Length of 'Freeze Free' Season Probabilities
WALLA WALLA RGNL AP, (458928)
| Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
| 36.5
| 130
| 140
| 148
| 156
| 166
| 169
| 176
| 179
| 184
| 192
| 214
|
| 32.5
| 160
| 182
| 188
| 198
| 200
| 206
| 210
| 215
| 229
| 238
| 255
|
| 28.5
| 183
| 206
| 223
| 232
| 239
| 243
| 259
| 264
| 274
| 289
| 303
|
| 24.5
| 217
| 240
| 250
| 264
| 270
| 276
| 297
| 309
| 322
| ***
| ***
|
| 20.5
| 230
| 270
| 276
| 298
| 308
| 314
| ***
| ***
| ***
| ***
| ***
|
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