Length of 'Freeze Free' Season Probabilities


POWERS sta, (356820)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 21 86 115 123 133 143 147 151 159 168 186
32.5 127 145 163 173 183 197 208 210 218 229 246
28.5 199 218 239 247 252 270 287 295 303 *** ***
24.5 240 276 307 328 *** *** *** *** *** *** ***
20.5 *** *** *** *** *** *** *** *** *** *** ***
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