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Saturday, March 23, 2024

March 23, 2024

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, MARCH 23, 2024 ALL TIMES ARE…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, MARCH 23, 2024 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0541E SUNSET:  1800E FREEZING RAIN TO RAIN AS STORM MOVES THROUGH… We began the morning with temperatures just below freezing on the hill, with readings in the low 30s. Due to what must have been a warm layer aloft, our precipitation type for the early-morning hours was freezing rain, resulting in a thin glaze on most surfaces. Thankfully, that did not include the roadway, or the drive up here would have been quite interesting. Just a few minutes before the 7am observation, the temperature rose above the freezing mark, and we have experienced plain old rain since. This has mostly been light to moderate in intensity. By 7am we had received 0.12″ of precipitation, and with an additional 0.30″ measured by 1pm, the total for the storm so far is 0.42″. It seems the bulk of the precip is yet to come. Winds have been rather light, going nearly calm at midday. Our average so far is around 8mph, with a peak gust of just 21mph a little after 7am. Not surprisingly, visibility has been very poor due to the rain and fog, falling from 3 miles to just 1/16 mile by the afternoon. The maximum temperature so far today is 44F degrees, which is 2 degrees below the normal high of 46F. The minimum temperature since midnight is 31F degrees, which is 2 degrees above the normal low of 29F. ————————————————————– Today’s Observations: 7 A.M. Weather: Light rain and fog, overcast stratus, few lower stratus fractus all quadrants Temperature: 33F; Dew Point: 33F; Relative Humidity: 100% Wind: E @ 11G16 kts Sea-level pressure: 1021.2 mb; 30.16 in. Hg: falling, then more rapidly Visibility: 3 miles, fog 6-hr Max temp: 33F 6-hr Min temp: 31F 24-hr Precip: 0.12 inches 24-hr Snowfall: Trace Snow Depth: 0 inches BHO SA 1155 E15 OVC 3R-F 212/33/33/0811G16/016/ FEW LWR STRFA ALQDS ZR-E51 R-B51 THN GLZ MST SFCS TOTAL NEW SNW PAST 24HRS TRACE/ 8/6// 58015 70012 10033 20031 10 A.M. Weather: Light rain and fog, sky obscured, vertical visibility 200ft Temperature: 37F; Dew Point: 37F; Relative Humidity: 100% Wind: ENE @ 9 kts Sea-level pressure: 1017.9 mb; 30.06 in. Hg: falling, then more rapidly Visibility: 1/4 mile, 1 mile SSE-SSW, fog 3-hr Precip: 0.15 inches 3-hr Snowfall: 0.0 inches BHO SA 1455 X W2 1/4R-F 179/37/37/0709/006/ VSBY 1 SSE-SSW/ 8//// 58033 6015/ 1 P.M. Weather: Light rain and fog, sky obscured, vertical visibility 200ft Temperature: 41F; Dew Point: 41F; Relative Humidity: 100% Wind: NNW @ 5 kts, wind light Sea-level pressure: 1014.2 mb; 29.95 in. Hg: falling, then more rapidly Visibility: 1/16 mile, fog 6-hr Max temp: 44F 6-hr Min temp: 33F 6-hr Precip:  0.30 inches 6-hr Snowfall: 0.0 inches Snow Depth: 0 inches BHO SA 1755 X W2 1/16R-F 142/41/41/3405/995/ WND LGT/ 8//// 58037 6030/ 10044 20033 ————————————————————– SUMMARY FOR FRIDAY, MARCH 22, 2024 TEMPERATURE (DEGREES F) MAX…….40   NORMAL…..46 MIN…….21   NORMAL…..29 MEAN……31   NORMAL…..37 DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………-6 TOTAL DEPARTURE FOR THE MONTH………………….+146 [+6.4 DEGREES/DAY] HEATING DEGREE DAYS (SEASON: JUL 2023 THRU JUN 2024) TOTAL HEATING UNITS FOR YESTERDAY……………34  DEPARTURE……..+6 TOTAL HEATING UNITS FOR THE MONTH…………..533  DEPARTURE……-147 TOTAL HEATING UNITS FOR THE SEASON…………4421  DEPARTURE……-691 TOTAL HEATING UNITS LAST SEASON TO DATE…….4328  DEPARTURE…….+93 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)……….E29 WNW  @  12:14 A.M. VECTOR #1 (1-Sec)……….29 WNW  @  12:14 A.M. VECTOR #2 (1-Sec)……….33 W    @  12:00 A.M. DAVIS #1……………….29 W    @  12:00 A.M. DAVIS #2 ………………31 WNW  @  12:00 A.M. RMY #1 (Instantaneous)…..32 WNW  @  12:14 A.M. RMY #2 (Instantaneous)…..33 W    @  12:00 A.M. MERLIN………………….M RICHARDS (C5C) (Inst)……28      @  01:49 A.M. FASTEST MILE: CONTACTING ANEMOMETER/OFFICIAL………………19 WNW  @  12:09 A.M. MAXIMUM 2-MINUTE VECTOR #1 AVERAGE…………..20      @  12:01 A.M. MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..23      @  12:01 A.M. MAXIMUM 2-MINUTE DAVIS #1 AVERAGE……………21 W    @  12:01 A.M. MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………23 WNW  @  12:01 A.M. MAXIMUM 2-MINUTE RMY #1 AVERAGE……………..19 WNW  @  12:01 A.M. MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..22 W    @  12:01 A.M. MAXIMUM 2-MINUTE RICHARDS (C5C) AVERAGE………20      @  12:01 A.M. AVERAGE WIND SPEED AND DIRECTION: CONTACTING/OFFICIAL…….8.3 WNW [199 total miles] VECTOR #1……………..8.6 VECTOR #2……………..9.2 DAVIS #1………………8.6 W DAVIS #2………………8.4 WNW RMY #1………………..8.1 W RMY #2………………..9.0 W RICHARDS (C5C)…………9.0 PRECIPITATION (INCHES) THROUGH THIS MORNING (EST): TOTAL PRECIPITATION 24 HRS ENDING 7 A.M……..0.12 DEPARTURE…..-0.07 TOTAL PRECIPITATION FOR THE MONTH…………..4.62 DEPARTURE…..+0.70 TOTAL PRECIPITATION FOR THE YEAR (2024)…….15.18 DEPARTURE…..+2.76 SNOWFALL (INCHES) THROUGH THIS MORNING (EST): TOTAL SNOWFALL 24 HRS ENDING 7 A.M…………TRACE DEPARTURE……-0.5 TOTAL SNOWFALL FOR THE MONTH………………TRACE DEPARTURE…..-12.2 TOTAL SNOWFALL FOR THE SEASON (2023-2024)……26.1 DEPARTURE…..-38.0 ————————————————————– PRELIMINARY CLIMATE SUMMARY FOR MARCH 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 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) 3/1   41/18/30/-1/0.00/0.0/649/96         30 NW  VEC1 30 WNW RMY 33 3/2   50/32/41/+9/1.16/0.0/000/00         44 SSE VEC1 46 SE  RMY 42 3/3   55/42/49/+17/0.24/0.0/130/19        32 SSE VEC1 33 SSE RMY 32 3/4   49/36/43/+11/0.01/0.0/116/17        24 ENE VEC1 22 ENE RMY 23 3/5   42/36/39/+7/0.14/0.0/000/00         21 E   VEC1 21 E   RMY 21 3/6   51/39/45/+12/0.44/0.0/000/00        28 NE  VEC1 28 NE  RMY 29 3/7   42/37/40/+7/1.06/0.0/000/00         44 NNE VEC1 44 NNE RMY 42 3/8   45/32/39/+6/0.00/0.0/682/98         35 NNE VEC1 36 NNE RMY 38 3/9   40/32/36/+3/0.21/0.0/000/00         32 E   VEC1 32 E   RMY 31 3/10  51/36/44/+10/1.07/0.0/245/35        45 WNW VEC1 46 SE  RMY 45 3/11  43/30/37/+3/T/T/515/73              53 NW  VEC1 54 NW  RMY 58 3/12  54/33/44/+10/0.00/0.0/680/96        43 NW  VEC1 41 NW  RMY 45 3/13  54/33/44/+10/0.00/0.0/667/94        26 SSE VEC1 25 NNW RMY 25 3/14  58/36/47/+12/0.00/0.0/627/88        23 ENE VEC1 22 NE  RMY 21 3/15  44/37/41/+6/0.02/0.0/000/00         24 N   VEC1 23 NNW RMY 25 3/16  58/36/47/+12/0.00/0.0/510/71        29 S   VEC1 26 S   RMY 26 3/17  59/40/50/+14/0.04/0.0/390/54        38 NW  VEC1 38 NW  RMY 40 3/18  49/33/41/+5/0.00/0.0/558/77         38 W   VEC1 37 W   RMY 38 3/19  46/30/38/+2/0.00/0.0/575/79         44 NW  VEC1 43 NW  RMY 46 3/20  51/29/40/+3/0.11/T/190/26           50 WNW VEC1 50 WNW RMY 51 3/21  38/24/31/-6/T/T/…/..              53 WNW VEC1 53 WNW RMY 52 3/22  40/21/31/-6/…/../…/..           29 WNW VEC1 29 WNW RMY 32 3/23 The low since midnight is 31F, the daily normal low is 29F. ————————————————————– MARCH DAILY RECORDS TO DATE NONE… ————————————————————– DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated) RECORDS FOR MARCH 23 HIGH 78 IN 1938 LOW 3 IN 1934 PRE 2.52 INS. IN 2010 SNOW 3.0 INS. IN 1977 WIND 78e MPH W IN 1940 RECORDS FOR MARCH 24 HIGH 70 IN 1920 LOW 6 IN 1906 PRECIP 1.51 INS. IN 1956 SNOWFALL 12.3 INS. IN 1956 PEAK GUST 71 MPH W IN 1968 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
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  • 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
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  • 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

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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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