Do you remember what real cold feels like? You might not, as it turns out, since its been a while. The 1991-2020 average low in DC is 12, but it hasn't been below 20 since Feb 2019, almost 3 years ago. In fact, the low for 2021, 24, sets a new record for mildest annual min temp

— NWS Baltimore-Washington (@NWS_BaltWash) December 29, 2021