Length of 'Freeze Free' Season Probabilities


VERNONIA 2, o (358884)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 31 45 64 74 81 87 90 95 106 128 150
32.5 69 115 127 133 137 144 148 152 156 169 206
28.5 140 155 175 185 191 195 202 207 215 226 263
24.5 210 212 234 240 242 251 262 273 285 295 ***
20.5 237 250 273 293 303 319 *** *** *** *** ***
Graphic Output
 Shortest - Least number of consecutive days recorded with minimum temperature 
            above threshold.
            *** means minimum temperature below threshold has not occurred.

xx% - Percent probability that a consecutive number of days will occur with the minimum temperature not below the threshold. *** means non-occurrence of the threshold
Longest - Greatest number of consecutive days recorded with minimum temperature above threshold. *** means that at least one year occurred when minimum temperature below threshold was not recorded. Note: All periods include August 1.

Western Regional Climate Center, wrcc@dri.edu