Listed below are recent publications, informal reports and presentations describing climate research on various topics based on the Blue Hill climate record. Click on the title to access each document. 2021 “Recent Trends in Sunshine, Visibility, and Cloud Cover at the Blue Hill Meteorological Observatory” (Mount Washington Observatory Science in the Mountains Webinar Presentation) (June, […]
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 […]
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 1891-2020 130-year, long-term average since 2021, from the 1891-2010 120-year average for 2012-2020, and from the 1891-2000 110-year […]
The table below summarizes the ten highest seasonal snowfall totals for several Southern New England locations including the Blue Hill Observatory. The table can also be downloaded here as a PDF.
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