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Monday, March 31, 2014

March 31, 2014

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, MARCH…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, MARCH 31, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME RAINFALL TOTAL APPROACHING 4 INCHES OVER 3 DAYS CLOSE TO HALF INCH OF SNOW/SLEET EARLY THIS MORNING TEMPERATURES DIP SLIGHTLY BELOW FREEZING CAUSING ICING MARCH TEMPERATURES AVERAGING 4 DEGREES BELOW NORMAL NORTH-NORTHEAST BACKED TO NORTH GUSTING NEAR 40 MPH The rain which began Saturday afternoon totaled 2.41 inches by 8 A.M. EDT Sunday and 1.37 inches during the next 24 hours ending this morning for a storm total of 3.78 inches. In additional precipitation began mixing with snow late last evening and then became mostly snow and some heavy sleet along with some freezing rain and freezing drizzle during this morning.  The freezing precipitation added about a 0.1 inch coating of glaze stopping several of our wind speed recording systems. The storm rainfall total had reached 3.94 inches by 2 P.M. EDT this afternoon. Today’s Observations: 7 A.M. Weather: Sky overcast with stratus fractus and light freezing drizzle occurring with fog, 0.1 inch of glaze accumulation Temperature: 32F; Dew Point: 32F; Wind: N at 15G28 kts, Wind: Peak gust 28 kts N at 6:49 A.M. EST Sea-level pressure: 29.78 ins. Hg, rising then more rapidly Visibility: 1/8 of a mile, rain and fog 6-hr max temp: 32F 6-hr min temp: 31F 6-hr precip (ASOS): 1.35 inches 24-hr precip: 1.37 inches 24-hr snowfall: 0.4 inch (included sleet) Total snow on ground: Trace (less than half inch) BHO SA 1155 E5 OVC 13/4ZL-F 083/32/32/0115G28/978/ GLZ ACCUM 0.1 IN PK WND 0128/49/WND 33V05 TOTAL NEW SN/PL PST 24 HRS 0.4 IN/ 8/7// 53020 ASOS 60031 MANUAL N/A ASOS 70135 MANUAL 70137 10032 20031 10 A.M. Weather: Broken stratus fractus, overcast nimbostratus, light drizzle occurring, light snow shower past hour Temperature: 33F; Dew Point: 32F; Wind: N at 20G32 kts, Wind: Peak wind gust 32 kts N at 9:49 EST, wIND: Direction variable NNW-NE Sea-level pressure: 29.82 ins. Hg, rising then more slowly Visibility: 3 miles, light drizzle and fog 3-hr precip: 0.06 inch 3-hr snowfall: trace BHO SA 1455 E4 BKN 20 OVC 3L-F 098/33/32/3620G32/982/ TOTAL NEW SN PST 3 HRS TRACE PK WND 3632/51/ WND 33V04 SELBUKN PCPN VRY LGT/ 8/72/ 51015 ASOS 60006 MANUAL 6006/ 1 P.M. Weather: Scattered stratus fractus, overcast stratus fractus, light rain, briefly showers of ice pellets past hour Temperature: 33F; Dew Point: 32F; Wind: N at 11G19 kts, Wind: Direction variable NNW-NE Sea-level pressure: 29.84 ins. Hg, rising slightly Visibility: 12 miles, except 5 miles SE, light rain and fog 6-hr max temp: 33F 6-hr min temp: 32F 6-hr precip: 0.16 inch 6-HR snowfall: trace BHO SA 1755 5 SCT E25 OVC 12R- 106/33/32/0111G19/984/ VSBY SE 5 BRFLY IPW- PST HR BEUKN THN F ALQDS TOTAL NEW SN/PL PST 6 HRS TRACE WND 34V04/ 8/7// 53008 MANUAL 6014/ ASOS 60014 10033 20032 WEATHER SUMMARY FOR SUNDAY, MARCH 30, 2014 TEMPERATURE (DEGREES F) MAX…..42    NORMAL…..49 MIN…..33    NORMAL…..31 MEAN….38    NORMAL…..40 DEPARTURE FROM 30-YEAR NORMAL…………………….-2 TOTAL DEPARTURE FOR THE MONTH…………………..-114 [-4.0 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..27  DEPARTURE……….+2 TOTAL HEATING UNITS FOR THE MONTH…………1005  DEPARTURE……..+113 TOTAL HEATING UNITS FOR THE SEASON………..5596  DEPARTURE……..+137 TOTAL HEATING UNITS LAST SEASON TO DATE……5003  DIFFERENCE…….+593 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………40  NNE  AT  7:26 P.M. AERO…………………..38  NNE  AT  4:45 P.M. * ASOS…………………..39  NNE  AT  8:35 P.M. DAVIS………………….37  N    AT  4:45 P.M. RMY 41 FASTEST MILE FOR YESTERDAY………………..26  NNE  AT  4:45 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..26  NNE  AT  4:45 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….26  NNE  AT  4:45 P.M. AVERAGE WIND SPEED AND DIRECTION………… 18.3 NNE ASOS………………….17.8 DAVIS…………………16.8 NNE [025 deg.] * Last of several occurrences… PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….1.37  DEPARTURE………….+1.20 ASOS…………..1.35 TOTAL PRECIPITATION FOR THE MONTH……….4.84  DEPARTURE………….-0.74 ASOS…………..4.82 TOTAL PRECIPITATION FOR THE YEAR……….14.93  DEPARTURE………….+0.93 ASOS………….15.36 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.4  DEPARTURE…………..+0.2 TOTAL SNOWFALL FOR THE MONTH…………….3.0  DEPARTURE…………..-9.6 TOTAL SNOWFALL FOR THE SEASON…………..84.8  DEPARTURE………….+25.2 PRELIMINARY CLIMATE SUMMARY FOR MARCH 2014 CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane wind recording system gust RMY:  R.M. Young wind gust recording system TSTM: Thunderstorm day (thunder heard some time during day) ….: Data not yet available, records not finalized 3/1  34/12/23/-8/0.00/0.0/458/68          28 SSW AERO 29 MPH SSW RMY 30 3/2  37/28/33/2/T/T/014/02                22 SW  AERO 22 MPH SW  RMY 29 3/3  28/11/20/-12/0.00/0.0/000/00         29 NNW AERO 30 MPH NNW RMY N/A 3/4  29/6/18/-14/0.00/0.0/444/65          17 SW  AERO 16 MPH SW  RMY 17 3/5  27/16/22/-10/0.02/0.3/000/00         21 NE  AERO 20 MPH N   RMY 23 3/6  26/7/17/-15/0.00/0.0/689/100         23 NNW AERO 23 MPH NNW RMY N/A 3/7  35/16/26/-7/0.00/0.0/449/65          18 SE  AERO 17 MPH SE  RMY 18 3/8  52/27/40/+7/0.00/0.0/673/97          26 NW  AERO 29 MPH NNW RMY 27 3/9  40/25/33/0/0.00/0.0/669/96           28 NW  AERO 29 MPH NW  RMY 29 3/10 42/26/34/+1/0.03/0.8/196/28          21 S   AERO 22 MPH S   RMY 27 3/11 56/34/45/+11/0.00/0.0/450/64         33 W   AERO 33 MPH W   RMY 34 3/12 53/34/44/+10/0.50/T/120/17           29 NNW AERO 30 MPH NNW RMY 30 3/13 33/12/23/-11/0.14/1.4/007/01         43 NW  AERO 45 MPH NW  RMY 45 3/14 37/10/24/-11/0.00/0.0/498/70         39 SSW AERO 41 MPH SSW RMY 42 3/15 54/35/45/+10/0.01/0.0/450/63         50 WNW AERO 58 MPH WNW RMY 54 3/16 34/21/28/-7/0.00/0.0/509/71          36 W   AERO 36 MPH WNW RMY 37 3/17 30/13/22/-14/0.00/0.0/562/78         25 N   AERO 26 MPH N   RMY 19 3/18 35/16/26/-10/0.00/0.0/701/97         18 ENE AERO 16 MPH ENE RMY 18 3/19 44/23/34/-2/T/0.0/428/59             24 E   AERO 23 MPH E   RMY 26 3/20 51/35/43/+6/0.30/0.0/190/26          36 W   AERO 37 MPH W   RMY 39 3/21 42/29/36/-1/0.00/0.0/242/33          40 W   AERO 41 MPH W   RMY 42 3/22 55/26/41/+4/T/0.0/404/55             52 WNW AERO 52 MPH WNW RMY 53 3/23 43/20/32/-6/0.00/0.0/052/07          32 NNW AERO 32 MPH NNW RMY N/A 3/24 32/13/23/-15/0.00/0.0/725/98         37 N   AERO 36 MPH N   RMY 36 3/25 38/17/28/-10/0.00/0.0/550/74         25 SSW AERO 22 MPH SSW RMY N/A 3/26 32/20/26/-13/T/0.1/…/..            54 NW  AERO 56 MPH NW  RMY 55 3/27 45/17/31/-8/0.00/0.0/…/..          35 NW  AERO 33 MPH NW  RMY 31 3/28 57/33/45/+6/0.06/0.0/…/..          45 SW  AERO 43 MPH SW  RMY 47 3/29 53/37/45/+5/…./0.0/…/..          39 ENE AERO 40 MPH ENE RMY 38 3/30 42/33/38/-2/…./T/000/00            40 NNE AERO 38 MPH NNE RMY 41 3/31 morning low temp: 31F; the normal low is now 32F DAILY RECORDS FOR MARCH 2014 None DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR MARCH 31 HIGH 89 IN 1998  [RECORD HIGH FOR MONTH] LOW 16 IN 1923 PRECIP 2.89 IN 1987 SNOWFALL 15.0 IN 1997 PEAK GUST 81 MPH SSE IN 1987 RECORDS FOR APRIL 1 HIGH 74 IN 1967 LOW 6 IN 1923 [RECORD FOR MONTH] PRECIP 3.47 IN. IN 2004 [RECORD FOR MONTH] SNOWFALL 15.0 IN. IN 1997 [RECORD FOR MONTH] PEAK GUST 75 MPH SSW IN 1962 TODAY’S REPORT PREPARED BY: Robert Skilling
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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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