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| FLATHEAD--AT COLUMBIA FALLS (CFMM8) |
County: FLATHEAD State: MT |
| Elevation: 2978 (feet) Latitude: 48 21' 42" Longitude: 114 11' 2" |
| Flood Stage: 13.00 (feet) Bankfull Stage: 13.00 (feet) |
| Error (feet) -- Lead Time in Hours | ||||||||||||
| Forecast Time (GMT) | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 | 66 | 72 |
| 2021-04-23 14:43:00 | -0.036 | -0.085 | -0.113 | -0.163 | -0.176 | -0.212 | -0.215 | -0.255 | -0.228 | -0.239 | -0.251 | -0.285 |
| 2021-04-23 22:00:00 | -0.025 | -0.055 | -0.108 | -0.122 | -0.16 | -0.167 | -0.212 | -0.191 | -0.207 | -0.222 | -0.258 | -0.268 |
| 2021-04-24 17:22:00 | 0.007 | -0.03 | -0.039 | -0.087 | -0.071 | -0.094 | -0.113 | -0.149 | -0.154 | -0.148 | -0.133 | -0.116 |
| 2021-04-24 22:29:00 | -0.021 | -0.039 | -0.092 | -0.079 | -0.104 | -0.126 | -0.164 | -0.169 | -0.161 | -0.144 | -0.122 | -0.066 |
| 2021-04-25 16:13:00 | 0.028 | 0.000999999999999 | -0.024 | -0.068 | -0.084 | -0.092 | -0.087 | -0.069 | -0.009 | 0.032 | 0.089 | 0.082 |
| 2021-04-25 22:31:00 | -0.007 | -0.012 | -0.039 | -0.025 | 0.004 | 0.029 | 0.059 | 0.124 | 0.151 | 0.189 | 0.166 | 0.191 |
| 2021-04-26 17:04:00 | 0.028 | 0.03 | 0.024 | 0.025 | 0.067 | 0.091 | 0.147 | 0.172 | 0.259 | 0.32 | 0.32 | 0.488 |
| 2021-04-26 17:45:00 | 0.028 | 0.03 | 0.024 | 0.025 | 0.067 | 0.091 | 0.147 | 0.172 | 0.259 | 0.32 | 0.32 | 0.488 |
| 2021-04-26 21:54:00 | 0.02 | 0.04 | 0.062 | 0.108 | 0.119 | 0.151 | 0.141 | 0.185 | 0.212 | 0.197 | 0.358 | 0.212 |
| 2021-04-26 23:14:00 | 0.02 | 0.04 | 0.062 | 0.108 | 0.119 | 0.151 | 0.141 | 0.185 | 0.212 | 0.197 | 0.358 | 0.212 |
| 2021-04-27 15:06:00 | 0.024 | 0.016 | 0.037 | 0.013 | 0.054 | 0.093 | 0.092 | 0.28 | 0.163 | 0.208 | 0.232 | 0.177 |
| 2021-04-27 22:38:00 | -0.024 | -0.003 | -0.024 | 0.02 | 0.062 | 0.063 | 0.255 | 0.138 | 0.179 | 0.2 | 0.164 | -0.14 |
| 2021-04-28 14:56:00 | 0.03 | 0.056 | 0.043 | 0.217 | 0.096 | 0.146 | 0.187 | 0.199 | -0.045 | - - | - - | - - |
| 2021-04-28 22:12:00 | 0.004 | -0.012 | 0.169 | 0.055 | 0.111 | 0.154 | 0.159 | -0.098 | - - | - - | - - | - - |
| 2021-04-29 16:16:00 | -0.306 | -0.199 | -0.148 | 0.023 | -0.313 | - - | - - | - - | - - | - - | - - | - - |
| 2021-04-29 22:03:00 | 0.09 | 0.136 | 0.307 | -0.05 | - - | - - | - - | - - | - - | - - | - - | - - |
| Percent Bias | -0.17 | -0.11 | 0.17 | - - | -0.27 | 0.39 | 0.75 | 0.72 | 0.93 | 1.48 | 2.01 | 1.53 |
| Mean Absolute Error (feet) | 0.04 | 0.05 | 0.08 | 0.07 | 0.11 | 0.12 | 0.15 | 0.17 | 0.17 | 0.20 | 0.23 | 0.23 |
| RMSE (feet) | 0.08 | 0.07 | 0.11 | 0.09 | 0.13 | 0.13 | 0.16 | 0.18 | 0.19 | 0.21 | 0.25 | 0.26 |