The Datto 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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Partly cloudy; warmer
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5.05 inches of rain fell in two days, the most for this week of the year since records began in 1893. The next wettest, 4.71 inches, fell in 1957.
Datto’s center stands about 290 ft above sea level. Within three miles the land runs from 270 ft to 300 ft, a difference of 30 ft: nearly flat ground. The highest named summit within 15 miles is Aunt Lucy Hill, about 500 ft, 15 miles west-southwest.
Under the town center the state geologic map shows Dune sand, from the Pleistocene, less than 2.6 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.
Coarse-detrital, fine-detrital. Age: Holocene, less than 12,000 years old. About 8 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 million years old. About 7 mi of the line.
Dolostone. Age: Early Ordovician, 471 to 487 million years old. About 4 mi of the line.
Sand. Age: Pleistocene, less than 2.6 million years old. About 2 mi of the line.
Sandstone, mudstone. Age: Cretaceous, 66 to 145 million years old. About 2 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene to Holocene, less than 2.6 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 Datto reaches the Gulf of America by way of Murray Creek, the Black River, the White River and the Mississippi: about 1,000 river miles.
620 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Datto; river miles along the main stem, rounded.
Datto has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 28° in January. About 50 inches of rain fall in a normal year, with about 5 inches of snow.
On November 14 Datto normally reaches 59° and falls to 40°. The record high is 83°, in 1955; the record low 14°, in 1940. The most rain on this date, 2.64 in, fell in 1957.
Normals 1991–2020 and records since 1893 at Corning, 8 miles east. NOAA, through RCC-ACIS.
