Sign In Become a Member
Donate
Daily Discussions

Monday, May 5, 2014

May 5, 2014

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

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 DAILY DISCUSSION AND CLIMATE SUMMARY MONDAY, MAY 5, 2014 ALL TIMES ARE IN EASTERN STANDARD TIME MOSTLY CLOUDY AND BREEZY ONCE AGAIN Cumulus and stratocumulus cleared out overnight and built back in again today keeping skies above mostly cloudy throughout most of the morning. Showers have been less of a concern than yesterday with only a few showers popping up on radar by early afternoon. By 1:00 PM EST stratocumulus and cumulus were still the dominating cloud type with some showers visible and distant to the NE-ENE and SE. Visibility was 80 miles in most directions and a maximum of 64F had been reached so far. APRIL 2014 PRELIMINARY STATISTICS [Departures are relative to the 1981-2010 averages] TEMPERATURE: Deg. F Avg. Max. 55.9 [+0.2] Avg. Min. 37.5 [-0.2] Mean      46.7 [0.0] 24-hr. corrected mean: 46.1 Max. temp: 73 on the 14th Min. temp: 28 on the 16th and 18th Total heating degree day units: 544 [-7] Total seasonal heating units:  6,171  [+136] [Season starts 7/1] Seasonal total this date 2012: 5,522 [+649] PRECIPITATION: Inches Total: 4.00 [-0.55] Greatest in 24 hours: 1.22 inches on the 15th Total snowfall: 0.8 inches Greatest in 24 hours:  0.8 inches on the 16th WIND Av. speed (uncorrected): 13.6 mph Av. speed (corrected):   13.9 mph Prevailing direction: NW @ 13% possible SUNSHINE Total astronomical minutes: 11,946 of possible 24,094 or 50% Total Campbell-Stokes card minutes; 11,508 of possible 23,250 or 49% Today’s Observations: 7 A.M. Weather: Broken stratocumulus, broken altocumulus lenticularis, broken cirrus fibratus Temperature: 54F; Dew Point: 41F; Wind: NW at 15G20 kts Sea-level pressure: 29.75 ins. Hg, rising, then more slowly Visibility: 80 miles 6-hr max temp: 54F 6-hr min temp: 46F 24-hr precip: 0.01 inches BHO SA 1155 E45 BKN 50 BKN 250 BKN 80 076/54/41/3115G20/975/ ACSL DSNT ALQDS/ 8/541 51024 MANUAL 70001 10054 20046 10 A.M. Weather: Broken stratocumulus, broken altocumulus lenticularis, broken cirrus fibratus Temperature: 59F; Dew Point: 39F; Wind: NW at 15G22 kts, Sea-level pressure: 29.78 ins. Hg, rising, then more slowly Visibility: 80 miles BHO SA 1455 E36 BKN 45 BKN 250 BKN 80 083/59/39/3115G22/978/ ACSL DSNT ALQDS/ 8/541 51007 1 P.M. Weather: Scattered stratocumulus, scattered altocumulus, broken cirrus fibratus, showers distant NE-ENE and SE Temperature: 62F; Dew Point: 38F; Wind: NW at 12G22 kts, Sea-level pressure: 29.78 ins. Hg, increasing then decreasing, but still higher Visibility: 60 miles 6-hr max temp: 64F 6-hr min temp: 54F BHO SA 1755 55 SCT 70 SCT E250 BKN 80 084/62/38/3212G22/978/ SHWRS DSNT NE-ENE AND SE/ 8/561 50001 10064 20054 WEATHER SUMMARY FOR SUNDAY, MAY 4, 2014 TEMPERATURE (DEGREES F) MAX…..60    NORMAL…..63 MIN…..47    NORMAL…..44 MEAN….54    NORMAL…..54 DEPARTURE FROM 30-YEAR NORMAL……………………+/-0 TOTAL DEPARTURE FOR THE MONTH…………………….+12 [+2.8 DEGREES/DAY] HEATING DEGREE DAYS (SEASON JUL TO JUN) TOTAL HEATING UNITS FOR YESTERDAY…………..11  DEPARTURE……….-1 TOTAL HEATING UNITS FOR THE MONTH…………..35  DEPARTURE………-14 TOTAL HEATING UNITS FOR THE SEASON………..6206  DEPARTURE……..+111 TOTAL HEATING UNITS LAST SEASON TO DATE……5571  DIFFERENCE…….+635 PEAK GUST AND AVERAGE WIND SPEED (MPH) PEAK WIND GUST FOR YESTERDAY………………51 WNW  AT  5:10 P.M. * ASOS…………………..54 W    AT  2:27 P.M. DAVIS………………….52 W    AT  3:39 P.M.  RMY 54 FASTEST MILE FOR YESTERDAY………………..40 W    AT  3:39 P.M. MAXIMUM 2-MINUTE ASOS AVERAGE……………..38 W    AT  3:40 P.M. MAXIMUM 2-MINUTE DAVIS AVERAGE…………….35 W    AT  3:40 P.M. AVERAGE WIND SPEED AND DIRECTION…………18.9  WNW ASOS…………………17.7 DAVIS………………..16.1  W [267 deg] * Last of several occurrences… PRECIPITATION (INCHES) THROUGH THIS MORNING (EST) TOTAL PRECIPITATION 24 HRS ENDING 7 A.M….0.01  DEPARTURE………….-0.12 ASOS…………..0.00 TOTAL PRECIPITATION FOR THE MONTH……….0.50  DEPARTURE………….+0.00 ASOS…………..0.51 TOTAL PRECIPITATION FOR THE YEAR……….19.62  DEPARTURE………….+0.57 ASOS………….20.04 SNOWFALL (INCHES) THROUGH THIS MORNING (EST) TOTAL SNOWFALL 24 HRS ENDING 7 A.M……….0.0  DEPARTURE……………0.0 TOTAL SNOWFALL FOR THE MONTH…………….0.0  DEPARTURE……………0.0 TOTAL SNOWFALL FOR THE SEASON…………..85.6  DEPARTURE………….+22.9 PRELIMINARY CLIMATE SUMMARY FOR APRIL-MAY 2014 CALENDAR DAY DATA DATA REPORTED: DATE: MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO 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 4/1  48/31/40/-1/0.00/0.0/694/91          29 NNE AERO N/A        RMY N/A 4/2  56/34/45/+4/0.00/0.0/452/59          22 WSW AERO 20 MPH WSW RMY N/A 4/3  55/36/46/+4/0.00/0.0/707/92          23 NNW AERO 22 MPH NW  RMY 25 4/4  47/35/41/-1/0.31/0.0/255/33          26 ESE AERO N/A        RMY 25 4/5  51/33/42/-1/0.19/0.0/186/24          39 WNW AERO N/A        RMY 40 4/6  58/29/44/+1/0.00/0.0/755/97          25 W   AERO N/A        RMY N/A 4/7  59/44/52/+9/0.05/0.0/187/24          28 SSE AERO N/A        RMY N/A 4/8  62/41/52/+8/0.61/0.0/016/02          45 W   AERO N/A        RMY 44 4/9  60/36/48/+4/0.00/0.0/707/90          35 NW  AERO N/A        RMY 36 4/10 57/33/45/0/0.00/0.0/742/94           38 S   AERO N/A        RMY 39 4/11 70/45/58/+13/T/0.0/111/14            32 S   AERO N/A        RMY N/A 4/12 68/44/56/+11/0.00/0.0/699/88         28 W   AERO N/A        RMY 28 4/13 65/45/55/+10/0.04/0.0/215/27         35 S   AERO N/A        RMY N/A 4/14 73/55/64/+18/0.00/0.0/296/37         55 SW  AERO N/A        RMY 62 4/15 66/38/52/+5/1.22/0.0/000/00          62 S   AERO N/A        RMY 68 4/16 43/28/36/-11/0.43/0.8/757/94         39 NNW AERO N/A        RMY 39 4/17 39/29/34/-13/T/T/566/70              35 NE  AERO N/A        RMY 34 4/18 42/28/35/-13/0.00/0.0/016/02         25 E   AERO N/A        RMY 25 4/19 62/35/49/1/0.00/0.0/732/90           31 NW  AERO N/A        RMY 32 4/20 52/36/44/-5/0.00/0.0/783/96          21 E   AERO N/A        RMY 22 4/21 67/36/52/+3/0.00/0.0/778/95          25 SSW AERO N/A        RMY 26 4/22 72/44/58/+9/0.07/0.0/427/52          32 S   AERO N/A        RMY 33 4/23 52/43/48/-2/0.27/0.0/0/0             47 NW  AERO N/A        RMY 47 TSTM 4/24 56/38/47/-3/0.00/0.0/810/98          52 NW  AERO N/A        RMY 54 4/25 64/39/52/+2/0.00/0.0/721/87          25 S   AERO N/A        RMY 25 4/26 44/39/42/-9/…./0.0/0/0             18 E   AERO N/A        RMY 18 4/27 46/38/42/-9/…./0.0/8/1             21 NW  AERO N/A        RMY 23 4/28 56/36/46/-6/T/0.0/326/39             31 ENE AERO N/A        RMY 33 4/29 42/38/40/-12/T/0.0/0/0               32 ENE AERO N/A        RMY 35 4/30 44/38/41/-11/0.37/0.0/0/0            25 ESE AERO N/A        RMY N/A 5/1  64/43/54/+1/0.49/0.0/…/..          32 SSE RMY 36 5/2  68/51/60/+7/T/0.0/…/..             28 W   RMY 29 5/3  66/48/57/+4/…./0.0/…/..          21 SW  RMY N/A 5/4  60/47/54/0/0.01/0.0/…/..           51 WNW RMY 54 5/5 morning low temp: 46F; the normal low is now 45F DAILY RECORDS FOR APRIL 2014 4/14 – Minimum temperature of 55F EQUALS RECORD HIGH MINIMUM FOR THIS DATE SET IN 1909. DAILY RECORDS FOR MAY 2014 None so far. DAILY EXTREMES Temperature and precipitation records back to 1885, and wind records back to 1940 (e = estimated): RECORDS FOR MAY 5 HIGH 92F IN 1949 LOW 30F IN 1891 PRECIP 2.74 INCHES IN 1922 SNOWFALL 3.0 INCHES IN 1917 PEAK GUST 58 MPH S IN 1966 & 58e MPH SW IN 1976 RECORDS FOR MAY 6 HIGH 90F IN 1930 LOW 29F IN 1891 PRECIP 1.04 INCHES IN 1890 SNOWFALL TRACE IN 1917,1996 PEAK GUST 65 MPH SSE IN 1989 TODAY’S REPORT PREPARED BY: Brian Fitzgerald
facebookShare on Facebook
TwitterPost on X
FollowFollow us
PinterestSave
←
→
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
Main Menu