SNAKE--ICE HARBOR DAM (IHDW1)
| Observed | Forecast/Trend Issued: 2026-09-21 08:53 PDT | ||
| Date/Time (PDT) | Pool Height | Date/Time (PDT) | Pool Height |
| 2026-09-21 00:00 | 438.89 | 2026-09-21 23:00 | 438.86 |
| 2026-09-20 00:00 | 439.01 | 2026-09-22 05:00 | 438.86 |
| 2026-09-19 00:00 | 439.09 | 2026-09-22 11:00 | 438.86 |
| 2026-09-18 00:00 | 438.86 | 2026-09-22 17:00 | 438.86 |
| 2026-09-17 00:00 | 439.19 | 2026-09-22 23:00 | 438.86 |
| 2026-09-16 00:00 | 439.45 | 2026-09-23 05:00 | 438.86 |
| 2026-09-15 00:00 | 439.08 | 2026-09-23 11:00 | 438.86 |
| 2026-09-14 00:00 | 438.7 | 2026-09-23 17:00 | 438.86 |
| 2026-09-13 00:00 | 438.65 | 2026-09-23 23:00 | 438.86 |
| 2026-09-12 00:00 | 438.95 | 2026-09-24 05:00 | 438.86 |
| 2026-09-11 00:00 | 438.96 | 2026-09-24 11:00 | 438.86 |
| 2026-09-24 17:00 | 438.86 | ||
| 2026-09-24 23:00 | 438.86 | ||
| 2026-09-25 05:00 | 438.86 | ||
| 2026-09-25 11:00 | 438.86 | ||
| 2026-09-25 17:00 | 438.86 | ||
| 2026-09-25 23:00 | 438.86 | ||
| 2026-09-26 05:00 | 438.86 | ||
| 2026-09-26 11:00 | 438.86 | ||
| 2026-09-26 17:00 | 438.86 | ||
| 2026-09-26 23:00 | 438.86 | ||
| 2026-09-27 05:00 | 438.86 | ||
| 2026-09-27 11:00 | 438.86 | ||
| 2026-09-27 17:00 | 438.86 | ||
| 2026-09-27 23:00 | 438.86 | ||
| 2026-09-28 05:00 | 438.86 | ||
| 2026-09-28 11:00 | 438.86 | ||
| 2026-09-28 17:00 | 438.86 | ||
| 2026-09-28 23:00 | 438.86 | ||
| 2026-09-29 05:00 | 438.86 | ||
| 2026-09-29 11:00 | 438.86 | ||
| 2026-09-29 17:00 | 438.86 | ||
| 2026-09-29 23:00 | 438.86 | ||
| 2026-09-30 05:00 | 438.86 | ||
| 2026-09-30 11:00 | 438.86 | ||
| 2026-09-30 17:00 | 438.86 | ||
| 2026-09-30 23:00 | 438.86 | ||
| 2026-10-01 05:00 | 438.86 | ||