Category: Graphs & Data

Blue Hill Meteorological Observatory Climate Data

Blue Hill Meteorological Observatory Climate Data

| January 25, 2015 | Reply

Extensive work is in progress to transfer over 130 years of primary daily data observations including maximum and minimum temperature, precipitation, snowfall, snow cover, wind speed, sunshine and other parameters.  This process will fill gaps and remove inconsistencies in the existing data base and begin the process of digitizing data that has never been tabulated […]

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Blue Hill Observatory Annual Summary Graphs

Blue Hill Observatory Annual Summary Graphs

| February 17, 2014 | Reply

These figures summarize the daily temperature extremes, monthly precipitation, annual totals and other important weather events for the last few years. Annual Summary Graphs    2016  2015  2014  2013  2012  

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Graphs of Annual Blue Hill Observatory Climate Data

Graphs of Annual Blue Hill Observatory Climate Data

| February 17, 2014 | Reply

Weather observations on Blue Hill began on February 1, 1885, but the annual mean temperature plot below includes data for 1831 to 1884 from nearby locations that have been carefully adjusted to the Great Blue Hill summit, to extend the Observatory mean temperature record back to 1831. Long-Term Climate Graphs     Annual Mean Temperature (since 1831)     Annual […]

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Charts of Monthly Blue Hill Observatory Climate Data

Charts of Monthly Blue Hill Observatory Climate Data

| February 17, 2014 | Reply

The charts below show annual and monthly average temperature and total precipitation and snowfall as well as their departures from average since 1995. Note that departures from the mean depicted in these plots are differences from the 1891-2010 120-year, long-term average since 2012 and from the 1891-2000 110-year average for prior years.  These long-term averages […]

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Blue Hill Meteorological Observatory 1891-2010 Means and Extremes

Blue Hill Meteorological Observatory 1891-2010 Means and Extremes

| May 7, 2013 | 2 Replies

Temperature, Precipitation, Snowfall, and Wind Measurements Weather in New England is rarely “normal”, but the tables below show the average monthly weather conditions at the Blue Hill Observatory for the 120-year period from 1891-2010. Extremes are shown for the full period of record, 1885-Present, except peak wind gusts, which are for 1940-Present.   Temperature (oF) […]

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Blue Hill Observatory Rotch Memorial Monument

Blue Hill Observatory Rotch Memorial Monument

| March 12, 2013 | Reply

Pictured here is the monument near the Observatory that was originally erected in 1912 in honor of the Observatory’s founder, Abbott Lawrence Rotch.  It was later etched with a summary of the climate information that was recorded during the Observatory’s first century (1885-1984).  This page lists the climate records on the monument that have been […]

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