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Friday, September 27, 2013

September 27, 2013

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

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BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA DAILY DISCUSSION AND CLIMATE SUMMARY FRIDAY, SEPTEMBER 27, 2013 ALL TIMES ARE IN EASTERN STANDARD TIME RELATIVELY CALM, DRY DAY WITH TEMPERATURES NEAR NORMAL; SUN FINALLY MAKES EARLY AFTERNOON APPEARANCE; 28th ANNIVERSARY OF HURRICANE GLORIA Winds continue on the relatively light side (< 20 mph), following yesterday's very light winds which averaged only 6.2 mph for the entire day. The wind direction has returned to a NE direction, after a few hours of NW winds this morning. Temperatures are very close to the 30-year normals for the date, much like yesterday. The afternoon high has reached the mid 60s, which is slightly on the cool side. The morning low of 53F was slightly on the warm side. The sun finally made an appearance early this afternoon. An extensive layer of cumulus and overlying stratocumulus are finally pulling away from the coast, allowing for sunshine to prevail. Today marks the 28th anniversary of Hurricane Gloria which produced a 100 mph peak wind gust on the summit, but only 0.40 inch of rainfall. More details, including the detailed observations from that day can be found in the Member Content area on bluehillobservatory.org. Today's Observations: 7 A.M. Weather: Overcast stratocumulus, few lower cumulus distant NE-S, breaks in overcast distant NE-E and distant WSW-WNW, thin smoke layer above horizon N-NNE, light distant haze Temperature: 54F; Dew Point: 50F; Wind: NNW at 6 kts. Sea-level pressure: 30.21 ins. Hg, rising Visibility: 75 miles, light distant haze 6-hr min. temp: 53F BHO SA 1155 E35 OVC 75 230/54/50/3406/021/ FEW LWR CU DSNT NE-S BINOVC DSNT NE-E AND DSNT WSW-WNW THN K LYR ABV HRZN N-NNE LGT DSNT HZ/ 8/8// 53016 10054 20053 10 A.M. Weather: Scattered cumulus, broken stratocumulus, cumulus all quadrants, line of clearing distant NNE-E, light distant haze Temperature: 59F; Dew Point: 50F; Wind: NNE at 7 kts, Wind: Direction variable N-ENE Sea-level pressure: 30.24 ins. Hg, rising Visibility: 65 miles, light distant haze BHO SA 1455 20 SCT E40 BKN 65 241/59/50/0307/024/ CU ALQDS LINE CLRG DSNT NNE-E LGT DSNT HZ WND 36V06/ 8/800 51011 1 P.M. Weather: Scattered cumulus, broken stratocumulus cumulogenitus, broken stratocumulus, broken cirrus, moderate cumulus SSE-W-N, mostly clear sky NNE-E and overhead, thin smoke layer above horizon/aloft distant NNE-E, light distant haze Temperature: 64F; Dew Point: 52F; Wind: NE at 9 kts, Wind: Direction variable N-E Sea-level pressure: 30.23 ins. Hg, falling slightly Visibility: 70 miles, light distant haze 6-hr max. temp: 64F BHO SA 1755 25 SCT E35 BKN 45 BKN 250 BKN 70 237/64/52/0409/023/ MDT CU SSE-W-N MSTLY CLR SKY NNE-E AND OVHD THN K LYR ABV HRZN/ALF DSNT NNE-E LGT DSNT HZ WND 36V08/ 8/801 58004 10064 20054 WEATHER SUMMARY FOR THURSDAY, SEPTEMBER 26, 2013 TEMPERATURE (DEGREES F) MAX.....63 NORMAL.....68 MIN.....52 NORMAL.....51 MEAN....58 NORMAL.....59 DEPARTURE FROM 30-YEAR NORMAL.....................-1 TOTAL DEPARTURE FOR THE MONTH....................-26 [-1.2 DEGREES/DAY] COOLING DEGREE DAYS (SEASON JAN TO DEC) TOTAL COOLING UNITS FOR YESTERDAY..............0 DEPARTURE.........-1 TOTAL COOLING UNITS FOR THE MONTH.............56 DEPARTURE.........-1 TOTAL COOLING UNITS FOR THE SEASON...........696 DEPARTURE.......+102 TOTAL COOLING UNITS LAST SEASON TO DATE......765 DIFFERENCE.......-69 HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY..............7 DEPARTURE..........0 TOTAL HEATING UNITS FOR THE MONTH............110 DEPARTURE........+23 TOTAL HEATING UNITS FOR THE SEASON...........122 DEPARTURE........+10 TOTAL HEATING UNITS LAST SEASON TO DATE.......64 DIFFERENCE.......+58 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY..................16 ENE AT 11:27 A.M. * AERO.......................14 ENE AT 11:27 A.M. * ASOS.......................16 E AT 11:28 A.M. DAVIS......................15 N AT 9:00 A.M. RMY 16 FASTEST MILE FOR YESTERDAY.....................9 ENE AT 5:54 P.M. * MAXIMUM 2-MINUTE ASOS AVERAGE.................12 NE AT 11:19 A.M. MAXIMUM 2-MINUTE DAVIS AVERAGE................11 NE AT 11:19 A.M. AVERAGE WIND SPEED AND DIRECTION.............6.2 N ASOS......................6.1 DAVIS.....................5.4 NE [035 degrees] * last of several occurrences... 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..........3.91 DEPARTURE.............+0.43 ASOS..............4.04 TOTAL PRECIPITATION FOR THE YEAR..........41.92 DEPARTURE.............+3.42 ASOS..............N/A* *ASOS malfunctioned during storm on 2/8-9, leading to erroneous totals PRELIMINARY CLIMATE SUMMARY FOR SEPTEMBER 2013 CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST AERO: Aerovane wind recording system gust RMY: RMY = R.M. Young wind gust recording system added 8/9/2011 TSTM: Thunderstorm day (thunder heard some time during day) ....: Data not yet available, records not finalized 9/1 76/67/72/+4/2.32/008/01 33 S AERO 39 MPH S RMY 38 TSTM 9/2 79/67/73/+5/0.43/056/07 30 SSE AERO 33 MPH SSE RMY N/A TSTM 9/3 79/61/70/+3/0.00/219/28 28 S AERO 29 MPH S RMY 30 TSTM 9/4 78/57/68/+1/0.00/733/94 24 W AERO 25 MPH W RMY 25 9/5 66/51/59/-8/0.08/179/23 20 NNE AERO 20 MPH NNE RMY 21 9/6 68/46/57/-10/0.00/751/97 18 WSW AERO 17 MPH WSW RMY N/A 9/7 78/51/65/-1/0.00/594/77 20 WSW AERO 21 MPH WSW RMY 21 9/8 74/50/62/-4/0.00/646/84 31 NW AERO 33 MPH NW RMY 32 9/9 69/47/58/-8/T/529/69 23 SW AERO 23 MPH SSW RMY N/A 9/10 73/56/65/0/0.03/007/01 30 S AERO 32 MPH S RMY 33 9/11 93/68/81/+16/0.00/654/86 25 SW AERO 27 MPH SW RMY N/A 9/12 85/66/76/+11/0.47/455/60 32 S AERO 33 MPH S RMY 34 TSTM 9/13 79/58/69/+5/0.17/242/32 24 NNW AERO 25 MPH NNW RMY 23 9/14 67/52/60/-4/0.00/361/48 21 NW AERO 21 MPH NW RMY 21 9/15 70/48/59/-5/0.00/547/73 17 WSW AERO 18 MPH WSW RMY 20 9/16 66/46/56/-7/0.02/179/24 29 NNW AERO 31 MPH NNW RMY 30 9/17 60/40/50/-13/0.00/722/97 27 NNE AERO 27 MPH NNE RMY 26 9/18 73/47/60/-2/0.00/726/98 18 W AERO 18 MPH WSW RMY 20 9/19 78/51/65/+3/0.00/731/99 17 WSW AERO 16 MPH WSW RMY 18 9/20 78/54/66/+4/0.00/706/96 18 SSW AERO 18 MPH SSW RMY 23 9/21 74/57/66/+4/T/512/70 35 S AERO 40 MPH S RMY N/A 9/22 70/49/60/-1/0.39/365/50 38 S AERO 39 MPH S RMY 42 9/23 63/43/53/-7/0.00/711/98 25 NW AERO 26 MPH NW RMY 28 9/24 65/40/53/-7/0.00/702/97 22 ENE AERO 22 MPH ENE RMY 23 9/25 64/45/55/-5/0.00/512/71 18 N AERO 18 MPH N RMY 19 9/26 63/52/58/-1/0.00/.../.. 16 ENE AERO 14 MPH ENE RMY 16 9/27 our morning low temp: 53F; the normal low is now 50F DAILY RECORDS FOR SEPTEMBER 2013 9/1 - NEW DAILY RECORD MAXIMUM PRECIPITATION OF 2.32 INCHES; surpasses previous record of 1.60 inches set in 1927 9/11 - TIED DAILY RECORD MAXIMUM HIGH TEMPERATURE OF 93F; ties record of 93F set in 1983 DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR SEPTEMBER 27 HIGH 84F IN 1998 LOW 32F IN 1947 PRECIP 2.26 INCHES IN 1962 PEAK GUST 100 MPH SSE IN 1985 (HURRICANE GLORIA) RECORDS FOR SEPTEMBER 28 HIGH 82F IN 1959 LOW 33F IN 1897,1947 PRECIP 2.46 INCHES IN 2004 PEAK GUST 69 MPH NE IN 1962 TODAY'S REPORT PREPARED BY: Sean Fankhauser
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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

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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.

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§ 03

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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:

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§ 06

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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

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§ 08

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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

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§ 11–12

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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

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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

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Effective January 1, 2025 · Blue Hill Observatory & Science Center · Milton, Massachusetts
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