county: LEWIS | location: CANTON L&D 20 | lat: 40.143 | long: -91.516 | elev: 490 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 5/7 9/26 4/29 10/4 4/22 10/12 4/16 10/17 4/8 10/25
32 4/27 10/5 4/17 10/16 4/11 10/22 4/6 10/28 3/30 11/5
28 4/16 10/18 4/8 10/28 4/3 11/2 3/28 11/8 3/18 11/17
24 4/8 11/1 3/31 11/7 3/24 11/13 3/17 11/20 3/8 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%
36 191 179 170 162 149
32 212 200 192 183 171
28 234 221 213 205 193
24 256 243 233 224 212