county: BOONE | location: COLUMBIA RGNL AP | lat: 38.817 | long: -92.218 | elev: 893 ft.
Temp Freeze Dates (month/day)
Probability of later date in spring (through Jul 31) or earlier date in fall (beginning Aug 1) than indicated.*
10% 30% 50% 70% 90%
(°F) spring fall spring fall spring fall spring fall spring fall
36 5/5 9/26 4/28 10/4 4/22 10/10 4/15 10/17 4/6 10/25
32 4/24 10/6 4/16 10/17 4/9 10/23 4/4 10/29 3/27 11/6
28 4/15 10/18 4/7 10/28 4/1 11/3 3/26 11/9 3/17 11/19
24 4/6 10/31 3/29 11/7 3/21 11/14 3/15 11/22 3/4 12/1

* Probability of observing a temperature as cold or colder than the indicated threshold.

Temp (°F) Freeze Free Period
Probability of longer than indicated freeze free period (Days).
10% 30% 50% 70% 90%
36 192 179 170 162 149
32 215 203 195 186 174
28 237 224 215 207 194
24 261 247 237 227 214