county: MARIES | location: VIENNA 2 WNW | lat: 38.202 | long: -91.981 | elev: 770 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 5/10 9/25 189 5/1 10/2 175 4/25 10/9 165 4/18 10/16 156 4/9 10/25 143
32 4/30 10/3 212 4/20 10/13 199 4/13 10/21 190 4/6 10/28 180 3/28 11/5 165
28 4/17 10/14 236 4/8 10/25 222 4/1 11/1 213 3/26 11/8 203 3/16 11/19 189
24 4/8 10/25 262 3/29 11/5 247 3/20 11/13 236 3/13 11/21 225 3/2 12/1 210

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