Length of 'Freeze Free' Season Probabilities


SPOUT SPRINGS SKI LO, (358000)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 1 68 999 141 149 161 171 175 179 182 189
32.5 104 148 999 208 209 211 219 222 226 240 255
28.5 175 228 999 270 274 289 297 307 *** *** ***
24.5 303 *** 999 *** *** *** *** *** *** *** ***
20.5 *** *** 999 *** *** *** *** *** *** *** ***
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