Length of 'Freeze Free' Season Probabilities


WEST LINN, OREGON (359208)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 56 79 999 92 96 99 103 112 122 128 134
32.5 80 98 999 116 123 130 133 135 135 150 183
28.5 96 121 999 139 141 157 162 166 171 187 189
24.5 147 168 999 177 183 192 197 208 215 227 276
20.5 176 185 999 203 211 222 228 244 258 272 293
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