Missouri Frost / Freeze Probabilities Guide

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To obtain frost/freeze data by county in tabular form, please use drop down menu to the right. Some counties may not be listed due to unavailable data. Your results will appear at the bottom of this page.


county: BOONE | location: COLUMBIA RGNL AP | lat: 38.820 | long: -92.220 | elev: 893

Temp Probability of observing a temperature as cold, or colder, later in the spring or earlier in the fall than the indicated date.
10% 30% 50% 70% 90%
(°F) fall fall fall fall fall
32 10/6 10/17 10/23 10/29 11/6

*Season length: number of days between last spring and first fall temperature thresholds, i.e. 36, 32, 28 and 24°F.