COLUMBIA--BLO ROCK ISLAND DAM (RISW1)

Observed    Forecast/Trend Issued: 2026-06-10 15:45 PDT
Date/Time (PDT)Pool Height    Date/Time (PDT)Pool Height
2026-06-10 00:00612.1    2026-06-10 23:00611.97
2026-06-09 00:00612.2    2026-06-11 05:00611.97
2026-06-08 00:00612.27    2026-06-11 11:00611.97
2026-06-07 00:00612.15    2026-06-11 17:00611.97
2026-06-06 00:00611.95    2026-06-11 23:00611.97
2026-06-05 00:00612.38    2026-06-12 05:00611.97
2026-06-04 00:00612.36    2026-06-12 11:00611.97
2026-06-03 00:00612.46    2026-06-12 17:00611.97
2026-06-02 00:00612.27    2026-06-12 23:00611.97
2026-06-01 00:00612.54    2026-06-13 05:00611.97
2026-05-31 00:00612.18    2026-06-13 11:00611.97
      2026-06-13 17:00611.97
      2026-06-13 23:00611.97
      2026-06-14 05:00611.97
      2026-06-14 11:00611.97
      2026-06-14 17:00611.97
      2026-06-14 23:00611.97
      2026-06-15 05:00611.97
      2026-06-15 11:00611.97
      2026-06-15 17:00611.97
      2026-06-15 23:00611.97
      2026-06-16 05:00611.97
      2026-06-16 11:00611.97
      2026-06-16 17:00611.97
      2026-06-16 23:00611.97
      2026-06-17 05:00611.97
      2026-06-17 11:00611.97
      2026-06-17 17:00611.97
      2026-06-17 23:00611.97
      2026-06-18 05:00611.97
      2026-06-18 11:00611.97
      2026-06-18 17:00611.97
      2026-06-18 23:00611.97
      2026-06-19 05:00611.97
      2026-06-19 11:00611.97
      2026-06-19 17:00611.97
      2026-06-19 23:00611.97
      2026-06-20 05:00611.97