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Saturday, February 24, 2024

February 24, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, FEBRUARY 24, 2024 ALL TIMES ARE…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, FEBRUARY 24, 2024 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0628E SUNSET:  1727E MORNING OVERCAST GIVES WAY TO SOME AFTERNOON SUNSHINE… We began the morning with a low overcast, which finally broke right around noontime. Steady winds from the northwest have brought along a colder and drier air mass, meaning our temperatures have remained on the cooler side despite occasional afternoon sun. Temperatures this morning began in the mid 30s, and have hovered between the mid and upper 30s throughout the day. The dew point has fallen as the day has progressed, from the mid 30s to the low 20s. Winds have been steady since early this morning, with our average now at 11mph. The prevailing direction is from the north-northwest. Our peak gust thus far is around 29mph, taking place just after 11am. Visibility was poorer at the first observation when there was more moisture in the air. At that time, thin fog limited views to 30 miles. Since then, visibility has vastly improved to 80 miles as the dryer air moves in and the low clouds move out. The maximum temperature so far today is 37F degrees, which is 2 degrees below the normal high of 39F. The minimum temperature since midnight is 33F degrees, which is 12 degrees above the normal low of 21F. ————————————————————– Today’s Observations: 7 A.M. Weather: Overcast stratocumulus, few breaks in overcast distant all quadrants, higher clouds visible all quadrants Temperature: 34F; Dew Point: 34F; Relative Humidity: 98% Wind: NNW @ 10G15 kts Sea-level pressure: 998.7 mb; 29.49 in. Hg: rising unsteadily Visibility: 30 miles, thin fog 6-hr Max temp: 36F 6-hr Min temp: 34F 24-hr Precip: 0.01 ins 24-hr Snowfall: 0.0 ins Snow Depth: 0 ins BHO SA 1155 E40 OVC 30 987/34/34/3410G15/949/ FEW BINOVC DSNT ALQDS HIER CLDS VSBL ALQDS THN F ALQDS/ 8/5// 52016 70001 10036 20034 10 A.M. Weather: Overcast stratocumulus Temperature: 35F; Dew Point: 31F; Relative Humidity: 85% Wind: NNW @ 8 kts Sea-level pressure: 1001.9 mb; 29.59 in. Hg: rising, then more slowly Visibility: 70 miles, visibility lower ENE-SSE, thin fog NE-S 3-hr Precip:  0.00 ins 3-hr Snowfall: 0.0 ins BHO SA 1455 E20 OVC 70 019/35/31/3308/959/ VSBY LWR ENE-SSE THN F NE-S/ 8/5// 51032 1 P.M. Weather: Scattered stratocumulus, broken altocumulus/altostratus, thin broken cirrus Temperature: 36F; Dew Point: 23F; Relative Humidity: 60% Wind: NW @ 13G19 kts Sea-level pressure: 1002.7 mb; 29.61 in. Hg: rising, then more rapidly Visibility: 80 miles, visibility lower ESE-S, thin fog E-S 6-hr Max temp: 37F 6-hr Min temp: 33F 6-hr Precip:  0.00 ins 6-hr Snowfall: 0.0 ins Snow Depth: 0 ins BHO SA 1755 50 SCT E180 BKN 250 -BKN 80 027/36/23/3213G19/961/ VSBY LWR ESE-S THN F E-S/ 8/571 53008 10037 20033 ————————————————————– SUMMARY FOR FRIDAY, FEBRUARY 23, 2024 TEMPERATURE (DEGREES F) MAX…….41   NORMAL…..39 MIN…….33   NORMAL…..21 MEAN……37   NORMAL…..30 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………+7 TOTAL DEPARTURE FOR THE MONTH………………….+114 [+4.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024) TOTAL HEATING UNITS FOR YESTERDAY……………28  DEPARTURE……..-7 TOTAL HEATING UNITS FOR THE MONTH…………..743  DEPARTURE……-114 TOTAL HEATING UNITS FOR THE SEASON…………3709  DEPARTURE……-551 TOTAL HEATING UNITS LAST SEASON TO DATE…….3518  DEPARTURE……+191 PEAK WIND GUST (MPH): Note: Instruments designated #1 = Main Tower, #2 = South Tower, F420C, Contacting, Merlin, and Richards are all Main Tower. E=Estimated F420C (Official)……….E25 SSW  @  12:49 A.M. VECTOR #1 (1-Sec)……….26 SSW  @  12:49 A.M. VECTOR #2 (1-Sec)……….27 SSW  @  12:49 A.M. DAVIS #1……………….28 S    @  12:49 A.M. DAVIS #2 ………………29 S    @  04:21 A.M. RMY #1 (Instantaneous)…..27 SSW  @  12:49 A.M. RMY #2 (Instantaneous)…..28 SSW  @  12:49 A.M. MERLIN………………….M RICHARDS (C5C) (Inst)……26      @  12:31 A.M. FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL………………19 SSW  @  12:33 A.M. MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..19      @  12:33 A.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..19      @  12:46 A.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………19 S    @  12:09 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………21 S    @  04:09 A.M. MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..19 SSW  @  12:46 A.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..20 SSW  @  12:46 A.M. MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………19      @  12:46 A.M. AVERAGE WIND SPEED AND DIRECTION: CONTACTING/OFFICIAL…….6.5 S [155 total miles] VECTOR #1……………..7.2 VECTOR #2……………..7.3 DAVIS #1………………6.5 S DAVIS #2………………6.4 S RMY #1………………..6.9 NNE RMY #2………………..7.3 NNE RICHARDS (C5C)…………7.4 PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.01 DEPARTURE…..-0.14 TOTAL PRECIPITATION FOR THE MONTH…………..0.80 DEPARTURE…..-2.41 TOTAL PRECIPITATION FOR THE YEAR (2024)…….10.04 DEPARTURE…..+2.33 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………..0.0 DEPARTURE……-0.7 TOTAL SNOWFALL FOR THE MONTH………………..4.7 DEPARTURE…..-10.5 TOTAL SNOWFALL FOR THE SEASON (2023-2024)……25.6 DEPARTURE…..-23.3 ————————————————————– PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY 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 2/1   40/30/35/+9/0.00/0.0/012/02         25 SW  VEC1 24 SW  RMY 26 2/2   39/31/35/+9/0.03/T/000/00           23 N   VEC1 24 N   RMY 25 2/3   35/26/31/+5/0.00/0.0/338/56         26 N   VEC1 26 NNW RMY 28 2/4   39/20/30/+4/0.00/0.0/607/100        28 NNW VEC1 28 NNW RMY 27 2/5   39/22/31/+4/0.00/0.0/597/98         29 N   VEC1 29 N   RMY 30 2/6   35/26/31/+4/0.00/0.0/251/41         26 N   VEC1 26 N   RMY 26 2/7   39/26/33/+6/0.00/0.0/436/71         21 NE  VEC1 21 NE  RMY 24 2/8   44/29/37/+10/0.00/0.0/457/74        16 S   VEC1 16 S   RMY 16 2/9   47/30/39/+12/0.00/0.0/229/37        31 SSW VEC1 31 SSW RMY 31 2/10  58/35/47/+20/0.02/0.0/385/62        26 NW  VEC1 26 NW  RMY 30 2/11  45/34/40/+13/0.00/0.0/119/19        30 NW  VEC1 30 NW  RMY 31 2/12  47/29/38/+10/0.00/0.0/470/75        21 N   VEC1 20 N   RMY 20 2/13  35/25/30/+2/0.65/4.3/000/00         40 NNE VEC1 41 NNE RMY M 2/14  29/21/25/-3/0.00/0.0/562/89         53 NW  VEC1 53 NW  RMY 54 2/15  38/18/28/0/0.03/0.4/527/83          37 SW  VEC1 36 SW  RMY 37 2/16  37/26/32/+4/T/T/599/94              50 WNW VEC1 47 WNW RMY 51 2/17  33/21/27/-2/T/T/128/20              36 WNW VEC1 38 WNW RMY 38 2/18  35/17/26/-3/0.00/0.0/418/65         39 SW  VEC1 40 SW  RMY 41 2/19  36/21/29/0/0.00/0.0/639/99          29 WNW VEC1 29 WNW RMY 28 2/20  36/16/26/-3/0.00/0.0/648/100        22 N   VEC1 22 N   RMY 21 2/21  39/24/32/+3/0.00/0.0/553/85         23 ESE VEC1 23 ESE RMY 22 2/22  42/24/33/+3/…/0.0/…/..          26 SSW VEC1 26 SSW RMY 25 2/23  41/33/37/+7/…/0.0/…/..          25 SSW VEC1 26 SSW RMY 27 2/24 The low since midnight is 33F, the daily normal low is 21F ————————————————————– FEBRUARY DAILY RECORDS TO DATE NONE… ————————————————————– DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR FEBRUARY 24 HIGH 71F IN 2017 [RECORD HIGH FOR MONTH] LOW -11F IN 1894 PRECIP 3.10 INCHES IN 1969 SNOWFALL 27.4 INCHES IN 1969 [HIGHEST CALENDAR DAY AMOUNT ON RECORD] PEAK GUST 63 MPH NE IN 1998 RECORDS FOR FEBRUARY 25 HIGH 68F IN 2017 LOW -10F IN 1894 PRECIP 2.40 INCHES IN 1981 SNOWFALL 13.6 INCHES IN 1966 PEAK GUST 76 MPH S IN 2016 TODAY’S REPORT PREPARED BY: Joshua Polen
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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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