The Ida 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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77° on Nov. 11, 2020, the hottest reading for this week of the year since 1985. Next is 75° in 2022.
Ida’s center stands about 640 ft above sea level. Within three miles the land runs from 620 ft to 710 ft, a difference of 90 ft: gently rolling country.
Under the town center the state geologic map shows Sylvania Sandstone, from the Early Devonian, 394 to 422 million years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone. Age: Silurian, 422 to 428 million years old. About 6 mi of the line.
Limestone. Age: Middle Devonian, 384 to 394 million years old. About 6 mi of the line.
Sandstone. Age: Early Devonian, 394 to 422 million years old. About 4 mi of the line.
Dolostone. Age: Middle Devonian, 384 to 394 million years old. About 4 mi of the line.
Limestone. Age: Middle Devonian, 384 to 394 million years old. About 1 mi of the line.
Evaporite, shale, dolostone. Age: Silurian, 422 to 428 million years old. About 0.9 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 Ida reaches Lake Erie by way of the Rauch Drain and North Branch Otter Creek: about 10 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 Ida; river miles along the main stem, rounded.
Ida has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 15° in January. About 36 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1985 at Tecumseh, 20 miles west-northwest, 140 ft higher. NOAA, through RCC-ACIS.
