2024-28438. Proposed Establishment of the Columbia Hills Viticultural Area

Table 1—Average Growing Season Temperatures in Degrees Fahrenheit

Location (direction from proposed AVA)	2017	2018	2019	2020	2021
The Dalles (within)	65.9	66.2	64	65.3	67.7
Maryhill (within)	65.1	65.3	63.9	65.2	66.6
Goldendale (north)	58.7	58.3	57	58.5	59.5
Moro (south)	N/A	59.7	58	58.7	59.2
Underwood (west)	61.1	61.4	59.6	60.9	62
Husum (west)	59.7	60.2	58.7	59.9	60.2

Table 2—Growing Degree Day Accumulations

Location (direction from proposed AVA)	2017	2018	2019	2020	2021
The Dalles (within)	3,431	3,483	3,097	3,348	3,802
Maryhill (within)	3,275	3,309	3,091	3,338	3,588
Goldendale (north)	2,205	2,012	1,834	2,112	2,309
Moro (south)	N/A	2,255	2,006	2,128	2,229
Underwood (west)	2,530	2,537	2,258	2,472	2,647
Husum (west)	2,287	2,284	2,107	2,249	2,345

Table 3—Frost-Free Days

Location (direction from proposed AVA)	2017	2018	2019	2020	2021
The Dalles (within)	254	239	223	194	220
Maryhill (within)	253	220	208	220	246
Goldendale (north)	142	148	148	164	158
Moro (south)	N/A	173	163	174	168

Table 4—Average Growing Season Maximum and Minimum Temperatures in Degrees Fahrenheit

Location (direction from proposed AVA)	2017		2018		2019		2020		2021
	Max	Min.	Max	Min.	Max	Min.	Max	Min.	Max	Min.
The Dalles (within)	78.2	53.5	78.6	53.7	74.9	53	77.5	53	80.2	55.3
Maryhill (within)	76.8	53.9	76.8	54.4	74.5	54	76.5	54.4	78.3	55.3
Goldendale (north)	75	43	75	42	72	43	75	42	77	42
Moro (south)	N/A		75	44	70	46	73	45	75	46