Sign In Become a Member
Donate
Daily Discussions

Tuesday, August 18, 2020

August 18, 2020

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA TUESDAY, AUGUST 18, 2020 ALL TIMES ARE…

Agreement required — click “Accept & Continue” below to review and accept the Data Use & Privacy Policy

Access to this content requires acceptance of our Data Use & Privacy Policy.

BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

TUESDAY, AUGUST 18, 2020
ALL TIMES ARE IN EASTERN STANDARD TIME

A FAIR-WEATHER DAY WITH A COOL WESTERLY
BREEZE….

Today we observed fog this morning, that
dissipated rapidly following the 7 A.M.
observation. This was the remnants of
some rainfall that happened earlier this
morning, amounting to 0.23 inches. Humidity
has dropped off significantly, sinking to
40% by noontime. This is with a rise in
visibility, reaching 75 miles by 1 P.M.

The high so far today is 82F, 3 degrees
above the daily normal maximum of 79F.
The low since midnight is 63F, a degree
above the normal minimum of 62F.

Today’s Observations:

7 A.M.
Weather: Scattered altocumulus and altostratus, with
a few stratus fractus
Temperature: 65F; Dew Point: 63F; Relative Humidity: 93%
Wind: WSW at 8 kts
Sea-level pressure: 29.82 ins. Hg: rising then steady
Visibility: 25 miles, distant fog
6-hr Max temp: 65F
6-hr Min temp: 63F
24-hr Precip: 0.23 ins.
BHO SA 1155 110 SCT 25 099/65/63/2508/982/ FEW STFRA
DSNT FG ALQDS/ 8/670 70023 53007 10065 20063

10 A.M.
Weather: Broken cumulus
Temperature: 75F; Dew Point: 62F; Relative Humidity: 63%
Wind: W at 9 kts
Sea-level pressure: 29.82 ins. Hg: steady
Visibility: 65 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 E30 BKN 65 099/75/62/2609/982/ 8/100 50000

1 P.M.
Weather: Broken cumulus
Temperature: 78F; Dew Point: 54F; Relative Humidity: 44%
Wind: WSW at 12G20 kts
Sea-level pressure: 29.81 ins. Hg: falling, then steady
Visibility: 75 miles
6-hr Max temp: 78F
6-hr Min temp: 64F
6-hr Precip: 0.00 ins.
BHO SA 1755 E70 BKN 75 096/78/54/2612G20/981/ 8/100 56003
10082 20064

SUMMARY FOR MONDAY, AUGUST 17, 2020

TEMPERATURE (DEGREES F)
MAX…..73   NORMAL…..79
MIN…..59   NORMAL…..62
MEAN….66   NORMAL…..71

DEPARTURE FROM 30-YEAR NORMAL……………..-5
TOTAL DEPARTURE FOR THE MONTH……………..+74 [+4.2 DEGREES/DAY]

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………..1   DEPARTURE…….-5
TOTAL COOLING UNITS FOR THE MONTH…………….187  DEPARTURE……+72
TOTAL COOLING UNITS FOR THE SEASON……………674  DEPARTURE…..+208
TOTAL COOLING UNITS LAST SEASON TO DATE……….526  DEPARTURE…..+148

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………..25 NE  AT  3:34 A.M.
AERO…………………….24 NE  AT  3:36 A.M.
ASOS…………………….24 NE  AT  2:23 A.M.
DAVIS……………………24 NE  AT  2:22 A.M
RMY N/A  MERLIN N/A
FASTEST MILE FOR YESTERDAY………………….16 NE  AT  2:24 A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………….16 SSW AT 10:44 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE………………17 NE  AT  2:23 A.M.
AVERAGE WIND SPEED AND DIRECTION…………….8.8 N
ASOS…………………….8.8
DAVIS……………………8.9 E [79 deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.23  DEPARTURE……+0.10
ASOS…………..0.23
TOTAL PRECIPITATION FOR THE MONTH……….0.84  DEPARTURE……-1.52
ASOS…………..0.85
TOTAL PRECIPITATION FOR THE YEAR……….29.91  DEPARTURE……-3.44
ASOS………….30.66

PRELIMINARY CLIMATE SUMMARY FOR AUGUST CALENDAR DAY DATA
DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/PEAK GUST/AERO/RMY GUST
AERO: Aerovane wind recording system gust
RMY:  R.M. Young wind gust recording system
TSTM: Thunderstorm day (thunder heard some time during day)
….: Data not yet available, records not finalized
M:    Missing data

08/01  87/66/77/+5/0.00/…/..             18 S    AERO 21 S    RMY 19
08/02  85/69/77/+5/0.02/…/..             36 S    AERO 37 S    RMY 38
08/03  91/75/83/+11/0.00/…/..            36 WSW  AERO 38 SW   RMY 36
08/04  83/71/77/5/0.21/…/..              67 SSE  AERO 71 S    RMY 70
08/05  90/68/79/+7/0.00/…/..             28 SW   AERO 30 SW   RMY 29
08/06  84/65/75/3/0.00/…/..   20 W    AERO 17 W    RMY 19
08/07  79/65/72/0/T/…/..                 16 NE   AERO 16 NE   RMY N/A
08/08  83/64/74/+2/0.00/…/..             20 S    AERO 20 S    RMY 19
08/09  90/65/78/+6/0.00/…/..             26 SSW  AERO 26 SSW  RMY 26
08/10  94/69/82/+11/0.00/…/..            22 W    AERO 20 W    RMY 20
08/11  92/72/82/+11/0.00/…/..            31 SSW  AERO 35 SSW  RMY 31  TSTM
08/12  93/74/84/+13/0.00/…/..            22 SSW  AERO 22 SW   RMY 19
08/13  88/71/80/+9/0.00/…/..             18 ENE  AERO 18 NE   RMY 18
08/14  82/67/75/+4/0.00/…/..             23 ENE  AERO 23 ENE RMY N/A
08/15  67/62/65/-6/T/…/..                33 NNE  AERO 32 NNE  RMY N/A
08/16  69/62/66/-5/…./…/..             26 ENE  AERO 28 ENE  RMY 26
08/17  73/59/66/-5/…./…/..             25 NE   AERO 24 NE   RMY N/A

08/18  The low since midnight is 63F, the daily normal low is 62F

DAILY EXTREMES
Temperature and precipitation records back to 1885, and
wind records back to 1940 (e = estimated):

RECORDS FOR AUGUST 18
HIGH 93F IN 2002
LOW 47F IN 1824
PRECIP 5.75 INCHES IN 1955 [DIANE] PEAK GUST 46 MPH WNW IN 2007

RECORDS FOR AUGUST 19
HIGH 90F IN 1906, 1966, 2002
LOW 48F IN 1958
PRECIP 7.02 INCHES IN 1955 [DIANE – RECORD FOR MONTH] PEAK GUST 78 MPH ENE IN 1991 – HURRICANE BOB

TODAY’S REPORT PREPARED BY: Benjamin Turner

Please follow and like us:
error
fb-share-icon
Tweet
fb-share-icon
←
→
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
↓ Scroll to read the full Policy — the agreement checkbox will unlock at the bottom