county: BOONE | location: COLUMBIA RGNL AP | lat: 38.817 | long: -92.218 | elev: 893 ft.
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) spring fall season
length*
spring fall season
length*
spring fall season
length*
spring fall season
length*
spring fall season
length*
36 5/5 9/26 192 4/28 10/4 179 4/22 10/10 170 4/15 10/17 162 4/6 10/25 149
32 4/24 10/6 215 4/16 10/17 203 4/9 10/23 195 4/4 10/29 186 3/27 11/6 174
28 4/15 10/18 237 4/7 10/28 224 4/1 11/3 215 3/26 11/9 207 3/17 11/19 194
24 4/6 10/31 261 3/29 11/7 247 3/21 11/14 237 3/15 11/22 227 3/4 12/1 214

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