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Thursday, December 26, 2013

December 27, 2013

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY THURSDAY, 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 THURSDAY, DECEMBER 26, 2013 ALL TIMES ARE IN EASTERN STANDARD TIME VERY COLD CHRISTMAS THIS YEAR TEMPS. MODERATE ABOVE FREEZING TODAY Christmas began with a high of 35 deg. at midnight Christmas eve but fell to 13 deg. by about 8 a.m. with a bitter cold wind chill.  The temperature rose to a maximum of 21 in the early afternoon before falling back to the teens. Rising temperatures later in the evening were back to 19F by midnight. A band of light snow grains/snow moved through this morning accumulating 0.2 inch and 0.02 melted and later began melting as temperatures rose to the mid-30’s. NO DISCUSSION FOR CHRISTMAS DAY BUT BELOW IS OUR ONE MANUAL OBSERVATION AT 7 A.M. 12/25/2013 WED CHRISTMAS DAY Sky: Clear, few cumulus fractus forming vicinity SE-SW, stratocumulus/cumulus layer along and offshore NE-NE Visibility: 45 miles Temperature: 14F; Dew Point: 1F; Wind: NW at 16G22 kts Sea Level Pressure: 30.39 ins. Hg; rising then more rapidly 6-hour min. temp: 14F BHO SA 1155 CLR 45 292/14/1/3216G22/039/ FEW CUFRA VC SE-SW SC/CU LYR ALG/OFFSHR NE-SE DSNT HZ/ 8/800 53035 10023 20014 Today’s Observations: 7 A.M. Weather: Overcast altocumulus, few small breaks in overcast to the NE-SE, few bright spots in overcast Temperature: 24F; Dew Point: 19F; Wind: SE at 12 kts, Sea-level pressure: 30.36 ins. Hg, decreasing Visibility: 35 miles. light distant haze 6-hr. min temp: 18F 24-hr precip: 0.00 inches BHO SA 1155 E32 OVC 35 280/24/19/1412/036/ SML BINOVC DSNT NE-NE FEW THN SPTS IOVC LGT DSNT HZ/ 8/5// 58026 10024 20018 10 A.M. Weather: Broken stratus fractus, overcast nimbostratus, light snow grain occurring Temperature: 29F; Dew Point: 25F; Wind: SSE at 3 kts, Sea-level pressure: 30.33 ins. Hg, decreasing Visibility: 4 miles, light snow grains 3-hour precip: trace 3-hour snowfall: trace BHO SA 1455 E10 BKN 16 OVC 4SG- 272/29/25/1403/033/ VSBY LWRG PST HR VSBY E 3 SW-NW 5 SGB20 TOTAL NEW SNW 3 HRS T/ 8/72/ 55008 MANUAL 600/ 1 P.M. Weather: Overcast nimbostratus, lower stratus layer distant WSW-NW, higher cloud layer distant W-NW Temperature: 32F; Dew Point: 30F; Wind: SE at 10 kts Sea-level pressure: 30.15 ins. Hg, falling then more rapidly Visibility: 20 miles, thin fog, inversion over city north estimated top 3 hundred feet, thin fog all quadrants 6-hr max temp: 32F 6-hr precip: 0.02 in. 6-hr snowfall: 0.2 in. BHO SA 1755 E16 BKN 23 OVC 20 209/32/30/1310/015/ LWR STRA LYR DSNT WSW-NW HIER LYR VSB DSNT S-NW INVSN OVR CTY N ESTMTD TOP 3 HND THN F ALQDS/ 8/62/ 58063 MANUAL 6002/ ASOS 60002 10032 20024 WEATHER SUMMARY FOR WEDNESDAY, DECEMBER 25, 2013 CHRISTMAS DAY TEMPERATURE (DEGREES F) MAX…..25    NORMAL…..36 MIN…..13    NORMAL…..21 MEAN….19    NORMAL…..28 DEPARTURE FROM 30-YEAR NORMAL………………….-9 TOTAL DEPARTURE FOR THE MONTH…………………-20 [-1.0 DEGREE/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..46  DEPARTURE………+9 TOTAL HEATING UNITS FOR THE MONTH………….837  DEPARTURE……..+19 TOTAL HEATING UNITS FOR THE SEASON………..2061  DEPARTURE……..-19 TOTAL HEATING UNITS LAST SEASON TO DATE……1810  DIFFERENCE……+251 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………29 WNW   AT   2;26 A.M. AERO…………………..30 NW    AT   8:35 A.M. * ASOS…………………..30 WNW   AT   2:36 A.M. DAVIS………………….29 WNW   AT   5:47 A.M. RMY N/A FASTEST MILE FOR YESTERDAY………………..21 NW    AT   8:35 A.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..22 NW    AT   8:36 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….20 W     AT  12:38 A.M. AVERAGE WIND SPEED AND DIRECTION…………10.0 NW ASOS………………….9.9 DAVIS…………………8.8 WNW [300 deg.] * last of several occurrences PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE………….-0.16 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….3.99  DEPARTURE………….-0.03 ASOS…………..3.97 TOTAL PRECIPITATION FOR THE YEAR……….50.59  DEPARTURE………….-1.96 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………….+4.8 TOTAL SNOWFALL FOR THE SEASON………..15.2     DEPARTURE………….+2.4 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 37/32/35/+6/…./0.0/000/00         24 NW  AERO 25 MPH NW  RMY 25 12/24 36/25/31/+2/T/T/…/..              25 NW  AERO 12/25 25/13/19/-9/0.00/0.0/…/..         29 NW  AERO 30 MPH WNW RMY 30 12/26  morning low temp: 19F; the normal low is now 20F 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 26 HIGH 58 IN 1973,1982 LOW -12 IN 1980 PRECIP 3.64 INS. IN 1969 SNOWFALL 17.5 INS. IN 1909 PEAK GUST 84 MPH SSE IN 1957 RECORDS FOR DECEMBER 27 HIGH 57 IN 1895,1949 LOW -4 IN 1903 PRECIP 2.43 INS. IN 1969 SNOWFALL 11.2 INS. IN 1947 PEAK GUST 73 S IN 2011 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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