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Wednesday, December 28, 2016

December 28, 2016

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY WEDNESDAY, 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 WEDNESDAY, DECEMBER 28, 2016 ALL TIMES ARE IN EASTERN STANDARD TIME PERIODS OF SUN AND CLOUDS WITH COLDER TEMPERATURES TODAY AS DRIER AIR BRIEFLY MOVES IN BEFORE THE NEXT STORM… The strong winds on Friday brought the highest wind gust of the month so far of 51 mph SW early Friday morning. Temperatures in the middle 50s topped out at 56F, which was one short of the record for the date of 57F set in 1895 and 1949. Cooler temperatures began to arrive Friday evening on a W-WNW wind, and the minimum was 34F at sunrise this morning. Early morning clouds broke for a while to provide some sun at mid-day today, before returning later in the afternoon. A period of virga was observed to the NW around the time of the 1 PM EST observation, though no precipitation was recorded on the hill. Drier air swept in today dropping the dew point from the low 50s Friday morning to the middle teens this afternoon. Visibility has climbed all day reaching 80 miles at 1 PM. With a mean wind speed of 22.5 mph and a peak gust of 51 mph, Friday was the windiest day at BHO since April 7th, which had a mean of 24.3 mph and a peak gust of 53 mph. The warmth yesterday has turned the month around to the warm side of normal. 7 A.M. Weather: Overcast stratocumulus, few lower stratocumulus N-SE, breaks in overcast distant all quadrants Temperature: 34F; Dew Point: 25F; Wind: W at 8 kts, Sea-level pressure: 29.96 ins. Hg, rising, then more quickly Visibility: 45 miles 6-hr Max temp: 35F 6-hr Min temp: 34F 24-hr precip: 0.00 in. 24-hr snowfall: 0.0 in. BHO SA 1155 E50 OVC 45 147/34/25/2808/996/ FEW LWR SC N-SE BINOVC DSNT ALQDS/ 8/5// 53021 10035 20034 10 A.M. Weather: Scattered cumulus and stratocumulus, scattered altocumulus, few altocumulus lenticularis SW-NW Temperature: 37F; Dew Point: 22F; Wind: WNW at 13G22 kts, Peak Wind: 30 mph WNW at 9:42 A.M. EST Sea-level pressure: 30.02 ins. Hg, rising steadily Visibility: 70 miles BHO SA 1455 35 SCT 65 SCT 70 166/37/22/2913G22/002/ FEW ACSL SW-NW PK WND 2926/42/ 8/840 52019 1 P.M. Weather: Scattered stratocumulus, broken altocumulus, virga distant WNW-NNW Temperature: 38F; Dew Point: 18F; Wind: WNW at 10 kts, Sea-level pressure: 30.01 ins. Hg, falling, then rising, now lower Visibility: 80 miles, visibility NW 70 6-hr Max temp: 39F 6-hr Min temp: 34F BHO SA 1755 50 SCT E65 BKN 80 162/38/18/2910/001/ VIRGA DSNT WNW-NNW VSBY NW 70/ 8/570 55004 10039 20034 SUMMARY FOR TUESDAY, DECEMBER 27, 2016 TEMPERATURE (DEGREES F) MAX…..56   NORMAL…..36 MIN…..35   NORMAL…..20 MEAN….46   NORMAL…..28 DEPARTURE FROM 30-YEAR NORMAL…………………..+18 TOTAL DEPARTURE FOR THE MONTH…………………..+15 [+0.4 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..19   DEPARTURE………-18 TOTAL HEATING UNITS FOR THE MONTH………….875   DEPARTURE………-17 TOTAL HEATING UNITS FOR THE SEASON………..1905   DEPARTURE……..-249 TOTAL HEATING UNITS LAST SEASON TO DATE……1525   DIFFERENCE…….+380 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY……………….51 SW  AT  5:38 A.M. * ASOS……………………56 SSW AT  4:10 A.M. DAVIS…………………..55 SSW AT  4:08 A.M. RMY N/A FASTEST MILE FOR YESTERDAY…………………41 SW  AT  5:39 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE………………39 SW  AT  5:39 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE……………..38 SSW AT  5:39 A.M. AVERAGE WIND SPEED AND DIRECTION………….22.5 SW ASOS………………….22.4 DAVIS…………………19.7 SSW [206 Deg.] * Last of several occurrences. PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.14 ASOS…………..0.01 TOTAL PRECIPITATION FOR THE MONTH……….1.90  DEPARTURE……-2.42 ASOS…………..2.15 TOTAL PRECIPITATION FOR THE YEAR……….38.87  DEPARTURE…..-13.98 ASOS………….39.58 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…….-0.5 TOTAL SNOWFALL FOR THE MONTH…………….6.0  DEPARTURE…….-5.2 TOTAL SNOWFALL FOR THE SEASON……………6.0  DEPARTURE…….-7.8 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/+2/0.00/0.0/445/80           37 WNW AERO 39 WNW RMY 40 12/4  39/27/33/-2/0.00/0.0/355/64           25 NW  AERO 25 NW  RMY N/A 12/5  36/27/32/-3/0.13/0.4/000/00           26 W   AERO 25 W   RMY 29 12/6  42/30/36/+1/0.00/0.0/392/71           22 W   AERO 21 W   RMY N/A 12/7  39/34/37/+3/0.10/0.0/000/00           21 E   AERO 21 E   RMY N/A 12/8  40/29/35/+1/0.00/0.0/033/06           30 W   AERO 31 W   RMY 33 12/9  35/21/28/-6/0.00/0.0/549/100          35 W   AERO 36 WNW RMY 34 12/10 27/17/22/-11/0.00/0.0/544/99          26 WNW AERO 27 WNW RMY 29 12/11 33/16/25/-8/0.06/0.4/411/75           17 SSW AERO 15 SW  RMY N/A 12/12 41/27/34/+1/0.35/0.9/038/07           29 ESE AERO 29 SE  RMY 30 12/13 41/30/36/+4/0.00/0.0/427/78           25 WSW AERO 25 W   RMY 27 12/14 40/26/33/+1/0.00/0.0/530/97           30 WNW AERO 31 WNW RMY N/A 12/15 29/13/21/-11/T/T/420/77               50 W   AERO 62 W   RMY 56 12/16 18/01/10/-21/0.00/0.0/485/89          39 WNW AERO 51 WNW RMY N/A 12/17 36/18/27/-4/0.60/4.3/000/00           25 SSW AERO 28 SSW RMY N/A 12/18 55/30/43/+12/0.05/0.0/000/00          47 WSW AERO 53 S   RMY 53 12/19 30/17/24/-6/0.00/0.0/273/50           26 WNW*AERO 28 NW  RMY 26 12/20 32/13/23/-7/0.00/0.0/359/66           28 SSE AERO 29 SSW RMY N/A 12/21 40/25/33/+3/0.00/0.0/354/65           28 SSE AERO 28 SSW RMY 30 12/22 38/29/34/+5/T/T/033/06                28 SSE AERO 29 S   RMY 30 12/23 44/29/37/+8/0.00/0.0/…/..           25 WNW AERO 25 WNW RMY N/A 12/24 41/34/38/+9/0.39/0.0/…/..           30 SSW AERO 31 SSW RMY 30 12/25 43/25/34/+6/0.00/0.0/…/..           35 NW  AERO 37 NW  RMY 36 12/26 46/20/33/+5/…./0.0/…/..           39 S   AERO 40 S   RMY N/A 12/27 56/35/46/+18/…./0.0/…/..          51 SW  AERO 55 SW  RMY N/A 12/28 Low temp since midnight is 34F; normal low is now 20F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR DECEMBER 28 HIGH 60 IN 1982 LOW -2 IN 1933 PRECIP 2.16 INS. IN 1967 SNOWFALL 9.5 INS. IN 1967 PEAK GUST 89 MPH SSE IN 1983 RECORDS FOR DECEMBER 29 HIGH 72 IN 1984 LOW -19 IN 1933 (RECORD FOR DECEMBER) PRECIP 1.91 INS. IN 1945 SNOWFALL 18.4 INS. IN 1945 PEAK GUST 95 MPH S IN 1966 (RECORD FOR DECEMBER) TODAY’S REPORT PREPARED BY: Mike Iacono
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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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