FARGO — The sun is noticeably higher in the sky than a few weeks ago and the days are getting noticeably longer. This means more solar radiation to warm up the air in the daytime and less time for the temperature to drop at night. However, with snow typically on the ground at least some of March, much of this advantage is lost as the bright white snow reflects the increased solar radiation back into space.
Throughout our recorded weather history, there has been an average of four subzero daily low temperatures during March in Fargo and an average of six in Grand Forks. There have even been a few nights as cold as the minus-30s in March. In Fargo, there was one night colder than minus-30 in 1897 and one in 1948. Grand Forks registered minus-30 in March once in 1917 and on three nights in 1948. Cold weather in March is almost always associated with deep snow cover.
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