COLUMBIA--AT ST HELENS (SHNO3)
| Observed | Forecast/Trend Issued: 2026-07-17 10:19 PDT | ||
| Date/Time (PDT) | Velocity | Date/Time (PDT) | Velocity |
| 2026-07-17 14:00 | 2.02 | ||
| 2026-07-17 15:00 | 2.04 | ||
| 2026-07-17 16:00 | 1.94 | ||
| 2026-07-17 17:00 | 1.54 | ||
| 2026-07-17 18:00 | 0.65 | ||
| 2026-07-17 19:00 | -0.21 | ||
| 2026-07-17 20:00 | -0.31 | ||
| 2026-07-17 21:00 | 0.39 | ||
| 2026-07-17 22:00 | 1.31 | ||
| 2026-07-17 23:00 | 1.75 | ||
| 2026-07-18 00:00 | 1.82 | ||
| 2026-07-18 01:00 | 1.83 | ||
| 2026-07-18 02:00 | 1.85 | ||
| 2026-07-18 03:00 | 1.84 | ||
| 2026-07-18 04:00 | 1.67 | ||
| 2026-07-18 05:00 | 1.11 | ||
| 2026-07-18 06:00 | 0.24 | ||
| 2026-07-18 07:00 | -0.3 | ||
| 2026-07-18 08:00 | -0.04 | ||
| 2026-07-18 09:00 | 0.81 | ||
| 2026-07-18 10:00 | 1.52 | ||
| 2026-07-18 11:00 | 1.77 | ||
| 2026-07-18 12:00 | 1.81 | ||
| 2026-07-18 13:00 | 1.85 | ||
| 2026-07-18 14:00 | 1.91 | ||
| 2026-07-18 15:00 | 1.96 | ||
| 2026-07-18 16:00 | 1.93 | ||
| 2026-07-18 17:00 | 1.69 | ||
| 2026-07-18 18:00 | 1 | ||
| 2026-07-18 19:00 | 0.04 | ||
| 2026-07-18 20:00 | -0.49 | ||
| 2026-07-18 21:00 | -0.2 | ||
| 2026-07-18 22:00 | 0.69 | ||
| 2026-07-18 23:00 | 1.48 | ||
| 2026-07-19 00:00 | 1.75 | ||
| 2026-07-19 01:00 | 1.78 | ||
| 2026-07-19 02:00 | 1.8 | ||
| 2026-07-19 03:00 | 1.84 | ||
| 2026-07-19 04:00 | 1.83 | ||
| 2026-07-19 05:00 | 1.65 | ||
| 2026-07-19 06:00 | 1.13 | ||
| 2026-07-19 07:00 | 0.39 | ||
| 2026-07-19 08:00 | -0.01 | ||
| 2026-07-19 09:00 | 0.32 | ||
| 2026-07-19 10:00 | 1.07 | ||
| 2026-07-19 11:00 | 1.61 | ||
| 2026-07-19 12:00 | 1.77 | ||
| 2026-07-19 13:00 | 1.82 | ||
| 2026-07-19 14:00 | 1.86 | ||
| 2026-07-19 15:00 | 1.9 | ||
| 2026-07-19 16:00 | 1.91 | ||
| 2026-07-19 17:00 | 1.79 | ||
| 2026-07-19 18:00 | 1.33 | ||
| 2026-07-19 19:00 | 0.48 | ||
| 2026-07-19 20:00 | -0.31 | ||
| 2026-07-19 21:00 | -0.46 | ||
| 2026-07-19 22:00 | 0.11 | ||
| 2026-07-19 23:00 | 1.06 | ||
| 2026-07-20 00:00 | 1.65 | ||
| 2026-07-20 01:00 | 1.78 | ||
| 2026-07-20 02:00 | 1.81 | ||
| 2026-07-20 03:00 | 1.84 | ||
| 2026-07-20 04:00 | 1.87 | ||
| 2026-07-20 05:00 | 1.85 | ||
| 2026-07-20 06:00 | 1.68 | ||
| 2026-07-20 07:00 | 1.22 | ||
| 2026-07-20 08:00 | 0.65 | ||
| 2026-07-20 09:00 | 0.41 | ||
| 2026-07-20 10:00 | 0.72 | ||
| 2026-07-20 11:00 | 1.26 | ||
| 2026-07-20 12:00 | 1.63 | ||
| 2026-07-20 13:00 | 1.76 | ||
| 2026-07-20 14:00 | 1.81 | ||
| 2026-07-20 15:00 | 1.84 | ||
| 2026-07-20 16:00 | 1.86 | ||
| 2026-07-20 17:00 | 1.8 | ||
| 2026-07-20 18:00 | 1.51 | ||
| 2026-07-20 19:00 | 0.84 | ||
| 2026-07-20 20:00 | 0.06 | ||
| 2026-07-20 21:00 | -0.34 | ||
| 2026-07-20 22:00 | -0.09 | ||
| 2026-07-20 23:00 | 0.68 | ||
| 2026-07-21 00:00 | 1.43 | ||
| 2026-07-21 01:00 | 1.74 | ||
| 2026-07-21 02:00 | 1.8 | ||
| 2026-07-21 03:00 | 1.83 | ||
| 2026-07-21 04:00 | 1.87 | ||
| 2026-07-21 05:00 | 1.9 | ||
| 2026-07-21 06:00 | 1.89 | ||
| 2026-07-21 07:00 | 1.75 | ||
| 2026-07-21 08:00 | 1.41 | ||
| 2026-07-21 09:00 | 1 | ||
| 2026-07-21 10:00 | 0.85 | ||
| 2026-07-21 11:00 | 1.04 | ||
| 2026-07-21 12:00 | 1.38 | ||
| 2026-07-21 13:00 | 1.64 | ||
| 2026-07-21 14:00 | 1.76 | ||
| 2026-07-21 15:00 | 1.81 | ||
| 2026-07-21 16:00 | 1.83 | ||
| 2026-07-21 17:00 | 1.8 | ||
| 2026-07-21 18:00 | 1.63 | ||
| 2026-07-21 19:00 | 1.19 | ||
| 2026-07-21 20:00 | 0.51 | ||
| 2026-07-21 21:00 | -0.04 | ||
| 2026-07-21 22:00 | -0.08 | ||
| 2026-07-21 23:00 | 0.42 | ||
| 2026-07-22 00:00 | 1.17 | ||
| 2026-07-22 01:00 | 1.63 | ||
| 2026-07-22 02:00 | 1.75 | ||
| 2026-07-22 03:00 | 1.8 | ||
| 2026-07-22 04:00 | 1.85 | ||
| 2026-07-22 05:00 | 1.89 | ||
| 2026-07-22 06:00 | 1.92 | ||
| 2026-07-22 07:00 | 1.91 | ||
| 2026-07-22 08:00 | 1.8 | ||
| 2026-07-22 09:00 | 1.56 | ||
| 2026-07-22 10:00 | 1.24 | ||
| 2026-07-22 11:00 | 1.05 | ||
| 2026-07-22 12:00 | 1.12 | ||
| 2026-07-22 13:00 | 1.35 | ||
| 2026-07-22 14:00 | 1.57 | ||
| 2026-07-22 15:00 | 1.7 | ||
| 2026-07-22 16:00 | 1.74 | ||
| 2026-07-22 17:00 | 1.74 | ||
| 2026-07-22 18:00 | 1.66 | ||
| 2026-07-22 19:00 | 1.41 | ||
| 2026-07-22 20:00 | 0.94 | ||
| 2026-07-22 21:00 | 0.37 | ||
| 2026-07-22 22:00 | 0.04 | ||
| 2026-07-22 23:00 | 0.19 | ||
| 2026-07-23 00:00 | 0.76 | ||
| 2026-07-23 01:00 | 1.34 | ||
| 2026-07-23 02:00 | 1.64 | ||
| 2026-07-23 03:00 | 1.74 | ||
| 2026-07-23 04:00 | 1.79 | ||
| 2026-07-23 05:00 | 1.84 | ||
| 2026-07-23 06:00 | 1.89 | ||
| 2026-07-23 07:00 | 1.92 | ||
| 2026-07-23 08:00 | 1.93 | ||
| 2026-07-23 09:00 | 1.86 | ||
| 2026-07-23 10:00 | 1.68 | ||
| 2026-07-23 11:00 | 1.38 | ||
| 2026-07-23 12:00 | 1.11 | ||
| 2026-07-23 13:00 | 1.06 | ||
| 2026-07-23 14:00 | 1.22 | ||
| 2026-07-23 15:00 | 1.45 | ||
| 2026-07-23 16:00 | 1.6 | ||
| 2026-07-23 17:00 | 1.66 | ||
| 2026-07-23 18:00 | 1.66 | ||
| 2026-07-23 19:00 | 1.57 | ||
| 2026-07-23 20:00 | 1.35 | ||
| 2026-07-23 21:00 | 0.93 | ||
| 2026-07-23 22:00 | 0.44 | ||
| 2026-07-23 23:00 | 0.16 | ||
| 2026-07-24 00:00 | 0.34 | ||
| 2026-07-24 01:00 | 0.86 | ||
| 2026-07-24 02:00 | 1.36 | ||
| 2026-07-24 03:00 | 1.62 | ||
| 2026-07-24 04:00 | 1.73 | ||
| 2026-07-24 05:00 | 1.79 | ||
| 2026-07-24 06:00 | 1.84 | ||
| 2026-07-24 07:00 | 1.89 | ||
| 2026-07-24 08:00 | 1.93 | ||
| 2026-07-24 09:00 | 1.94 | ||
| 2026-07-24 10:00 | 1.9 | ||
| 2026-07-24 11:00 | 1.7 | ||
| 2026-07-24 12:00 | 1.28 | ||
| 2026-07-24 13:00 | 0.84 | ||
| 2026-07-24 14:00 | 0.75 | ||
| 2026-07-24 15:00 | 1.03 | ||
| 2026-07-24 16:00 | 1.4 | ||
| 2026-07-24 17:00 | 1.61 | ||
| 2026-07-24 18:00 | 1.69 | ||
| 2026-07-24 19:00 | 1.7 | ||
| 2026-07-24 20:00 | 1.62 | ||
| 2026-07-24 21:00 | 1.4 | ||
| 2026-07-24 22:00 | 0.96 | ||
| 2026-07-24 23:00 | 0.43 | ||
| 2026-07-25 00:00 | 0.13 | ||
| 2026-07-25 01:00 | 0.34 | ||
| 2026-07-25 02:00 | 0.91 | ||
| 2026-07-25 03:00 | 1.42 | ||
| 2026-07-25 04:00 | 1.65 | ||
| 2026-07-25 05:00 | 1.74 | ||
| 2026-07-25 06:00 | 1.79 | ||
| 2026-07-25 07:00 | 1.85 | ||
| 2026-07-25 08:00 | 1.91 | ||
| 2026-07-25 09:00 | 1.95 | ||
| 2026-07-25 10:00 | 1.97 | ||
| 2026-07-25 11:00 | 1.9 | ||
| 2026-07-25 12:00 | 1.66 | ||
| 2026-07-25 13:00 | 1.15 | ||
| 2026-07-25 14:00 | 0.61 | ||
| 2026-07-25 15:00 | 0.5 | ||
| 2026-07-25 16:00 | 0.87 | ||
| 2026-07-25 17:00 | 1.33 | ||
| 2026-07-25 18:00 | 1.59 | ||
| 2026-07-25 19:00 | 1.67 | ||
| 2026-07-25 20:00 | 1.67 | ||
| 2026-07-25 21:00 | 1.6 | ||
| 2026-07-25 22:00 | 1.36 | ||
| 2026-07-25 23:00 | 0.89 | ||
| 2026-07-26 00:00 | 0.32 | ||
| 2026-07-26 01:00 | -0.01 | ||
| 2026-07-26 02:00 | 0.19 | ||
| 2026-07-26 03:00 | 0.78 | ||
| 2026-07-26 04:00 | 1.34 | ||
| 2026-07-26 05:00 | 1.62 | ||
| 2026-07-26 06:00 | 1.72 | ||
| 2026-07-26 07:00 | 1.77 | ||
| 2026-07-26 08:00 | 1.83 | ||
| 2026-07-26 09:00 | 1.89 | ||
| 2026-07-26 10:00 | 1.94 | ||
| 2026-07-26 11:00 | 1.95 | ||
| 2026-07-26 12:00 | 1.88 | ||
| 2026-07-26 13:00 | 1.6 | ||
| 2026-07-26 14:00 | 0.98 | ||
| 2026-07-26 15:00 | 0.34 | ||
| 2026-07-26 16:00 | 0.18 | ||
| 2026-07-26 17:00 | 0.64 | ||
| 2026-07-26 18:00 | 1.25 | ||
| 2026-07-26 19:00 | 1.58 | ||
| 2026-07-26 20:00 | 1.67 | ||
| 2026-07-26 21:00 | 1.66 | ||
| 2026-07-26 22:00 | 1.58 | ||
| 2026-07-26 23:00 | 1.32 | ||
| 2026-07-27 00:00 | 0.8 | ||
| 2026-07-27 01:00 | 0.17 | ||
| 2026-07-27 02:00 | -0.18 | ||
| 2026-07-27 03:00 | 0.04 | ||
| 2026-07-27 04:00 | 0.69 | ||
| 2026-07-27 05:00 | 1.34 | ||