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Tuesday, March 14, 2017

March 14, 2017

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

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, MARCH 14, 2017 ALL TIMES ARE IN EASTERN STANDARD TIME WINTER STORM SNOWFALL BREAKS DAILY RECORD Light snow began to fall early this morning leaving 0.5 in. at the 7:00AM EST ob.  Winds began to gust over 30 knots before 8:00AM EST and remained at those speeds through the afternoon.  The peak gust so far has been 52 kts (60 MPH) at 1:12 PM EST. Sleet and ice pellets mixed with snow by 1:00PM EST. This turned to rain around 3:30PM EST.  Total storm snowfall through 4:00PM EST measured 7.2 inches, which breaks the previous daily snowfall record of 6.7 inches set in 1958.  Liquid precip. measured 1.81 inches. Pressure continued to fall rapidly through the day as the storm moved in.  The storm also brought fog to Great Blue Hill which limited visibility to less than 1/4 mile for most of the late morning and afternoon. Today’s Observations: 7 A.M. Weather: Light snow, fog, overcast stratus Temperature: 28F; Dew Point: 25F; Wind: NE at 16G24 kts Sea-level pressure: 30.08 ins. Hg, falling, then more quickly Visibility: 6 miles, except 15 miles WNW-ENE 6-hr Max temp: 28F 6-hr Min temp: 24F 24-hr precip: 0.02 in. 24-hr snowfall: 0.5 in. BHO SA 1155 E26 OVC 6S-F 187/28/25/0516G24/008/ VSBY WNW-ENE 15 NEW SNW PST 24 HRS 0.5 INS/ 8/6// 4/001 58053 MANUAL 70002 ASOS 70003 10028 20024 10 A.M. Weather: Snow, thick fog Temperature: 31F; Dew Point: 30F; Wind: ENE at 26G38 kts, Peak Wind: 40 kts (46 MPH) ENE at 9:31 AM EST Sea-level pressure: 29.85 ins. Hg, falling rapidly Visibility: 1/8 mile BHO SA 1455 W3 X 1/8SF 110/31/30/0626G38/985/ PRESFR PK WND 0640/31 NEW SNW PST 3 HRS 1.8 INS/ 8//// 58077 MANUAL 6020/ ASOS 60020 1 P.M. Weather: Light snow, sleet, thick fog Temperature: 31F; Dew Point: 31F; Wind: ENE at 29G43 kts, Peak Wind: 46 kts (53 MPH) ENE at 12:09 PM EST Sea-level pressure: 29.40 ins. Hg, falling rapidly Visibility: 3/16 miles 6-hr Max temp: 31F 6-hr Min temp: 28F BHO SA 1755 W3 X 3/16S-IPF 956/31/31/0629G43/940/ PRESFR PK WND 0646/09 NEW SNW PST 6 HRS 5.3 INS/ 8//// 4/006 58154 MANUAL 6112/ ASOS 60118 10031 20028 SUMMARY FOR MONDAY, MARCH 13, 2017 TEMPERATURE (DEGREES F) MAX…..33   NORMAL…..43 MIN……8   NORMAL…..26 MEAN….21   NORMAL…..34 DEPARTURE FROM 30-YEAR NORMAL……………………-13 TOTAL DEPARTURE FOR THE MONTH……………………-37 [-3.0 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..44   DEPARTURE………+13 TOTAL HEATING UNITS FOR THE MONTH………….458   DEPARTURE………+38 TOTAL HEATING UNITS FOR THE SEASON………..4335   DEPARTURE……..-663 TOTAL HEATING UNITS LAST SEASON TO DATE……3995   DIFFERENCE…….+340 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY……………….25 WNW AT 12:44 A.M. AERO……………………29 WNW AT 12:44 A.M. ASOS……………………28 NW  AT 12:45 A.M. DAVIS…………………..28 NNW AT 12:44 A.M. RMY N/A FASTEST MILE FOR YESTERDAY…………………20 WNW AT 12:51 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE………………20 NW  AT 12:53 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE……………..19 NW  AT 12:48 A.M. AVERAGE WIND SPEED AND DIRECTION…………..9.4 WNW ASOS…………………..9.0 DAVIS………………….8.1 WNW [290 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.02  DEPARTURE……-0.14 ASOS…………..0.03 TOTAL PRECIPITATION FOR THE MONTH……….0.38  DEPARTURE……-1.86 ASOS…………..0.43 TOTAL PRECIPITATION FOR THE YEAR………..9.66  DEPARTURE……-1.00 ASOS……………N/A *** *** ASOS annual total not available due to erroneous readings SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.5  DEPARTURE……..0.0 TOTAL SNOWFALL FOR THE MONTH…………….3.6  DEPARTURE…….-2.9 TOTAL SNOWFALL FOR THE SEASON…………..55.9  DEPARTURE…….+2.4 PRELIMINARY CLIMATE SUMMARY FOR MARCH 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 3/1  61/46/54/+23/0.01/0.0/…/..          41 S   AERO 45 S   RMY 45 3/2  55/26/41/+10/T/T/…/..               58 W   AERO 61 W   RMY 59 3/3  36/19/28/-4/T/T/…/..                38 W   AERO 44 W   RMY N/A 3/4  20/7/14/-18/T/T/…/..                45 NW  AERO 48 NW  RMY 51 3/5  29/5/17/-15/0.00/0.0/…/..           35 WNW AERO 43 WNW*RMY N/A 3/6  40/11/26/-6/0.00/0.0/…/..           18 WNW AERO 17 NW* RMY N/A 3/7  47/29/38/+5/0.01/0.0/…/..           32 S   AERO 35 S   RMY 36 3/8  55/43/49/+16/0.05/0.0/…/..          35 W   AERO 36 W   RMY 37 3/9  49/35/42/+9/0.0/0.0/…/..            53 W   AERO 59 W   RMY 58 3/10 35/20/28/-5/…./…/…/..           35 WNW AERO 44 WNW RMY 40 3/11 20/7/14/-20/…./…/…/..           43 W   AERO 47 W   RMY 50 3/12 25/4/15/-19/0.00/0.0/…/..           32 W   AERO 40 WNW RMY N/A 3/13 33/8/21/-13/0.00/0.0/…/..           25 WNW AERO 29 WNW RMY N/A 3/14  Low temp since midnight is 23F; normal low is now 26F DAILY RECORDS FOR MARCH 2017 3/11/17: DAILY RECORD LOW MAXIMUM TEMPERATURE OF 20F, TIES PREVIOUS RECORD SET IN 1885 3/14/17: DAILY RECORD MAXIMUM SNOWFALL OF 7.2 INS (through 16E), BREAKS PREVIOUS RECORD OF 6.7 INS SET IN 1958 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR MARCH 14 HIGH 74 IN 1946 LOW 8 IN 1926 PRECIP 4.95 INS. IN 2010 SNOWFALL 6.7 INS. IN 1958 PEAK GUST 67 MPH ENE IN 2010 RECORDS FOR MARCH 15 HIGH 80 IN 1990 LOW 6 IN 1993 PRE 2.86 INS. IN 2010 SNOW 12.0 INS. 1967 WIND 73e MPH ESE IN 1940 TODAY’S REPORT PREPARED BY: Cecilia Borries-Strigle
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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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