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Friday, September 13, 2024

September 13, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA FRIDAY, SEPTEMBER 13, 2024 ALL TIMES ARE…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA FRIDAY, SEPTEMBER 13, 2024 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0523E SUNSET:  1756E UNSEASONABLY WARM WEATHER CONTINUES WITH PLENTY OF SUNSHINE TO START OFF THE WEEKEND… A high pressure system is keeping us warm and dry, which has been the pattern for the past several days. Mostly clear skies were seen through much of the day with a few cumulus clouds that appeared during the late morning and early afternoon. Temperatures continued to climb into the low 80s by noon today and so far the high temperature is 83F, which is much warmer than our expected temperatures for this time of year. Our record high for today is 91F, set in 1957. Along with the rising temperatures has come with an increase of the dew point, making for a more sticky feel to the air. The lower wind speeds have only emphasized the sticky feel. Winds were light today, mostly out of the west-southwest, and then by the early afternoon became variable with periods of calm wind. The average speed for the day so far is around 8mph, with most wind occurring in the overnight and early morning hours. The peak gust so far for the day is around 18mph, which occurred around 1:30am. Visibility was around 40 miles for most of the day, mostly due to the wildfire smoke layer that has been in our area for much of the week and with the addition of the rising dew points. The maximum temperature so far today is 83F, which is 9 degrees above the normal high of 74F. The minimum temperature since midnight is 59F, which is 2 degrees above the normal low of 57F. ————————————————————– Today’s Observations: 7 A.M. Weather: Scattered altocumulus NE-E-SSW Temperature: 61F; Dew Point: 58F; Relative Humidity: 89% Wind: WSW @ 6 kts, wind light Sea-level pressure: 1024.7 mb; 30.26 in. Hg: rising, then steady Visibility: 40 miles 6-hr Max temp: 61F 6-hr Min temp: 59F 24-hr Precip:  0.00 inches BHO SA 1155 250 SCT 40 247/61/58/2406/026/ SCT AC NE-E-SSW WND LGT/ 8/050 51002 10061 20059 10 A.M. Weather: Clear, few cumulus distant SSE-S, smoke layer aloft all quadrants Temperature: 74F; Dew Point: 60F; Relative Humidity: 62% Wind: WSW @ 4 kts, wind light and variable Sea-level pressure: 1024.7 mb; 30.26 in. Hg: rising, then falling Visibility: 40 miles 3-hr Precip: 0.00 inches BHO SA 1455 CLR 40 247/74/60/2304/026/ FEW CU DSNT SSE-S K LYR ALF ALQDS WND L/V/ 8/200 50000 1 P.M. Weather: Clear, few cumulus all quadrants, smoke layer aloft all quadrants Temperature: 83F; Dew Point: 61F; Relative Humidity: 48% Wind: W @ 2 kts, wind light and variable Sea-level pressure: 1023.1 mb; 30.21 in. Hg: falling, then more rapidly Visibility: 40 miles 6-hr Max temp: 83F 6-hr Min temp: 61F 6-hr Precip: 0.00 inches BHO SA 1755 CLR 40 231/83/61/2502/021/ FEW CU ALQDS K LYR ALF ALQDS WND L/V/ 8/200 58016 10083 20061 ————————————————————– SUMMARY FOR THURSDAY, SEPTEMBER 12, 2024 TEMPERATURE (DEGREES F) MAX…….82  NORMAL…..74 MIN…….58  NORMAL…..57 MEAN……70  NORMAL…..66 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..+4 TOTAL DEPARTURE FOR THE MONTH……………………..-9 [-0.6 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2024 THRU JUN 2025) TOTAL HEATING UNITS FOR YESTERDAY…………….0  DEPARTURE……..-2 TOTAL HEATING UNITS FOR THE MONTH……………10  DEPARTURE……..-8 TOTAL HEATING UNITS FOR THE SEASON…………..21  DEPARTURE…….-15 TOTAL HEATING UNITS LAST SEASON TO DATE……….3  DEPARTURE…….+18 COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024) TOTAL COOLING UNITS FOR YESTERDAY…………….5  DEPARTURE……..+2 TOTAL COOLING UNITS FOR THE MONTH……………30  DEPARTURE…….-16 TOTAL COOLING UNITS FOR THE SEASON………….724  DEPARTURE…….+82 TOTAL COOLING UNITS LAST SEASON TO DATE……..683  DEPARTURE…….+41 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 S    @   02:15 P.M. VECTOR #1 (1-Sec)……….20 S    @   02:15 P.M. VECTOR #2 (1-Sec)……….23 S    @   02:15 P.M. DAVIS #1……………….22 S    @   05:02 P.M. DAVIS #2 ………………31 S    @   02:15 P.M. RMY #1 (Instantaneous)…..20 SSW  @   05:02 P.M. RMY #2 (Instantaneous)…..24 S    @   02:15 P.M. MERLIN…………………18 S RICHARDS (C5C) (Inst)…..OTS FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL………………14 SSW  @   05:25 P.M. MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..14      @   05:25 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..15      @   05:24 P.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………13 SSW  @   05:24 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………15 S    @   03:59 P.M. MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..14 SSW  @   05:24 P.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..16 SSW  @   05:24 P.M. MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS AVERAGE WIND SPEED AND DIRECTION: CONTACTING/OFFICIAL……..8.3 SSW [199 total miles] VECTOR #1………………8.7 VECTOR #2………………9.0 DAVIS #1……………….8.4 SW DAVIS #2……………….8.9 SW RMY #1…………………8.6 SW RMY #2…………………9.1 SW RICHARDS (C5C)………….OTS PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.00 DEPARTURE…..-0.13 TOTAL PRECIPITATION FOR THE MONTH…………..0.04 DEPARTURE…..-1.40 TOTAL PRECIPITATION FOR THE YEAR (2024)…….41.25 DEPARTURE…..+5.20 ————————————————————– PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 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 9/1   82/67/75/+6/T/244/31                28 SSW VEC1 27 SW  RMY 28 9/2   79/56/68/-1/0.00/644/82             31 NNW VEC1 31 NNW RMY 32 9/3   74/49/62/-6/0.00/766/98             23 NW  VEC1 23 NNW RMY 23 9/4   80/56/68/0/0.00/732/94              18 ESE VEC1 19 SE  RMY 18 9/5   77/58/68/0/0.00/737/95              20 ESE VEC1 19 ESE RMY 19 9/6   73/58/66/-2/0.00/240/31             22 E   VEC1 21 ENE RMY 23 9/7   77/56/67/0/0.04/301/39              34 WNW VEC1 31 WNW RMY 33 9/8   70/50/60/-7/0.00/753/98             35 W   VEC1 35 W   RMY 34 9/9   75/51/63/-4/0.00/727/95             31 WNW VEC1 28 WNW RMY 30 9/10  78/56/67/+1/0.00/717/94             21 NW  VEC1 20 SW  RMY 21 9/11  78/53/66/0/0.00/714/94              20 S   VEC1 19 S   RMY 18 9/12  82/58/70/+4/0.00/…/..             20 S   VEC1 19 S   RMY 20 9/13  The low since midnight is 59F, the daily normal low is 57F. ————————————————————– SEPTEMBER DAILY RECORDS TO DATE NONE. ————————————————————– DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR SEPTEMBER 13 HIGH 91F IN 1957 LOW 40F IN 1985 PRECIP 3.10 INCHES IN 1987 PEAK GUST 44 MPH WNW IN 1986 RECORDS FOR SEPTEMBER 14 HIGH 90F IN 1931 LOW 34F IN 1911 PRECIP 2.90 INCHES IN 1944 (Great Atlantic Hurricane in 1944) PEAK GUST 96e MPH E IN 1944 (Great Atlantic Hurricane in 1944) TODAY’S REPORT PREPARED BY: Amanda Joly
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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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