Cossatot River — Predictions: 2026-08-20
Rise predictions issued: 4
No-rise claims (quiet / too light) issued: 0
Settled (18-h window passed): 4
Issued 2026-08-21 02:20
| Metric |
Predicted |
Actual |
Error |
| Peak height |
2.01 ft |
1.84 ft |
-0.17 ft |
| Peak flow |
— |
4 cfs |
— |
| Peak time |
2026-08-21 02:50 |
2026-08-20 21:30 |
— |
Moisture: DRY (0.45" 7-day, x0.50)
Confidence: high — Well-calibrated (38 events)
Engine: —
Band contributions
| Band |
Precip |
Rise |
Arrival |
Intensity |
| 2 |
0.54" |
0.26 ft |
02:28 |
MODERATE |
| 3 |
0.42" |
0.08 ft |
04:10 |
LIGHT |
| 4 |
0.18" |
0.02 ft |
05:51 |
LIGHT |
| 5 |
0.12" |
0.01 ft |
07:14 |
LIGHT |
Issued 2026-08-21 01:20
| Metric |
Predicted |
Actual |
Error |
| Peak height |
2.00 ft |
1.84 ft |
-0.16 ft |
| Peak flow |
— |
4 cfs |
— |
| Peak time |
2026-08-21 02:50 |
2026-08-20 20:30 |
— |
Moisture: DRY (0.45" 7-day, x0.50)
Confidence: high — Well-calibrated (38 events)
Engine: —
Band contributions
| Band |
Precip |
Rise |
Arrival |
Intensity |
| 2 |
0.54" |
0.26 ft |
02:28 |
MODERATE |
| 3 |
0.42" |
0.08 ft |
04:10 |
LIGHT |
| 4 |
0.18" |
0.02 ft |
05:51 |
LIGHT |
| 5 |
0.12" |
0.01 ft |
07:14 |
LIGHT |
Issued 2026-08-21 00:20
| Metric |
Predicted |
Actual |
Error |
| Peak height |
2.63 ft |
1.84 ft |
-0.79 ft |
| Peak flow |
— |
4 cfs |
— |
| Peak time |
2026-08-21 00:50 |
2026-08-20 20:15 |
— |
Moisture: DRY (0.45" 7-day, x0.50)
Confidence: high — Well-calibrated (38 events)
Engine: —
Band contributions
| Band |
Precip |
Rise |
Arrival |
Intensity |
| 1 |
0.53" |
0.97 ft |
00:33 |
MODERATE |
| 2 |
0.54" |
0.26 ft |
02:28 |
MODERATE |
| 3 |
0.42" |
0.08 ft |
04:10 |
LIGHT |
| 4 |
0.18" |
0.02 ft |
05:51 |
LIGHT |
| 5 |
0.12" |
0.01 ft |
07:14 |
LIGHT |
Issued 2026-08-20 23:20
| Metric |
Predicted |
Actual |
Error |
| Peak height |
2.29 ft |
1.84 ft |
-0.45 ft |
| Peak flow |
— |
4 cfs |
— |
| Peak time |
2026-08-20 23:50 |
2026-08-20 20:15 |
— |
Moisture: DRY (0.32" 7-day, x0.50)
Confidence: high — Well-calibrated (38 events)
Engine: —
Band contributions
| Band |
Precip |
Rise |
Arrival |
Intensity |
| 1 |
0.28" |
0.51 ft |
23:57 |
MODERATE |
| 2 |
0.31" |
0.15 ft |
01:56 |
MODERATE |
| 3 |
0.29" |
0.05 ft |
03:42 |
LIGHT |
| 4 |
0.17" |
0.02 ft |
05:48 |
LIGHT |
| 5 |
0.11" |
0.01 ft |
07:03 |
LIGHT |