COLUMBIA--BLO ROCK ISLAND DAM (RISW1)

Observed    Forecast/Trend Issued: 2026-01-27 09:28 PST
Date/Time (PST)Pool Height    Date/Time (PST)Pool Height
2026-01-27 00:00612.23    2026-01-27 22:00612.08
2026-01-26 00:00612.03    2026-01-28 04:00612.08
2026-01-25 00:00611.92    2026-01-28 10:00612.08
2026-01-24 00:00611.67    2026-01-28 16:00612.08
2026-01-23 00:00611.51    2026-01-28 22:00612.08
2026-01-22 00:00611.81    2026-01-29 04:00612.08
2026-01-21 00:00611.67    2026-01-29 10:00612.08
2026-01-20 00:00612.06    2026-01-29 16:00612.08
2026-01-19 00:00612.18    2026-01-29 22:00612.08
2026-01-18 00:00611.38    2026-01-30 04:00612.08
2026-01-17 00:00611.93    2026-01-30 10:00612.08
      2026-01-30 16:00612.08
      2026-01-30 22:00612.08
      2026-01-31 04:00612.08
      2026-01-31 10:00612.08
      2026-01-31 16:00612.08
      2026-01-31 22:00612.08
      2026-02-01 04:00612.08
      2026-02-01 10:00612.08
      2026-02-01 16:00612.08
      2026-02-01 22:00612.08
      2026-02-02 04:00612.08
      2026-02-02 10:00612.08
      2026-02-02 16:00612.08
      2026-02-02 22:00612.08
      2026-02-03 04:00612.08
      2026-02-03 10:00612.08
      2026-02-03 16:00612.08
      2026-02-03 22:00612.08
      2026-02-04 04:00612.08
      2026-02-04 10:00612.08
      2026-02-04 16:00612.08
      2026-02-04 22:00612.08
      2026-02-05 04:00612.08
      2026-02-05 10:00612.08
      2026-02-05 16:00612.08
      2026-02-05 22:00612.08
      2026-02-06 04:00612.08