| # | ID | HSA | Description | State | County | Elevation (FT) | Observation Time (UTC) | Stage (FT) | Discharge (CFS) | Status |
| 0 | | PQR | COLUMBIA - AT LONGVIEW | WA | COWLITZ | 1 | 2026-05-09 14:12:00 | 5.387 | | 0 |
| 1 | | SEW | COWLITZ - NEAR KOSMOS | WA | LEWIS | 780 | 2026-05-09 13:30:00 | 861.42 | | 0 |
| 2 | | PQR | COWLITZ - AT CASTLE ROCK | WA | COWLITZ | 20 | 2026-05-09 13:30:00 | 34.68 | 7019 | 0 |
| 3 | | PQR | COWLITZ - AT KELSO | WA | COWLITZ | 2 | 2026-05-09 14:11:59 | 11.6 | | 0 |
| 4 | | SEW | COWLITZ - AT PACKWOOD | WA | LEWIS | 1048 | 2026-05-09 14:00:00 | 2.21 | 1762 | 0 |
| 5 | | SEW | COWLITZ - AT RANDLE | WA | LEWIS | 890 | 2026-05-09 14:15:00 | 6.67 | 2493 | 0 |
| 6 | | SEW | COWLITZ - BELOW MAYFIELD DAM | WA | LEWIS | 227 | 2026-05-09 14:00:00 | 11.55 | 5117 | 0 |
| 7 | | PQR | COWLITZ - MAYFIELD RESERVOIR | WA | LEWIS | 280 | 2026-05-09 12:00:00 | 422.44 | | 0 |
| 8 | | SEW | COWLITZ - MOSSYROCK RESERVOIR | WA | LEWIS | 679 | 2026-05-09 12:00:00 | 748.05 | | 0 |
| 9 | | PQR | LEWIS - ARIEL | WA | COWLITZ | 44 | 2026-05-09 14:15:00 | 2.64 | 2857 | 0 |
| 10 | | PQR | LEWIS - MERWIN DAM | WA | COWLITZ | 240 | 2026-05-09 10:00:00 | 236.8698 | | 0 |
| 11 | | PQR | TOUTLE - AT TOWER ROAD NEAR SILVER LAKE | WA | COWLITZ | 170 | 2026-05-09 13:45:00 | 121.21 | 1147 | 0 |
| 12 | | PQR | NF TOUTLE - BLOW SEDIMENT RETENT STRUC | WA | COWLITZ | 770 | 2026-05-09 14:00:00 | 33.63 | 105 | 0 |
| 13 | | PQR | UNK - NR COUGAR | WA | COWLITZ | 490 | 2026-05-09 14:00:00 | 478.13 | | 0 |
| 14 | | PQR | COLDWATER LAKE EXIT CANAL | WA | COWLITZ | 2442 | 2026-05-09 12:30:00 | 16.76 | | 0 |
| 15 | | PQR | COLUMBIA RIV AT KALAMA | WA | COWLITZ | 0 | 2026-05-09 14:18:00 | 4.86 | | 0 |
| 16 | | PQR | SPIRIT | WA | COWLITZ | 3120 | 2026-05-09 14:15:00 | 1.41 | | 0 |
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