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Saturday, April 19, 2014

April 19, 2014

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SATURDAY, 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 SATURDAY, APRIL 19, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME COOL AND MOSTLY SUNNY WITH A FEW HIGH AND LOW CLOUDS… It was another chilly morning on the summit with a low temperature of 35 deg F in the early hours of the day. There were only a few thin cirrus early this morning, though a few low clouds formed during the morning. The wind has been increasing during the day with gusts reaching 29 mph as of early afternoon with the wind direction mainly from the NW-NNW. The temperature has climbed above the normal high in the upper 50s by early afternoon, so today will be close to average or a little warmer after three very cold days for mid-April. With a dew point in the upper 20s this afternoon, the relative humidity has also dropped under 30%. Visibility remains moderate, climbing from 30 miles earlier to near 50 miles at the early afternoon observation. Today’s Observations: 7 A.M. Weather: Thin scattered cirrus, hazy Temperature: 41F; Dew Point: 31F; Wind: W at 10 kts. Sea-level pressure: 30.19 ins. Hg, falling slightly Visibility: 30 miles, hazy 6-hr max temp: 41F 6-hr min temp: 36F 24-hr precip: 0.0 BHO SA 1155 250 –SCT 30 225/41/31/2810/019/ HAZY/ 8/001 56002 10041 20036 10 A.M. Weather: Scattered cumulus, thin scattered cirrus, few cumulus fractus all quadrants Temperature: 55F; Dew Point: 34F; Wind: NNW at 12G21 kts, Sea-level pressure: 30.21 ins. Hg, rising Visibility: 35 miles, hazy BHO SA 1455 45 SCT 250 –SCT 35 230/55/34/3312G21/021/ FEW CUFRA ALQDS HAZY/ 8/101 53005 1 P.M. Weather: Scattered cumulus, few cirrus distant SE-SE, hazy Temperature: 60F; Dew Point: 28F; Wind: NW at 13G23 kts Sea-level pressure: 30.20 ins. Hg, decreasing, then increasing Visibility: 50 miles, hazy 6-hr max temp: 61F 6-hr min temp: 41F BHO SA 1755 45 SCT 50 226/60/28/3213G23/020/ FEW CI DSNT SE-SW HAZY/ 8/101 55004 10061 20041 WEATHER SUMMARY FOR FRIDAY, APRIL 18, 2014 TEMPERATURE (DEGREES F) MAX…..42    NORMAL…..57 MIN…..28    NORMAL…..39 MEAN….35    NORMAL…..48 DEPARTURE FROM 30-YEAR NORMAL……………………-13 TOTAL DEPARTURE FOR THE MONTH……………………+46 [+2.4 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..30  DEPARTURE………+13 TOTAL HEATING UNITS FOR THE MONTH………….325  DEPARTURE………-47 TOTAL HEATING UNITS FOR THE SEASON………..5952  DEPARTURE………+97 TOTAL HEATING UNITS LAST SEASON TO DATE……5361  DIFFERENCE…….+591 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………25 E   AT  7:42 A.M. AERO…………………..N/A ASOS…………………..25 ENE AT  6:59 A.M. DAVIS………………….24 NE  AT  7:18 A.M. RMY 25 FASTEST MILE FOR YESTERDAY………………..18 NE  AT  7:41 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..20 NE  AT  7:43 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….17 NE  AT  7:43 A.M. AVERAGE WIND SPEED AND DIRECTION………….9.5 ENE ASOS………………….8.7 DAVIS…………………7.8 ENE [69 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…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….2.86  DEPARTURE………….-0.08 ASOS…………..2.84 TOTAL PRECIPITATION FOR THE YEAR……….17.98  DEPARTURE………….+1.04 ASOS………….18.38 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…………..-0.1 TOTAL SNOWFALL FOR THE MONTH…………….0.8  DEPARTURE…………..-1.7 TOTAL SNOWFALL FOR THE SEASON…………..85.6  DEPARTURE………….+23.4 PRELIMINARY CLIMATE SUMMARY FOR APRIL 2014 CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO 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 4/1  48/31/40/-1/0.00/0.0/694/91          29 NNE AERO N/A        RMY N/A 4/2  56/34/45/+4/0.00/0.0/452/69          22 WSW AERO 20 MPH WSW RMY N/A 4/3  55/36/46/+4/0.00/0.0/707/92          23 NNW AERO 22 MPH NW  RMY 25 4/4  47/35/41/-1/0.31/0.0/255/33          26 ESE AERO N/A        RMY 25 4/5  51/33/42/-1/0.19/0.0/186/24          39 WNW AERO N/A        RMY 40 4/6  58/29/44/+1/0.00/0.0/755/97          25 W   AERO N/A        RMY N/A 4/7  59/44/52/+9/0.05/0.0/187/24          28 SSE AERO N/A        RMY N/A 4/8  62/41/52/+8/0.61/0.0/016/02          45 W   AERO N/A        RMY 44 4/9  60/36/48/+4/0.00/0.0/707/90          35 NW  AERO N/A        RMY 36 4/10 57/33/45/0/0.00/0.0/742/94           38 S   AERO N/A        RMY 39 4/11 70/45/58/+13/T/0.0/…/..            32 S   AERO N/A        RMY N/A 4/12 68/44/56/+11/0.00/0.0/…/..         28 W   AERO N/A        RMY 28 4/13 65/45/55/+10/0.04/0.0/…/..         35 S   AERO N/A        RMY N/A 4/14 73/55/64/+18/0.00/0.0/…/..         55 SW  AERO N/A        RMY 62 4/15 66/38/52/+5/…./0.0/000/00          62 S   AERO N/A        RMY 68 4/16 43/28/36/-11/…./…/…/..         39 NNW AERO N/A        RMY 39 4/17 39/29/34/-13/T/T/…/..              35 NE  AERO N/A        RMY 34 4/18 42/28/35/-13/0/0/…/..              25 E   AERO N/A        RMY 25 4/19 morning low temp: 35F; the normal low is now 39F DAILY RECORDS FOR APRIL 2014 4/14 – Minimum temperature of 55F EQUALS RECORD HIGH MINIMUM FOR THIS DATE SET IN 1909. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR APRIL 19 HIGH 94 IN 1976 [RECORD FOR MONTH] LOW 21 IN 1890 PRECIP 1.71 IN 1969 SNOWFALL 6.0 IN. IN 1887 PEAK GUST 66 MPH E IN 1984 RECORDS FOR APRIL 20 HIGH 88 IN 1927 LOW 18 IN 1897 PRECIP 1.14 IN 1972 SNOWFALL 2.5 IN. IN 1904, 1972 PEAK GUST 76 MPH WNW IN 1963 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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