Length of 'Freeze Free' Season Probabilities
LEWISTON WSO AP, IDAHO (105241)
| Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
| 36.5
| 120
| 133
| 138
| 144
| 146
| 152
| 157
| 165
| 174
| 189
| 200
|
| 32.5
| 140
| 153
| 166
| 172
| 178
| 187
| 192
| 200
| 205
| 213
| 256
|
| 28.5
| 170
| 194
| 202
| 208
| 215
| 223
| 233
| 239
| 245
| 267
| 294
|
| 24.5
| 178
| 234
| 244
| 246
| 254
| 269
| 288
| 298
| 310
| 328
| ***
|
| 20.5
| 231
| 246
| 267
| 278
| 294
| 299
| 311
| 318
| ***
| ***
| ***
|
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