After yet another warm-rain-killing-snowpack event, New Hampshire Bulletin reports on analysis showing that it’s not our imagination: they really have increased.

ROS days increased 17 percent between 1981-2010 and 1991-2020, Peachey found. Even more telling is that ROS days in December increased 46 percent between the two climatologies. In the earlier climatology, ROS days peaked in April with a smaller peak in November. But in the later climatology, the smaller peak occurred in December instead.

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