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Monday, December 23, 2013

December 23, 2013

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

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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, DECEMBER 23, 2013 ALL TIMES ARE IN EASTERN STANDARD TIME GLOOMY DAY TODAY WITH STEADY RAIN AND TEMPERATURES HOVERING ABOVE FREEZING Light rain began falling at the summit shortly after 7:00 this morning, and it intensified into a steady, light to moderate rain for the rest of the day. A total of 0.28 inches of rainfall has been measured since 7:00 AM.  The temperature has been very steady all day, staying between 33 and 35 degrees since midnight.  A low temperature for the morning of 32.4F was recorded between 7:00 and 8:00.  The precipitation type has stayed as all rain, with no freezing rain observed, as the temperature never quite made it down to the freezing mark.  The morning began with a very dense fog, with the visibility down to zero at times.  It has not changed much during the day, contributing to the overall gloomy feel of today’s weather.  Today will likely be the 9th day of this month to have no sunshine observed. The barely above freezing temperatures of today are in sharp contrast to the record warmth of yesterday.  A new daily record high temperature of 63F was set before 11:00 yesterday morning, breaking the old record of 62F set in 1994.  The temperature fell 23 degrees between 11AM and 1PM as a front moved south through the region.  This is the first time a record high temperature has been broken since June 21, 2012.  There have been a few ties and also several high minimum temperature records broken, but this is the first time a high maximum temperature record has been broken since then. Today’s Observations: 7 A.M. Weather: Sky obscured by dense fog, stratus fractus drifting above and below the summit Temperature: 33F; Dew Point: 33F; Wind: NNE at 5 kts, Wind: Light Sea-level pressure: 30.07 ins. Hg, rising then rising more slowly Visibility: 1/16 mile, dense fog 6-hr. min temp: 33F 24-hr precip: 0.01 inches BHO SA 1155 W2 X 1/16F 182/33/33/0305/007/ STFRA DRFTNG OVR AND BLO SMT WND LGT/ 8//// 51017 MANUAL 70001 10035 20033 10 A.M. Weather: Sky obscured by moderate rain and dense fog Temperature: 33F; Dew Point: 33F; Wind: NNE at 3 kts, Wind: Light and variable Sea-level pressure: 30.09 ins. Hg, rising then falling Visibility: 1/8 mile, moderate rain and dense fog 3-hr precip: 0.10 inches BHO SA 1455 W3 X 1/8RF 188/33/33/0303/009/ WND LGT AND VRB/ 8//// 50006 MANUAL 60010 ASOS 60009 1 P.M. Weather: Sky obscured by light rain and dense fog Temperature: 33F; Dew Point: 33F; Wind: N at 7 kts Sea-level pressure: 30.00 ins. Hg, falling then falling more slowly Visibility: 1/16 mile, light rain and dense fog 6-hr max temp: 34F 6-hr precip: 0.28 inches BHO SA 1755 W2 X 1/16R-F 158/33/33/3507/000/ 8//// 56030 MANUAL 60028 ASOS 60026 10034 20032 WEATHER SUMMARY FOR SUNDAY, DECEMBER 22, 2013 TEMPERATURE (DEGREES F) MAX…..63    NORMAL…..37 MIN…..35    NORMAL…..22 MEAN….49    NORMAL…..29 DEPARTURE FROM 30-YEAR NORMAL…………………+20 TOTAL DEPARTURE FOR THE MONTH…………………-19 [-1.1 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..16  DEPARTURE……..-20 TOTAL HEATING UNITS FOR THE MONTH………….726  DEPARTURE……..+17 TOTAL HEATING UNITS FOR THE SEASON………..1950  DEPARTURE……..-21 TOTAL HEATING UNITS LAST SEASON TO DATE……1709  DIFFERENCE……+241 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………37 SW  AT  10:39 A.M. AERO…………………..41 SW  AT  10:39 A.M. ASOS…………………..40 SW  AT  10:41 A.M. DAVIS………………….40 SW  AT  10:40 A.M. RMY 41 FASTEST MILE FOR YESTERDAY………………..31 SW  AT  10:41 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..30 SW  AT  10:42 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….29 SSW AT  10:02 A.M. AVERAGE WIND SPEED AND DIRECTION…………15.6 SSW ASOS…………………15.2 DAVIS………………..14.4 S [177 degrees] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.01  DEPARTURE………….-0.15 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….3.26  DEPARTURE………….-0.29 ASOS…………..3.27 TOTAL PRECIPITATION FOR THE YEAR……….49.86  DEPARTURE………….-2.22 ASOS…………..N/A** ** ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M…….0.0     DEPARTURE………….-0.5 TOTAL SNOWFALL FOR THE MONTH…………15.0     DEPARTURE………….+6.3 TOTAL SNOWFALL FOR THE SEASON………..15.2     DEPARTURE………….+3.9 PRELIMINARY CLIMATE SUMMARY FOR DECEMBER 2013 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:  RMY = R.M. Young wind gust recording system added 8/9/2011 TSTM: Thunderstorm day (thunder heard some time during day) ….: Data not yet available, records not finalized 12/1  45/30/38/+1/0.28/T/000/00           22 SSE AERO 23 MPH SSE RMY 23 12/2  38/34/36/0/T/0.0/000/00             15 NW  AERO 15 MPH NW  RMY 16 12/3  45/32/39/+3/0.00/0.0/284/51         18 NNW AERO 18 MPH NNW RMY 20 12/4  43/29/36/+1/0.00/0.0/389/70         21 WNW AERO 21 MPH WNW RMY 21 12/5  53/38/46/+11/0.02/0.0/000/00        36 S   AERO 40 MPH S   RMY 39 12/6  55/33/44/+9/0.38/T/000/00           25 SSW AERO 28 MPH SSW RMY N/A 12/7  40/26/33/-1/0.12/T/287/52           23 NW  AERO 25 MPH NW  RMY N/A 12/8  30/22/26/-8/T/T/039/07              25 NW  AERO 27 MPH NW  RMY N/A 12/9  41/25/33/-1/0.35/0.6/000/00         28 E   AERO 28 MPH E   RMY 24 12/10 33/21/27/-6/0.14/2.1/000/00         28 W   AERO 28 MPH W   RMY 28 12/11 28/19/24/-9/0.00/0.0/345/63         27 SW  AERO 28 MPH SW  RMY 27 12/12 23/14/19/-14/0.00/0.0/542/99        28 WNW AERO 31 MPH NW  RMY 30 12/13 28/14/21/-11/0.00/0.0/405/74        31 W   AERO 32 MPH W   RMY 33 12/14 28/9/19/-13/0.45/4.8/000/00         30 E   AERO 26 MPH E   RMY N/A 12/15 36/21/29/-3/0.98/2.0/000/00         48 NE  AERO 50 MPH NE  RMY 51 12/16 27/14/21/-10/0.00/0.0/529/97        36 W   AERO 37 MPH W   RMY N/A 12/17 23/7/15/-16/0.53/5.5/104/19         28 N   AERO 30 MPH N   RMY 28 12/18 32/15/24/-7/0.00/0.0/436/80         29 WNW AERO 30 MPH NW  RMY 29 12/19 42/22/32/+2/0.00/0.0/425/78         38 SW  AERO 44 MPH SW  RMY 42 12/20 52/34/43/+13/0.00/0.0/…/..        26 SSW AERO 29 MPH SSW RMY 29 12/21 58/42/50/+20/0.00/0.0/…/..        28 SSW AERO 29 MPH SSW RMY 30 12/22 63/35/49/+20/…./0.0/…/..        37 SW  AERO 41 MPH SW  RMY 41 12/23 morning low temp: 33F; the normal low is now 21F DAILY RECORDS FOR DECEMBER 2013 12/22- NEW DAILY RECORD MAXIMUM TEMPERATURE OF 63F; surpasses previous record of 62F set in 1994 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR DECEMBER 23 HIGH 62 IN 1990 LOW -1 IN 1989 PRECIP 1.70 INS. IN 1947 SNOWFALL 11.9 INS. IN 1947 PEAK GUST 67 SSE IN 2004 RECORDS FOR DECEMBER 24 HIGH 58 IN 1996 LOW -6 IN 1943 PRECIP 2.21 INS. IN 1994 SNOWFALL 12.3 INS. IN 1961 PEAK GUST 79e MPH SE IN 1941 TODAY’S REPORT PREPARED BY: Jonathan O’Brien
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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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