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| PILCHUCK--NEAR SNOHOMISH (PILW1) |
County: SNOHOMISH     State: WA |
| Elevation: 0 (feet)      Latitude: 47 56' 6"    Longitude: 122 4' 18" |
|   | Error (feet) -- Lead Time in Hours | |||||||||||
| Forecast Time (GMT) | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 | 66 | 72 |
| 2021-04-23 15:36:00 | 0.018 | 0.026 | 0.026 | 0.056 | 0.028 | -0.012 | -0.106 | -0.295 | -0.346 | -0.506 | -0.474 | -0.423 |
| 2021-04-23 21:54:00 | 0.012 | 0.016 | 0.041 | 0.015 | -0.026 | -0.117 | -0.282 | -0.305 | -0.454 | -0.427 | -0.383 | -0.332 |
| 2021-04-24 15:08:00 | -0.028 | -0.059 | -0.142 | -0.303 | -0.295 | -0.392 | -0.318 | -0.246 | -0.173 | -0.136 | -0.121 | -0.121 |
| 2021-04-25 00:10:00 | -0.108 | -0.285 | -0.253 | -0.267 | -0.106 | 0.000999999999999 | 0.078 | 0.092 | 0.073 | 0.038 | -0.000999999999999 | -0.035 |
| 2021-04-25 15:23:00 | 0.047 | 0.121 | 0.237 | 0.283 | 0.32 | 0.303 | 0.258 | 0.2 | 0.137 | 0.081 | 0.043 | 0.023 |
| 2021-04-26 00:39:00 | 0.252 | 0.296 | 0.331 | 0.312 | 0.266 | 0.207 | 0.143 | 0.086 | 0.048 | 0.027 | 0.009 | -0.02 |
| 2021-04-26 16:05:00 | 0.023 | -0.008 | -0.046 | -0.082 | -0.111 | -0.131 | -0.139 | -0.131 | -0.122 | -0.125 | -0.133 | -0.127 |
| 2021-04-26 23:05:00 | 0.014 | 0.003 | -0.029 | -0.064 | -0.092 | -0.107 | -0.107 | -0.103 | -0.111 | -0.112 | -0.111 | -0.145 |
| 2021-04-27 16:17:00 | -0.045 | -0.087 | -0.115 | -0.124 | -0.13 | -0.144 | -0.146 | -0.126 | -0.139 | -0.117 | -0.12 | -0.189 |
| 2021-04-27 22:08:00 | 0.019 | 0.029 | 0.03 | -0.001 | -0.038 | -0.066 | -0.072 | -0.112 | -0.117 | -0.12 | -0.186 | -0.237 |
| 2021-04-28 15:54:00 | -0.014 | -0.038 | -0.063 | -0.067 | -0.108 | -0.114 | -0.118 | -0.184 | -0.199 | - - | - - | - - |
| 2021-04-28 22:14:00 | 0.005 | -0.023 | -0.03 | -0.071 | -0.078 | -0.082 | -0.148 | -0.163 | - - | - - | - - | - - |
| 2021-04-29 16:04:00 | -0.042 | -0.049 | -0.054 | -0.128 | -0.149 | - - | - - | - - | - - | - - | - - | - - |
| 2021-04-29 22:03:00 | -0.009 | -0.015 | -0.075 | -0.08 | - - | - - | - - | - - | - - | - - | - - | - - |
| Percent Bias | 0.09 | -0.05 | -0.09 | -0.34 | -0.37 | -0.50 | -0.73 | -0.98 | -1.16 | -1.28 | -1.35 | -1.47 |
| Mean Absolute Error (feet) | 0.05 | 0.08 | 0.11 | 0.13 | 0.13 | 0.14 | 0.16 | 0.17 | 0.17 | 0.17 | 0.16 | 0.17 |
| RMSE (feet) | 0.08 | 0.12 | 0.14 | 0.17 | 0.16 | 0.18 | 0.18 | 0.19 | 0.21 | 0.23 | 0.22 | 0.21 |