Yolo County
County
Heat class V · 1991-2020 normals
Climate normals in three numbers
, Apr 1 – Oct 31
204 GridMET cells cover this region
season rain, Apr 1 – Oct 31
26 mm of it in the , Sep 1 – Oct 31
Warm and cool vintages since 1980
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Rain across the season, and at harvest
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The boundary
Hovering a shaded region names it; a click opens its page.
Measured vineyard area
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Drought categories, year by year
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What's in the ground
7.0
pH, 1:1 water
22.0cm
, whole profile
155cm
to
Well drained
, dominant condition
Distribution across 204 · mean ◆, median │, p10–p90 bar
Dominant
- 9.9%
- 9.5%
- 7.9%
- 7.6%
- 7.3%
204 map units · soil described over 92.7% of the region’s area · 6.7% is water, rock outcrop or other non-soil · 35% of the described area has a restrictive layer within the profile.
Sand, silt and clay, against every other appellation
Clay loam
22% sand · 45% silt · 33% clay
Sandier than 1% of California appellations and clayier than 95%. Each grey point is one appellation’s topsoil; appellations nest, so this is a distribution of places rather than of land.
Plus 4% rock fragments by volume, which the triangle does not describe — the three fractions are of the fine-earth material only.
Elevation, slope and aspect
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Bearing acreage by variety
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