The Orangeville 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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74° on Nov. 11, 2022, the hottest reading for this week of the year since 1929. Next is 71° in 2010.
Orangeville’s center stands about 780 ft above sea level. Within three miles the land runs from 740 ft to 990 ft, a difference of 250 ft: rolling country. The highest named summit within 15 miles is The Hogback, about 960 ft, 8 miles southeast.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 49×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale. Age: Carboniferous, 324 to 359 million years old. About 13 mi of the line.
Sandstone. Age: Carboniferous, 324 to 359 million years old. About 8 mi of the line.
Shale. Age: Carboniferous, 324 to 359 million years old. About 3 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 Orangeville reaches Lake Michigan by way of Orangeville Creek, the Gun and the Kalamazoo: about 70 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
50 miles of the trip are on the Kalamazoo.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Orangeville; river miles along the main stem, rounded.
Orangeville has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 19° in January. About 40 inches of rain fall in a normal year.
On November 14 Orangeville normally reaches 49° and falls to 34°. The record high is 69°, in 2010; the record low 13°, in 1986. The most rain on this date, 1.05 in, fell in 1957.
Normals 1991–2020 and records since 1929 at Gull Lake Biological Station, 13 miles south-southeast, 140 ft higher. NOAA, through RCC-ACIS.
