4 ms·"Hottest on record" here means "hottest since 1950"(when proper record keeping began).by marchenko 10y ago"Hottest on record" here means "hottest since 1950"(when proper record keeping began).pavlov 10y agoIsn't that what "highest on record" always means? Highest value since the start of the record.ajnin 10y agoI don't know where your quote comes from but actually the record (as stated in the source NOAA publication) starts in 1880.deleted 10y ago[deleted]