Length of 'Freeze Free' Season Probabilities


ASTORIA st, (350324)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 137 170 178 190 201 207 214 224 228 238 256
32.5 152 201 214 231 246 258 269 286 310 *** ***
28.5 227 277 298 *** *** *** *** *** *** *** ***
24.5 251 *** *** *** *** *** *** *** *** *** ***
20.5 344 *** *** *** *** *** *** *** *** *** ***
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