurisdiction of the state and federal courts located in Norfolk County, Massachusetts. By accessing Observatory data, all users consent to personal jurisdiction in Massachusetts and waive any objection to the venue or inconvenience of such forum.

§ 03

Permitted Uses

Observatory data are made available for the following limited, non-commercial purposes only:

  • Personal study and analysis
  • Educational classroom use
  • Student projects
  • Non-commercial academic research
  • Publication of analyses, figures, models, or conclusions derived from the data, subject to the attribution requirements of Section 4

All other uses require prior written authorization from the Observatory.

§ 04

Attribution Requirement

Any use of Observatory data in any published, presented, or publicly distributed work must include the following verbatim acknowledgment:

“Data provided by the Blue Hill Observatory & Science Center, Milton, Massachusetts. Continuous weather observations since 1885.”

Failure to include proper attribution is a material violation of this Policy.

§ 05

Prohibited Uses

Unless explicitly authorized in writing, Users may not:

  • Resell, license, sublicense, or commercially exploit Observatory data in any form
  • Redistribute the dataset in whole or in part to any third party
  • Publish the dataset for download by third parties
  • Host, mirror, or archive the dataset on any external website, repository, or storage service
  • Upload the dataset to any public or institutional data repository
  • Provide the data through APIs, automated services, or subscription platforms
  • Incorporate the data into any commercial product, software, application, or service
  • Use the data for AI or machine learning systems intended for commercial use or external distribution
  • Use the data to create derivative datasets that enable reconstruction of the underlying observations
§ 06

Commercial Licensing

Organizations seeking to use Observatory data for commercial purposes must obtain a license prior to any such use. Licensing inquiries: data@bluehill.org.

§ 07

Automated Access

Automated scraping, bulk harvesting, or systematic downloading of Observatory data is strictly prohibited without prior written authorization.

§ 08

Enforcement and Remedies

Violation of this Policy may result in immediate revocation of data access, pursuit of legal remedies available under United States law, and referral to applicable authorities. The Observatory reserves all rights to seek injunctive relief, damages, and attorneys’ fees in connection with any unauthorized use of its data.

Part II — Privacy Policy
§ 09–10

Scope & Information Collected

This section governs the collection, use, storage, and disclosure of personal information from visitors to the Blue Hill Observatory website and users of its data services. The Observatory may collect contact information (name, email, organization) when voluntarily submitted, usage data including IP addresses and pages visited, and data download records.

§ 11–12

How We Use Information & Retention

Information is used solely for: responding to inquiries and licensing requests; monitoring and enforcing compliance with this Policy; improving website performance; and communicating Observatory news to opted-in users. The Observatory does not sell, rent, or share personal information with third parties for marketing purposes. Data access records may be retained indefinitely for compliance and enforcement purposes.

§ 13

International Users and Data Transfers

The Observatory is located in the United States. International users acknowledge their information will be processed in the United States under U.S. law. Users requiring specific data processing agreements under non-US law must contact data@bluehill.org before accessing data.

§ 14–16

Cookies, Security & Children’s Privacy

The Observatory website may use cookies for analytics and functionality. By continuing to use the site, users consent to cookie use. The Observatory implements reasonable measures to protect personal information but cannot guarantee absolute security. Observatory data services are not directed at children under 13.

Part III — General Provisions
§ 17–20

Modifications, Severability, Entire Agreement & Contact

The Observatory reserves the right to modify this Policy at any time. Updated versions will be posted at bluehill.org. Continued use of Observatory data following any modification constitutes acceptance of the revised Policy. This Policy constitutes the entire agreement between the User and the Observatory. Questions and licensing inquiries: Blue Hill Observatory & Science Center, Milton, Massachusetts — data@bluehill.org

By accessing, downloading, or using any Blue Hill Observatory data or services, you acknowledge that you have read, understood, and agree to be bound by this Policy.
Effective January 1, 2025 · Blue Hill Observatory & Science Center · Milton, Massachusetts
↓ Scroll to read the full Policy — the agreement checkbox will unlock at the bottom
Main Menu