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Sunday, February 16, 2020

February 16, 2020

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

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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, FEBRUARY 16, 2020 ALL TIMES ARE IN EASTERN STANDARD TIME OVERCAST, YET MILDER THAN YESTERDAY ATOP GREAT BLUE HILL…. We observed overcast skies with a decent visibility around 60 miles this afternoon. Wind was southwesterly, becoming lighter as the day went on. The low since midnight is 27F, 8 degrees above the normal daily minimum of 19F. The high so far today is 37F, the same as the average daily maximum. PRELIMINARY STATS FOR JANUARY 2020 TEMPERATURE, Deg. F Avg. Max. 40.6 [+6.8] Avg. Min. 25.9 [+8.8] Mean      33.3 [+7.8] 24-hour corrected mean: 32.8 Max. for month: 68F on the 12th Min. for month: 8F on the 18th HEATING DEGREE DAYS Total heating units:    978 [-248] Total for the season:  3229 [-302] Total for last season: 3495 PRECIPITATION, Inches Total: 1.46 [-2.89] Greatest in 24 hrs: 0.57 ins. on the 25th SNOWFALL, Inches Total: 4.2 [-12.9] Greatest in 24 hrs: 3.0 ins. on the 18th-19th WIND, mph Avg. uncorrected wind speed: 12.3 mph Avg. corrected wind speed:   12.8 mph Prevailing wind direction:   W [19%] Peak gust and direction:     60 SSW on the 12th SUNSHINE: Campbell-Stokes card minutes: 8388 minutes of possible 17130 or 49% Astronomical total minutes: 8642 minutes of possible 17639 or 49% JANUARY 2020 RANKED 9TH WARMEST ON RECORD! Warmest 24-Hour Adjusted Mean Temperature, deg F (1886-2020): 1) 35.6 in 1913 2) 35.0 in 1932 3) 34.6 in 1937 4) 33.9 in 2006 5) 33.8 in 1933 33.8 in 1950 33.8 in 1990 8) 33.5 in 2002 9) 32.8 in 2020 10) 32.7 in 2017 Today’s Observations: 7 A.M. Weather: Broken altostratus, overcast cirrostratus Temperature: 27F; Dew Point: 16F; Wind: SW at 13G20 kts Sea-level pressure: 30.19 ins. Hg: falling steadily Visibility: 30 miles, distant haze 6-hr Max temp: 27F 6-hr Min temp: 24F 24-hr Precip:  0.00 ins. 24-hr Snowfall: 0.0 ins. BHO SA 1155 E140 BKN 250 OVC 30 224/27/16/2113G20/019/ DSNT HZ ALQDS/ 8/018 58008 10027 20024 10 A.M. Weather: Broken altocumulus/altostratus, overcast cirrostratus Temperature: 33F; Dew Point: 22F; Wind: SW at 11G18 kts Sea-level pressure: 30.16 ins. Hg: falling steadily Visibility: 60 miles 3-hr Precip:  0.00 ins. 3-hr Snowfall: 0.0 ins. BHO SA 1455 E140 BKN 250 OVC 60 214/33/22/2211G18/016/ 8/078 58010 1 P.M. Weather: Broken altostratus, overcast cirrostratus Temperature: 37F; Dew Point: 20F; Wind: SW at 7 kts Sea-level pressure: 30.09 ins. Hg: falling steadily Visibility: 60 miles 6-hr Max temp: 37F 6-hr Min temp: 27F 6-hr Precip:  0.00 ins. 6-hr Snowfall: 0.0 ins. BHO SA 1755 E110 BKN 250 OVC 60 191/37/20/2307/009/ 8/018 58023 10037 20027 SUMMARY FOR SATURDAY, FEBRUARY 15, 2020 TEMPERATURE (DEGREES F) MAX…..27   NORMAL…..37 MIN……4   NORMAL…..19 MEAN….16   NORMAL…..28 DEPARTURE FROM 30-YEAR NORMAL……………….-12 TOTAL DEPARTURE FOR THE MONTH……………….+85 [+5.5 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY……………49  DEPARTURE…….+12 TOTAL HEATING UNITS FOR THE MONTH…………..488  DEPARTURE…….-86 TOTAL HEATING UNITS FOR THE SEASON…………3717  DEPARTURE……-388 TOTAL HEATING UNITS LAST SEASON TO DATE…….3994  DEPARTURE……-277 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………..31 SSW AT  9:27 P.M. AERO…………………….31 SSW AT  9:29 P.M. ASOS…………………….32 SSW AT 10:27 P.M. DAVIS……………………30 SSW AT  8:57 P.M. RMY N/A FASTEST MILE FOR YESTERDAY………………….22 SSW AT  9:06 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………….22 SSW AT 11:58 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE………………22 SSW AT  9:27 P.M. AVERAGE WIND SPEED AND DIRECTION………….9.8 S ASOS………………….9.9 DAVIS…………………9.6 SW [232 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……….1.89  DEPARTURE……-0.18 ASOS…………..2.00 TOTAL PRECIPITATION FOR THE YEAR………..3.35  DEPARTURE……-3.07 ASOS…………..3.54 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE…….-0.5 TOTAL SNOWFALL FOR THE MONTH…………….0.6  DEPARTURE…….-6.8 TOTAL SNOWFALL FOR THE SEASON…………..24.8  DEPARTURE……-15.7 PRELIMINARY CLIMATE SUMMARY FOR JANUARY 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 01/01  38/30/34/+7/0.00/0.0/400/73           39 W   AERO 38 W   RMY 41 01/02  46/29/38/+11/0.00/0.0/269/49          28 SW  AERO 28 SW  RMY 30 01/03  46/40/43/+17/0.00/0.0/000/00          21 SW  AERO 18 SW  RMY N/A 01/04  46/36/41/+15/0.15/0.0/000/00          16 NNW AERO 16 NNW RMY N/A 01/05  36/24/30/+4/0.15/0.5/116/21           43 NW  AERO 46 NW  RMY 43 01/06  33/23/28/+2/T/T/133/24                26 W   AERO 21 W   RMY N/A 01/07  38/29/34/+8/0.01/0.4/161/29           30 WSW AERO 28 WSW RMY N/A 01/08  39/22/31/+5/0.04/0.3/350/63           50 W   AERO 46 WNW RMY 47 01/09  28/16/22/-4/0.00/0.0/540/97           43 WNW AERO 40 WNW RMY N/A 01/10  48/23/36/+11/T/T/106/19               37 SW  AERO 37 SW  RMY 39 01/11  65/46/56/+31/0.00/0.0/408/73          53 SSW AERO 53 SSW RMY N/A 01/12  68/36/52/+27/0.09/0.0/297/53          60 SSW AERO 62 SSW RMY N/A 01/13  39/31/35/+10/0.01/T/000/00            21 NE  AERO 20 NE  RMY N/A 01/14  38/31/35/+10/0.01/0.0/000/00          16 W   AERO 15 W   RMY N/A 01/15  48/35/42/+17/0.00/0.0/503/89          24 W   AERO 23 W   RMY 24 01/16  42/24/33/+8/0.06/T/142/25             54 W   AERO 52 W   RMY 59 01/17  24/10/17/-8/0.00/0.0/552/97           50 NW  AERO 48 NW  RMY N/A 01/18  28/8/18/-7/0.35/2.8/000/00            28 WSW AERO 24 ESE RMY N/A 01/19  40/21/31/+6/0.02/0.2/332/58           44 W   AERO 44 W   RMY 42 01/20  26/12/19/-6/0.00/0.0/442/77           33 NW  AERO 32 NW  RMY N/A 01/21  24/10/17/-8/0.00/0.0/472/82           22 NW  AERO 21 NW  RMY N/A 01/22  34/13/24/-1/0.00/0.0/566/98           16 SW  AERO 16 SW  RMY N/A 01/23  46/26/36/+11/0.00/0.0/348/60          21 SW  AERO 20 SW  RMY 19 01/24  44/31/38/+13/0.00/0.0/524/90          21 ENE AERO 17 ENE RMY N/A 01/25  50/36/43/+18/0.57/0.0/000/00          41 ESE AERO 41 ESE RMY 40 01/26  49/35/42/+17/0.00/0.0/346/59          33 W   AERO 31 W   RMY 32 01/27  43/33/38/+13/0.00/0.0/106/18          30 W   AERO 29 W   RMY 29 01/28  37/30/34/+9/T/T/030/05                25 NW  AERO 25 NW  RMY 27 01/29  38/23/31/+6/0.00/0.0/522/88           24 N   AERO 23 N   RMY 24 01/30  34/16/25/-1/0.00/0.0/547/92           17 NNW AERO 16 NNW RMY N/A 01/31  43/24/34/+8/0.00/0.0/430/72           22 S   AERO 21 S   RMY 22 DAILY RECORDS FOR JANUARY 1/11/20: DAILY RECORD MAXIMUM TEMPERATURE OF 65F, BREAKS PREVIOUS RECORD OF 60F SET IN 1975. 1/11/20: DAILY RECORD HIGH MINIMUM TEMPERATURE OF 46F, BREAKS PREVIOUS RECORD OF 40F SET IN 1983. 1/12/20: DAILY RECORD MAXIMUM TEMPERATURE OF 68F, BREAKS PREVIOUS RECORD OF 60 SET IN 2018. TIES HIGHEST MAXIMUM TEMPERATURE FOR JANUARY, MATCHES 68F SET ON 1/26/1950. 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 02/01  38/30/34/+8/0.01/T/…./..          14 WSW AERO 14 WSW RMY N/A 02/02  40/30/35/+9/0.00/0.0/…./..        18 W   AERO 18 WNW RMY 18 02/03  44/27/36/+10/0.00/0.0/…./..       28 W   AERO 28 W   RMY 28 02/04  44/33/39/+13/0.00/0.0/…./..       19 E   AERO 16 E   RMY 18 02/05  41/30/36/+10/0.00/0.0/…./..       20 NNW AERO 19 NNW RMY N/A 02/06  31/30/34/+8/0.00/0.0/…./..        29 E   AERO 28 E   RMY 27 02/07  53/25/39/+12/…./0.1/…./..       71 WSW AERO 71 SSW RMY 73 02/08  33/20/27/0/T/T/…./..              46 W   AERO 44 W   RMY 44 02/09  33/15/24/-3/T/T/…./..             30 SSE AERO 29 SSE RMY N/A 02/10  42/33/38/+11/…./0.0/…./..       39 SSW AERO 39 SSW RMY 39 02/11  40/36/38/+11/…./0.0/…/..        24 W   AERO 23 W   RMY N/A 02/12  41/30/36/+9/0.00/0.0/…/..         37 W   AERO 36 W   RMY N/A 02/13  35/31/34/+6/.00/0.0/…/..          29 SSW AERO 29 SSW RMY N/A 02/14  33/8/21/-7/0.00/0.0/…/..          32 WNW AERO 32 NW  RMY 34 02/15  27/4/16/-2/0.00/0.0/…/..          31 SSW AERO 31 SSW RMY N/A 02/16 The low since midnight is 23F, daily normal minimum is 19F DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR FEBRUARY 16 HIGH 62F IN 1954 LOW -16F IN 1943 PRECIP 1.91 INCHES IN 1958 SNOWFALL 18.6 INCHES IN 1958 PEAK GUST 78 MPH W IN 1967 RECORDS FOR FEBRUARY 17 HIGH 61F IN 1981 LOW -16F IN 1896 PRECIP 1.86 INCHES IN 2003 SNOWFALL 20.0 INCHES IN 2003 PEAK GUST 72 MPH NW IN 1968 TODAY’S REPORT PREPARED BY: Benjamin Turner
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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:

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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
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§ 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

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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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