The Cutter 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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90° on Nov. 12, 1934, the hottest reading for this week of the year since 1900. Next is 89° in 1906.
Cutter’s center stands about 3,160 ft above sea level. Within three miles the land runs from 3,050 ft to 3,680 ft, a difference of 630 ft: hilly country. The highest named summit within 15 miles is Pinal Peak, about 7,820 ft, 11 miles west-southwest.
Under the town center the state geologic map shows Quaternary surficial deposits, undivided (sand, silt, clay), from the Pleistocene to Holocene, less than 2 million years old.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 4×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sand, silt, clay. Age: Pleistocene to Holocene, less than 2 million years old. About 10 mi of the line.
Conglomerate, sandstone. Age: Early Miocene to Pleistocene, 2 to 16 million years old. About 4 mi of the line.
Metasedimentary, schist. Age: Paleoproterozoic, 1.6 to 1.8 billion years old. About 3 mi of the line.
Granite, granodiorite, tonalite. Age: Paleoproterozoic, 1.6 to 1.8 billion years old. About 3 mi of the line.
Gravel, sand. Age: Late Pliocene to Pleistocene, 0.8 to 3 million years old. About 2 mi of the line.
Limestone, dolostone, quartzite. Age: Neoproterozoic to Early Triassic, 248 to 544 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. 1 smaller unit along the line are not listed.
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 Cutter reaches the Gulf of California by way of Ramboz Wash, Gilson Wash, the San Carlos, the Gila and the Colorado: about 520 river miles.
370 miles of the trip are on the Gila.
Often dry. About 60% of the way is mapped as streams that run only after rain or snowmelt; the water makes the whole trip in floods.
Seldom reaches the sea. Dams and canals now take nearly all of the Colorado before its old delta in Mexico.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Cutter; river miles along the main stem, rounded.
Cutter has a hot semi-arid climate. Summer afternoons average 99° in July; winter nights fall to about 31° in January. About 13 inches of rain fall in a normal year.
On November 14 Cutter normally reaches 69° and falls to 39°. The record high is 89°, in 1906; the record low 22°, in 1938. The most rain on this date, 1.07 in, fell in 1968.
Normals 1991–2020 and records since 1900 at San Carlos Reservoir, 14 miles south-southeast, 630 ft lower. NOAA, through RCC-ACIS.
