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Tuesday, November 26, 2013

November 26, 2013

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

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY TUESDAY, NOVEMBER 26, 2013 ALL TIMES ARE IN EASTERN STANDARD TIME TEMPERATURES MODERATING ON SW WINDS; OVERCAST SKY TODAY WITH A COUPLE OF EARLY MORNING FLURRIES Although still slightly below normal, temperatures have finally moderated following the very cold weather of the past couple of days. A S-SW wind direction developed late yesterday afternoon, and has continued through this afternoon. This has brought a warmer and more moist air mass into the area. Dew point temperatures have risen from yesterday’s very low values below zero to the lower 20s today. Overcast sky conditions have kept temperatures in check, despite the steady S-SW wind. A few flurries were observed early this morning. After a very warm start to November, the recent cold has pushed the temperature departure for the month to more than 1 degree BELOW the 30-year normal. Nearby Ponkapoag Pond was nearly completely frozen over this morning. There were only a few small holes in the ice. Nearby Houghton’s Pond had only slightly more than 10% ice coverage this morning. Today’s Observations: 7 A.M. Weather: Scattered stratocumulus, broken altocumulus (2 levels), stratocumulus S-SW and W-N-NE, breaks in cloud cover distant E-S, distant haze, snow shower distant SW-NW-NE moving ENE Temperature: 32F; Dew Point: 20F; Wind: SSW at 12 kts. Sea-level pressure: 30.31 ins. Hg, rising then rising more slowly Visibility: 35 miles, distant haze 24-hr snowfall: Trace 24-hr precip: Trace 6-hr precip: Trace 6-hr min temp: 30F BHO SA 1155 40 SCT E75 BKN 90 BKN 35 264/32/20/2112/031/ SC S-SW AND W-N-NE BRKS DSNT E-S DSNT HZ SHSN DSNT SW-NW-NE MOVG ENE TOTAL NEW SNW PST 24 HRS TRACE/ 8/570 51007 MANUAL 7000/ MANUAL 6000/ 10032 20030 10 A.M. Weather: Scattered altocumulus, broken altocumulus, overcast altostratus, altocumulus lenticularis all quadrants, hazy, virga distant ESE-SSE, snow shower distant NE-ENE moving ENE Temperature: 35F; Dew Point: 21F; Wind: WSW at 7 kts. Sea-level pressure: 30.33 ins. Hg, rising then rising more slowly Visibility: 45 miles, hazy BHO SA 1455 75 SCT E100 BKN 140 OVC 45 272/35/21/2507/033/ ACSL ALQDS HAZY VIRGA DSNT ESE-SSE SHSN DSNT NE-ENE MOVG ENE/ 8/07/ 51008 1 P.M. Weather: Scattered altocumulus, broken altocumulus, overcast altostratus, altocumulus lenticularis all quadrants, sun dimly visible, hazy Temperature: 39F; Dew Point: 21F; Wind: SW at 7 kts, Wind: Direction variable S-WSW Sea-level pressure: 30.29 ins. Hg, falling steadily Visibility: 45 miles, hazy 6-hr max temp: 39F BHO SA 1755 60 SCT E75 BKN 100 OVC 45 258/39/21/2207/029/ ACSL ALQDS SUN DIMLY VSBL HAZY WND 19V25/ 8/07/ 57014 10039 20032 WEATHER SUMMARY FOR MONDAY, NOVEMBER 25, 2013 TEMPERATURE (DEGREES F) MAX…..32 NORMAL…..47 MIN…..14 NORMAL…..31 MEAN….23 NORMAL…..39 DEPARTURE FROM 30-YEAR NORMAL…………………-16 TOTAL DEPARTURE FOR THE MONTH…………………-24 [-1.2 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..42 DEPARTURE……..+16 TOTAL HEATING UNITS FOR THE MONTH………….584 DEPARTURE……..+24 TOTAL HEATING UNITS FOR THE SEASON………..1061 DEPARTURE……..-63 TOTAL HEATING UNITS LAST SEASON TO DATE…….992 DIFFERENCE…….+69 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………29 W AT 12:01 A.M. AERO…………………..29 WNW AT 1:50 A.M. * ASOS…………………..30 W AT 12:02 A.M. DAVIS………………….28 WNW AT 12:01 A.M. RMY N/A FASTEST MILE FOR YESTERDAY………………..23 SSW AT 10:22 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..22 SSW AT 11:23 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….21 SSW AT 10:23 P.M. AVERAGE WIND SPEED AND DIRECTION…………14.5 WNW ASOS…………………13.8 DAVIS………………..13.0 W [264 degrees] * last of several occurrences… PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…Trace DEPARTURE…………-0.16 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….1.23 DEPARTURE…………-2.72 ASOS…………..1.22 TOTAL PRECIPITATION FOR THE YEAR……….44.24 DEPARTURE…………-3.48 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…..Trace DEPARTURE………….-0.1 TOTAL SNOWFALL FOR THE MONTH………….0.2 DEPARTURE………….-1.3 TOTAL SNOWFALL FOR THE SEASON…………0.2 DEPARTURE………….-1.6 PRELIMINARY CLIMATE SUMMARY FOR NOVEMBER 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 11/1 68/56/62/+16/0.10/0.0/012/02 60 SSW AERO N/A N/A RMY 66 11/2 65/49/57/+11/0.00/0.0/296/48 22 WSW AERO N/A N/A RMY 23 11/3 49/30/40/-6/0.06/T/135/22 23 N AERO N/A N/A RMY N/A 11/4 42/27/35/-10/0.00/0.0/588/96 24 NNE AERO N/A N/A RMY 25 11/5 50/29/40/-5/0.00/0.0/487/80 16 SSW AERO N/A N/A RMY 17 11/6 59/40/50/+5/0.00/0.0/419/69 30 SSW AERO 31 MPH SSW RMY 33 11/7 65/37/51/+6/0.31/0.0/079/13 33 SW AERO 37 MPH SW RMY 37 11/8 48/31/40/-4/T/T/0.0/421/70 37 WNW AERO 37 MPH WNW RMY 39 11/9 44/29/37/-7/0.00/0.0/366/61 25 WNW AERO 25 MPH WNW RMY 29 11/10 52/40/46/+2/0.08/0.0/108/18 31 WNW AERO 33 MPH WNW RMY N/A 11/11 51/36/44/+1/0.00/0.0/500/84 36 WNW AERO 37 MPH WNW RMY 37 11/12 48/24/36/-7/0.11/0.2/000/00 42 SW AERO 43 MPH SW RMY 43 11/13 35/21/28/-15/0.00/0.0/591/100 29 NW AERO 30 MPH NW RMY 30 11/14 49/26/38/-4/0.00/0.0/536/91 25 SW AERO 25 MPH SW RMY 28 11/15 59/38/49/+7/0.00/0.0/393/67 24 S AERO 25 MPH S RMY 26 11/16 59/40/50/+8/0.00/0.0/363/62 20 WSW AERO 20 MPH WSW RMY N/A 11/17 59/42/51/+10/0.07/0.0/000/00 23 SSE AERO 25 MPH SSE RMY N/A 11/18 65/46/56/+15/0.28/0.0/400/69 40 SSW AERO 40 MPH S RMY N/A 11/19 46/28/37/-4/0.00/0.0/428/74 46 WNW AERO 46 MPH WNW RMY 46 11/20 40/25/33/-7/0.00/0.0/…/.. 23 NW AERO 22 MPH NW RMY 22 11/21 46/26/36/-4/0.00/0.0/…/.. 16 SW AERO 16 MPH SW RMY N/A 11/22 46/39/43/+3/0.22/0.0/…/.. 17 WSW AERO 18 MPH SW RMY 19 11/23 46/27/37/-2/0.00/0.0/…/.. 40 WNW AERO 44 MPH WNW RMY 48 11/24 27/17/22/-17/0.00/0.0/…/.. 53 NW AERO 59 MPH NW RMY 57 11/25 32/14/23/-16/0.00/0.0/…/.. 29 W AERO 29 MPH WNW RMY N/A 11/26 morning low temp: 29F; the normal low is now 30F DAILY RECORDS FOR NOVEMBER 2013 None so far. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR NOVEMBER 26 HIGH 66 IN 1979 LOW 6 IN 1938 PRECIP 2.22 INS IN 1888 SNOWFALL 3.0 INS IN 1974 PEAK GUST 78 SSE IN 1964 RECORDS FOR NOVEMBER 27 HIGH 68 IN 1896 LOW 5 IN 1932 PRECIP 1.92 INS IN 1898 SNOWFALL 16.0 INS IN 1898 PEAK GUST 68 NW IN 1997 TODAY’S REPORT PREPARED BY: Sean Fankhauser
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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

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Observatory data are made available for the following limited, non-commercial purposes only:

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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
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§ 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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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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