Length of 'Freeze Free' Season Probabilities
N WILLAMETTE EXP STN, (356151)
Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
36.5
| 81
| 119
| 139
| 144
| 151
| 153
| 158
| 160
| 169
| 183
| 194
|
32.5
| 150
| 170
| 174
| 180
| 189
| 197
| 204
| 210
| 223
| 236
| 246
|
28.5
| 205
| 211
| 221
| 241
| 245
| 251
| 268
| 277
| 283
| 294
| ***
|
24.5
| 263
| 284
| 307
| 320
| 340
| ***
| ***
| ***
| ***
| ***
| ***
|
20.5
| 291
| 317
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
|
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