COVID19 公表されない第一の波 https://public.tableau.com/app/profile/.10981632/viz/_16823360497460/COVID-19_10
@EliotJacobson: Apologies in advance for not explaining this in any way, but here are the daily standard deviations for Antarctic sea ice extent for every day, 1989-2023, based on the 1991-2020 mean. Each blue line represents the SD’s for a full year. Lighter is more recent. 2023 is in red.
日記2023-07-24←日記2023-07-25→日記2023-07-26 100日前 日記2023-04-16 1年前 日記2022-07-25