ZIP 98902 Zone 7a
Washington · USDA zone 7a, average annual extreme minimum 0°F to 5°F.
Nearest qualified station: YAKIMA #2, WA US (USC00459463), 1.8 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% | March 23 | Earlier date. A last 32°F on or after this day is common. |
| 50% | April 8 | Median. |
| 10% | April 28 | 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 9 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | October 23 | Median. |
| 90% | November 5 | 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% | 218 |
| 50% | 196 |
| 90% | 172 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | April 6 | March 16 | February 28 |
| First, on or before | October 20 | November 3 | November 22 |
| Season at least | 256 days | 229 days | 204 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 12 | April 28 | April 14 |
| First, on or before | October 1 | October 12 | October 25 |
| Season at least | 185 days | 167 days | 149 days |
Station YAKIMA #2, WA US (USC00459463). 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 348.1 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.