Sign In Become a Member
Donate
Daily Discussions

Wednesday, October 17, 2018

October 17, 2018

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

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
WEDNESDAY, OCTOBER 17, 2018
ALL TIMES ARE IN EASTERN STANDARD TIME

FAIR AUTUMN WEATHER WITH INCREASING WIND IN THE
AFTERNOON….

The sky had very few clouds since this morning, but cloud cover
increased in the early afternoon. Wind intensified following the
1 P.M. observation, remaining from the west. Multiple gusts above
30 mph have been observed. The high temperature so far today is
60F, which is the same as the daily normal. The low since midnight
is 39F, which is 3 degrees below the normal minimum of 42F.

Today’s Observations:

7 A.M.
Weather: Scattered cirrus, few distant cumulus SW-NW
Temperature: 41F; Dew Point: 36F; Wind: W at 9G15 kts
Sea-level pressure: 29.91 ins. Hg, falling steadily
Visibility: 40 miles, smoke layer along horizon
6-hr Max temp: 52F
6-hr Min temp: 39F
24-hr Precip: 0.00 ins.
BHO SA 1155 250 SCT 40 128/41/36/2209G15/991/ K LYR ALG HRZN/
8/005 56014 10052 20039

10 A.M.
Weather: Scattered cirrostratus
Temperature: 53F; Dew Point: 34F; Wind: W at 9G16 kts
Sea-level pressure: 29.87 ins. Hg, falling steadily
Visibility: 70 miles
3-hr Precip: 0.00 ins.
BHO SA 1455 250 SCT 70 116/53/34/2209G16/987/ 8/005 58012

1 P.M.
Weather: Broken cumulus
Temperature: 59F; Dew Point: 38F; Wind: W at 13G23 kts,
Peak wind: 30 mph (26 kts) W at 12:20 P.M.
Sea-level pressure: 29.77 ins. Hg, falling rapidly
Visibility: 40 miles, distant haze SW-NW
6-hr Max temp: 60F
6-hr Min temp: 41F
6-hr Precip: 0.00 ins.
BHO SA 1755 E55 BKN 40 080/59/38/2818G23/977/ DSNT HZ
SW-NW PK WND 2826/20/ 8/100 56036 10060 20041

SUMMARY FOR TUESDAY, OCTOBER 16, 2018

TEMPERATURE (DEGREES F)
MAX…..56   NORMAL…..60
MIN…..41   NORMAL…..43
MEAN….49   NORMAL…..51

DEPARTURE FROM 30-YEAR NORMAL…………………..-2
TOTAL DEPARTURE FOR THE MONTH…………………..49 [+2.9 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON JUL TO JUN)
TOTAL HEATING UNITS FOR YESTERDAY…………..16   DEPARTURE………+2
TOTAL HEATING UNITS FOR THE MONTH………….132   DEPARTURE……..-46
TOTAL HEATING UNITS FOR THE SEASON…………219   DEPARTURE…….-101
TOTAL HEATING UNITS LAST SEASON TO DATE…….162   DIFFERENCE…….+57

COOLING DEGREE DAYS (SEASON JAN TO DEC)
TOTAL COOLING UNITS FOR YESTERDAY……………0  DEPARTURE………..0
TOTAL COOLING UNITS FOR THE MONTH…………..11  DEPARTURE……….+6
TOTAL COOLING UNITS FOR THE SEASON…………874  DEPARTURE……..+272
TOTAL COOLING UNITS LAST SEASON TO DATE…….727  DIFFERENCE…….+147

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY………………..48 W   AT 2:40   A.M.
AERO…………………….60 W   AT 2:46   A.M.
ASOS…………………….50 NW  AT 12:16  A.M.
DAVIS……………………53 WNW AT 12:16  A.M. RMY N/A
FASTEST MILE FOR YESTERDAY………………….38 W   AT  2:46  A.M.
MAXIMUM 2-MINUTE ASOS AVERAGE……………….35 NW  AT  2:49  A.M.
MAXIMUM 2-MINUTE DAVIS AVERAGE………………38 WNW AT  2:49  A.M.
AVERAGE WIND SPEED AND DIRECTION……………16.1 W
ASOS……………………15.8
DAVIS…………………..16.4 WNW [284 deg.]

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 THE MONTH……….2.75  DEPARTURE……+0.38
ASOS…………..2.73
TOTAL PRECIPITATION FOR THE YEAR……….49.95  DEPARTURE……+8.68
ASOS………….51.65

PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 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

9/01 75/58/67/-1/0.00/521/66        17 NE  AERO 15 NE  RMY 16
9/02 83/61/72/+4/0.00/684/87        20 SSW AERO 18 SSW RMY N/A
9/03 92/68/80/+13/0.00/650/83       24 WSW AERO 22 WSW RMY 25
9/04 88/70/79/+12/0.00/695/89       17 W   AERO 16 W   RMY 17
9/05 89/67/78/+11/0.00/638/82       23 SSW AERO 23 SSW RMY 25
9/06 92/70/81/+14/0.56/488/63       29 NNW AERO 29 NNW RMY N/A TSTM
9/07 70/63/67/+1/0.01/000/00        24 NE  AERO 22 NE  RMY N/A
9/08 68/54/61/-5/0.00/031/04        22 NE  AERO 18 NE  RMY 21
9/09 61/53/57/-9/0.00/000/00        23 NE  AERO 21 NE  RMY N/A
9/10 62/56/59/-6/0.94/000/00        30 E   AERO 28 E   RMY 28
9/11 75/61/68/+3/0.43/000/00        23 E   AERO 21 E   RMY N/A TSTM
9/12 69/63/66/+1/0.43/000/00        21 ENE AERO 21 ENE RMY 21  TSTM
9/13 68/62/65/+1/0.57/091/12        21 NE  AERO 21 NE  RMY N/A TSTM
9/14 75/61/68/+4/0.00/233/31        13 NE  AERO 12 ENE RMY 12
9/15 76/62/69/+5/0.01/218/29        14 SW  AERO 13 SW  RMY 13
9/16 84/61/73/+10/0.00/695/93       15 S   AERO 14 S   RMY N/A
9/17 82/64/73/+10/0.01/372/50       22 SSW AERO 22 SSW RMY N/A
9/18 74/67/71/+9/3.34/000/00        31 SSW AERO 30 SSW RMY N/A TSTM
9/19 66/57/62/0/0.09/007/01         28 NE  AERO 25 NE  RMY 26
9/20 63/55/59/-3/0.00/110/15        22 NE  AERO 21 NE  RMY 19
9/21 70/55/63/+2/0.00/352/48        37 SSW AERO 37 SSW RMY 41
9/22 70/51/61/0/0.07/175/24         37 SW  AERO 36 SW  RMY 30
9/23 60/47/54/-6/0.00/058/08        14 N   AERO 13 N   RMY N/A
9/24 55/50/53/-7/0.00/000/00        37 ENE AERO 35 ENE RMY 35
9/25 68/51/60/0/1.74/000/00         36 SE  AERO 37 SE  RMY 38
9/26 79/66/73/+14/0.39/244/34       35 SSW AERO 37 SSW RMY 37
9/27 66/56/61/+2/0.17/465/65        26 NNE AERO 25 NNE RMY 28
9/28 56/52/54/-4/0.49/029/04        24 NNE AERO 21 NNE RMY 23
9/29 71/50/61/+3/0.00/518/73        20 NW  AERO 18 NW  RMY 20
9/30 68/48/58/0/0.00/650/92         20 W   AERO 16 W   RMY N/A

DAILY RECORDS FOR SEPTEMBER

09/04/18: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 70F,
BREAKS PREVIOUS RECORD OF 68F SET IN 1937 AND 1959

09/06/18: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 92F,
TIES PREVIOUS RECORD OF 92F SET IN 1900

PRELIMINARY CLIMATE SUMMARY FOR OCTOBER 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

10/01 65/53/59/+2/…./042/06         21 ENE AERO 18 SSW RMY N/A
10/02 64/53/59/+2/…./000/00         33 S   AERO 32 S   RMY 35 TSTM
10/03 60/52/56/0/…./000/00          18 NNE AERO 14 NNE RMY 14
10/04 69/57/63/+7/…./209/30         29 SSW AERO 29 SSW RMY 32
10/05 64/47/56/0/…./638/92          25 NE  AERO 21 NE  RMY 24
10/06 64/45/55/0/0.00/276/40          23 SSW AERO 23 SSW RMY 25
10/07 75/56/66/+11/…./076/11        28 NE  AERO 24 ENE RMY 27
10/08 56/53/55/+1/…./000/00         22 ENE AERO 20 ENE RMY N/A
10/09 75/56/66/+12/…./211/31        26 WSW AERO 28 SW  RMY 29
10/10 82/65/74/+20/…./496/73        24 WSW AERO 23 WSW RMY 25
10/11 70/56/63/+10/…./…/..        48 NNE AERO 47 NNE RMY 50
10/12 59/44/52/-1/…./…/..         32 NW  AERO 32 NW  RMY 33
10/13 49/40/45/-8/…./…/..         21 WNW AERO 20 WNW RMY 20
10/14 55/37/46/-6/…./…/..         21 W   AERO 18 W   RMY 21
10/15 66/44/55/+3/…./…/..         46 W   AERO 46 W   RMY N/A
10/16 56/41/49/-2/…./…/..         48 W   AERO 48 W   RMY N/A

10/17 Low temp since midnight is 39F; normal low is 42F

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

RECORDS FOR OCTOBER 17
HIGH 86F IN 1947
LOW 25F IN 1886
PRECIP 1.87 INCHES IN 1989
SNOWFALL TRACE IN 1970
PEAK GUST 55 MPH NE IN 1964

RECORDS FOR OCTOBER 18
HIGH 82F IN 1908
LOW 26F IN 1939
PRECIP 2.79 INCHES IN 1975
SNOWFALL 3.0 INCHES IN 2009
PEAK GUST 66 MPH S IN 1967

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