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The maximum frost depth observed in the contiguous United States ranges from 0 to 8 feet (2.4 m). [1] Below that depth, the temperature varies, but is always above 0 °C (32 °F). Alternatively, in Arctic and Antarctic locations the freezing depth is so deep that it becomes year-round permafrost, and the term "thaw depth" is used
Knowing your region's average first frost date helps you get ahead ... including your first fall frost. The current version of the USDA map was created in 2012 and is the latest in a long line of ...
[1] Cities like Bangor, Maine; Portland, Maine; Manchester, New Hampshire; Burlington, Vermont; and Pittsfield, Massachusetts average around 45 inches (1,100 mm) of rainfall and 60 to 90 inches (1.52 to 2.29 m) of snow annually. The frost-free growing season ranges from just 90 days in far northern Maine and in the valleys of the White and ...
The list of snowiest places in the United States by state shows average annual snowfall totals for the period from mid-1985 to mid-2015. Only places in the official climate database of the National Weather Service, a service of NOAA, are included in this list. Some ski resorts and unofficial weather stations report higher amounts of snowfall ...
For the first time since 2012, a new Plant Hardiness Zone Map was released by the U.S. Department of Agriculture in November 2023. The map is a tool used by gardeners and growers around the U.S ...
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Jordan Pond is an oligotrophic tarn in Acadia National Park near the town of Bar Harbor, Maine. The pond covers 187 acres (76 ha) to a maximum depth of 150 feet (46 m) with a shoreline of 3.6 miles (5.8 km). [4] [3] [5] The pond was formed by the Wisconsin Ice Sheet during the last glacial period. Penobscot Mountain (1194 ft) rises to the west ...
The red dotted-to-solid line depicts the average temperature profile with depth of soil in a permafrost region. The trumpet-shaped lines at the top show seasonal maximum and minimum temperatures in the "active layer", which commences at the depth where the maximum annual temperature intersects 0 °C. The active layer is seasonally frozen.