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Monday, February 17, 2020

February 18, 2020

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, FEBRUARY…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, FEBRUARY 17, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME BRIGHT SUNSHINE, MODERATE BREEZE, AND MILD TEMPERATURES…. Plenty of sunshine being observed today with nothing more than a few cirrus around early this morning, and a few stratocumulus this afternoon. Visibility has improved from 40 miles this morning to around 60 miles this afternoon. A moderate breeze has been occurring generally sustained between 10-15 mph, with occasional gusts of 20-25 mph. Temperatures are definitely mild for mid February. The high so far today is 43F degrees, this is 6 degrees above the normal daily maximum of 37F. The low since midnight is 29F, 10 degrees above the normal daily minimum of 19F. Today’s Observations: 7 A.M. Weather: Scattered cirrus Temperature: 31F; Dew Point: 23F; Wind: W at 13G18 kts Relative Humidity: 72% Sea-level pressure: 30.15 ins. Hg: rising, then more rapidly Visibility: 40 miles, hazy 6-hr Max temp: 32F 6-hr Min temp: 29F 24-hr Precip:  0.00 ins. 24-hr Snowfall: 0.0 ins. BHO SA 1155 200 SCT 250 –SCT 40 210/31/23/2713G18/015/ PTCHES DENSE CI E-S HAZY/ 8/002 53014 10032 20029 10 A.M. Weather: Scattered stratocumulus, scattered cirrus Temperature: 39F; Dew Point: 21F; Wind: WNW at 9G18 kts Relative Humidity: 48% Sea-level pressure: 30.21 ins. Hg: rising, then more slowly Visibility: 40 miles, hazy 3-hr Precip:  0.00 ins. 3-hr Snowfall: 0.0 ins. BHO SA 1455 40 SCT 250 –SCT 40 231/39/21/3009G18/021/ HAZY/ 8/501 51021 1 P.M. Weather: Clear, few stratocumulus WSW-NW-NE Temperature: 43F; Dew Point: 16F; Wind: WNW at 10G20 kts Relative Humidity: 33% Sea-level pressure: 30.20 ins. Hg: steady, then falling Visibility: 60 miles, hazy 6-hr Max temp: 43F 6-hr Min temp: 29F 6-hr Precip:  0.00 ins. 6-hr Snowfall: 0.0 ins. BHO SA 1755 CLR 60 227/43/16/2910G20/020/ FEW SC WSW-NW-NE HAZY/ 8/500 58004 10043 20031 SUMMARY FOR SUNDAY, FEBRUARY 16, 2020 TEMPERATURE (DEGREES F) MAX…..40   NORMAL…..37 MIN…..23   NORMAL…..19 MEAN….32   NORMAL…..28 DEPARTURE FROM 30-YEAR NORMAL………………. +4 TOTAL DEPARTURE FOR THE MONTH……………….+89 [+5.3 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY……………33  DEPARTURE……. -4 TOTAL HEATING UNITS FOR THE MONTH…………..521  DEPARTURE…….-90 TOTAL HEATING UNITS FOR THE SEASON…………3750  DEPARTURE……-392 TOTAL HEATING UNITS LAST SEASON TO DATE…….4024  DEPARTURE……-274 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………..38 SW  AT  2:52 A.M. AERO…………………….38 SW  AT  2:55 A.M. ASOS…………………….39 SSW AT  2:53 A.M. DAVIS……………………39 SW  AT  2:52 A.M. RMY N/A FASTEST MILE FOR YESTERDAY………………….28 SW  AT  2:21 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………….28 SSW AT  2:54 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE………………27 SW  AT  2:20 A.M. AVERAGE WIND SPEED AND DIRECTION………….12.5 SW ASOS………………….12.5 DAVIS…………………12.3 SW [232 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.15 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….1.89  DEPARTURE……-0.33 ASOS…………..2.00 TOTAL PRECIPITATION FOR THE YEAR………..3.35  DEPARTURE……-3.22 ASOS…………..3.54 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…….-0.5 TOTAL SNOWFALL FOR THE MONTH…………….0.6  DEPARTURE…….-7.3 TOTAL SNOWFALL FOR THE SEASON…………..24.8  DEPARTURE……-16.2 PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/PEAK GUST/AERO/RMY GUST AERO: Aerovane wind recording system gust RMY:  R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ….: Data not yet available, records not finalized M:    Missing data 02/01  38/30/34/+8/0.01/T/…./..          14 WSW AERO 14 WSW RMY N/A 02/02  40/30/35/+9/0.00/0.0/…./..        18 W   AERO 18 WNW RMY 18 02/03  44/27/36/+10/0.00/0.0/…./..       28 W   AERO 28 W   RMY 28 02/04  44/33/39/+13/0.00/0.0/…./..       19 E   AERO 16 E   RMY 18 02/05  41/30/36/+10/0.00/0.0/…./..       20 NNW AERO 19 NNW RMY N/A 02/06  31/30/34/+8/0.00/0.0/…./..        29 E   AERO 28 E   RMY 27 02/07  53/25/39/+12/…./0.1/…./..       71 WSW AERO 71 SSW RMY 73 02/08  33/20/27/0/T/T/…./..              46 W   AERO 44 W   RMY 44 02/09  33/15/24/-3/T/T/…./..             30 SSE AERO 29 SSE RMY N/A 02/10  42/33/38/+11/…./0.0/…./..       39 SSW AERO 39 SSW RMY 39 02/11  40/36/38/+11/…./0.0/…./..       24 W   AERO 23 W   RMY N/A 02/12  41/30/36/+9/0.00/0.0/…./..        37 W   AERO 36 W   RMY N/A 02/13  35/31/34/+6/.00/0.0/…./..         29 SSW AERO 29 SSW RMY N/A 02/14  33/8/21/-7/0.00/0.0/…./..         32 WNW AERO 32 NW  RMY 34 02/15  27/4/16/-2/0.00/0.0/…./..         31 SSW AERO 31 SSW RMY N/A 02/16  40/23/32/+4/0.00/0.0/…./..        38 SW  AERO 38 SW  RMY N/A 02/17 The low since midnight is 29F, daily normal minimum is 19F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR FEBRUARY 17 HIGH 61F IN 1981 LOW -16F IN 1896 PRECIP 1.86 INCHES IN 2003 SNOWFALL 20.0 INCHES IN 2003 PEAK GUST 72 MPH NW IN 1968 RECORDS FOR FEBRUARY 18 HIGH 65F IN 1981 LOW -10F IN 1958 PRECIP 1.97 INCHES IN 1887 SNOWFALL 9.2 INCHES IN 1952 PEAK GUST 70 MPH S IN 2008 TODAY’S REPORT PREPARED BY: Matt Douglas
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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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