Length of 'Freeze Free' Season Probabilities


CEDAR LAKE, WASHINGTON (451233)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 71 115 122 130 138 146 150 152 157 165 187
32.5 122 153 166 171 178 182 189 199 205 215 267
28.5 171 202 211 216 227 237 250 262 269 291 ***
24.5 216 251 268 275 285 291 313 *** *** *** ***
20.5 251 285 299 332 *** *** *** *** *** *** ***
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