ZIP 92345 Zone 8b
California · USDA zone 8b, average annual extreme minimum 15°F to 20°F.
Nearest qualified station: LAKE ARROWHEAD, CA US (USC00044671), 10.6 miles from the Census ZCTA internal point for this ZIP.
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Last 32°F in spring
NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.
| Probability | Date | How to read it |
|---|---|---|
| 90% | April 9 | Earlier date. A last 32°F on or after this day is common. |
| 50% | May 5 | Median. |
| 10% | May 31 | Later date. A last 32°F on or after this day is uncommon. |
First 32°F in fall
NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.
| Probability | Date | How to read it |
|---|---|---|
| 10% | October 12 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | November 2 | Median. |
| 90% | November 15 | Later date. A first 32°F on or before this day is common. |
32°F growing-season length
Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.
| Probability the season is at least this long | Days |
|---|---|
| 10% | 206 |
| 50% | 176 |
| 90% | 148 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 12 | April 11 | March 14 |
| First, on or before | October 31 | November 16 | November 30 |
| Season at least | 249 days | 215 days | 180 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | June 10 | May 27 | May 3 |
| First, on or before | September 30 | October 18 | November 5 |
| Season at least | 170 days | 145 days | 117 days |
Station LAKE ARROWHEAD, CA US (USC00044671). Completeness flag R, 11 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 1586.5 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.