Sign In Become a Member
Donate
Daily Discussions

Monday, May 8, 2017

May 8, 2017

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

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

DAILY DISCUSSION AND CLIMATE SUMMARY
MONDAY, MAY 8, 2017
ALL TIMES ARE IN EASTERN STANDARD TIME

COOL DAY WITH EARLY MORNING RAIN SHOWER

Light drizzle turned to light rain around 6:00AM EST
this morning and lasted for about an hour.  Distant
showers were observed throughout the day, but no other
precip. fell at BHO by 1:00PM.  Temperatures have
remained cooler than average.  A low of 39F occurred
early this morning, and the max. by 1:00PM was only 54F.
The average temperature for today is 55F.  Conditions
were favorable for very clear visibility today, remaining
at 80 miles during each observation.

Today’s Observations:

7 A.M.
Weather: Few cumulus in all directions, broken stratocumulus
Temperature: 44F; Dew Point: 35F; Wind: W at 13G20 kts
Sea-level pressure: 29.76 ins. Hg, rising unsteadily
Visibility: 80 miles
6-hr Max temp: 45F
6-hr Min temp: 39F
24-hr precip: Trace
BHO SA 1155 E54 BKN 80 077/44/35/2613G20/976/ FEW CU ALQDS/
8/500 52025 10045 20039

10 A.M.
Weather: Broken stratocumulus, distant showers WNW
Temperature: 50F; Dew Point: 30F; Wind: WSW at 14G23 kts
Sea-level pressure: 29.78 ins. Hg, steady then rising
Visibility: 80 miles
BHO SA 1455 E40 BKN 80 083/50/30/2514G23/978/ DSNT SHWRS
WNW 8/500 53006

1 P.M.
Weather: Broken stratocumulus, distant showers WSW
Temperature: 50F; Dew Point: 31F; Wind: WSW at 11G20 kts
Sea-level pressure: 29.78 ins. Hg, falling then rising
Visibility: 80 miles
6-hr Max temp: 54F
6-hr Min temp: 43F
BHO SA 1755 E49 BKN 80 084/50/31/2411G20/978/
VSBY WSW 40 DSNT SHWRS WSW/ 8/500 53001 10054 20043

SUMMARY FOR SUNDAY, MAY 7, 2017

TEMPERATURE (DEGREES F)
MAX…..63   NORMAL…..64
MIN…..47   NORMAL…..45
MEAN….55   NORMAL…..55

DEPARTURE FROM 30-YEAR NORMAL……………………..0
TOTAL DEPARTURE FOR THE MONTH…………………….-8 [-1.3 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..10   DEPARTURE……….-1
TOTAL HEATING UNITS FOR THE MONTH…………..87   DEPARTURE……….+5
TOTAL HEATING UNITS FOR THE SEASON………..5420   DEPARTURE……..-697
TOTAL HEATING UNITS LAST SEASON TO DATE……5125   DIFFERENCE…….+295

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY……………….35 S  AT 3:31 P.M.
AERO……………………38 S  AT 3:30 P.M.
ASOS……………………38 S  AT 3:54 P.M.
DAVIS…………………..37 SW AT 3:28 P.M. RMY 39
FASTEST MILE FOR YESTERDAY…………………28 S  AT 3:31 P.M.
MAXIMUM 2-MINUTE ASOS AVERAGE………………29 S  AT 3:32 P.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE……………..27 SW AT 3:17 P.M.
AVERAGE WIND SPEED AND DIRECTION………….17.0 S
ASOS………………….17.1
DAVIS…………………14.2 SSW [210 deg.]

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…TRACE  DEPARTURE……-0.13
ASOS…………..0.00
TOTAL PRECIPITATION FOR THE MONTH……….1.22  DEPARTURE……+0.35
ASOS…………..1.27
TOTAL PRECIPITATION FOR THE YEAR……….22.03  DEPARTURE……+2.61
ASOS……………N/A ***
*** ASOS annual total not available due to erroneous readings

PRELIMINARY CLIMATE SUMMARY FOR MAY 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

5/1  50/43/47/-6/T/…/..                  21 N   AERO 18 N   RMY 22
5/2  65/42/54/+1/0.26/…/..               41 W   AERO 44 W   RMY 43
5/3  52/42/53/0/0.00/…/..                37 WNW*AERO 39 WNW RMY 40
5/4  65/40/53/-1/…./…/..               23 S   AERO 23 S   RMY 24
5/5  51/44/48/-6/…./…/..               28 E   AERO 28 E   RMY N/A
5/6  65/50/58/+4/…./…/..               46 SSE AERO 48 SSE RMY 49
5/7  63/47/55/0/…./…/..                35 S   AERO 38 S   RMY 39

5/8  Low temp since midnight is 39F; normal low is now 45F

DAILY RECORDS FOR MAY

None so far.

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

RECORDS FOR MAY 8
HIGH 89F IN 2000
LOW 29F IN 1956
PRECIP 1.48 INCHES IN 1886
SNOWFALL TRACE IN 1898, 1947
PEAK GUST 68e MPH NNW IN 1943

RECORDS FOR MAY 9
HIGH 93F IN 2000
LOW 31F IN 1947
PRECIP 2.72 INCHES IN 1954
SNOWFALL 5.0 INS IN 1977 (RECORD FOR MAY)
PEAK GUST 70e MPH NE IN 1977

TODAY’S REPORT PREPARED BY: Cecilia Borries-Strigle, Nicholas Rousseau

facebookShare on Facebook
TwitterPost on X
FollowFollow us
PinterestSave
←
→
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
Main Menu