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Wednesday, August 12, 2020

August 12, 2020

BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, AUGUST 12, 2020 ALL TIMES ARE…

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA WEDNESDAY, AUGUST 12, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME DAY FOUR OF HEAT WAVE ON TOP OF GREAT BLUE HILL…. Today was another abnormally hot day on top of Great Blue, making day four of our heat wave. The high temperature so far was 92F right around the 1 o’clock EST observation, matching yesterday’s high temperature. Visibility today was better than it has been with Monadnock visible after the 10 o’clock EST observation. Humidity has been dropping through the day which corresponded with a decrease in haze in all directions. After 1 o’clock, cumulus clouds have been gaining height, improving chances for a shower or storm later on today. Cloud cover has also increased as the day progressed. PRELIMINARY STATS FOR JULY 2020 TEMPERATURE, Deg. F Avg. Max. 83.5 [+2.7] Avg. Min. 66.0 [+3.1] Mean      74.8 [+2.9] 24-hour corrected mean: 73.6 Max. for month: 95F on the 28th Min. for month: 57F on the 16th COOLING DEGREE DAYS Total cooling units:    303  [+81] Total for the season:   487  [+136] Total for last season:  411 PRECIPITATION, Inches Total: 1.72 [-2.30] Greatest in 24 hrs: N/A WIND, mph Avg. uncorrected wind speed: 9.1 mph Avg. corrected wind speed:   9.8 mph Prevailing wind direction:   S [12%] Peak gust and direction:     39 S on the 11th SUNSHINE: Campbell-Stokes card minutes: 15300 minutes of a possible 26682 or 57% Astronomical total minutes: 15879 minutes of a possible 27720 or 57% Today’s Observations: 7 A.M. Weather: Few cumulus S-SE, scattered altocumulus, scattered cirrostratus Temperature: 76F; Dew Point: 70F; Relative Humidity: 82% Wind: SW at 7 kts Sea-level pressure: 30.01 ins. Hg: Falling then steady Visibility: 30 miles, hazy 6-hr Max temp: 76F 6-hr Min temp: 74F 24-hr Precip: 0.00 ins. BHO SA 1155 140 SCT 300 SCT 30 164/76/70/2607/001/ FEW CU S-SE HAZY/ 8/136 53015 10076 20074 10 A.M. Weather: Scattered altocumulus, scattered cirrostratus Temperature: 86F; Dew Point: 65F; Relative Humidity: 73% Wind: W at 6 kts Sea-level pressure: 30.01 ins. Hg: Rising then falling Visibility: 70 miles 3-hr Precip: 0.00 ins. BHO SA 1455 150 SCT 250 SCT 70 164/86/65/2606/001/ FEW CU ALQDS/ 8/136 50000 1 P.M. Weather: Broken stratocumulus, broken altocumulus, broken cirrostratus Temperature: 92F; Dew Point: 71F; Relative Humidity: 51% Wind: WNW at 8 kts Sea-level pressure: 30.01 ins. Hg: Falling, then steady Visibility: 70 miles 6-hr Max temp: 92F 6-hr Min temp: 76F 6-hr Precip: 0.00 ins. BHO SA 1755 90 BKN 150 BKN 250 BKN 70 162/92/71/2908/001/ 8/435 56002 10092 20076 SUMMARY FOR TUESDAY, AUGUST 11, 2020 TEMPERATURE (DEGREES F) MAX…..92   NORMAL…..80 MIN…..72   NORMAL…..63 MEAN….82   NORMAL…..71 DEPARTURE FROM 30-YEAR NORMAL……………..+11 TOTAL DEPARTURE FOR THE MONTH……………..+66 [+5.8 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY……………..17  DEPARTURE……+10 TOTAL COOLING UNITS FOR THE MONTH…………….141  DEPARTURE……+63 TOTAL COOLING UNITS FOR THE SEASON……………628  DEPARTURE…..+199 TOTAL COOLING UNITS LAST SEASON TO DATE……….493  DEPARTURE…..+135 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………..31 SSW AT  4:29 P.M. AERO…………………….35 SSW AT  4:29 P.M. ASOS…………………….33 S   AT  4:30 P.M. DAVIS……………………33 S   AT  3:56 P.M RMY 31  MERLIN 32 FASTEST MILE FOR YESTERDAY………………….24 SSW AT  4:30 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………….23 S   AT  3:57 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE………………22 S   AT  3:57 P.M. AVERAGE WIND SPEED AND DIRECTION…………… 12.3 SSW ASOS…………………… 12.1 DAVIS………………….. 11.2 SSW [204 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.13 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….0.23  DEPARTURE……-1.36 ASOS…………..0.23 TOTAL PRECIPITATION FOR THE YEAR……….29.30  DEPARTURE……-3.28 ASOS………….30.04 PRELIMINARY CLIMATE SUMMARY FOR JULY 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 07/01  76/63/70/0/0.00/228/25              16 E    AERO 14 E    RMY 14  TSTM 07/02  86/61/74/4/0.00/803/88              30 WSW  AERO 25 WSW  RMY 33 07/03  73/60/67/-4/0.00/091/10             30 NE   AERO 28 NE   RMY 30 07/04  79/60/70/-1/0.00/565/62             16 S    AERO 16 S    RMY 16 07/05  83/63/73/+2/0.54/373/41             24 NW   AERO 30 NW   RMY 26  TSTM 07/06  73/60/67/-4/0.00/482/53             20 ENE  AERO 16 NNE  RMY 18 07/07  78/60/69/-2/0.00/454/50             25 S    AERO 25 S    RMY 26 07/08  83/64/74/+2/0.00/227/25             32 SSW  AERO 32 SSW  RMY 32 07/09  89/70/80/+8/0.00/834/92             24 S    AERO 23 S    RMY 22 07/10  83/70/77/+5/0.05/109/12             30 SSE  AERO 32 SSE  RMY N/A 07/11  85/70/78/+6/0.00/614/68             39 S    AERO 39 S    RMY 38 07/12  86/70/78/+6/0.00/830/92             28 WSW  AERO 28 WSW  RMY 29 07/13  82/69/76/+4/0.23/306/34             30 SSE  AERO 31 SSE  RMY 30  TSTM 07/14  78/63/71/-1/0.00/369/41             26 ENE  AERO 25 ENE  RMY 26 07/15  72/59/66/-6/0.00/539/60             21 NE   AERO 21 NE   RMY N/A 07/16  73/57/65/-7/0.00/815/91             21 E    AERO 21 E    RMY 19 07/17  71/57/64/-8/0.19/027/03             24 SSW  AERO 24 SSW  RMY 25 07/18  89/66/78/+6/0.00/822/92             18 W    AERO 17 W    RMY 19 07/19  92/69/81/+9/0.00/722/81             28 S    AERO 28 S    RMY 26 07/20  91/72/82/+10/T/481/54               25 SSW  AERO 25 SSW  RMY N/A 07/21  88/68/78/+6/0.00/799/90             25 W    AERO 25 W    RMY 24 07/22  80/67/74/+2/…./275/31             16 ENE  AERO M  M    RMY 16 07/23  88/68/78/+6/0.48/203/23             31 N    AERO 32 N    RMY 31  TSTM 07/24  81/68/75/+3/0.00/476/54             15 ENE  AERO 15 ENE  RMY 16 07/25  88/67/78/+6/0.00/845/96             18 W    AERO 18 WNW  RMY N/A 07/26  89/70/80/+8/0.00/632/72             27 W    AERO 28 W    RMY 27 07/27  94/72/83/+11/0.00/823/94            23 SW   AERO 25 SW   RMY N/A 07/28  95/74/85/+13/0.01/621/71            28 WSW  AERO 25 WSW  RMY 25 07/29  90/68/79/+7/0.00/698/80             23 SSW  AERO 25 SSW  RMY 24 07/30  88/71/80/+8/0.00/252/29             29 W    AERO 28 W    RMY 29 07/31  84/69/77/+5/0.00/564/65             14 ENE  AERO 14 ENE  RMY 15 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  The low since midnight is 74F, 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 12 HIGH 99F IN 1944 LOW 48F IN 1930 PRECIP 1.89 INCHES IN 1979 PEAK GUST 50 MPH NE IN 1983 RECORDS FOR AUGUST 13 HIGH 98F IN 1944, 2002 LOW 47F IN 1902, 1957 PRECIP 2.92 INCHES IN 1989 PEAK GUST 52 MPH SSE IN 1963 TODAY’S REPORT PREPARED BY: Samantha Richard
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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
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  • 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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