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Friday, August 9, 2024

August 9, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA FRIDAY, AUGUST 9, 2024 ALL TIMES ARE…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA FRIDAY, AUGUST 9, 2024 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0446E SUNSET:  1853E TROPICAL AIR MASS RETURNS AHEAD OF THE REMNANTS OF T.S. DEBBY…. Dense fog was the theme early this morning along with scattered showers as a warm front approached the area. The front passed through during the mid morning hours taking the dense fog with it. Mainly cloudy skies has remained however with a few peeks of sun here and there. Scattered tropical showers continue to pass over the Hill at times. 0.12″ of rain was measured between last evening and 7am this morning, with an additional 0.09″ being measured between 7am and 1pm today. Both the temperature and dew point rose steadily during the morning leading up to the warm frontal passage. Once the front was through, the dew point shot into the mid 70s, heralding the arrival of the tropical air mass. Temperature readings have reached the low 80s late this morning and early this afternoon. Winds have increased markedly following the frontal passage with the average speed increasing from around 8-9mph this morning to around 20mph for the last couple of hours. The overall average for the day to this point is around 11mph. Gusts early this afternoon have been exceeding 40mph, with a peak gust so far of 45mph occurring around 12:40pm. Visibility was quite limited early this morning in the dense fog. The view was only around 1/16th of a mile. It has improved markedly following the lifting of the fog, but it’s still limited to only around 20 miles with hazy conditions thanks to the high humidity levels. The maximum temperature so far today is 82F, which is 1 degree above the normal high of 81F. The minimum temperature since midnight is 62F, which is 2 degrees below the normal low of 64F. ————————————————————– Today’s Observations: 7 A.M. Weather: Sky obscured, vertical visibility 100ft Temperature: 68F; Dew Point: 68F; Relative Humidity: 100% Wind: SSE @ 8 kts Sea-level pressure: 1018.9 mb; 30.09 in. Hg: falling, then more rapidly Visibility: 1/16 mile, fog 6-hr Max temp: 68F 6-hr Min temp: 62F 24-hr Precip:  0.12 inches BHO SA 1155 X W1 1/16F 189/68/68/1508/009/ RW-B15E18/ 8//// 58008 6003/ 70012 10068 20062 10 A.M. Weather: Overcast stratus, few breaks in overcast all quadrants, higher clouds visible OVHD-SE, few lower stratus fractus all quadrants Temperature: 76F; Dew Point: 76F; Relative Humidity: 99% Wind: S @ 11G17 kts Sea-level pressure: 1018.0 mb; 30.06 in. Hg: rising, then falling Visibility: 7 miles, 4 miles SW-NNW, 10 miles ESE-SSW, thin fog 3-hr Precip: 0.01 inches BHO SA 1455 E2 OVC 7 180/76/76/1911G17/006/ FEW BINOVC ALQDS HIER CLDS VSBL OVHD-SE FEW LWR STFRA ALQDS F SW-NNW THN F N-E-SSW SUN OCNLY DMLY RW-E03 VSBL VSBY 4 SW-NNW 10 ESE-SSW/ 8/7// 58009 6001/ 1 P.M. Weather: Scattered cumulus, scattered altocumulus, broken cirrostratus, thin broken cirrus, towering cumulus all quadrants, virga distant all quadrants Temperature: 81F; Dew Point: 74F; Relative Humidity: 79% Wind: S @ 20G35 kts, peak wind S 45 mph at 12:41 P.M. Sea-level pressure: 1015.4 mb; 29.98 in. Hg: falling, then more slowly Visibility: 20 miles, hazy 6-hr Max temp: 82F 6-hr Min temp: 68F 6-hr Precip: 0.09 inches BHO SA 1755 30 SCT 70 SCT 180 BKN 250 -BKN 20 154/81/74/1920G35/998/ TCU ALQDS VIRGA DSNT ALQDS RW-E13B24E36 HAZY PK WND 1939/41/ 8/276 56026 6009/ 10082 20068 ————————————————————– SUMMARY FOR THURSDAY, AUGUST 8, 2024 TEMPERATURE (DEGREES F) MAX…….72  NORMAL…..81 MIN…….58  NORMAL…..64 MEAN……65  NORMAL…..72 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..-7 TOTAL DEPARTURE FOR THE MONTH…………………….+18 [+2.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2024 THRU JUN 2025) TOTAL HEATING UNITS FOR YESTERDAY…………….0  DEPARTURE………0 TOTAL HEATING UNITS FOR THE MONTH…………….2  DEPARTURE………0 TOTAL HEATING UNITS FOR THE SEASON……………2  DEPARTURE……..-7 TOTAL HEATING UNITS LAST SEASON TO DATE……….0  DEPARTURE……..+2 COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024) TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE……..-8 TOTAL COOLING UNITS FOR THE MONTH……………83  DEPARTURE…….+20 TOTAL COOLING UNITS FOR THE SEASON………….580  DEPARTURE……+131 TOTAL COOLING UNITS LAST SEASON TO DATE……..463  DEPARTURE……+117 PEAK WIND GUST (MPH): Note: Instruments designated #1 = Main Tower, #2 = South Tower, F420C, Contacting, Merlin, and Richards are all on Main Tower. E=Estimated F420C (Official)……….E20 ESE  @   12:08 P.M. VECTOR #1 (1-Sec)……….20 ESE  @   12:08 P.M. VECTOR #2 (1-Sec)……….19 ESE  @   02:17 P.M. DAVIS #1……………….18 E    @   11:16 A.M. DAVIS #2 ………………18 SE   @   11:20 A.M. RMY #1 (Instantaneous)…..19 ESE  @   12:08 P.M. RMY #2 (Instantaneous)…..21 ESE  @   01:58 P.M. MERLIN…………………17 ESE RICHARDS (C5C) (Inst)…..OTS FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL………………13 ESE  @   02:23 P.M. MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..14      @   12:00 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..14      @   11:20 A.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………14 ESE  @   12:10 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………13 ESE  @   11:20 A.M. MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..14 ESE  @   12:10 P.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..13 ESE  @   11:20 A.M. MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS AVERAGE WIND SPEED AND DIRECTION: CONTACTING/OFFICIAL…….7.6 E [182 total miles] VECTOR #1……………..7.7 VECTOR #2……………..8.0 DAVIS #1………………8.3 ESE DAVIS #2………………7.8 ESE RMY #1………………..7.9 E RMY #2………………..7.9 E RICHARDS (C5C)…………OTS PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.12 DEPARTURE…..-0.01 TOTAL PRECIPITATION FOR THE MONTH…………..1.07 DEPARTURE…..+0.01 TOTAL PRECIPITATION FOR THE YEAR (2024)…….39.32 DEPARTURE…..+7.56 ————————————————————– PRELIMINARY CLIMATE SUMMARY FOR AUGUST CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN)/SUN(%)/PEAK GUST/VEC1/RMY GUST PEAK GUST: F420C (Official) VEC1: Vector #1 1-second gust RMY:  R.M. Young #1 wind gust recording system (Instantaneous) TSTM: Thunderstorm day (thunder heard some time during day) ….: Data not yet available, records not finalized M:    Missing data 8/1   92/71/82/+9/T/779/90                24 W   VEC1 24 W   RMY 23 8/2   94/73/84/+11/0.01/579/67            31 SSW VEC1 31 SSW RMY 30 TSTM 8/3   92/75/84/+11/0.00/612/71            29 W   VEC1 28 W   RMY 28 8/4   85/68/77/+4/0.20/318/37             29 WSW VEC1 29 WSW RMY 31 TSTM 8/5   90/67/79/+6/T/686/80                28 SSW VEC1 28 SSW RMY 29 8/6   73/60/67/-6/0.56/009/01             26 ENE VEC1 26 ENE RMY 26 8/7   69/57/63/-10/0.18/119/14            25 NE  VEC1 23 NE  RMY 23 8/8   72/58/65/-7/0.09/187/22             20 ESE VEC1 20 ESE RMY 19 8/9  The low since midnight is 62F, the daily normal low is 64F. ————————————————————– AUGUST DAILY RECORDS TO DATE 8/3  RECORD HIGH MINIMUM TEMPERATURE OF 75F, TIED THE PREVIOUS RECORD SET IN 2020 ————————————————————– DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR AUGUST 9 HIGH 100F IN 1949 LOW 49F IN 1899 PRE 2.65 INS IN 1976 PEAK GUST 90 MPH SW IN 1968 RECORDS FOR AUGUST 10 HIGH 101F IN 1949 [STATION RECORD MAXIMUM – Tied with 8/2/1975] LOW 49F IN 1964 PRE 2.27 INS IN 1952 PEAK GUST 88e MPH S IN 1976 TODAY’S REPORT PREPARED BY: Matt Douglas
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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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