The Sandgate plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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70° on Nov. 15, 1956, the hottest reading for this week of the year since 1893. Next is 69° in 1909.
Sandgate’s center stands about 800 ft above sea level. Within three miles the land runs from 690 ft to 2,350 ft, a difference of 1,660 ft: steep hill country. The highest named summit within 15 miles is Stratton Mountain, about 3,940 ft, 14 miles east-southeast.
The section below crosses 12 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 7×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Phyllite, metasiltstone. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 5 mi of the line.
Phyllite, slate, metasiltstone. Age: Neoproterozoic to Early Cambrian, 521 to 1,000 million years old. About 4 mi of the line.
Phyllite. Age: Neoproterozoic, 542 to 1,000 million years old. About 4 mi of the line.
Quartzite. Age: Early Cambrian, 521 to 542 million years old. About 3 mi of the line.
Slate, phyllite. Age: Early Ordovician to Middle Ordovician, 459 to 487 million years old. About 3 mi of the line.
Paragneiss. Age: Mesoproterozoic, 1.2 to 1.2 billion years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 6 smaller units along the line are not listed.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Sandgate reaches New York Harbor and the Atlantic Ocean by way of the Green River, Batten Kill and the Hudson: about 220 river miles.
180 miles of the trip are on the Hudson.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Sandgate; river miles along the main stem, rounded.
Sandgate has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 10° in January. About 38 inches of rain fall in a normal year.
On November 14 Sandgate normally reaches 47° and falls to 28°. The record high is 67°, in 1973; the record low 5°, in 1905. The most rain on this date, 1.45 in, fell in 2009.
Normals 1991–2020 and records since 1893 from the Glens Falls Area threaded record (Glens Falls/Floyd Bennett Memorial Airport, 25 miles west-northwest, 480 ft lower). NOAA, through RCC-ACIS.
