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Tuesday, March 26, 2019

March 26, 2019

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 26, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME FAIR WEATHER WITH LOW HUMIDITY AND EXCELLENT VISIBILITY…. We observed an excellent visibility of 85 miles throughout the day. Wind shifted from north to northwest, blowing at an average of 10 mph. The highest gust so far today is 20 mph. Conditions both at the surface and aloft have dried out further since yesterday, with a humidity of 18% being observed at 1 P.M. Cloud cover has remained almost negligible, with a few cirrus to the south and east of the observatory. We have reached a high of 42F so far today, 6 degrees below the daily normal maximum of 48F. The low since midnight is 27F, 3 degrees below the normal minimum of 30F. Today’s Observations: 7 A.M. Weather: Scattered cirrus Temperature: 30F; Dew Point: 3F; Wind: N at 12G18 kts Sea-level pressure: 30.22 ins. Hg, rising steadily Visibility: 85 miles 6-hr Max temp: 30F 6-hr Min temp: 27F 24-hr Precip:  0.00 ins. 24-hr snowfall: 0.0 ins. Snow depth: 0 ins. BHO SA 1155 250 SCT 85 233/30/3/3512G18/022/ 8/002 51018 10030 20027 10 A.M. Weather: Clear, few cirrus E-SW Temperature: 37F; Dew Point: 3F; Wind: N at 9G18 kts Sea-level pressure: 30.26 ins. Hg, rising steadily Visibility: 85 miles 3-hr Precip: 0.00 ins. BHO SA 1455 CLR 85 246/37/3/3509G18/026/ FEW CI E-SW/ 8/002 51013 1 P.M. Weather: Clear, few cirrus E-S Temperature: 42F; Dew Point: 1F; Wind: NW at 8G20 kts Sea-level pressure: 30.25 ins. Hg, rising then falling Visibility: 85 miles 6-hr Max temp: 42F 6-hr Min temp: 30F 6-hr Precip:  0.00 ins. 6-hr snowfall: 0.0 ins. BHO SA 1755 CLR 85 243/42/1/3308G20/025/ FEW CI E-S/ 8/002 58003 10042 20030 SUMMARY FOR MONDAY, MARCH 25, 2019 TEMPERATURE (DEGREES F) MAX…..49   NORMAL…..47 MIN…..32   NORMAL…..30 MEAN….41   NORMAL…..38 DEPARTURE FROM 30-YEAR NORMAL…………………….+3 TOTAL DEPARTURE FOR THE MONTH……………………-24 [-1.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..24   DEPARTURE………-3 TOTAL HEATING UNITS FOR THE MONTH………….788   DEPARTURE……..+25 TOTAL HEATING UNITS FOR THE SEASON………..5274   DEPARTURE……..-54 TOTAL HEATING UNITS LAST SEASON TO DATE……4925   DIFFERENCE……+349 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………..25 NNW AT  6:23 A.M. AERO…………………….M ASOS…………………….26 NNW AT  6:23 A.M. DAVIS……………………26 WNW AT  6:23 A.M.  RMY N/A FASTEST MILE FOR YESTERDAY………………….21 W   AT  1:48 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………….18 W   AT  1:51 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE………………20 WSW AT  1:48 A.M. AVERAGE WIND SPEED AND DIRECTION…………..10.0 NW ASOS…………………..10.3 DAVIS………………….10.5 WSW [258 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE…….-0.19 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….3.95  DEPARTURE…….-0.54 ASOS…………..3.96 TOTAL PRECIPITATION FOR THE YEAR……….12.91  DEPARTURE…….+0.00 ASOS………….13.03 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE……..-0.3 TOTAL SNOWFALL FOR THE MONTH……………23.1  DEPARTURE…….+12.1 TOTAL SNOWFALL FOR THE SEASON…………..47.6  DEPARTURE…….-10.4 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 03/01 38/17/28/-3/…./…/…/..           16 NNW AERO 13 NNW RMY 22 03/02 31/27/29/-2/…./…/…/..           29 NNE AERO 22 NNE RMY 30 03/03 40/25/33/+1/…./…/…/..           21 ESE AERO 14 ESE RMY N/A 03/04 35/18/27/-5/…./…/…/..           33 W   AERO 18 W   RMY 32 03/05 29/10/20/-12/0.00/0.0/…/..          28 WNW AERO 12 SW  RMY N/A 03/06 24/10/17/-15/0.00/0.0/…/..          40 WNW AERO 25 WNW RMY 41 03/07 26/6/16/-17/0.00/0.0/…/..           35 W   AERO 18 W   RMY 34 03/08 35/11/23/-10/0.00/0.0/…/..          23 WSW AERO M  M   RMY M 03/09 43/22/33/0/0.00/0.0/…/..            20 WSW AERO M  M   RMY N/A 03/10 40/26/33/0/…./…/…/..            32 ESE AERO 23 S   RMY 32 03/11 48/33/41/+7/…./…/…/..           40 NW  AERO 37 NNW RMY 41 03/12 41/27/34/0/…./…/…/..            32 N   AERO 33 N   RMY 34 03/13 43/24/34/0/…./…/…/..            18 W   AERO 21 W   RMY 23 03/14 48/32/40/0/…./…/…/..            25 S   AERO 28 S   RMY M 03/15 58/40/49/+14/0.12/0.0/…/..          37 SSW AERO 38 SSW RMY 39 03/16 50/31/41/+6/0.00/0.0/…/..           45 W   AERO 46 W   RMY 48 03/17 40/26/33/-3/0.00/0.0/…/..           40 WNW AERO M  M   RMY N/A 03/18 41/22/32/-4/0.00/0.0/…/..           29 W   AERO M  M   RMY 30 03/19 44/25/35/-1/0.00/0.0/…/..           25 W   AERO M  M   RMY N/A 03/20 50/27/39/+2/0.00/0.0/…/..           26 S   AERO M  M   RMY 29 03/21 50/33/42/+5/…./…/…/..           25 SSE AERO M  M   RMY 46 03/22 39/34/37/0/…./…/…/..            40 W   AERO M  M   RMY 44 03/23 45/28/37/-1/0.00/0.0/…/..           45 WNW AERO M  M   RMY 50 03/24 56/29/43/+5/0.00/0.0/…/..           28 W   AERO M  M   RMY 30 03/25 49/32/41/+3/0.00/0.0/…/..           25 NNW AERO M  M   RMY N/A 03/26 Low temp since midnight is 27F; normal low is 30F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR MARCH 26 HIGH 76 IN 1922, 1949 LOW 6 IN 1960 PRECIP 1.99 INS. IN 1988 SNOWFALL 5.4 INS. IN 2001 PEAK GUST 63 MPH S IN 1970 RECORDS FOR MARCH 27 HIGH 78 IN 1998 LOW 12 IN 1975 PRECIP 1.05 INS. IN 1913 SNOWFALL 6.6 INS. IN 1959 PEAK GUST 62 MPH NW IN 1965, SE IN 1992 TODAY’S REPORT PREPARED BY: Benjamin Turner
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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
↓ Scroll to read the full Policy — the agreement checkbox will unlock at the bottom
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