Area-averaged Extreme Minimum Temperatures in Maryland:
1 January - 31 December, 2024
This analysis identifies days when daily minimum temperatures are smaller than 32°F, 28°F, and 24°F. If these freezing days occur for two or more consecutive days they define a spell. Summary tables can be seen in the following links for days below 32°F, below 28°F, and below 24°F.
NOTE: The plots are created from preliminary NCEI's nClimDiv-Daily data set, v1.0.0. Data labeled as scaled on January 10, 2025.
The upper panel shows freezing days in open circles and freezing spells in blue-filled circles from daily minimum temperatures. The middle panel shows moderate freezing days in open circles and moderate freezing spells in blue-filled circles from daily minimum temperatures. The lower panel shows severe freezing days in open circles and severe freezing spells in blue-filled circles from daily minimum temperatures. The continuous blue line in each panel marks the 32, 28, and 24°F threshold temperatures for each case. The vertical red dotted lines mark the 1991-2020 climatological start dates of the first and last spells in the year.