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Sunday, March 5, 2017

March 5, 2017

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

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY SUNDAY, MARCH 5, 2017 ALL TIMES ARE IN EASTERN STANDARD TIME Temperatures warmed up quickly after sunrise going from a low of 5 degrees up to 28 degrees by the 1 O’clock observation with very dry air in place.  Early clouds over the ocean dried up and clear skies have prevailed with gusty winds. PRELIMINARY STATS FOR FEBRUARY 2017 TEMPERATURE, Deg. F Avg. Max. 43.2 [+6.4] Avg. Min. 25.5 [+6.4] Mean      34.4 [+6.5] 24-hour corrected mean: 33.8 Max. for month: 71F on 24th Min. for month:  7F on 10th HEATING DEGREE DAYS Total heating units: 850 [-187] Total for the season: 3877 [-691] Total for last season: 3670 PRECIPITATION, Inches Total: 3.78 [-0.29] Greatest in 24 hrs: 1.60 on the 9th SNOWFALL, Inches Total: 31.5 [+17.6] Greatest in 24 hrs: 16.9 in. on 9th WIND, mph Avg. uncorrected wind speed: 13.7 Avg. corrected wind speed: 14.0 Prevailing wind direction: WNW at 16% Peak gust and direction: 54 NNE on 9th SUNSHINE: Campbell-Stokes card minutes: 9,192 minutes of possible 17,148 or 54% Astronomical total minutes: 9,527 minutes of possible 17,801 or 54% The new daily high minimum temperature record of 47F on February 24, 2017 ties as second-highest minimum temperature for February at Blue Hill Observatory.  The three-day cumulative temperature departure for February 23-25, 2017 of +79F ranks as third highest three-day cumulative temperature departure for the winter season. Highest February Daily Maximum Temperature, deg F (1885-2017) 1) 71 on 24 Feb 2017 2) 68 on 24 Feb 1985 68 on 25 Feb 2017 4) 67 on 26 Feb 1957 67 on 25 Feb 1976 67 on 23 Feb 2017 7) 66 on 20 Feb 1930 66 on 19 Feb 1981 9) 65 on 18 Feb 1981 65 on 01 Feb 1989 BHO Warmest February Daily High Minimum Temperature, deg F (1885-2017) 1) 49 on 20 Feb 1981 2) 47 on 28 Feb 1910 47 on 23 Feb 1990 47 on 24 Feb 2017 5) 46 on 26 Feb 1957 6) 45 on 22 Feb 1954 45 on  5 Feb 1991 45 on 21 Feb 2002 BHO Warmest February 24-Hour Mean Temperature , deg F (1885-2016) 1) 34.9 in 1984 2) 34.3 in 2012 3) 34.0 in 1998 4) 33.9 in 1954 33.9 in 1981 6) 33.8 in 2017 7) 33.7 in 1976 8) 33.6 in 1997 33.6 in 2002 BHO Warmest Winter (Dec-Feb) 24-Hour Mean Temperature, deg F (1885-2016) 1) 34.9 in 2015-2016 2) 34.8 in 2001-2002 3) 34.3 in 2011-2012 4) 32.9 in 2016-2017 5) 32.6 in 1997-1998 6) 32.3 in 1936-1937 32.3 in 1998-1999 8) 32.2 in 1932-1933 BHO Highest Winter 3-Day Cumulative Temperature Departure, deg F (1885-2017) 1) +98 on 14-16 Jan 1995 (65/45/55/+30, 64/54/59/+34, 63/55/59/+34) 2) +80 on  4-6  Jan 2007 (53/40/47/+21, 61/46/54/+28, 66/48/57/+31) 3) +79 on 23-25 Feb 2017 (67/40/54/+24, 71/47/59/+29, 68/44/56/+26) 4) +77 on 18-20 Feb 1981 (65/42/54/+25, 66/43/55/+26, 60/49/55/+26) +77 on  3-5  Feb 1991 (58/37/48/+22, 62/41/52/+26, 65/45/55/+29) 6) +75 on  7-9  Jan 2008 (54/39/47/+21, 65/45/55/+29, 59/42/51/+25) Today’s Observations: 7 A.M. Weather: Few cumulus ENE-SE Temperature: 10F; Dew Point: -9F; Wind: NW at 14G27 kts Peak Wind: 28 KTS (32 MPH) NW @ 0658 Sea-level pressure: 30.45 ins. Hg, rising, then more slowly Visibility: 75 miles 6-hr Max temp: 10F 6-hr Min temp:  5F 24-hr precip: 0.00 24-hr snowfall: 0.0 BHO SA 1155 CLR 75 310/10/-9/3214G27/045/ FEW CU DSNT ENE-SE PK WND 3228/58/ 8/100 51015 10010 20005 10 A.M. Weather: Clear (SKC) Temperature: 21F; Dew Point: -6F; Wind: NNW at 19G31 kts, Peak Wind: 31 kts (36 MPH) NNW at 9:51 AM EST Sea-level pressure: 30.43 ins. Hg, falling then rising Visibility: 75 miles BHO SA 1455 CLR 75 314/21/-6/3319G31/046/ SKC PK WND 3331/51/ 8/000 50004 1 P.M. Weather: Clear (SKC) Temperature: 28F; Dew Point: -3F; Wind: WNW at 19G34 kts, Peak Wind: 30 kts (35 MPH) NNW at 12:52 PM EST Sea-level pressure: 30.43 ins. Hg, falling, then less quickly Visibility: 75 miles 6-hr Max temp: 28F 6-hr Min temp: 10F BHO SA 1755 CLR 75 305/28/-3/3221G30/043/ SKC PK WND 3230/52/ 8/000 58009 10028 20010 SUMMARY FOR SATURDAY, MARCH 4, 2017 TEMPERATURE (DEGREES F) MAX…..19   NORMAL…..41 MIN……7   NORMAL…..23 MEAN….13   NORMAL…..32 DEPARTURE FROM 30-YEAR NORMAL……………………-19 TOTAL DEPARTURE FOR THE MONTH……………………+10 [+2.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..52   DEPARTURE………+19 TOTAL HEATING UNITS FOR THE MONTH………….124   DEPARTURE………-10 TOTAL HEATING UNITS FOR THE SEASON………..4001   DEPARTURE……..-701 TOTAL HEATING UNITS LAST SEASON TO DATE……3816   DIFFERENCE…….+185 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY……………….45 NW  AT 1:42 P.M. AERO……………………48 NW  AT 1:41 P.M. ASOS……………………48 NW  AT 1:42 P.M. DAVIS…………………..46 WNW AT 1:41 P.M. RMY 51 FASTEST MILE FOR YESTERDAY…………………32 NW  AT 1:33 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE………………33 NW  AT 1:32 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE……………..33 NW  AT 1:33 P.M. AVERAGE WIND SPEED AND DIRECTION………….20.5 NW ASOS………………….18.7 DAVIS…………………17.9 NNW [328 deg.] PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.00  DEPARTURE……-0.17 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….0.01  DEPARTURE……-0.68 ASOS…………..0.01 TOTAL PRECIPITATION FOR THE YEAR………..9.29  DEPARTURE……+0.18 ASOS……………N/A *** *** ASOS annual total not available due to erroneous readings SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…….-0.6 TOTAL SNOWFALL FOR THE MONTH…………….0.0  DEPARTURE…….-2.1 TOTAL SNOWFALL FOR THE SEASON…………..52.3  DEPARTURE…….+3.2 PRELIMINARY CLIMATE SUMMARY FOR FEBRUARY CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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 2/1   40/25/33/+7/0.03/0.4/228/38           43 W   AERO 44 W   RMY 47 2/2   38/25/32/+6/T/T/265/44                36 WNW AERO 37 WNW RMY 36 2/3   30/19/25/-1/0.00/0.0/351/58           28 WNW AERO 29 WNW RMY 31 2/4   31/15/23/-3/0.00/0.0/590/97           31 WNW AERO 30 WNW RMY N/A 2/5   43/22/33/+7/0.00/0.0/092/15           38 SSW AERO 41 SSW RMY N/A 2/6   37/28/33/+7/0.00/0.0/503/82           41 WNW AERO 41 WNW RMY 43 2/7   37/30/34/+7/0.54/0.7/000/00           32 ENE AERO 31 ENE RMY 32 2/8   49/25/37/+10/T/0.0/136/22             25 W   AERO 25 W   RMY 31 2/9   35/8/22/-5/1.60/16.9/000/00           54 NNE AERO 53 NNE RMY 54 TSTM 2/10  24/7/16/-11/T/T/623/100               43 WNW AERO 50 WNW RMY 48 2/11  27/15/21/-6/0.14/2.9/000/00           21 SE  AERO 20 SE  RMY 19 2/12  32/17/25/-2/0.71/5.6/000/00           22 ENE AERO 28 ENE RMY N/A 2/13  32/20/26/-2/0.27/2.2/032/05           48 NW  AERO 60 NW  RMY 61 2/14  35/16/26/-2/0.00/0.0/634/100          23 NW  AERO 24 NW  RMY 24 2/15  40/25/33/+5/0.17/1.2/000/00           31 SE  AERO 33 NW  RMY N/A 2/16  33/23/28/0/0.17/1.6/077/12            38 WNW AERO 38 WNW RMY 40 2/17  38/19/29/+1/0.00/0.0/636/99           36 WNW AER0 35 WNW RMY 35 2/18  50/24/37/+8/0.00/0.0/587/91           31 SSW AERO 33 SSW RMY 34 2/19  58/42/50/+21/0.00/0.0/408/63          32 W   AERO 33 W   RMY 32 2/20  42/29/36/+7/0.00/0.0/644/99           25 NW  AERO 28 NW  RMY 27 2/21  44/25/35/+6/0.00/0.0/451/69           24 SSE AERO 22 SSW RMY 24 2/22  56/34/45/+16/T/0.0/466/71             24 SSW AERO 24 SSW RMY N/A 2/23  67/40/54/+24/0.00/0.0/612/93          36 SSW AERO 35 SSW RMY 37 2/24  71/47/59/+29/0.00/0.0/535/81          41 SSW AERO 41 SSW RMY 44 2/25  68/44/56/+26/0.15/0.0/246/37          37 WNW AERO 35 WNW RMY 46 2/26  44/28/36/+6/0.00/0.0/600/90           46 WNW AERO 50 W   RMY 44 2/27  52/26/39/+8/0.00/0.0/663/99           37 SW  AERO 40 SW  RMY 41 2/28  56/37/47/+16/T/0.0/148/22             22 SSE AERO 25 SSE RMY N/A DAILY RECORDS FOR FEBRUARY 2017 2/09/17: NEW DAILY RECORD MAXIMUM SNOWFALL OF 16.9 INS. PREVIOUS RECORD WAS 14.0 INS. SET IN 2015 2/23/17: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 67F PREVIOUS RECORD WAS 62F SET IN 1990 2/24/17: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 71F PREVIOUS RECORD WAS 68F SET IN 1985 2/24/17: NEW DAILY RECORD HIGH MINIMUM TEMPERATURE OF 47F PREVIOUS RECORD HIGH MINIMUM TEMPERATURE OF 43F WAS SET IN 1930 AND TIED IN 1985 AND 2000 2/25/17: NEW DAILY RECORD MAXIMUM TEMPERATURE OF 68F PREVIOUS RECORD WAS 67F SET IN 1976 2/25/17: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 44F, TIES PREVIOUS RECORD SET IN 1930 PRELIMINARY CLIMATE SUMMARY FOR MARCH CALENDAR DAY DATA DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/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 3/1  61/46/54/+23/0.01/0.0/…/..          41 S   AERO 45 S   RMY 45 3/2  55/26/41/+10/T/T/…/..               58 W   AERO 61 W   RMY 59 3/3  36/19/28/-4/…./…/…/..           38 W   AERO 44 W   RMY N/A 3/4  19/7/13/-19/0.00/0.0/…/..           45 NW  AERO 48 NW  RMY 51 3/5  Low temp since midnight is 5F; normal low is now 23F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR MARCH 5 HIGH 64 IN 1979 LOW -2 IN 1948 PRECIP 1.76 INS. IN 2001 SNOWFALL 13.0 INS. IN 1891 PEAK GUST 76e MPH WNW IN 1971 RECORDS FOR MARCH 6 HIGH 66 IN 1894 LOW 3 IN 1948, 2007 PRECIP 1.85 INS. IN 2001 SNOWFALL 15.5 INS. IN 2001 PEAK GUST 82 MPH S IN 1959 TODAY’S REPORT PREPARED BY: Robert Millette
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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
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  • 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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