A line chart showing the share of winter days in Richmond with an above-freezing minimum temperature, from 2014 to 2023. Climate change is making local winters warmer than they might have otherwise been. In 2014, 56% of winter days were observed to be above freezing. Without global warming, that share would have been 42%. In 2023, 78% of winter days were mild, or 66% without the influence of climate change.