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Sunday, February 18, 2024

February 18, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, FEBRUARY 18, 2024 ALL TIMES ARE…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, FEBRUARY 18, 2024 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0637E SUNSET:  1720E DECREASING VISIBILITY WITH A NOTABLE SOUTHWESTERLY BREEZE…. We observed a decrease in visibility from 85 miles this morning to 70 miles by the 1 PM observation. Wind has been strong out of the southwest with an average speed of 18 mph and a max speed of 39 mph so far today. Today featured partly cloudy skies with a temperature increase of 15 degrees since this morning. The maximum temperature so far today is 34F degrees, which is 4 degrees below the normal high of 38F. The minimum temperature since midnight is 17F degrees, which is 3 degrees below the normal low of 20F. ————————————————————– Today’s Observations: 7 A.M. Weather: Scattered cirrostratus, few stratocumulus distant offshore NE-E-ESE Temperature: 19F; Dew Point: 10F; Relative Humidity: 58% Wind: SW @ 9G16 kts Sea-level pressure: 1011.6 mb; 29.87 in. Hg: rising unsteadily Visibility: 85 miles 6-hr Max temp: 21F 6-hr Min temp: 17F 24-hr Precip: Trace 24-hr Snowfall: Trace Snow Depth: 3 inches BHO SA 1155 250 SCT 85 116/19/10/2209G16/987/ FEW SC DSNT OFFSHR NE-E-ESE NEW SNW PST 24 HRS TRACE/ 8/509 4/003 52002 10021 20017 10 A.M. Weather: Scattered altocumulus, broken cirrostratus, few stratocumulus Temperature: 27F; Dew Point: 12F; Relative Humidity: 52% Wind: SW @ 16G26 kts, peak of 39 mph SW at 9:44 A.M. Sea-level pressure: 1009.8 mb; 29.82 in. Hg: falling unsteadily Visibility: 75 miles 3-hr Precip:  0.00 ins 3-hr Snowfall: 0.0 ins BHO SA 1455 110 SCT 250 BKN 75 098/27/12/2116G26/982/ FEW SC ALQDS PK WND 2134/44/ 8/578 57018 1 P.M. Weather: Scattered cirrostratus, few stratocumulus Temperature: 33F; Dew Point: 16F; Relative Humidity: 49% Wind: WSW @ 13G20 kts, peak of 34 mph WSW at 12:26 P.M. Sea-level pressure: 1006.5 mb; 29.73 in. Hg: falling, then more rapidly Visibility: 70 miles 6-hr Max temp: 34F 6-hr Min temp: 18F 6-hr Precip:  0.00 ins 6-hr Snowfall: 0.0 ins Snow Depth: 3 inches BHO SA 1755 250 SCT 70 065/33/16/2413G20/973/ FEW SC ALQDS PK WND 2429/26/ 8/508 4/003 58033 10034 20018 ————————————————————– SUMMARY FOR SATURDAY, FEBRUARY 17, 2024 TEMPERATURE (DEGREES F) MAX…….33   NORMAL…..37 MIN…….21   NORMAL…..20 MEAN……27   NORMAL…..29 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………-2 TOTAL DEPARTURE FOR THE MONTH………………….+107 [+6.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024) TOTAL HEATING UNITS FOR YESTERDAY……………38  DEPARTURE……..+2 TOTAL HEATING UNITS FOR THE MONTH…………..436  DEPARTURE……-107 TOTAL HEATING UNITS FOR THE SEASON…………3502  DEPARTURE……-544 TOTAL HEATING UNITS LAST SEASON TO DATE…….3345  DEPARTURE……+157 PEAK WIND GUST (MPH): Note: Instruments designated #1 = Main Tower, #2 = South Tower, F420C, Contacting, Merlin, and Richards are all Main Tower. E=Estimated F420C (Official)……….E36 WNW  @  04:18 P.M. VECTOR #1 (1-Sec)……….38 WNW  @  09:51 P.M. VECTOR #2 (1-Sec)……….40 WNW  @  09:50 P.M. DAVIS #1……………….36 W    @  09:50 P.M. DAVIS #2 ………………38 WNW  @  09:50 P.M. RMY #1 (Instantaneous)…..38 WNW  @  09:05 P.M. RMY #2 (Instantaneous)…..39 WNW  @  09:50 P.M. MERLIN…………………33 W RICHARDS (C5C) (Inst)……37      @  10:35 P.M. FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL………………25 WNW  @  09:51 P.M. MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..25      @  09:52 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..28      @  09:51 P.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………27 W    @  09:51 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………28 WNW  @  09:52 P.M. MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..24 WNW  @  09:52 P.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..27 WNW  @  09:51 P.M. MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………26      @  09:52 P.M. AVERAGE WIND SPEED AND DIRECTION: CONTACTING/OFFICIAL……8.2 WNW [196 total miles] VECTOR #1…………….8.3 VECTOR #2…………….9.1 DAVIS #1……………..8.3 W DAVIS #2……………..8.6 WNW RMY #1……………….8.0 W RMY #2……………….8.8 W RICHARDS (C5C)………..8.8 PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…….TRACE DEPARTURE…..-0.15 TOTAL PRECIPITATION FOR THE MONTH…………..0.73 DEPARTURE…..-1.58 TOTAL PRECIPITATION FOR THE YEAR (2024)……..9.97 DEPARTURE…..+3.16 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………TRACE DEPARTURE……-0.6 TOTAL SNOWFALL FOR THE MONTH………………..4.7 DEPARTURE……-6.5 TOTAL SNOWFALL FOR THE SEASON (2023-2024)……25.6 DEPARTURE…..-19.3 ————————————————————– 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   40/30/35/+9/0.00/0.0/012/02         25 SW  VEC1 24 SW  RMY 26 2/2   39/31/35/+9/0.03/T/000/00           23 N   VEC1 24 N   RMY 25 2/3   35/26/31/+5/0.00/0.0/338/56         26 N   VEC1 26 NNW RMY 28 2/4   39/20/30/+4/0.00/0.0/607/100        28 NNW VEC1 28 NNW RMY 27 2/5   39/22/31/+4/0.00/0.0/597/98         29 N   VEC1 29 N   RMY 30 2/6   35/26/31/+4/0.00/0.0/251/41         26 N   VEC1 26 N   RMY 26 2/7   39/26/33/+6/0.00/0.0/436/71         21 NE  VEC1 21 NE  RMY 24 2/8   44/29/37/+10/0.00/0.0/457/74        16 S   VEC1 16 S   RMY 16 2/9   47/30/39/+12/0.00/0.0/229/37        31 SSW VEC1 31 SSW RMY 31 2/10  58/35/47/+20/0.02/0.0/385/62        26 NW  VEC1 26 NW  RMY 30 2/11  45/34/40/+13/0.00/0.0/119/19        30 NW  VEC1 30 NW  RMY 31 2/12  47/29/38/+10/0.00/0.0/470/75        21 N   VEC1 20 N   RMY 20 2/13  35/25/30/+2/0.65/4.3/000/00         40 NNE VEC1 41 NNE RMY M 2/14  29/21/25/-3/0.00/0.0/562/89         53 NW  VEC1 53 NW  RMY 54 2/15  38/18/28/0/0.03/0.4/…/..          37 SW  VEC1 36 SW  RMY 37 2/16  37/26/32/+4/0.00/0.0/…/..         50 WNW VEC1 47 WNW RMY 51 2/17  33/21/27/-2/T/T/…/..              36 WNW VEC1 38 WNW RMY 38 2/18 The low since midnight is 17F, the daily normal low is 20F ————————————————————– 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 18 HIGH 65F IN 1981 LOW -10F IN 1958 PRECIP 1.97 INCHES IN 1887, IN 1952 SNOWFALL 9.2 INCHES IN 1952 PEAK GUST 70 MPH S IN 2008 RECORDS FOR FEBRUARY 19 HIGH 66F IN 1981 LOW -5F IN 1923 PRECIP 2.73 INCHES IN 1972 SNOWFALL 8.9 INCHES IN 1964 PEAK GUST 72 MPH NW IN 1968 TODAY’S REPORT PREPARED BY: Benjamin Turner
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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
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