The Stockett 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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Showers likely; cooler
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74° on Nov. 12, 1999, the hottest reading for this week of the year since 1891. Next is 72° in 1990.
Stockett’s center stands about 3,740 ft above sea level. Within three miles the land runs from 3,510 ft to 4,170 ft, a difference of 660 ft: hilly country. The highest named summit within 15 miles is Belt Butte, about 4,630 ft, 14 miles east.
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 10×. 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. Age: Early Cretaceous, 113 to 125 million years old. About 11 mi of the line.
Conglomerate. Age: Early Cretaceous, 125 to 133 million years old. About 6 mi of the line.
Limestone, mudstone, sandstone. Age: Middle Jurassic to Early Cretaceous, 129 to 172 million years old. About 6 mi of the line.
Sandstone. Age: Early Cretaceous, 100 to 125 million years old. About 2 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 Stockett reaches the Gulf of America by way of Cottonwood Creek, Sand Coulee Creek, the Missouri and the Mississippi: about 3,300 river miles.
Lakes on the way: Lake Oahe, Lake Sakakawea, Lake Fort Peck and Lake Sharpe.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Stockett; river miles along the main stem, rounded.
Stockett has a cold semi-arid climate. Summer afternoons average 84° in July; winter nights fall to about 15° in January. A normal year brings about 66 inches of snow; with the rain, that comes to about 15 inches of water.
On November 14 Stockett normally reaches 44° and falls to 24°. The record high is 71°, in 1999; the record low −16°, in 2014. The most rain on this date, 0.44 in, fell in 1955.
Normals 1991–2020 and records since 1891 from the Great Falls Area threaded record (Great Falls Airport, 13 miles northwest). NOAA, through RCC-ACIS.
