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Tuesday, April 14, 2015

April 14, 2015

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

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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, APRIL 14, 2015 ALL TIMES ARE IN EASTERN STANDARD TIME MAXIMUM TEMPERATURE OF 69F YESTERDAY MARKS WARMEST DAY SINCE OCTOBER OF LAST YEAR Generally clear skies and a warm southerly flow yesterday allowed for the warmest temperatures of the year so far, as a maximum of 69F was reached prior to the 1:00 PM EST observation. Overnight, temperatures only dipped to 50F as clouds and humidity were on the rise. By 6:41 AM EST this morning, rain began ahead of a cold front, dropping a quick 0.05 inches of new rain, before ending at 7:52 AM EST. Clear skies and excellent visibility became visible not long after the passage of showers, and by the 1:00 PM EST observation a maximum of 63F had been reached. —————————————————– Today’s Observations: 7 A.M. Weather: Light rain, began at 6:41 AM EST, broken stratocumulus, overcast stratus Temperature: 57F; Dew Point: 53F; Wind: W at 10 kts, Sea-level pressure: 30.11 ins. Hg, increasing then more quickly Visibility: 12 miles, except 8 miles SW, obscured by light rain 6-hr Max temp: 57F 6-hr Min temp: 53F 6-hour precip: 0.01 inches BHO SA 1155 E23 BKN 30 OVC 12R- 196/57/53/2610/011/ R-B41 VSBY SW 8 MI/ 8/6// 53021 MANUAL 60001 70001 10057 20053 10 A.M. Weather: Broken altostratus undulatus, few cumulus fractus distant SE-S Temperature: 57F; Dew Point: 43F; Wind: WNW at 10G16 kts, Sea-level pressure: 30.16 ins. Hg, rising, then more quickly Visibility: 40 miles, except 80 miles W-N 3-hr precip: 0.04 inches BHO SA 1455 E60 BKN 40 214/57/43/3010G16/016/ VSBY W-N 80 MI FEW CUFRA SE-S/ 8/72/ 53018 ASOS 60005 MANUAL 60004 1 P.M. Weather: Broken altostratus, few stratocumulus distant E-SSW Temperature: 62F; Dew Point: 33F; Wind: WNW at 11kts Sea-level pressure: 30.12 ins. Hg, falling then more slowly Visibility: 60 miles, except 80 W-NE 6-hr Max temp: 63F 6-hr Min temp: 52F 6-hr precip: 0.04 inches BHO SA 1755 E200 BKN 60 200/62/33/2911/012/ VSBY W-NE 80 MI FEW SC E-SSW/ 8/510 56014 ASOS 60005 MANUAL 60004 10063 20052 SUMMARY FOR MONDAY, APRIL 13, 2015 TEMPERATURE (DEGREES F) MAX…..69   NORMAL…..55 MIN…..47   NORMAL…..37 MEAN….58   NORMAL…..46 DEPARTURE FROM 30-YEAR NORMAL………………….+12 TOTAL DEPARTURE FOR THE MONTH…………………..-3 [-0.4 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY……………7  DEPARTURE……….-12 TOTAL HEATING UNITS FOR THE MONTH………….284  DEPARTURE………..+3 TOTAL HEATING UNITS FOR THE SEASON………..6027  DEPARTURE………+262 TOTAL HEATING UNITS LAST SEASON TO DATE……5848  DIFFERENCE……..+179 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………35 SSW AT  11:34 P.M.* ASOS…………………..37 SSW AT  10:52 P.M. DAVIS………………….38 SSW AT  10:53 P.M. RMY N/A FASTEST MILE FOR YESTERDAY………………..29 SSW AT  10:53 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..30 SSW AT  11:35 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….29 SSW AT  10:53 P.M. AVERAGE WIND SPEED AND DIRECTION…………16.0 S ASOS…………………16.0 DAVIS………………..14.2 SSW [205 degrees] * Last of several occurrences… PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…..0.01  DEPARTURE…..-0.15 ASOS……………0.00 TOTAL PRECIPITATION FOR THE MONTH………..1.44  DEPARTURE…..-0.76 ASOS……………1.38 TOTAL PRECIPITATION FOR THE YEAR………..16.03  DEPARTURE…..-0.04 ASOS…………….N/A *** *** ASOS annual totals not available due to erroneous readings SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M………..0.0  DEPARTURE…..-0.1 TOTAL SNOWFALL FOR THE MONTH……………Trace  DEPARTURE…..-2.0 TOTAL SNOWFALL FOR THE SEASON…………..150.8  DEPARTURE….+89.1 PRELIMINARY CLIMATE SUMMARY FOR APRIL CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOWFALL/SUN(MIN.)/SUN(%)/ PEAK GUST/RMY 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 4/1  44/26/35/-6/0.00/0.0/748/98              30 WNW RMY 31 4/2  59/29/44/+3/T/0.0/375/49                 39 SSW RMY 43 4/3  56/47/52/+10/0.02/0.0/000/00             36 SW  RMY N/A 4/4  49/32/41/-1/…./0.0/501/65              54 NW  RMY 64 4/5  47/30/39/-4/…./0.0/464/60              40 W   RMY 45 4/6  48/33/41/-2/0/00/0.0/544/70              18 NE  RMY N/A 4/7  39/34/37/-6/…./0.0/000/00              21 NE  RMY N/A 4/8  41/32/37/-7/…./T/000/00                30 ENE RMY 32 4/9  35/32/34/-10/…./0.0/000/00             31 ENE RMY 32 4/10 53/35/44/-1/…./0.0/000/00              31 SW  RMY N/A 4/11 56/38/46/+1/0.00/0.0/…/..              39 WNW RMY 48 4/12 68/35/52/+7/0.00/0.0/…/..              23 WNW RMY 23 4/13 69/47/58/+12/0.00/0.0/…/..             35 SSW RMY N/A 4/14 low since midnight is 52F normal low is 37F DAILY RECORDS FOR APRIL 2015 4/3 – NEW RECORD DAILY HIGH MINIMUM TEMPERATURE: 47F surpasses the previous record of 46F in 1892 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR APRIL 14 HIGH 80 IN 1945 LOW 21 IN 1923 PRECIP 2.22 IN. IN 1895 SNOWFALL 8.4 IN. IN 1953 PEAK GUST 71e MPH W IN 1943 RECORDS FOR APRIL 15 HIGH 81 IN 1896 LOW 23 IN 1943 PRECIP 1.75 IN. IN 2007 SNOWFALL 1.0 IN. IN 1916, 1962 PEAK GUST 66 MPH E IN 2007 TODAY’S REPORT PREPARED BY:  Brian Fitzgerald
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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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