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| CLARK FORK--AT ST REGIS (SRGM8) |
County: MINERAL     State: MT |
| Elevation: 2600 (feet)      Latitude: 47 18' 6"    Longitude: 115 5' 11" |
| Flood Stage: 19.00 (feet)      Bankfull Stage: 18.00 (feet) |
|   | Error (feet) -- Lead Time in Hours | |||||||||||
| Forecast Time (GMT) | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 | 66 | 72 |
| 2021-09-06 15:00:00 | -0.004 | -0.01 | -0.013 | -0.007 | -0.008 | -0.023 | -0.016 | 0.001 | 0.006 | 0.022 | 0.019 | 0.026 |
| 2021-09-07 15:25:00 | 0.001 | -0.02 | -0.02 | -0.008 | -0.003 | 0.013 | 0.01 | 0.016 | 0.01 | 0.014 | 0.008 | 0.003 |
| 2021-09-07 20:55:00 | -0.02 | -0.017 | 0.001 | 0.01 | 0.029 | 0.027 | 0.033 | 0.028 | 0.032 | 0.026 | 0.022 | 0.028 |
| 2021-09-08 14:55:00 | 0.005 | 0.016 | 0.005 | 0.003 | -0.013 | -0.019 | -0.029 | -0.035 | -0.029 | -0.032 | -0.032 | 0.006 |
| 2021-09-08 21:06:00 | 0.012 | 0.007 | 0.012 | 0.004 | 0.003 | -0.003 | -0.005 | 0.003 | 0.002 | 0.005 | 0.055 | 0.095 |
| 2021-09-09 14:52:00 | -0.007 | -0.003 | -0.008 | -0.012 | -0.004 | -0.005 | -0.002 | 0.041 | 0.076 | 0.062 | 0.033 | 0.032 |
| 2021-09-09 21:09:00 | 0.005 | 0.0 | -0.002 | 0.007 | 0.007 | 0.009 | 0.044 | 0.062 | 0.052 | 0.033 | 0.03 | 0.04 |
| 2021-09-10 14:49:00 | 0.008 | 0.003 | 0.000999999999999 | 0.032 | 0.045 | 0.045 | 0.025 | 0.015 | 0.016 | 0.025 | 0.016 | - - |
| 2021-09-10 21:05:00 | -0.004 | -0.004 | 0.027 | 0.051 | 0.054 | 0.041 | 0.029 | 0.034 | 0.05 | 0.052 | - - | - - |
| 2021-09-11 15:07:00 | -0.007 | -0.009 | -0.001 | 0.002 | -0.003 | -0.005 | -0.023 | - - | - - | - - | - - | - - |
| 2021-09-12 15:32:00 | 0.008 | 0.011 | -0.011 | - - | - - | - - | - - | - - | - - | - - | - - | - - |
| Percent Bias | -0.01 | -0.05 | -0.02 | 0.17 | 0.22 | 0.16 | 0.13 | 0.37 | 0.48 | 0.46 | 0.38 | 0.67 |
| Mean Absolute Error (feet) | 0.01 | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| RMSE (feet) | 0.01 | 0.01 | 0.01 | 0.02 | 0.02 | 0.02 | 0.02 | 0.03 | 0.04 | 0.03 | 0.03 | 0.04 |