COLUMBIA--MCNARY DAM (MCDW1)
| Observed | Forecast/Trend Issued: 2026-03-14 17:50 PDT | ||
| Date/Time (PDT) | Inflow | Date/Time (PDT) | Inflow |
| 2026-03-15 00:00 | 234100 | 2026-03-15 05:00 | 255846.08 |
| 2026-03-14 00:00 | 204600 | 2026-03-15 11:00 | 264073.88 |
| 2026-03-13 00:00 | 191400 | 2026-03-15 17:00 | 267090.6 |
| 2026-03-12 00:00 | 172300 | 2026-03-15 23:00 | 260435.3 |
| 2026-03-11 00:00 | 157500 | 2026-03-16 05:00 | 247448.68 |
| 2026-03-10 00:00 | 162500 | 2026-03-16 11:00 | 234844.42 |
| 2026-03-09 00:00 | 182400 | 2026-03-16 17:00 | 226068.54 |
| 2026-03-08 00:00 | 177200 | 2026-03-16 23:00 | 220340.7 |
| 2026-03-07 01:00 | 154800 | 2026-03-17 05:00 | 215568.36 |
| 2026-03-06 01:00 | 148000 | 2026-03-17 11:00 | 211019.92 |
| 2026-03-05 01:00 | 158700 | 2026-03-17 17:00 | 207124.28 |
| 2026-03-17 23:00 | 204164.7 | ||
| 2026-03-18 05:00 | 202198 | ||
| 2026-03-18 11:00 | 201218.22 | ||
| 2026-03-18 17:00 | 201129.08 | ||
| 2026-03-18 23:00 | 201726.98 | ||
| 2026-03-19 05:00 | 202785.72 | ||
| 2026-03-19 11:00 | 204165.32 | ||
| 2026-03-19 17:00 | 205818.9 | ||
| 2026-03-19 23:00 | 207746.1 | ||
| 2026-03-20 05:00 | 210001.08 | ||
| 2026-03-20 11:00 | 212579.7 | ||
| 2026-03-20 17:00 | 215355.74 | ||
| 2026-03-20 23:00 | 218160.62 | ||
| 2026-03-21 05:00 | 220940 | ||
| 2026-03-21 11:00 | 224007.5 | ||
| 2026-03-21 17:00 | 227578.3 | ||
| 2026-03-21 23:00 | 231430.38 | ||
| 2026-03-22 05:00 | 235404.7 | ||
| 2026-03-22 11:00 | 239456.82 | ||
| 2026-03-22 17:00 | 243377.68 | ||
| 2026-03-22 23:00 | 246764.1 | ||
| 2026-03-23 05:00 | 249291.4 | ||
| 2026-03-23 11:00 | 250866.76 | ||
| 2026-03-23 17:00 | 251516.24 | ||
| 2026-03-23 23:00 | 251281.82 | ||
| 2026-03-24 05:00 | 250279.24 | ||