Length of 'Freeze Free' Season Probabilities


SUNNYSIDE, WASHINGTON (458207)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 65 105 111 119 125 130 133 136 141 154 183
32.5 117 134 138 146 151 155 163 170 175 193 210
28.5 142 169 176 185 190 196 202 206 214 222 273
24.5 165 194 202 211 218 227 231 237 246 262 299
20.5 197 227 237 252 259 267 278 285 297 316 ***
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