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Wednesday, November 27, 2024

November 27, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, NOVEMBER 27, 2024 ALL TIMES ARE…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, NOVEMBER 27, 2024 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0650E SUNSET:  1614E A MIX OF SUN AND CLOUDS TODAY WITH SEASONABLE TEMPERATURES…. It’s not a bad day weatherwise, which is always a good thing on the day before Thanksgiving. A mix of sun and clouds has been the theme all day after a rather frosty start early this morning. Temperatures started the day in the low 30s, but have recovered nicely into the upper 40s early this afternoon. The dew point has been fairly steady in the low to mid 30s most of the day. Winds aren’t as busy as yesterday, but still a bit brisk today out of the west. The average speed for the day so far is around 13mph. The peak gust so far is 25mph, occurring at 11:17am. The visibility has been holding at around 50-60 miles all day. The maximum temperature for today is 49F degrees, which is 3 degrees above the normal high of 46F. The minimum temperature since midnight is 33F degrees, which is 3 degrees above the normal low of 30F. ————————————————————– Today’s Observations: 7 A.M. Weather: Broken Cirrostratus, broken cirrus Temperature: 34F; Dew Point: 30F; Relative Humidity: 83% Wind: W @ 12G17 kts Sea-level pressure: 1015.0 mb; 29.97 in. Hg: rising unsteadily Visibility: 50 miles 6-hr Max temp: 35F 6-hr Min temp: 33F 24-hr Precip:  0.37 inches 24-hr Snowfall: 0.0 inches Snow Depth: 0 inches BHO SA 1155 E200 BKN 250 BKN 50 150/34/30/2612G17/997/ 8/006 52009 70037 10035 20033 10 A.M. Weather: Thin scattered cirrus, few altocumulus/castellanus distant NW-N Temperature: 43F; Dew Point: 34F; Relative Humidity: 68% Wind: W @ 9G16 kts Sea-level pressure: 1015.3 mb; 29.98 in. Hg: rising, then falling Visibility: 50 miles 3-hr Precip:  0.00 inches 3-hr Snowfall: 0.0 inches BHO SA 1455 250 -SCT 50 153/43/34/2709G16/998/ FEW AC/ACC DSNT NW-N/ 8/081 50003 1 P.M. Weather: Scattered stratocumulus, scattered cirrus Temperature: 48F; Dew Point: 35F; Relative Humidity: 59% Wind: WNW @ 8G14 kts Sea-level pressure: 1014.5 mb; 29.96 in. Hg: rising, then falling Visibility: 60 miles 6-hr Max temp: 49F 6-hr Min temp: 34F 6-hr Precip:  0.00 inches 6-hr Snowfall: 0.0 inches Snow Depth: 0 inches BHO SA 1755 40 SCT 250 SCT 60 145/48/35/2908G14/996/ 8/504 58008 10049 20034 ————————————————————– SUMMARY FOR TUESDAY, NOVEMBER 26, 2024 TEMPERATURE (DEGREES F) MAX…….44  NORMAL…..46 MIN…….35  NORMAL…..31 MEAN……40  NORMAL…..38 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………..+2 TOTAL DEPARTURE FOR THE MONTH……………………+125 [+4.6 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2024 THRU JUN 2025) TOTAL HEATING UNITS FOR YESTERDAY……………25  DEPARTURE……..-2 TOTAL HEATING UNITS FOR THE MONTH…………..463  DEPARTURE……-120 TOTAL HEATING UNITS FOR THE SEASON………….836  DEPARTURE……-258 TOTAL HEATING UNITS LAST SEASON TO DATE……..969  DEPARTURE……-133 COOLING DEGREE DAYS (SEASON: JAN 2024 THRU DEC 2024) TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE………0 TOTAL COOLING UNITS FOR THE MONTH…………….5  DEPARTURE……..+5 TOTAL COOLING UNITS FOR THE SEASON………….768  DEPARTURE…….+91 TOTAL COOLING UNITS LAST SEASON TO DATE……..715  DEPARTURE…….+53 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)………..28 WNW  @   10:15 P.M. VECTOR #1 (1-Sec)……….29 NW   @   03:33 P.M. VECTOR #2 (1-Sec)……….27 W    @   10:28 P.M. DAVIS #1……………….27 WNW  @   10:15 P.M. DAVIS #2 ………………26 WNW  @   10:28 P.M. RMY #1 (Instantaneous)…..28 NW   @   03:33 P.M. RMY #2 (Instantaneous)…..30 W    @   10:28 P.M. MERLIN…………………25 NW RICHARDS (C5C) (Inst)…..OTS FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL………………21 WNW  @   11:34 P.M. MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..19      @   12:14 P.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..21      @   12:28 P.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………19 NW   @   03:35 P.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………21 ESE  @   12:28 P.M. MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..19 ESE  @   12:14 P.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..21 ESE  @   12:28 P.M. MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE……..OTS AVERAGE WIND SPEED AND DIRECTION: CONTACTING/OFFICIAL……..10.5 NW [251 total miles] VECTOR #1………………10.6 VECTOR #2………………11.5 DAVIS #1……………….10.7 NW DAVIS #2……………….11.1 N RMY #1…………………10.4 NNE RMY #2…………………11.4 NNE RICHARDS (C5C)…………..OTS PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.37 DEPARTURE…..+0.22 TOTAL PRECIPITATION FOR THE MONTH…………..2.98 DEPARTURE…..-0.71 TOTAL PRECIPITATION FOR THE YEAR (2024)…….46.78 DEPARTURE…..-1.07 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.1 TOTAL SNOWFALL FOR THE MONTH………………..0.0 DEPARTURE……-1.3 TOTAL SNOWFALL FOR THE SEASON (2024-2025)…….0.0 DEPARTURE……-2.0 ————————————————————– PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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 11/1   77/49/63/+16/0.00/0.0/347/56       36 WNW VEC1 36 WNW RMY 37 11/2   55/37/46/-1/0.00/0.0/228/37        21 N   VEC1 23 N   RMY 21 11/3   48/30/39/-7/0.00/0.0/595/97        20 NNW VEC1 21 NNW RMY 21 11/4   49/33/41/-5/0.00/0.0/061/10        20 SSE VEC1 21 SSE RMY 21 11/5   73/46/60/+15/0.00/0.0/505/83       35 SW  VEC1 35 SW  RMY 37 11/6   80/59/70/+25/0.00/0.0/558/92       39 WSW VEC1 39 WSW RMY 42 11/7   69/47/58/+13/0.00/0.0/519/86       37 WNW VEC1 35 WNW RMY 42 11/8   63/41/52/+7/0.00/0.0/572/95        42 WNW VEC1 42 WNW RMY 47 11/9   50/36/43/-1/0.00/0.0/599/100       40 NW  VEC1 42 NW  RMY 43 11/10  60/32/46/+2/T/0.0/388/65           29 WSW VEC1 29 SW  RMY 31 11/11  66/50/58/+15/0.08/0.0/457/77       40 SW  VEC1 42 SW  RMY 43 11/12  54/33/44/+1/0.00/0.0/545/92        48 NNW VEC1 50 NNW RMY 56 11/13  43/28/36/-7/0.00/0.0/584/99        32 N   VEC1 33 N   RMY 31 11/14  42/27/35/-7/0.00/0.0/542/92        22 NE  VEC1 22 NE  RMY 22 11/15  58/27/43/+1/0.00/0.0/580/99        28 NW  VEC1 28 NW  RMY 30 11/16  60/38/49/+7/0.00/0.0/572/98        33 NNW VEC1 35 NNW RMY 35 11/17  62/40/51/+10/0.00/0.0/553/95       26 NW  VEC1 26 NW  RMY 26 11/18  61/43/52/+11/T/0.0/418/72          29 NW  VEC1 28 NW  RMY 31 11/19  56/39/48/+7/0.00/0.0/565/98        29 NW  VEC1 29 NW  RMY 30 11/20  52/36/44/+4/T/0.0/564/98           21 E   VEC1 21 E   RMY 21 11/21  44/43/44/+4/1.27/0.0/000/00        51 ENE VEC1 50 ENE RMY 52 11/22  52/40/46/+6/0.55/0.0/…/..        44 E   VEC1 47 E   RMY 45 11/23  44/38/41/+2/0.71/0.0/…/..        46 NW  VEC1 45 NW  RMY 49 11/24  48/35/42/+3/0.00/0.0/…/..        52 WNW VEC1 53 WNW RMY 53 11/25  49/32/41/+2/0.00/0.0/…/..        33 WNW VEC1 34 WNW RMY 34 11/26  44/35/40/+2/0.37/0.0/…/..        28 WNW VEC1 29 NW  RMY 28 11/27 The low since midnight is 33F, the daily normal low is 30F. ————————————————————– NOVEMBER DAILY RECORDS TO DATE 11/1 RECORD HIGH TEMPERATURE OF 77F, OLD RECORD WAS 75F IN 2003. 11/6 RECORD HIGH TEMPERATURE OF 80F, OLD RECORD WAS 74F IN 2022. ————————————————————– DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR NOVEMBER 27 HIGH 68 IN 1896 LOW 5 IN 1932 PRECIP 2.23 INS IN 2013 SNOWFALL 16.0 INS IN 1898 PEAK GUST 68 NW IN 1997 RECORDS FOR NOVEMBER 28 HIGH 70 IN 1990 LOW 10 IN 1901,1930,1936 PRECIP 1.84 INCHES IN 1889 SNOWFALL 3.0 INS IN 1917 PEAK GUST 90 SSW IN 1958 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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