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Saturday, December 10, 2016

December 12, 2016

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

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SATURDAY, DECEMBER 10, 2016 COLDEST DAY OF THE SEASON DESPITE MOSTLY SUNNY SKIES Temperatures reached a minimum of 17F this morning, making it the lowest temperature of the season. 26F was the high reached by the 1:00PM EST observation. Winds out of the NNW brought us this cold air. The peak gust so far for the day is 29 mph, which was last measured at 11:32 AM EST. Pressure continued to rise and the air remained very dry with dew points around 10F. The dry conditions allowed for great visibility at 80 miles. 7 A.M. Weather: Few stratocumulus NNE-SW, few altostratus SW-NNE, few cirrus in all directions Temperature: 18F; Dew Point: 11F; Wind: WNW at 10G18 kts Sea-level pressure: 30.27 ins. Hg, rising, then more quickly Visibility: 70 miles 6-hr Max temp: 20F 6-hr Min temp: 17F 24-hr precip: 0.00 in. BHO SA 1155 CLR 70 249/18/11/2910G18/027/ FEW SC NNE-SW FEW AS SW-NNE FEW CI ALQDS/ 8/411 53015 10020 20017 10 A.M. Weather: Few stratocumulus in all directions, scattered cirrostratus Temperature: 22F; Dew Point: 8F; Wind: WNW at 10G22 kts Sea-level pressure: 30.30 ins. Hg, rising, then less quickly Visibility: 80 miles BHO SA 1455 250 SCT 80 261/22/08/3010G22/030/ FEW SC ALQDS/ 8/408 51012 1 P.M. Weather: Few stratocumulus, scattered cirrostratus Temperature: 26F; Dew Point: 10F; Wind: WNW at 11G20 kts Sea-level pressure: 30.25 ins. Hg, falling, then more quickly Visibility: 80 miles 6-hr Max temp: 26F 6-hr Min temp: 18F BHO SA 1755 220 SCT 80 245/26/10/3011G20/025/ FEW SC ALQDS/ 8/408 56016 10026 20018 SUMMARY FOR FRIDAY, DECEMBER 9, 2016 TEMPERATURE (DEGREES F) MAX…..35   NORMAL…..41 MIN…..21   NORMAL…..26 MEAN….28   NORMAL…..34 DEPARTURE FROM 30-YEAR NORMAL……………………-6 TOTAL DEPARTURE FOR THE MONTH…………………..+11 [+0.7 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..37   DEPARTURE……….-6 TOTAL HEATING UNITS FOR THE MONTH………….258   DEPARTURE………-11 TOTAL HEATING UNITS FOR THE SEASON………..1288   DEPARTURE……..-243 TOTAL HEATING UNITS LAST SEASON TO DATE……1209   DIFFERENCE……..+79 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY……………….35 W   AT  9:06 A.M. ASOS……………………36 W   AT  9:06 A.M. DAVIS…………………..34 W   AT  9:04 A.M. RMY 34 FASTEST MILE FOR YESTERDAY…………………24 W   AT  1:00 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE………………34 WNW AT  1:51 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE……………..23 W   AT 12:46 P.M. AVERAGE WIND SPEED AND DIRECTION………….16.1 W ASOS………………….15.0 DAVIS…………………13.9 W [270 Deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.16 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….0.43  DEPARTURE……-1.05 ASOS…………..0.49 TOTAL PRECIPITATION FOR THE YEAR……….37.40  DEPARTURE…..-12.61 ASOS………….37.92 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…….-0.4 TOTAL SNOWFALL FOR THE MONTH…………….0.4  DEPARTURE…….-2.4 TOTAL SNOWFALL FOR THE SEASON……………0.4  DEPARTURE…….-5.0 PRELIMINARY CLIMATE SUMMARY FOR DECEMBER 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 12/1  55/39/47/+10/0.20/0.0/385/69          36 W   AERO 37 W   RMY 36 12/2  48/34/41/+5/0.00/0.0/535/96           32 W   AERO 32 W   RMY N/A 13/3  44/31/38/+2/0.00/0.0/…/..           37 WNW AERO 39 WNW RMY 40 12/4  39/27/33/-2/0.00/0.0/…/..           25 NW  AERO 25 NW  RMY N/A 12/5  36/27/32/-3/0.13/0.4/…/..           26 W   AERO 25 W   RMY 29 12/6  42/30/36/+1/0.00/0.0/…/..           22 W   AERO 21 W   RMY N/A 12/7  39/34/37/+3/0.10/0.0/…/..           21 E   AERO 21 E   RMY N/A 12/8  40/29/35/+1/0.00/0.0/…/..           30 W   AERO 31 W   RMY 33 12/9  35/21/28/-6/0.00/0.0/…/..           35 W   AERO 36 WNW RMY 34 12/10  Low temp since midnight is 17F; normal low is now 26F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR DECEMBER 10 HIGH 62 IN 1946 LOW -6 IN 1902 PRECIP 1.67 INS. IN 1907 SNOWFALL 6.0 INS. IN 1905 PEAK GUST 66e SW IN 1940 RECORDS FOR DECEMBER 11 HIGH 63 IN 1911 LOW -1 IN 1988 PRECIP 2.36 INS. IN 1992 SNOWFALL 6.0 INS. IN 1894 PEAK GUST 78 S IN 1969 TODAY’S REPORT PREPARED BY: Lizzy Suzedell
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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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