Length of 'Freeze Free' Season Probabilities
SAINT HELENA, CALIFORNIA (047643)
Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
36.5
| 109
| 152
| 167
| 176
| 180
| 186
| 195
| 201
| 217
| 226
| 265
|
32.5
| 151
| 184
| 201
| 210
| 222
| 230
| 237
| 243
| 259
| 315
| ***
|
28.5
| 221
| 250
| 266
| 281
| 303
| 311
| 334
| ***
| ***
| ***
| ***
|
24.5
| 267
| 331
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
|
20.5
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
| ***
|
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