The Esko 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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67° on Nov. 13, 1999, the hottest reading for this week of the year since 1911. Next is 66° in 1953.
Esko’s center stands about 1,170 ft above sea level. Within three miles the land runs from 980 ft to 1,280 ft, a difference of 300 ft: rolling country.
Under the town center the state geologic map shows Slate and graywacke (slate, graywacke), from the Paleoproterozoic, 1.6 to 2 billion years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 24×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Slate, graywacke. Age: Paleoproterozoic, 1.6 to 2 billion years old. About 17 mi of the line.
Arkose. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 4 mi of the line.
Sandstone, siltstone. Age: Mesoproterozoic, 1 to 1.2 billion years old. About 3 mi of the line.
Basalt. Age: Mesoproterozoic, 1 to 1.2 billion years old. About 0.5 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
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 Esko reaches Lake Superior by way of the Midway and the Saint Louis: about 20 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Esko; river miles along the main stem, rounded.
Esko has a warm-summer humid continental climate. Summer afternoons average 79° in July; winter nights fall to about 2° in January. A normal year brings about 71 inches of snow; with the rain, that comes to about 33 inches of water.
On November 14 Esko normally reaches 36° and falls to 23°. The record high is 63°, in 1953; the record low −8°, in 1959. The most rain on this date, 0.40 in, fell in 1951.
Normals 1991–2020 and records since 1911 at Cloquet, 8 miles west. NOAA, through RCC-ACIS.
