Length of 'Freeze Free' Season Probabilities
HILLSBORO, OREGON (353908)
| Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
| 36.5
| 29
| 113
| 126
| 131
| 137
| 140
| 144
| 152
| 160
| 178
| 251
|
| 32.5
| 106
| 145
| 151
| 172
| 176
| 182
| 187
| 198
| 212
| 236
| 266
|
| 28.5
| 138
| 198
| 210
| 226
| 238
| 251
| 259
| 267
| 278
| 290
| ***
|
| 24.5
| 235
| 258
| 270
| 298
| 308
| 319
| 340
| ***
| ***
| ***
| ***
|
| 20.5
| 252
| 308
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
|
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