The Henrietta 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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4° on Nov. 13, 2019, the coldest reading for this week of the year since 1944. Next is 8° in 1959.
Henrietta’s center stands about 940 ft above sea level. Within three miles the land runs from 900 ft to 980 ft, a difference of 80 ft: gently rolling country. The highest named summit within 15 miles is Sugarloaf Hill, about 1,130 ft, 11 miles east-southeast.
Under the town center the state geologic map shows Bayport Limestone, from the Carboniferous, 324 to 359 million 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 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.
Sandstone, shale. Age: Carboniferous, 299 to 324 million years old. About 12 mi of the line.
Limestone. Age: Carboniferous, 324 to 359 million years old. About 10 mi of the line.
Shale. Age: Carboniferous, 324 to 359 million years old. About 1 mi of the line.
Sandstone. Age: Carboniferous, 324 to 359 million years old. About 1 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 Henrietta reaches Lake Michigan by way of Batteese Creek, the Portage and the Grand River: about 220 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 Henrietta; river miles along the main stem, rounded.
Henrietta has a hot-summer humid continental climate. Summer afternoons average 83° in July; winter nights fall to about 17° in January. About 32 inches of rain fall in a normal year.
On November 14 Henrietta normally reaches 48° and falls to 33°. The record high is 67°, in 1956; the record low 12°, in 1986. The most rain on this date, 1.01 in, fell in 1957.
Normals 1991–2020 and records since 1944 at Jackson Reynolds Field, 11 miles southwest. NOAA, through RCC-ACIS.
