county: AUDRAIN | location: VANDALIA | lat: 39.317 | long: -91.483 | elev: 764 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 5/7 9/26 189 4/29 10/3 177 4/23 10/10 169 4/17 10/16 160 4/8 10/24 148
32 4/27 10/5 212 4/18 10/15 200 4/12 10/22 191 4/6 10/28 182 3/30 11/5 170
28 4/17 10/16 234 4/8 10/26 221 4/3 11/1 212 3/28 11/7 203 3/18 11/17 190
24 4/8 10/26 256 3/31 11/5 242 3/23 11/12 232 3/17 11/19 223 3/7 12/1 209

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