COLUMBIA--BLO ROCK ISLAND DAM (RISW1)

Observed    Forecast/Trend Issued: 2026-04-14 16:54 PDT
Date/Time (PDT)Pool Height    Date/Time (PDT)Pool Height
2026-04-14 00:00611.88    2026-04-14 23:00612.26
2026-04-13 00:00612.21    2026-04-15 05:00612.26
2026-04-12 00:00611.78    2026-04-15 11:00612.26
2026-04-11 00:00612.01    2026-04-15 17:00612.26
2026-04-10 00:00611.82    2026-04-15 23:00612.26
2026-04-09 00:00611.44    2026-04-16 05:00612.26
2026-04-08 00:00611.85    2026-04-16 11:00612.26
2026-04-07 00:00611.73    2026-04-16 17:00612.26
2026-04-06 00:00611.84    2026-04-16 23:00612.26
2026-04-05 00:00611.75    2026-04-17 05:00612.26
2026-04-04 00:00611.79    2026-04-17 11:00612.26
      2026-04-17 17:00612.26
      2026-04-17 23:00612.26
      2026-04-18 05:00612.26
      2026-04-18 11:00612.26
      2026-04-18 17:00612.26
      2026-04-18 23:00612.26
      2026-04-19 05:00612.26
      2026-04-19 11:00612.26
      2026-04-19 17:00612.26
      2026-04-19 23:00612.26
      2026-04-20 05:00612.26
      2026-04-20 11:00612.26
      2026-04-20 17:00612.26
      2026-04-20 23:00612.26
      2026-04-21 05:00612.26
      2026-04-21 11:00612.26
      2026-04-21 17:00612.26
      2026-04-21 23:00612.26
      2026-04-22 05:00612.26
      2026-04-22 11:00612.26
      2026-04-22 17:00612.26
      2026-04-22 23:00612.26
      2026-04-23 05:00612.26
      2026-04-23 11:00612.26
      2026-04-23 17:00612.26
      2026-04-23 23:00612.26
      2026-04-24 05:00612.26