Length of 'Freeze Free' Season Probabilities
JOHN DAY DAM, e: (454035)
| Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
| 36.5
| 160
| 169
| 180
| 190
| 200
| 202
| 204
| 207
| 222
| 238
| 243
|
| 32.5
| 200
| 212
| 229
| 233
| 234
| 235
| 236
| 238
| 244
| 261
| 275
|
| 28.5
| 205
| 218
| 236
| 243
| 252
| 260
| 263
| 266
| 281
| ***
| ***
|
| 24.5
| 205
| 239
| 286
| 300
| 307
| 332
| ***
| ***
| ***
| ***
| ***
|
| 20.5
| 301
| 305
| 311
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
|
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