Length of 'Freeze Free' Season Probabilities
SILVERTON, OREGON (357823)
Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
36.5
| 125
| 141
| 155
| 162
| 169
| 175
| 178
| 180
| 186
| 196
| 225
|
32.5
| 167
| 188
| 198
| 200
| 207
| 216
| 225
| 231
| 239
| 247
| 259
|
28.5
| 208
| 237
| 249
| 261
| 266
| 271
| 274
| 284
| 303
| 324
| ***
|
24.5
| 241
| 301
| 316
| 344
| ***
| ***
| ***
| ***
| ***
| ***
| ***
|
20.5
| 280
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
|
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