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Friday, March 24, 2017

March 24, 2017

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, 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 FRIDAY, MARCH 24, 2017 ALL TIMES ARE IN EASTERN STANDARD TIME HIGH PRESSURE MOVES OFFSHORE BRINGING PRECIPITATION Yesterday’s high pressure has moved off shore bringing a rain/snow mix to Great Blue Hill just after 12:00 PM EST today. The humidity rose and pressure dropped rapidly as the precipitation moved in this afternoon. Temperatures continue to be below normal with a high of 39F by the 1:00PM EST observation the normal high for today 46F. Winds shifted just after 2:00 AM EST from the west to the south and remained moderate today with a peak gust so far of 32 kts (37 MPH) at 12:14 PM EST. Today’s Observations: 7 A.M. Weather: Scattered altocumulus, Broken cirrostratus Temperature: 30F; Dew Point: 8F; Wind: S 12 kts Sea-level pressure: 30.48 ins. Hg, steady then falling Visibility: 60 miles 6-hr Max temp: 30F 6-hr Min temp: 25F 24-hr precip: 0.00 24-hr snowfall: 0.0 BHO SA 1155 E110 SCT E250 BKN 60 321/30/08/1712/048/ 8/036 4/001 58006 10030 20025 10 A.M. Weather: Overcast altostratus, few cumulus SSE-SW Temperature: 37F; Dew Point: 24F; Wind: S at 14 kts Sea-level pressure: 30.41 ins. Hg, falling steadily Visibility: 45 miles BHO SA 1455 E70 OVC 45 298/37/24/1914/041/ FEW CU SSE-SW 8/12/ 57023 1 P.M. Weather: Light snow, broken cumulus, overcast nimbostratus Temperature: 34F; Dew Point: 34F; Wind: S at 17G23 kts, Peak wind: 32 kts (37 MPH) @ 12:14 P.M. Sea-level pressure: 30.26 ins. Hg, falling rapidly Visibility: 20 miles, distant fog all directions 6-hr Max temp: 39F 6-hr Min temp: 30F 6-hr precipitation: 0.01 inches 6-hour snowfall: Trace BHO SA 1755 E20 BKN E32 OVC 20S- 247/34/34/1717G23/026/ DSNT FG ALQDS PK WND 1932/14 NEW SNW PST 6HRS TRACE PRESFR/ 8/12/ 53051 MANUAL 60001 10039 20030 SUMMARY FOR THURSDAY, MARCH 23, 2017 TEMPERATURE (DEGREES F) MAX…..36   NORMAL…..46 MIN…..13   NORMAL…..29 MEAN….25   NORMAL…..37 DEPARTURE FROM 30-YEAR NORMAL……………………-13 TOTAL DEPARTURE FOR THE MONTH……………………-95 [-4.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..40   DEPARTURE………+13 TOTAL HEATING UNITS FOR THE MONTH………….804   DEPARTURE………+95 TOTAL HEATING UNITS FOR THE SEASON………..4681   DEPARTURE……..-596 TOTAL HEATING UNITS LAST SEASON TO DATE……4237   DIFFERENCE…….+444 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY……………….36 WNW  AT 3:39 P.M. AERO……………………35 WNW  AT 3:41 P.M. ASOS……………………36 WNW  AT 3:50 P.M. DAVIS…………………..35 NNW  AT 3:40 P.M. RMY 38 FASTEST MILE FOR YESTERDAY…………………25 WNW  AT 3:29 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE………………24 NW   AT 3:51 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE……………..24 NW   AT 3:41 P.M. AVERAGE WIND SPEED AND DIRECTION………….14.1 WNW ASOS………………….13.9 DAVIS…………………12.8 NW [323 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.20 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….2.52  DEPARTURE……-1.59 ASOS…………..2.73 TOTAL PRECIPITATION FOR THE YEAR……….11.80  DEPARTURE……-0.73 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……….0.0  DEPARTURE…….-0.4 TOTAL SNOWFALL FOR THE MONTH……………10.3  DEPARTURE…….+0.1 TOTAL SNOWFALL FOR THE SEASON…………..62.6  DEPARTURE…….+5.2 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/+23/0.01/0.0/000/00          41 S   AERO 45 S   RMY 45 3/2  55/26/41/+10/T/T/509/75               58 W   AERO 61 W   RMY 59 3/3  36/19/28/-4/T/T/592/87                38 W   AERO 44 W   RMY N/A 3/4  20/7/14/-18/T/T/622/91                45 NW  AERO 48 NW  RMY 51 3/5  29/5/17/-15/0.00/0.0/687/100          35 WNW AERO 43 WNW*RMY N/A 3/6  40/11/26/-6/0.00/0.0/641/93           18 WNW AERO 17 NW* RMY N/A 3/7  47/29/38/+5/0.01/0.0/000/00           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/-5/0.27/2.9/…/..           35 WNW AERO 44 WNW RMY 40 3/11 20/7/14/-20/0.02/0.2/…/..           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 38/23/31/-4/2.15/7.3/…/..           60 NE  AERO 62 NE  RMY 62 3/15 27/15/21/-14/0.00/0.0/…/..          36 W   AERO 37 W   RMY N/A 3/16 33/17/25/-10/0.00/0.0/…/..          36 W   AERO 37 W   RMY 38 3/17 40/22/31/-5/0.00/0.0/…/..           25 WNW AERO 24 WNW RMY 27 3/18 36/24/30/-6/0.00/0.0/…/..           26 ENE AERO 24 ENE RMY 26 3/19 35/28/32/-4/0.01/T/…/..             39 N   AERO 37 N   RMY 39 3/20 49/29/39/+2/0.00/0.0/…/..           31 N   AERO 35 N   RMY 36 3/21 52/34/43/+6/0.00/0.0/…/..           28 W   AERO 26 W   RMY N/A 3/22 38/15/27/-10/T/T/…/..               46 NW  AERO 50 NW  RMY 51 3/23 36/13/25/-13/0.00/0.0/..              36 WNW AERO 35 WNW RMY 38 3/24 Low temp since midnight is 13F; normal low is now 29F 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 7.3 INS, 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 24 HIGH 70 IN 1920 LOW 6 IN 1906 PRECIP 1.51 INS. IN 1956 SNOWFALL 12.3 INS. IN 1956 PEAK GUST 71 MPH W IN 1968 RECORDS FOR MARCH 25 HIGH 76 IN 1910 LOW 8 IN 1888, 1956 PRECIP 1.84 INS. IN 1909 SNOWFALL 1.0 INS. IN 1912 PEAK GUST 69 MPH SE IN 1969 TODAY’S REPORT PREPARED BY: Kaitlin Geagan
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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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