Length of 'Freeze Free' Season Probabilities
UMATILLA s, r
(358734)
| Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
| 36.5
| 88
| 129
| 134
| 142
| 147
| 151
| 158
| 160
| 165
| 173
| 186
|
| 32.5
| 99
| 167
| 178
| 182
| 187
| 190
| 193
| 197
| 202
| 208
| 231
|
| 28.5
| 160
| 191
| 198
| 202
| 207
| 210
| 220
| 227
| 240
| 253
| 282
|
| 24.5
| 193
| 224
| 230
| 238
| 245
| 251
| 258
| 260
| 266
| 281
| ***
|
| 20.5
| 231
| 250
| 260
| 271
| 278
| 289
| 302
| 313
| ***
| ***
| ***
|
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