Length of 'Freeze Free' Season Probabilities


HOQUIAM FCWOS AP, WASHINGTON (453807)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 89 148 158 163 170 175 187 193 199 208 227
32.5 158 186 198 208 218 222 228 237 253 274 289
28.5 200 245 269 288 305 322 *** *** *** *** ***
24.5 251 315 *** *** *** *** *** *** *** *** ***
20.5 313 *** *** *** *** *** *** *** *** *** ***
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