Tehama County
County
Heat class IV · 1991-2020 normals
Climate normals in three numbers
, Apr 1 – Oct 31
520 GridMET cells cover this region
season rain, Apr 1 – Oct 31
59 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
6.2
pH, 1:1 water
10.3cm
, whole profile
81cm
to
Well drained
, dominant condition
Distribution across 613 · mean ◆, median │, p10–p90 bar
Dominant
- 14.6%
- 10.5%
- 7.4%
- 4.6%
- 4.0%
613 map units · soil described over 95.4% of the region’s area · 8.1% is water, rock outcrop or other non-soil · 82% of the described area has a restrictive layer within the profile.
Sand, silt and clay, against every other appellation
Loam
45% sand · 35% silt · 20% clay
Sandier than 63% of California appellations and clayier than 34%. Each grey point is one appellation’s topsoil; appellations nest, so this is a distribution of places rather than of land.
Plus 24% 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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Price per ton
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