The Port Ludlow 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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5.71 inches of rain fell in two days, the most for this week of the year since records began in 1920. The next wettest, 4.45 inches, fell in 1981.
Port Ludlow’s center stands about 60 ft above sea level. Within three miles the land runs from 0 ft to 560 ft, a difference of 560 ft: hilly country. Open water lies within three miles. The highest named summit within 15 miles is Green Mountain, about 4,380 ft, 14 miles west-southwest.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 13×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Fine-detrital, coarse-detrital. Age: Pleistocene, less than 2.6 million years old. About 5 mi of the line.
Sandstone, siltstone. Age: Middle Eocene to Early Miocene, 16 to 48 million years old. About 4 mi of the line.
Basalt. Age: Early Paleocene to Middle Eocene, 40 to 64 million years old. About 3 mi of the line.
Fine-detrital, coarse-detrital. Age: Pleistocene, less than 2.6 million years old. About 0.8 mi of the line.
Sandstone. Age: Early Eocene to Middle Eocene, 38 to 56 million years old. About 0.8 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.
Rain that falls on Port Ludlow runs straight into Puget Sound and the Pacific Ocean.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Port Ludlow; river miles along the main stem, rounded.
Port Ludlow has a cold desert climate. Summer afternoons average 77° in July; winter nights fall to about 32° in January. Barely 0.0 inches of rain fall in a normal year.
On November 14 Port Ludlow normally reaches 51° and falls to 35°. The record high is 65°, in 1934; the record low 12°, in 1955. The most rain on this date, 3.65 in, fell in 1981.
Normals 1991–2020 and records since 1920 at Quilcene 2 SW, 13 miles southwest. NOAA, through RCC-ACIS.
