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Tuesday, September 17, 2013

September 17, 2013

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

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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, SEPTEMBER 17, 2013 ALL TIMES ARE IN EASTERN STANDARD TIME QUITE CHILLY, BUT NO NEW RECORDS; CLEAR, DRY, BEAUTIFUL FALL DAY The temperature fell steadily from 64F yesterday evening through sunrise, with a low temperature bottoming out at 40F (39.9F to be exact). This was the coolest temperature recorded on the summit since May 26. This morning’s low was only 2 degrees off of the record of 38F set in 1959. The temperature began warming up quickly after sunrise, reaching 50F shortly after 9 A.M. EDT. This afternoon’s high temperature has only reached 58F, but is several degrees warmer than the record low maximum temperature for the date of 51F set in 1954. Today’s average temperature looks to finish nearly 15 degrees below normal, pushing the average monthly temperature thus far to one degree below normal. The sky has been mostly clear today, with only a few ocean-effect clouds to our east mainly this morning and a few very small cumulus forming inland this afternoon. Some very high, very thin cirrus has filtered into the sky early this afternoon. The clean, dry air mass is allowing for crisp visibility of at least 80-85 miles. The dew point temperature has remained in the mid to upper 30s today. The sea-level atmospheric pressure is running high today, topping out late this morning near 1031 mb (30.45 inches). This is the highest pressure reading on the summit since May. It is expected to be another chilly day tomorrow, but again not likely to be cold enough to set new records: Current records for September 18 Low minimum: 36F in 1919 Low maximum: 57F in 1978 Today’s Observations: 7 A.M. Weather: Scattered stratocumulus/cumulus, few lower cumulus fractus ENE-ESE, stratocumulus and a few cumulus NE-E-S, thin smoke layer along horizon all quadrants Temperature: 44F; Dew Point: 37F; Wind: NNW at 8 kts, Wind: Direction variable NW-N Sea-level pressure: 30.40 ins. Hg, rising Visibility: 85 miles 24-hr precip: 0.02 inch 6-hr min. temp: 40F BHO SA 1155 35 SCT 85 293/44/37/3408/040/ FEW LWR CUFRA ENE-ESE SC AND FEW CU NE-E-S THN K LYR ALG HRZN ALQDS WND 31V01/ 8/500 53027 MANUAL 70002 ASOS 70001 10045 20040 10 A.M. Weather: Scattered cumulus (2 levels), cumulus mostly NE-SE-SSW, few higher small cumulus forming all quadrants Temperature: 54F; Dew Point: 36F; Wind: NNE at 9 kts, Wind: Direction variable NNW-E Sea-level pressure: 30.44 ins. Hg, rising Visibility: 85 miles BHO SA 1455 35 SCT 40 SCT 85 307/54/36/0209/044/ CU MSTLY NE-SE-SSW FEW HIER SML CU FRMG ALQDS WND 34V08/ 8/100 51014 1 P.M. Weather: Scattered thin cirrus (2 levels), few small cumulus distant E-SSW and distant NW-NNW, lower cirrus SE-SW-W, higher cirrus NE-S-NNW and overhead Temperature: 57F; Dew Point: 37F; Wind: NE at 8 kts, Wind: Direction variable N-E Sea-level pressure: 30.41 ins. Hg, falling Visibility: 80 miles 6-hr max. temp: 58F BHO SA 1755 250 –SCT 300 –BKN 80 299/57/37/0508/041/ FEW SML CU DSNT E-SSW AND DSNT NW-NNW LWR CI SE-SW-W HIER CI NE-S-NNW AND OVHD WND 01V08/ 8/101 58008 10058 20044 WEATHER SUMMARY FOR MONDAY, SEPTEMBER 16, 2013 TEMPERATURE (DEGREES F) MAX…..66 NORMAL…..72 MIN…..46 NORMAL…..55 MEAN….56 NORMAL…..63 DEPARTURE FROM 30-YEAR NORMAL………………….-7 TOTAL DEPARTURE FOR THE MONTH………………….-2 [-0.3 DEGREE/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY…………..0 DEPARTURE………-2 TOTAL COOLING UNITS FOR THE MONTH………….54 DEPARTURE………+9 TOTAL COOLING UNITS FOR THE SEASON………..694 DEPARTURE…….+112 TOTAL COOLING UNITS LAST SEASON TO DATE……764 DIFFERENCE…….-70 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………29 NNW AT 9:03 P.M. AERO…………………..31 NNW AT 7:38 P.M. ASOS…………………..31 NNW AT 9:03 P.M. DAVIS………………….27 N AT 9:03 P.M RMY 30 FASTEST MILE FOR YESTERDAY………………..22 NNW AT 9:04 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..21 NNW AT 9:04 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….18 NNW AT 9:03 P.M. AVERAGE WIND SPEED AND DIRECTION…………10.6 NW ASOS…………………10.0 DAVIS…………………9.1 WNW [293 degrees] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.02 DEPARTURE………….-0.12 ASOS…………..0.01 TOTAL PRECIPITATION FOR THE MONTH……….3.52 DEPARTURE………….+1.49 ASOS…………..3.63 TOTAL PRECIPITATION FOR THE YEAR……….41.53 DEPARTURE………….+4.48 ASOS…………..N/A* *ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 2013 CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/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 9/1 76/67/72/+4/2.32/008/01 33 S AERO 39 MPH S RMY 38 TSTM 9/2 79/67/73/+5/0.43/056/07 30 SSE AERO 33 MPH SSE RMY N/A TSTM 9/3 79/61/70/+3/0.00/219/28 28 S AERO 29 MPH S RMY 30 TSTM 9/4 78/57/68/+1/0.00/733/94 24 W AERO 25 MPH W RMY 25 9/5 66/51/59/-8/0.08/179/23 20 NNE AERO 20 MPH NNE RMY 21 9/6 68/46/57/-10/0.00/751/97 18 WSW AERO 17 MPH WSW RMY N/A 9/7 78/51/65/-1/0.00/594/77 20 WSW AERO 21 MPH WSW RMY 21 9/8 74/50/62/-4/0.00/646/84 31 NW AERO 33 MPH NW RMY 32 9/9 69/47/58/-8/T/529/69 23 SW AERO 23 MPH SSW RMY N/A 9/10 73/56/65/0/0.03/007/01 30 S AERO 32 MPH S RMY 33 9/11 93/68/81/+16/0.00/654/86 25 SW AERO 27 MPH SW RMY N/A 9/12 85/66/76/+11/0.47/…/.. 32 S AERO 33 MPH S RMY 34 TSTM 9/13 79/58/69/+5/0.17/…/.. 24 NNW AERO 25 MPH NNW RMY 23 9/14 67/52/60/-4/0.00/…/.. 21 NW AERO 21 MPH NW RMY 21 9/15 70/48/59/-5/0.00/…/.. 17 WSW AERO 18 MPH WSW RMY 20 9/16 66/46/56/-7/0.02/…/.. 29 NNW AERO 31 MPH NNW RMY 30 9/17 morning low temp: 40F; the normal low is now 54F DAILY RECORDS FOR SEPTEMBER 2013 9/1 – NEW DAILY RECORD MAXIMUM PRECIPITATION OF 2.32 INCHES; surpasses previous record of 1.60 inches set in 1927 9/11 – TIED DAILY RECORD MAXIMUM HIGH TEMPERATURE OF 93F; ties record of 93F set in 1983 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR SEPTEMBER 17 HIGH 86F IN 1915,1941,1991 LOW 38F IN 1959 PRECIP 2.73 INCHES IN 1933 PEAK GUST 60 MPH WNW IN 1999 RECORDS FOR SEPTEMBER 18 HIGH 88F IN 1906 LOW 36F IN 1919 PRECIP 4.25 INCHES IN 1996 PEAK GUST 77e MPH WNW IN 1948 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

Permitted Uses

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

  • Personal study and analysis
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  • 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
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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

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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