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Saturday, June 8, 2019

June 8, 2019

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

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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, JUNE 8, 2019 ALL TIMES ARE IN EASTERN STANDARD TIME SEASONABLE AND HAZY WITH WINDS DYING DOWN IN THE AFTERNOON…. We observed a distant haze that became more significant since this morning, bringing visibility from 50 miles to 30 miles by 1 P.M. Wind became lighter throughout the day, with an average speed of 5 mph following noontime. Relative humidity decreased from 60% this morning to 35%, following the drying trend observed yesterday. The high so far today is 74F, a degree above the normal of 73F. The low since midnight is 58F, 3 degrees above the daily normal minimum of 55F. PRELIMINARY STATS FOR MAY 2019 TEMPERATURE, Deg. F Avg. Max. 63.5 [-2.8] Avg. Min. 46.0 [-1.8] Mean      54.8 [-2.2] 24-hour corrected mean: 54.4 Max. for month: 85F on the 26th Min. for month: 36F on the 12th HEATING DEGREE DAYS Total heating units:    318 [+50] Total for the season:  6219 [-84] Total for last season: 5847 COOLING DEGREE DAYS Total cooling units:   8 [-14] Total for the season:  8 [-16] Total for last season: 62 PRECIPITATION, Inches Total: 4.71 [+0.08] Greatest in 24 hrs: N/A SNOWFALL, Inches Total: Trace [+/-0.0] Greatest in 24 hrs: Trace [12th] WIND, mph Avg. uncorrected wind speed: 10.5 Avg. corrected wind speed: 11.1 Prevailing wind direction: S at 13% Peak gust and direction: 47 NW on 24th SUNSHINE: Campbell-Stokes card minutes: N/A Astronomical total minutes:   N/A Today’s Observations: 7 A.M. Weather: Clear, few cirrostratus Temperature: 63F; Dew Point: 49F; Wind: NE at 10G16 kts Sea-level pressure: 30.16 ins. Hg, rising steadily Visibility: 50 miles, distant haze 6-hr Max temp: 63F 6-hr Min temp: 58F 24-hr Precip: 0.00 ins. 24-hr snowfall: 0.0 ins. Snow depth: 0 ins. BHO SA 1155 CLR 50 212/63/49/0510G16/016/ FEW CS DSNT HZ ALQDS/ 8/005 51028 10063 20058 10 A.M. Weather: Scattered cirrostratus Temperature: 69F; Dew Point: 46F; Wind: E at 11G18 kts Sea-level pressure: 30.19 ins. Hg, steady, then rising Visibility: 40 miles, distant haze 3-hr Precip: 0.00 ins. BHO SA 1155 250 SCT 40 222/69/46/0811G18/019/ DSNT HZ ALQDS/ 8/005 51010 1 P.M. Weather: Scattered cirrus Temperature: 74F; Dew Point: 46F; Wind: E at 4 kts, Wind: Light and variable Sea-level pressure: 30.19 ins. Hg, steady Visibility: 30 miles, distant haze 6-hr Max temp: 74F 6-hr Min temp: 63F 6-hr Precip: 0.00 ins. BHO SA 1455 250 SCT 30 222/74/46/0804/019/ DSNT HZ ALQDS WND L/V/ 8/002 50000 10074 20063 SUMMARY FOR FRIDAY, JUNE 7, 2019 TEMPERATURE (DEGREES F) MAX…..80   NORMAL…..73 MIN…..59   NORMAL…..55 MEAN….70   NORMAL…..64 DEPARTURE FROM 30-YEAR NORMAL………………….+6 TOTAL DEPARTURE FOR THE MONTH…………………+13 [+1.7 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY……………0   DEPARTURE………-4 TOTAL HEATING UNITS FOR THE MONTH…………..13   DEPARTURE……..-17 TOTAL HEATING UNITS FOR THE SEASON………..6232   DEPARTURE…….-101 TOTAL HEATING UNITS LAST SEASON TO DATE……5897   DIFFERENCE……+335 COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY……………5   DEPARTURE………+3 TOTAL COOLING UNITS FOR THE MONTH…………..13   DEPARTURE………-1 TOTAL COOLING UNITS FOR THE SEASON………….21   DEPARTURE……..-17 TOTAL COOLING UNITS LAST SEASON TO DATE……..69   DEPARTURE……..-48 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………..23 S   AT  6:41 P.M. AERO…………………….23 S   AT  7:41 P.M. ASOS…………………….23 S   AT  7:56 P.M. DAVIS……………………23 S   AT  7:31 P.M.  RMY 22 FASTEST MILE FOR YESTERDAY………………….17 S   AT  7:31 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………….17 S   AT  7:31 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE………………17 S   AT  7:31 P.M. AVERAGE WIND SPEED AND DIRECTION…………….8.9 S ASOS…………………….8.9 DAVIS……………………8.9 SSE [159 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE…….-0.16 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….0.13  DEPARTURE…….-1.03 ASOS…………..0.13 TOTAL PRECIPITATION FOR THE YEAR……….26.02  DEPARTURE…….+2.20 ASOS………….25.86 PRELIMINARY CLIMATE SUMMARY FOR MAY 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 05/01 57/40/49/-4/0.00/0.0/…/..           21 S   AERO 21 SSE  RMY 21 05/02 45/41/43/-10/0.02/0.0/…/..          21 NE  AERO 21 SSW  RMY 20 05/03 60/43/52/-1/…./0.0/…/..           23 S   AERO 23 S    RMY 22 05/04 54/46/50/-4/…./0.0/…/..           14 ENE AERO 14 ENE  RMY 17 05/05 52/44/48/-6/0.00/0.0/…/..           18 NE  AERO 20 NE   RMY N/A 05/06 58/44/51/-3/…./0.0/…/..           25 NE  AERO 26 ENE  RMY 24 05/07 72/41/57/+2/0.12/0.0/…/..           30 S   AERO 29 S    RMY 30 05/08 67/48/58/+3/0.00/0.0/…/..           20 NE  AERO 20 NE   RMY 19 05/09 60/43/52/-3/0.00/0.0/…/..           21 SE  AERO 21 E    RMY 22 05/10 61/46/54/-1/0.16/0.0/…/..           35 S   AERO 37 S    RMY 37 05/11 68/50/59/+3/…./…/…/..           26 NW  AERO M  M    RMY N/A 05/12 50/36/43/-13/0.68/T/…/..          30 ENE AERO M  M    RMY N/A 05/13 52/38/45/-11/…./…/…/..          35 E   AERO M  M    RMY 34 05/14 44/38/41/-16/…./…/…/..          26 NNE AERO M  M    RMY 25 05/15 58/40/49/-8/…./…/…/..           28 NW  AERO M  M    RMY 28 05/16 68/46/57/0/…./…/…/..            17 NW  AERO M  M    RMY 19 05/17 64/49/57/0/…./…/…/..            22 WNW AERO 21 WNW  RMY 25 05/18 72/49/61/+3/…./…/…/..           26 SSE AERO 25 SSE  RMY 29 05/19 69/50/60/+2/…./…/…/..           39 S   AERO 43 SSE  RMY 42 05/20 85/52/69/11/…./…/…/..           35 SW  AERO 40 SW   RMY 39 05/21 69/52/61/+2/0.00/…/…/..           40 NW  AERO 46 NW   RMY 45 05/22 68/49/59/0/0.00/…/…/..            32 NNW AERO 29 NW   RMY N/A 05/23 68/48/58/-1/…./…/…/..          36 SSW AERO 37 SSW  RMY 40 05/24 68/47/58/-1/…./…/…/..           47 NW  AERO 47 NW   RMY 51 05/25 75/47/61/+1/…./…/…/..           M  M   AERO 35 SSW  RMY 39 05/26 85/49/67/+7/…./0.0/…/..           40 W   AERO 38 W    RMY 39 05/27 76/57/67/+7/…./0.0/…/..           30 NE  AERO 22 NE   RMY 27 05/28 57/48/53/-8/…./0.0/…/..           26 E   AERO 22 ESE  RMY 25 05/29 51/45/48/-13/…./0.0/…/..          21 NNW AERO 21 NNW  RMY N/A 05/30 63/46/55/-6/…./0.0/…/..           23 S   AERO 23 S    RMY 25 05/31 72/54/63/2/…./0.0/…/..            28 N   AERO 23 N    RMY 26 PRELIMINARY CLIMATE SUMMARY FOR JUNE CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/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 06/01 71/54/63/+1/0.00/…/..               21 E   AERO 20 E   RMY 18 06/02 75/51/63/+1/…./…/..               23 S   AERO 21 S   RMY N/A 06/03 69/50/60/-2/…./…/..               41 W   AERO 39 W   RMY 43 06/04 70/45/58/-5/0.00/…/..               29 W   AERO 23 W   RMY N/A 06/05 81/57/69/+6/…./…/..               33 SSW AERO 33 SSW RMY N/A 06/06 75/62/69/+6/…./…/..    28 SSW AERO 28 SSW RMY N/A 06/07 80/59/70/+6/0.00/…/..               23 S   AERO 23 S   RMY 22 06/08 Low temp since midnight is 58F; normal low is 55F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR JUNE 8 HIGH 94F IN 1984 LOW 37F IN 1932 PRECIP 1.53 INS IN 1947 PEAK GUST 86e MPH WNW IN 1946 [Record for month] RECORDS FOR JUNE 9 HIGH 94F IN 2008 LOW 40F IN 1980 PRECIP 2.08 INCHES IN 1931 PEAK GUST 67 MPH NW IN 1973 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
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