The Gibson 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, 2020, the hottest reading for this week of the year since 1895. Next is 75° in 2022.
Gibson’s center stands about 720 ft above sea level. Within three miles the land runs from 660 ft to 850 ft, a difference of 190 ft: gently rolling country.
Under the town center the state geologic map shows Saginaw Formation (sandstone, shale), from the Carboniferous, 299 to 324 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 62×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, shale. Age: Carboniferous, 299 to 324 million years old. About 23 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 Gibson reaches Lake Huron by way of the Sunsmith Drain and the South Branch Pine: about 17 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Often dry. About 90% of the way is mapped as streams that run only after rain or snowmelt; the water makes the whole trip in floods.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Gibson; river miles along the main stem, rounded.
Gibson has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 14° in January. About 31 inches of rain fall in a normal year.
On November 14 Gibson normally reaches 45° and falls to 31°. The record high is 65°, in 1989; the record low 9°, in 1986. The most rain on this date, 1.12 in, fell in 1957.
Normals 1991–2020 and records since 1895 at Standish 4 NE, 12 miles east-northeast, 100 ft lower. NOAA, through RCC-ACIS.
