Climate Zone Subtype C
Marine (C) definition—Locations meeting all four criteria:
1. Mean temperature of coldest month between 27°F (-3°C) and 65°F (18°C)
2. Warmest month mean < 72°F (22°C)
3. At least four months with mean temperatures over 50°F (10°C)
4. Dry season in summer. The month with the heaviest precipitation in the cold season has at least three times as much precipitation as the month with the least precipitation in the rest of the year. The cold season is October through March in the Northern Hemisphere and April through September in the Southern Hemisphere.
The following places are categorized as subtype C climate zones:
- Alameda County, California
- Benton County, Oregon
- Clackamas County, Oregon
- Clallam County, Washington
- Clark County, Washington
- Clatsop County, Oregon
- Columbia County, Oregon
- Coos County, Oregon
- Cowlitz County, Washington
- Curry County, Oregon
- Douglas County, Oregon
- Grays Harbor County, Washington
- Jackson County, Oregon
- Jefferson County, Washington
- Josephine County, Oregon
- King County, Washington
- Kitsap County, Washington
- Lane County, Oregon
- Lewis County, Washington
- Lincoln County, Oregon
- Linn County, Oregon
- Marin County, California
- Marion County, Oregon
- Mason County, Washington
- Mendocino County, California
- Monterey County, California
- Multnomah County, Oregon
- Napa County, California
- Pacific County, Washington
- Pierce County, Washington
- Polk County, Oregon
- San Benito County, California
- San Francisco County, California
- San Luis Obispo County, California
- San Mateo County, California
- Santa Barbara County, California
- Santa Clara County, California
- Santa Cruz County, California
- Skagit County, Washington
- Snohomish County, Washington
- Sonoma County, California
- Thurston County, Washington
- Tillamook County, Oregon
- Ventura County, California
- Wahkiakum County, Washington
- Washington County, Oregon
- Whatcom County, Washington
- Yamhill County, Oregon