The Lockwood 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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92° on Nov. 16, 2008, the hottest reading for this week of the year since 1902. Next is 91° in 1933.
Lockwood’s center stands about 960 ft above sea level. Within three miles the land runs from 840 ft to 1,590 ft, a difference of 750 ft: hilly country. The highest named summit within 15 miles is Lion Peak, about 3,460 ft, 15 miles west-southwest.
Under the town center the state geologic map shows Quaternary alluvium and marine deposits (coarse-detrital), from the Pleistocene to Holocene, less than 2.6 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 9×. 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, mudstone. Age: Oligocene to Pliocene, 2.6 to 34 million years old. About 10 mi of the line.
Sandstone. Age: Late Cretaceous to Paleocene, 56 to 100 million years old. About 4 mi of the line.
Coarse-detrital. Age: Pleistocene to Holocene, less than 2.6 million years old. About 4 mi of the line.
Sandstone, conglomerate. Age: Miocene to Pleistocene, less than 23 million years old. About 2 mi of the line.
Coarse-detrital. Age: Pleistocene, less than 2.6 million years old. About 2 mi of the line.
Sandstone, mudstone. Age: Jurassic to Cretaceous, 66 to 202 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. 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 Lockwood reaches the Pacific Ocean by way of Lake San Antonio, the San Antonio and the Salinas: about 130 river miles.
Lake on the way: Lake San Antonio.
100 miles of the trip are on the Salinas.
Often dry. About 70% 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 Lockwood; river miles along the main stem, rounded.
Lockwood has a cold semi-arid climate. Summer afternoons average 85° in July; winter nights fall to about 37° in December. About 12 inches of rain fall in a normal year.
On November 14 Lockwood normally reaches 70° and falls to 41°. The record high is 91°, in 1933; the record low 24°, in 1955. The most rain on this date, 1.50 in, fell in 1972.
Normals 1991–2020 and records since 1902 at King City, 19 miles north, 640 ft lower. NOAA, through RCC-ACIS.
