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Sunday, January 5, 2014

January 6, 2014

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

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, JANUARY 5, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME TEMPERATURES BACK ABOVE FREEZING TODAY! After the coldest weather in nearly three years, the temperature has moderated today, with S-SSW winds bringing in the more mild air.  The morning low of 23F was 5 degrees above average, and this afternoon the temperature has risen to a slightly above average 36F so far.  This is the first time the temperature has been above freezing since December 29.  The first four days of this month have averaged 14.5 degrees below normal! Skies were mostly clear at the start of the day today, but mid and high level clouds have increased in coverage from late morning through early afternoon.  These clouds are in advance of our next weather system, which is likely to impact us late today, tonight, and tomorrow.  With the rise in temperatures and the expectation that temperatures will be well above normal tomorrow, this is expected to be a rain event.  This rain and warm temperature combination will take a toll on our snow cover, which was at 9 inches this morning. THE PRELIMINARY DECEMBER 2013 STATS [Departures are relative to the 1981-2010 averages] TEMPERATURE: Deg. F Avg. Max. 38.0 [-1.1] Avg. Min. 23.7 [+0.1] Mean      30.9 [-0.4] 24-hr. corrected mean: 30.7 Max. temp: 63F on 22nd Min. temp: 7F  on 17th Total heating degree day units: 1053 [+10] Total seasonal heating units:   2277 [-28 less than average] [Season starts 7/1] Seasonal total this date 2012:  2028 [249 more than last season] PRECIPITATION: Inches Total: 5.27 [+0.38] Greatest in 24 hours: 1.43 (14-15th) Total snowfall: 15.5 [+2.1] Greatest in 24 hours: 6.8 inches (14-15th) WIND Av. speed (uncorrected): 11.9 mph Av. speed (corrected):   12.3 mph Prevailing direction: W 15% SUNSHINE Total astronomical minutes: 5,772 of possible 17,037 or 34% Total Campbell Stokes card minutes; 5,574 of possible 16,470 or 34% PRELIMINARY ANNUAL STATS FOR 2013 TEMPERATURE: Deg. F Avg. Max. 58.5 [+0.8] Avg. Min. 41.5 [+1.1] Mean      50.0 [+0.9] PRECIPITATION: Inches Total: 51.87 [-1.55] Snowfall: 99.3 [+36.6] (Jan-Dec) Today’s Observations: 7 A.M. Weather: Clear, few altocumulus distant all quadrants Temperature: 23F; Dew Point: 15F; Wind: SW at 12 kts Sea-level pressure: 30.30 ins. Hg, falling slightly then rising Visibility: 35 miles, distant haze 6-hr. min temp: 23F Snow cover: 9 inches BHO SA 1155 CLR 35 261/23/15/2312/030/ FEW AC DSNT ALQDS DSNT HZ/ 8/070 4/009 53014 10025 20023 10 A.M. Weather: Scattered altocumulus, lower altocumulus distant SE-SW, few cirrus and dense cirrus NW-NE, thin smoke layer along horizon W-NE Temperature: 29F; Dew Point: 16F; Wind: S at 11 kts, Sea-level pressure: 30.32 ins. Hg, rising then rising more slowly Visibility: 65 miles, light distant haze BHO SA 1455 120 SCT 65 269/29/16/1911/032/ LWR AC DSNT SE-SW FEW CI AND DNS CI NW-NE LGT DSNT HZ THN K LYR ALG HRZN W-NE/ 8/051 51008 1 P.M. Weather: Broken altocumulus, few lower altocumulus, cirrus distant WNW-NE Temperature: 35F; Dew Point: 20F; Wind: SSW at 9 kts Sea-level pressure: 30.27 ins. Hg, rising slightly then falling Visibility: 55 miles, light distant haze 6-hr max. temp: 36F BHO SA 1755 E65 BKN 55 252/35/20/2009/027/ FEW LWR AC CI DSNT WNW-NE LGT DSNT HZ/ 8/071 58017 10036 20023 WEATHER SUMMARY FOR SATURDAY, JANUARY 4, 2014 TEMPERATURE (DEGREES F) MAX…..25    NORMAL…..34 MIN…..-4    NORMAL…..18 MEAN….11    NORMAL…..26 DEPARTURE FROM 30-YEAR NORMAL…………………..-15 TOTAL DEPARTURE FOR THE MONTH…………………..-57 [-14.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..54  DEPARTURE…….. +15 TOTAL HEATING UNITS FOR THE MONTH………….211  DEPARTURE………+57 TOTAL HEATING UNITS FOR THE SEASON………..2488  DEPARTURE………+30 TOTAL HEATING UNITS LAST SEASON TO DATE……2199  DIFFERENCE…….+289 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………35 SSW  AT  7:33 P.M. AERO…………………..37 SSW  AT  7:08 P.M. ASOS…………………..37 SSW  AT  7:33 P.M. DAVIS………………….37 SSW  AT  7:33 P.M. RMY 38 FASTEST MILE FOR YESTERDAY………………..30 SSW  AT  6:59 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..28 SSW  AT  7:02 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….28 SSW  AT  7:03 A.M. AVERAGE WIND SPEED AND DIRECTION…………15.9 SSW ASOS…………………16.6 DAVIS………………..14.7 SW [224 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE………….-0.14 ASOS…………..0.02 TOTAL PRECIPITATION FOR THE MONTH……….1.35  DEPARTURE………….+0.77 ASOS…………..1.55 TOTAL PRECIPITATION FOR THE YEAR………..1.35  DEPARTURE………….+0.77 ASOS…………..1.55 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……..0.0    DEPARTURE…………..-0.6 TOTAL SNOWFALL FOR THE MONTH………….15.6    DEPARTURE………….+13.3 TOTAL SNOWFALL FOR THE SEASON…………31.2    DEPARTURE………….+13.1 PRELIMINARY CLIMATE SUMMARY FOR DECEMBER-JANUARY 2013-2014 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:  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/+13/0.00/0.0/332/61        26 SSW AERO 29 MPH SSW RMY 29 12/21 58/42/50/+20/0.00/0.0/082/15        28 SSW AERO 29 MPH SSW RMY 30 12/22 63/35/49/+20/0.01/0.0/000/00        37 SW  AERO 41 MPH SW  RMY 41 12/23 37/32/35/+6/0.73/0.0/000/00         24 NW  AERO 25 MPH NW  RMY 25 12/24 36/25/31/+2/T/T/142/26              25 NW  AERO 29 MPH N   RMY N/A 12/25 25/13/19/-9/0.00/0.0/480/88         29 NW  AERO 30 MPH WNW RMY 30 12/26 35/19/27/-1/0.05/0.5/000/00         24 W   AERO 25 MPH W   RMY 25 12/27 32/22/27/-1/0.00/0.0/344/63         25 W   AERO 25 MPH W   RMY 26 12/28 46/25/36/+8/0.00/0.0/300/55         30 WSW AERO 32 MPH SW  RMY 32 12/29 42/34/38/+11/1.23/0.0/000/00        36 NNE AERO 37 MPH NNE RMY 38 12/30 39/17/28/+1/0.00/0.0/071/13         38 W   AERO 39 MPH W   RMY 36 12/31 24/11/19/-9/0.00/0.0/236/43         30 W   AERO 31 MPH W   RMY 30 1/1   26/16/21/-6/0.00/0.0/…/..         25 W   AERO 25 MPH W   RMY 27 1/2   24/0/12/-15/…./../000/00          39 NNE AERO 39 MPH NNE RMY 39 1/3   12/-3/5/-21/…/../000/00           36 N   AERO 39 MPH N   RMY 34 1/4   25/-4/11/-15/…./../…/..         35 SSW AERO 37 MPH SSW RMY 38 1/5 morning low temp: 23F; the normal low is now 18F 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 JANUARY 5 HIGH 61F IN 2007 LOW -9F IN 1981 PRECIP 0.98 INS. IN 1993 SNOW 4.5 INS. IN 1891 PEAK GUST 70 MPH WNW IN 1959 RECORDS FOR JANUARY 6 HIGH 66F IN 2007 LOW -14F IN 1896 PRECIP 3.10 INS. IN 1889 [RECORD FOR MONTH] SNOWFALL 7.5 INS. IN 1893 PEAK GUST 70 MPH WNW IN 1959 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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