File talk:US trewartha.svg
Question on Trewartha precipitation threshold calculation- how do the numbers add up? The formula used was "10(T-10) + 3P", where P = the percentage of annual precipitation falling in the high-sun half of the year. — Preceding unsigned comment added by Psyche da mike24 (talk • contribs) 08:52, 10 January 2017 (UTC)
There is an error in the image at the bottom — the definition for dry Cf begins "**Wet Cf represents…" instead of "**Dry Cf represents" (error bolded for emphasis) — Preceding unsigned comment added by Blocky1OOO (talk • contribs) 19:44, 15 February 2021 (UTC)
Something must be wrong
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Why is the American climates differ from 
citing the same climate classification? Either one is wrong. --Mahmudmasri (talk) 12:15, 26 May 2022 (UTC)
- This one is highly simplified, and in cases just wrong. 167.206.19.130 19:52, 19 October 2023 (UTC)
- I want to add that this was me, unintentionally commenting logged out; and by "this" I mean the one the global one. Uness232 (talk) 17:03, 28 November 2023 (UTC)
Map is now outdated
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The map is based on 1981-2010 temperature numbers. The lines have shifted northward a little since then according to the 1991-2020 numbers. For example, Block Island, Martha's Vineyard, Nantucket, the eastward-facing side of Cape Cod, and most of Long Island are now Do, yet on this map they are blue (humid continental) except for the west end of Long Island. Heff01 (talk) 21:14, 6 December 2023 (UTC)
