The Dowagiac 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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75° on Nov. 11, 2022, the hottest reading for this week of the year since 1953. Next is 73° in 1989.
Dowagiac’s center stands about 780 ft above sea level. Within three miles the land runs from 720 ft to 890 ft, a difference of 170 ft: gently rolling country.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 54×. 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 17 mi of the line.
Shale. Age: Late Devonian, 359 to 384 million years old. About 7 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 Dowagiac reaches Lake Michigan by way of Dowagiac Creek, the Dowagiac and the Saint Joseph: about 55 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 Dowagiac; river miles along the main stem, rounded.
Dowagiac has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 16° in January. About 42 inches of rain fall in a normal year.
On November 14 Dowagiac normally reaches 48° and falls to 31°. The record high is 73°, in 1989; the record low 10°, in 2019. The most rain on this date, 1.32 in, fell in 1957.
Normals 1991–2020 and records since 1953 at Dowagiac 1 W, here. NOAA, through RCC-ACIS.
