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Thursday, August 1, 2013

August 1, 2013

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

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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, AUGUST 1, 2013 ALL TIMES ARE IN EASTERN STANDARD TIME JULY 2013 PRELIMINARY STATISTICS: (departures relative to 1981-2010 average) TEMPERATURE: Average Max Temp: 83.2F [+2.4F] Average Min Temp: 66.9F [+4.0F] Mean Temp: 75.1F [+3.2F] 24-hr. Corr. Mean Temp: 74.1F [+3.3F] Max Temp: 95F on 19th Min Temp: 57F on 25th Total heating degree day units (month): 6 [-3] *NCDC method Total heating degree day units (season): 6 [-3] *start July 1 (NCDC) Total cooling degree day units (month): 327 [+105] *NCDC method Total cooling degree day units (season): 483 [+132] *start Jan 1 (NCDC) PRECIPITATION: Total precipitation: 3.09 inches [-0.93 inch] Greatest 24-hr precipitation: 1.03 on 25th/26th WIND: Avg wind speed: 9.5 MPH Avg corrected wind speed: 10.1 MPH Prevailing wind direction: SW [12%] Peak gust: 38 MPH SSW on 7th Peak fastest mile: 32 MPH SSW on 7th SUNSHINE: Astronomical minutes: 14,428 of a possible 27,729 or 52% BHO Warmest July’s, deg F (1885-2013) 1) 75.1 in 2010 2) 74.9 in 1952 3) 74.1 in 1994 74.1 in 2013 5) 74.0 in 2011 6) 73.8 in 1999 7) 73.5 in 1949 8) 73.2 in 2012 The average maximum of 83.2 is 13th warmest, but the average minimum of 66.9 is the WARMEST on record for July and for any month of the year. The breaks the previous record of 65.9 in 2010 by an entire degree F. The ranking below is the same for July and for all months of the year, since the warmest average minimum in any other month is the August record of 64.9. BHO Warmest July Average Minimum Temperature, deg F (1885-2013) 1) 66.9 in 2013 2) 65.9 in 2010 3) 65.6 in 1994 4) 65.3 in 2006 5) 65.1 in 2008 BHO Greatest Number of 90-Degree Days per Month, (1885-2013) 1) 14 in July 1952 2) 13 in August 2002 3) 10 in August 1944 10 in July 1949 10 in July 1963 10 in July 2010 10 in July 2013 8) 9 in July 1911 9 in August 1928 10) 8 in August 1949 8 in July 1963 8 in July 1988 Today’s Observations: 7 A.M. Weather: Scattered altocumulus, lenticularis all quadrants, thin scattered cirrus Temperature: 69F; Dew Point: 64F; Wind: S at 5 kts, Sea-level pressure: 30.03 ins. Hg, rising slightly Visibility: 20 miles, except 15 miles SW-NW, thin fog and hazy 6-hr min. temp: 62F BHO SA 1155 180 SCT 220 –SCT 250 –SCT 20 170/69/64/1705/003/ ACSL ALQDS VSBY SW-NW 15 THN F HAZY ALQDS/ 8/041 53001 10067 20062 10 A.M. Weather: Scattered cumulus, moderate cumulus, scattered altocumulus, few lenticularis Temperature: 77F; Dew Point: 61F; Wind: S at 4 kts, Wind: Light and variable Sea-level pressure: 30.00 ins. Hg, falling then more rapidly Visibility: 30 miles, distant haze, BHO SA 1455 35 SCT 180 SCT 30 158/77/61/1704/000/ CU/MDT CU ALQDS FEW ACSL DSNT HZ WND L/V/ 8/240 58012 1 P.M. Weather Scattered cumulus, broken moderate cumulus, broken altocumulus, altocumulus lenticularis (2 levels), overcast mostly thin cirrus at 22,000 ft. Temperature: 81F; Dew Point: 62F; Wind: S at 10 kts Wind: Direction variable SSE to SSW Sea-level pressure: 29.96 ins. Hg, falling then more slowly Visibility: 40 miles, distant haze 6-hr max. temp: 81F BHO SA 1755 42 SCT E55 BKN 130 BKN 220 OVC 40 144/81/62/1810/996/ MDT CU ALQDS DRK BASES ACSL/FEW ACCG 220 LYR MSTLY THN WND 15V21/ 8/241 56014 10081 20069 WEATHER SUMMARY FOR WEDNESDAY, JULY 31, 2013 TEMPERATURE (DEGREES F) MAX…..80 NORMAL…..81 MIN…..61 NORMAL…..63 MEAN….71 NORMAL…..72 DEPARTURE FROM 30-YEAR NORMAL…………………-1 TOTAL DEPARTURE FOR THE MONTH……………….+113 [+3.4 DEGREES/DAY] PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY…………….16 S AT 9:04 P.M. AERO…………………15 S AT 9:04 P.M. ASOS…………………19 S AT 9:04 P.M. DAVIS………………..15 S AT 9:03 P.M. RMY 16 FASTEST MILE FOR YESTERDAY………………11 SSE AT 8:10 P.M. * MAXIMUM 2-MINUTE ASOS AVERAGE……………12 S AT 9:05 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………..11 S AT 9:05 P.M. AVERAGE WIND SPEED AND DIRECTION………..6.7 WNW ASOS………………..6.2 DAVIS……………….6.2 W [280 deg.] * last of several occurrences… PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00 DEPARTURE…………-0.15 ASOS…………..0.00 TOTAL PRECIPITATION FOR JULY……………3.09 DEPARTURE…………-0.93 ASOS…………..3.05 TOTAL PRECIPITATION FOR THE YEAR……….35.29 DEPARTURE…………+4.30 ASOS…………..N/A* *ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals PRELIMINARY CLIMATE SUMMARY FOR JULY 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 7/1 82/69/76/+6/0.05/247/27 29 S AERO 31 MPH SSW RMY 32 7/2 82/61/72/+2/T/100/11 23 SSW AERO 23 MPH SSW RMY 25 7/3 87/62/75/+4/T/556/61 28 SW AERO 30 MPH SW RMY 30 7/4 90/71/81/+10/0.00/811/89 25 WSW AERO 26 MPH SW RMY 28 7/5 92/73/83/+12/0.00/874/96 24 W AERO 25 MPH WSW RMY 25 7/6 90/73/82/+11/0.00/836/92 25 WNW AERO 25 MPH WNW RMY 26 7/7 91/72/82/+11/0.21/508/56 38 SSW AERO 43 MPH SSW RMY 44 TSTM 7/8 82/64/73/+1/0.04/617/68 18 NE AERO 20 MPH NE RMY 20 TSTM 7/9 72/63/68/-4/0.01/054/06 14 ENE AERO 14 MPH ENE RMY 14 7/10 84/65/75/+3/T/335/37 32 S AERO 36 MPH S RMY 35 7/11 79/69/74/+2/0.62/009/01 23 W AERO 23 MPH W RMY N/A TSTM 7/12 70/62/66/-6/0.00/162/18 29 NE AERO 29 MPH NE RMY 30 7/13 75/62/69/-3/0.08/009/01 21 ENE AERO 20 MPH ENE RMY N/A 7/14 89/71/80/+8/0.00/477/53 16 W AERO 16 MPH W RMY 16 7/15 91/72/82/+10/0.00/665/74 17 NW AERO 16 MPH NW RMY 18 7/16 91/71/81/+9/0.00/843/94 18 NNW AERO 16 MPH NNW RMY 16 7/17 93/74/84/+12/0.00/841/94 22 SW AERO 23 MPH SW RMY 25 7/18 90/75/83/+11/0.00/724/81 20 S AERO 21 MPH S RMY 22 7/19 95/76/86/+14/0.00/723/81 36 WSW AERO 38 MPH WSW RMY 38 7/20 93/72/82/+10/0.00/570/64 29 W AERO 30 MPH W RMY 31 TSTM 7/21 82/68/75/+3/0.00/568/64 16 NE AERO 16 MPH NE RMY 17 7/22 80/67/74/+2/T/514/58 17 NE AERO 17 MPH NE RMY 19 TSTM 7/23 82/68/75/+3/0.82/159/18 35 WSW AERO 36 MPH WSW RMY 39 7/24 84/64/74/+2/0.00/627/71 23 N AERO 23 MPH N RMY 23 7/25 64/57/61/-11/0.43/000/00 24 NNE AERO 24 MPH NNE RMY 25 7/26 67/59/63/-9/0.70/000/00 23 NNW AERO 23 MPH N RMY 23 7/27 82/60/71/-1/0.00/535/61 22 S AERO 23 MPH S RMY 23 7/28 78/66/72/0/0.03/149/17 16 ENE AERO 16 MPH ENE RMY 15 7/29 81/66/74/+2/0.10/…/.. 20 S AERO 18 MPH S RMY 21 TSTM 7/30 81/61/71/-1/0.00/…/.. 20 WNW AERO 18 MPH WNW RMY 20 7/31 80/61/71/-1/0.00/…/.. 16 S AERO 15 MPH S RMY 16 8/1 morning low temp: 62F; the normal low is now 63F DAILY RECORDS FOR JULY 2013 7/14 – TIED DAILY RECORD HIGH MINIMUM TEMPERATURE OF 71F; ties previous record of 71F set in 1997 7/15 – NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 72F; surpasses previous record of 70F set in 1901, 1934, 1995 7/16 – TIED DAILY RECORD HIGH MINIMUM TEMPERATURE OF 71F; ties previous record of 71F set in 1901, 1958, 1968 7/17 – TIED DAILY RECORD HIGH MINIMUM TEMPERATURE OF 74F; ties previous record of 74F set in 1900 7/18 – NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 75F; surpasses previous record of 73F set in 1900, 1999 7/19 – NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 76F; surpasses previous record of 72F set in 1949, 1991, 2005 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR AUGUST 1 HIGH 97F IN 1917 LOW 49F IN 1891 PRECIP 3.61 INCHES IN 1927 PEAK GUST 41 MPH NNW IN 1985 RECORDS FOR AUGUST 2 HIGH 101F IN 1975 [STATION RECORD MAXIMUM – Tied with 8/10/1949] LOW 50 IN 1929, 1947 PRECIP 1.59 INCHES IN 1946 PEAK GUST 50 MPH SW IN 2006 TODAY’S REPORT PREPARED BY: Robert Skilling/Marc Douglas/Mark Medlinskas
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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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