Sign In Become a Member
Donate
Daily Discussions

Wednesday, October 27, 2021

October 27, 2021

BLUE HILL METEOROLOGICAL OBSERVATORYMILTON, MASSACHUSETTSELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, OCTOBER 27, 2021ALL TIMES ARE IN EASTERN STANDARD…

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

WEDNESDAY, OCTOBER 27, 2021
ALL TIMES ARE IN EASTERN STANDARD TIME
SUNRISE: 0612E
SUNSET:  1644E

WINDY AND RAINY FOLLOWING THE PASSAGE OF THE NOR’EASTER….

Today we observed a maximum visibility of 2 miles and frequent wind
gusts at or around 40 mph from the northeast. The max gust seen during

this event was 66 mph earlier this morning. Event total precipitation
is 2.19 inches at the 1 P.M. observation.

Pressure is rising rapidly, with an increase of over 10 millibars
since this morning.

Conditions have remained abnormally cool throughout the course of the
day, with temperatures hanging in the mid 40’s!

The high so far today is 48F, 9 degrees below the normal max of
57F. The low since midnight is 45F, 5 degrees above the normal low
of 40F. Not much in the way of temperature variation!  

Today’s Observations:

7 A.M.
Weather: Overcast stratus, light rain ending around 6:15 A.M.
Temperature: 47F; Dew Point: 47F; Relative Humidity: 100%
Wind: NE @ 27G48 kts, peak wind NNE 66 mph at 6:24 A.M.
Sea-level pressure: 998.8 mb; 29.49 in. Hg: rising, then more rapidly
Visibility: 1 mile, fog
6-hr Max temp: 48F
6-hr Min temp: 47F
24-hr Precip: 2.01 ins.
BHO SA 1155 15 OVC 1R-F 988/47/47/0527G48/949/ R-E15 PK WND 0357/24/
8/6// 53044 70201 10048 20047

10 A.M.
Weather: Overcast stratus, light rain
Temperature: 46F; Dew Point: 46F; Relative Humidity: 100%
Wind: NE @ 17G32 kts, peak of 55 mph at 9:15 A.M.
Sea-level pressure: 1003.4 mb; 29.63 in Hg; rising, then more rapidly
Visibility: 2 miles, fog
3-hr Precip: 0.10 ins.
BHO SA 1455 15 OVC 2R-F 034/46/46/0417G32/963/ R-CTD PK WND 0348/15/
8/6// 6010/ 53046

1 P.M.
Weather: Overcast stratus, drizzle
Temperature: 45F, Dew point: 45F; Relative Humidity: 100%
Wind: NNE @ 17G30 kts, peak wind ENE 41 mph at 12:47 P.M.
Sea-level pressure: 1005.7 mb; 29.70 in Hg; rising, then more rapidly
Visibility: 1 miles, fog
6-hr Max temp: 48F
6-hr Min temp: 45F
6-hr Precip: 0.18 ins.
BHO SA 1755 15 OVC 1LF 057/45/45/0317G30/970/ LCTD PK WND 0236/47/ 8/6//
6018/ 53023 10048 20045

SUMMARY FOR TUESDAY, OCTOBER 26, 2021

TEMPERATURE (DEGREES F)
MAX…….61     NORMAL…..57
MIN…….47     NORMAL…..40
MEAN……54     NORMAL…..49

DEPARTURE FROM 30-YEAR (1991-2020) NORMAL…………… +5
TOTAL DEPARTURE FOR THE MONTH……………………..+131 [+4.8 DEGREES/DAY]

HEATING DEGREE DAYS (SEASON: JUL 2021 THRU JUN 2022)
TOTAL HEATING UNITS FOR YESTERDAY……………11  DEPARTURE……..-5
TOTAL HEATING UNITS FOR THE MONTH…………..173  DEPARTURE……-135
TOTAL HEATING UNITS FOR THE SEASON………….247  DEPARTURE……-179
TOTAL HEATING UNITS LAST SEASON TO DATE……..331  DEPARTURE…….-84

COOLING DEGREE DAYS (SEASON: JAN 2021 THRU DEC 2021)
TOTAL COOLING UNITS FOR YESTERDAY…………….0  DEPARTURE………0
TOTAL COOLING UNITS FOR THE MONTH…………….3  DEPARTURE……..-4
TOTAL COOLING UNITS FOR THE SEASON………….717  DEPARTURE…….+40
TOTAL COOLING UNITS LAST SEASON TO DATE……..831  DEPARTURE……-114

PEAK WIND GUST (MPH):
                     Official……………….49 NNE @  9:00 P.M.
                     AEROVANE (south tower)…..56 N   @  9:00 P.M.
                     VECTOR #2 (south tower)….60     @  9:00 P.M.
                     DAVIS #2 (south tower)…..45 ENE @  5:22 P.M.
                     RMY #2 (south tower)…….54 NNE @  9:00 P.M.
                     ASOS………..OUT OF SERVICE D/T RENOVATIONS
                     VECTOR #1……OUT OF SERVICE D/T RENOVATIONS
                     DAVIS #1…….OUT OF SERVICE D/T RENOVATIONS
                     RMY #1………OUT OF SERVICE D/T RENOVATIONS  
                     MERLIN………OUT OF SERVICE D/T RENOVATIONS

FASTEST MILE:
CONTACTING ANEMOMETER/OFFICIAL………………31 NNE @  7:32 P.M.
MAXIMUM 2-MINUTE VECTOR #2 AVERAGE…………..31     @  7:32 P.M.
MAXIMUM 2-MINUTE DAVIS #2 AVERAGE……………30 NE  @  7:32 P.M.
MAXIMUM 2-MINUTE RMY #2 AVERAGE……………..30 NE  @  7:32 P.M
MAXIMUM 2-MINUTE ASOS AVERAGE…….OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE DAVIS #1 AVERAGE…OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE VECTOR #1 AVERAGE..OUT OF SERVICE D/T RENOVATIONS
MAXIMUM 2-MINUTE RMY #1 AVERAGE…..OUT OF SERVICE D/T RENOVATIONS

AVERAGE WIND SPEED AND DIRECTION:
                     CONTACTING/OFFICIAL…….20.2 NNE  [484 total miles]
                     VECTOR #2……………..19.8
                     DAVIS #2………………19.8 ENE
                     RMY #2………………..19.3 ENE
                     RMY #1…………..OUT OF SERVICE D/T RENOVATIONS
                     ASOS…………….OUT OF SERVICE D/T RENOVATIONS
                     VECTOR #1………..OUT OF SERVICE D/T RENOVATIONS
                     DAVIS #1…………OUT OF SERVICE D/T RENOVATIONS   

PRECIPITATION (INCHES) THROUGH THIS MORNING (EST):
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M…….2.01  DEPARTURE….+1.83
TOTAL PRECIPITATION FOR THE MONTH………….5.79  DEPARTURE….+1.20
TOTAL PRECIPITATION FOR THE YEAR………….52.77  DEPARTURE….+9.77

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   64/44/54/-4/0.00/583/83          20 WNW AERO 20 WNW RMY N/A
10/02   73/47/60/+2/0.00/567/81          24 WSW AERO 23 WSW RMY N/A
10/03   65/55/60/+3/0.09/070/10          19 E   AERO 19 E   RMY N/A
10/04   59/51/55/-2/1.69/000/00          30 E   AERO 30 E   RMY N/A
10/05   58/50/54/-3/0.30/000/00          22 NNE AERO 23 NE  RMY N/A
10/06   69/50/60/+4/0.00/407/59          15 N   AERO 16 N   RMY N/A
10/07   73/55/64/+8/0.00/550/80          15 WSW AERO 15 W   RMY N/A
10/08   69/55/62/+7/T/616/90             24 ENE AERO 23 ENE RMY N/A
10/09   62/54/58/+3/0.01/273/40          23 E   AERO 23 E   RMY N/A
10/10   62/54/58/+3/T/000/00             22 E   AERO 21 E   RMY N/A
10/11   67/56/62/+8/0.01/…/..          20 NE  AERO 21 NE  RMY N/A
10/12   72/54/63/+9/0.00/…/..          15 SW  AERO 15 SW  RMY N/A
10/13   75/55/65/+11/0.00/…/..         18 SW  AERO 18 SW  RMY N/A
10/14   73/56/65/+12/0.00/…/..         19 N   AERO 20 N   RMY N/A
10/15   74/55/67/+14/0.00/…/..         24 S   AERO 24 SSW RMY N/A
10/16   73/59/66/+14/0.06/…/..         43 S   AERO 50 S   RMY 44
10/17   62/47/55/+3/0.25/…/..          32 WNW AERO 31 WNW RMY 31
10/18   60/42/51/-1/0.01/…/..          31 NW  AERO 32 NW  RMY 33
10/19   59/40/50/-1/0.00/…/..          35 WNW AERO 37 W   RMY 38
10/20   70/49/60/+9/0.00/…/..          23 W   AERO 23 W   RMY 23
10/21   74/56/65/+14/0.00/…/..         30 SSW AERO 32 S   RMY 32
10/22   71/51/61/+11/0.00/…/..         27 S   AERO 30 S   RMY 29
10/23   60/44/52/+2/0.00/…/..          24 NW  AERO 22 NW  RMY 24
10/24   57/37/47/-3/0.01/…/..          25 NNW AERO 25 NNW RMY 25
10/25   56/47/52/+3/0.63/…/..          29 NE  AERO 30 NE  RMY 32
10/26   61/47/54/+5/…./…/..          49 NNE AERO 56 N   RMY 54

10/27   The low since midnight is 47F, the daily normal low is 40F

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

RECORDS FOR OCTOBER 27
HIGH 83F IN 1963
LOW 21F IN 1936
PRECIP 2.08 INCHES IN 2018
SNOW 2.5 INCHES IN 2011
WIND 54 MPH WNW IN 1968, 54 NE IN 2018

RECORDS FOR OCTOBER 28
HIGH 81F IN 1919
LOW 23F IN 1914
PRECIP 2.46 INCHES IN 2006
SNOWFALL TRACE IN 1891,1934,1957,1979
PEAK GUST 71 MPH SSW IN 1995

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