Length of 'Freeze Free' Season Probabilities


DUNSMUIR TRTMNT PLT, (042574)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 109 124 133 142 146 151 155 158 161 166 176
32.5 145 149 164 173 178 183 185 191 197 207 227
28.5 158 203 208 216 221 225 227 239 247 258 282
24.5 233 251 263 273 277 286 304 309 325 *** ***
20.5 276 318 *** *** *** *** *** *** *** *** ***
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