# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time: 04/10/2026 at 01:09 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/05/2026 at 01:00 PM PDT
# Maximum Observed Stage: 9.21 Feet
# Maximum Observed Flow: 67 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/12/2026 at 05:00 AM PDT
# Maximum Forecast Stage: 11.01 Feet
# Maximum Forecast Flow: 413 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/05/2026 01 PM PDT 9.21 67 Not Applicable
04/05/2026 02 PM PDT 9.20 66 - Not Applicable
04/05/2026 03 PM PDT 9.20 66 0 Not Applicable
04/05/2026 04 PM PDT 9.20 66 0 Not Applicable
04/05/2026 05 PM PDT 9.20 66 0 Not Applicable
04/05/2026 06 PM PDT 9.20 66 0 Not Applicable
04/05/2026 07 PM PDT 9.19 65 - Not Applicable
04/05/2026 08 PM PDT 9.19 65 0 Not Applicable
04/05/2026 09 PM PDT 9.19 65 0 Not Applicable
04/05/2026 10 PM PDT 9.18 64 - Not Applicable
04/05/2026 11 PM PDT 9.18 64 0 Not Applicable
04/06/2026 12 AM PDT 9.18 64 0 Not Applicable
04/06/2026 01 AM PDT 9.18 64 0 Not Applicable
04/06/2026 02 AM PDT 9.17 63 - Not Applicable
04/06/2026 03 AM PDT 9.17 63 0 Not Applicable
04/06/2026 04 AM PDT 9.17 63 0 Not Applicable
04/06/2026 05 AM PDT 9.17 63 0 Not Applicable
04/06/2026 06 AM PDT 9.17 63 0 Not Applicable
04/06/2026 07 AM PDT 9.16 61 - Not Applicable
04/06/2026 08 AM PDT 9.16 61 0 Not Applicable
04/06/2026 09 AM PDT 9.16 61 0 Not Applicable
04/06/2026 10 AM PDT 9.16 61 0 Not Applicable
04/06/2026 11 AM PDT 9.16 61 0 Not Applicable
04/06/2026 12 PM PDT 9.17 63 + Not Applicable
04/06/2026 01 PM PDT 9.17 63 0 Not Applicable
04/06/2026 02 PM PDT 9.16 61 - Not Applicable
04/06/2026 03 PM PDT 9.17 63 + Not Applicable
04/06/2026 04 PM PDT 9.16 61 - Not Applicable
04/06/2026 05 PM PDT 9.16 61 0 Not Applicable
04/06/2026 06 PM PDT 9.15 60 - Not Applicable
04/06/2026 07 PM PDT 9.16 61 + Not Applicable
04/06/2026 08 PM PDT 9.15 60 - Not Applicable
04/06/2026 09 PM PDT 9.15 60 0 Not Applicable
04/06/2026 10 PM PDT 9.15 60 0 Not Applicable
04/06/2026 11 PM PDT 9.14 59 - Not Applicable
04/07/2026 12 AM PDT 9.14 59 0 Not Applicable
04/07/2026 01 AM PDT 9.14 59 0 Not Applicable
04/07/2026 02 AM PDT 9.14 59 0 Not Applicable
04/07/2026 03 AM PDT 9.14 59 0 Not Applicable
04/07/2026 04 AM PDT 9.14 59 0 Not Applicable
04/07/2026 05 AM PDT 9.13 58 - Not Applicable
04/07/2026 06 AM PDT 9.13 58 0 Not Applicable
04/07/2026 07 AM PDT 9.13 58 0 Not Applicable
04/07/2026 08 AM PDT 9.13 58 0 Not Applicable
04/07/2026 09 AM PDT 9.13 58 0 Not Applicable
04/07/2026 10 AM PDT 9.13 58 0 Not Applicable
04/07/2026 11 AM PDT 9.13 58 0 Not Applicable
04/07/2026 12 PM PDT 9.14 59 + Not Applicable
04/07/2026 01 PM PDT 9.13 58 - Not Applicable
04/07/2026 02 PM PDT 9.13 58 0 Not Applicable
04/07/2026 03 PM PDT 9.13 58 0 Not Applicable
04/07/2026 04 PM PDT 9.13 58 0 Not Applicable
04/07/2026 05 PM PDT 9.13 58 0 Not Applicable
04/07/2026 06 PM PDT 9.13 58 0 Not Applicable
04/07/2026 07 PM PDT 9.13 58 0 Not Applicable
04/07/2026 08 PM PDT 9.13 58 0 Not Applicable
04/07/2026 09 PM PDT 9.13 58 0 Not Applicable
04/07/2026 10 PM PDT 9.12 57 - Not Applicable
04/07/2026 11 PM PDT 9.12 57 0 Not Applicable
04/08/2026 12 AM PDT 9.12 57 0 Not Applicable
04/08/2026 01 AM PDT 9.12 57 0 Not Applicable
04/08/2026 02 AM PDT 9.12 57 0 Not Applicable
04/08/2026 03 AM PDT 9.11 56 - Not Applicable
04/08/2026 04 AM PDT 9.11 56 0 Not Applicable
04/08/2026 05 AM PDT 9.11 56 0 Not Applicable
04/08/2026 06 AM PDT 9.11 56 0 Not Applicable
04/08/2026 07 AM PDT 9.11 56 0 Not Applicable
04/08/2026 08 AM PDT 9.11 56 0 Not Applicable
04/08/2026 09 AM PDT 9.10 55 - Not Applicable
04/08/2026 10 AM PDT 9.10 55 0 Not Applicable
04/08/2026 11 AM PDT 9.11 56 + Not Applicable
04/08/2026 12 PM PDT 9.11 56 0 Not Applicable
04/08/2026 01 PM PDT 9.11 56 0 Not Applicable
04/08/2026 02 PM PDT 9.11 56 0 Not Applicable
04/08/2026 03 PM PDT 9.11 56 0 Not Applicable
04/08/2026 04 PM PDT 9.11 56 0 Not Applicable
04/08/2026 05 PM PDT 9.11 56 0 Not Applicable
04/08/2026 06 PM PDT 9.11 56 0 Not Applicable
04/08/2026 07 PM PDT 9.11 56 0 Not Applicable
04/08/2026 08 PM PDT 9.11 56 0 Not Applicable
04/08/2026 09 PM PDT 9.11 56 0 Not Applicable
04/08/2026 10 PM PDT 9.11 56 0 Not Applicable
04/08/2026 11 PM PDT 9.11 56 0 Not Applicable
04/09/2026 12 AM PDT 9.11 56 0 Not Applicable
04/09/2026 01 AM PDT 9.11 56 0 Not Applicable
04/09/2026 02 AM PDT 9.11 56 0 Not Applicable
04/09/2026 03 AM PDT 9.11 56 0 Not Applicable
04/09/2026 04 AM PDT 9.11 56 0 Not Applicable
04/09/2026 05 AM PDT 9.11 56 0 Not Applicable
04/09/2026 06 AM PDT 9.11 56 0 Not Applicable
04/09/2026 07 AM PDT 9.11 56 0 Not Applicable
04/09/2026 08 AM PDT 9.11 56 0 Not Applicable
04/09/2026 09 AM PDT 9.11 56 0 Not Applicable
04/09/2026 10 AM PDT 9.11 56 0 Not Applicable
04/09/2026 11 AM PDT 9.11 56 0 Not Applicable
04/09/2026 12 PM PDT 9.11 56 0 Not Applicable
04/09/2026 01 PM PDT 9.11 56 0 Not Applicable
04/09/2026 02 PM PDT 9.11 56 0 Not Applicable
04/09/2026 03 PM PDT 9.11 56 0 Not Applicable
04/09/2026 04 PM PDT 9.11 56 0 Not Applicable
04/09/2026 05 PM PDT 9.11 56 0 Not Applicable
04/09/2026 06 PM PDT 9.11 56 0 Not Applicable
04/09/2026 07 PM PDT 9.11 56 0 Not Applicable
04/09/2026 08 PM PDT 9.11 56 0 Not Applicable
04/09/2026 09 PM PDT 9.11 56 0 Not Applicable
04/09/2026 10 PM PDT 9.11 56 0 Not Applicable
04/09/2026 11 PM PDT 9.11 56 0 Not Applicable
04/10/2026 12 AM PDT 9.11 56 0 Not Applicable
04/10/2026 01 AM PDT 9.11 56 0 Not Applicable
04/10/2026 02 AM PDT 9.11 56 0 Not Applicable
04/10/2026 03 AM PDT 9.11 56 0 Not Applicable
04/10/2026 04 AM PDT 9.11 56 0 Not Applicable
04/10/2026 05 AM PDT 9.11 56 0 Not Applicable
04/10/2026 06 AM PDT 9.11 56 0 Not Applicable
04/10/2026 07 AM PDT 9.11 56 0 Not Applicable
04/10/2026 08 AM PDT 9.11 56 0 Not Applicable
04/10/2026 09 AM PDT 9.11 56 0 Not Applicable
04/10/2026 10 AM PDT 9.11 56 0 Not Applicable
04/10/2026 11 AM PDT 9.12 57 + Not Applicable
04/10/2026 12 PM PDT 9.12 57 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/10/2026 01 PM PDT 9.12 57 Not Applicable
04/10/2026 02 PM PDT 9.12 57 0 Not Applicable
04/10/2026 03 PM PDT 9.12 57 0 Not Applicable
04/10/2026 04 PM PDT 9.13 58 + Not Applicable
04/10/2026 05 PM PDT 9.13 58 0 Not Applicable
04/10/2026 06 PM PDT 9.13 58 0 Not Applicable
04/10/2026 07 PM PDT 9.13 58 0 Not Applicable
04/10/2026 08 PM PDT 9.13 58 0 Not Applicable
04/10/2026 09 PM PDT 9.13 58 0 Not Applicable
04/10/2026 10 PM PDT 9.13 58 0 Not Applicable
04/10/2026 11 PM PDT 9.13 58 0 Not Applicable
04/11/2026 12 AM PDT 9.13 58 0 Not Applicable
04/11/2026 01 AM PDT 9.13 58 0 Not Applicable
04/11/2026 02 AM PDT 9.14 59 + Not Applicable
04/11/2026 03 AM PDT 9.14 59 0 Not Applicable
04/11/2026 04 AM PDT 9.14 59 0 Not Applicable
04/11/2026 05 AM PDT 9.15 60 + Not Applicable
04/11/2026 06 AM PDT 9.16 61 + Not Applicable
04/11/2026 07 AM PDT 9.16 61 0 Not Applicable
04/11/2026 08 AM PDT 9.17 63 + Not Applicable
04/11/2026 09 AM PDT 9.18 64 + Not Applicable
04/11/2026 10 AM PDT 9.19 65 + Not Applicable
04/11/2026 11 AM PDT 9.21 67 + Not Applicable
04/11/2026 12 PM PDT 9.23 69 + Not Applicable
04/11/2026 01 PM PDT 9.27 74 + Not Applicable
04/11/2026 02 PM PDT 9.34 83 + Not Applicable
04/11/2026 03 PM PDT 9.45 100 + Not Applicable
04/11/2026 04 PM PDT 9.57 122 + Not Applicable
04/11/2026 05 PM PDT 9.74 150 + Not Applicable
04/11/2026 06 PM PDT 9.91 178 + Not Applicable
04/11/2026 07 PM PDT 10.09 211 + Not Applicable
04/11/2026 08 PM PDT 10.26 244 + Not Applicable
04/11/2026 09 PM PDT 10.41 275 + Not Applicable
04/11/2026 10 PM PDT 10.54 303 + Not Applicable
04/11/2026 11 PM PDT 10.66 329 + Not Applicable
04/12/2026 12 AM PDT 10.77 355 + Not Applicable
04/12/2026 01 AM PDT 10.86 376 + Not Applicable
04/12/2026 02 AM PDT 10.93 393 + Not Applicable
04/12/2026 03 AM PDT 10.98 406 + Not Applicable
04/12/2026 04 AM PDT 11.00 411 + Not Applicable
04/12/2026 05 AM PDT 11.01 413 + Not Applicable
04/12/2026 06 AM PDT 11.01 413 0 Not Applicable
04/12/2026 07 AM PDT 11.00 411 - Not Applicable
04/12/2026 08 AM PDT 10.98 406 - Not Applicable
04/12/2026 09 AM PDT 10.96 401 - Not Applicable
04/12/2026 10 AM PDT 10.93 393 - Not Applicable
04/12/2026 11 AM PDT 10.90 386 - Not Applicable
04/12/2026 12 PM PDT 10.88 381 - Not Applicable
04/12/2026 01 PM PDT 10.85 374 - Not Applicable
04/12/2026 02 PM PDT 10.81 364 - Not Applicable
04/12/2026 03 PM PDT 10.79 360 - Not Applicable
04/12/2026 04 PM PDT 10.75 350 - Not Applicable
04/12/2026 05 PM PDT 10.72 343 - Not Applicable
04/12/2026 06 PM PDT 10.69 336 - Not Applicable
04/12/2026 07 PM PDT 10.66 329 - Not Applicable
04/12/2026 08 PM PDT 10.63 323 - Not Applicable
04/12/2026 09 PM PDT 10.60 316 - Not Applicable
04/12/2026 10 PM PDT 10.56 307 - Not Applicable
04/12/2026 11 PM PDT 10.53 300 - Not Applicable
04/13/2026 12 AM PDT 10.49 292 - Not Applicable
04/13/2026 01 AM PDT 10.45 283 - Not Applicable
04/13/2026 02 AM PDT 10.41 275 - Not Applicable
04/13/2026 03 AM PDT 10.38 268 - Not Applicable
04/13/2026 04 AM PDT 10.34 260 - Not Applicable
04/13/2026 05 AM PDT 10.31 254 - Not Applicable
04/13/2026 06 AM PDT 10.28 248 - Not Applicable
04/13/2026 07 AM PDT 10.25 242 - Not Applicable
04/13/2026 08 AM PDT 10.22 236 - Not Applicable
04/13/2026 09 AM PDT 10.20 232 - Not Applicable
04/13/2026 10 AM PDT 10.18 228 - Not Applicable
04/13/2026 11 AM PDT 10.16 224 - Not Applicable
04/13/2026 12 PM PDT 10.14 220 - Not Applicable
04/13/2026 01 PM PDT 10.13 218 - Not Applicable
04/13/2026 02 PM PDT 10.11 215 - Not Applicable
04/13/2026 03 PM PDT 10.10 213 - Not Applicable
04/13/2026 04 PM PDT 10.08 209 - Not Applicable
04/13/2026 05 PM PDT 10.07 207 - Not Applicable
04/13/2026 06 PM PDT 10.06 205 - Not Applicable
04/13/2026 07 PM PDT 10.05 203 - Not Applicable
04/13/2026 08 PM PDT 10.04 202 - Not Applicable
04/13/2026 09 PM PDT 10.03 200 - Not Applicable
04/13/2026 10 PM PDT 10.02 198 - Not Applicable
04/13/2026 11 PM PDT 10.02 198 0 Not Applicable
04/14/2026 12 AM PDT 10.01 196 - Not Applicable
04/14/2026 01 AM PDT 10.00 194 - Not Applicable
04/14/2026 02 AM PDT 9.99 193 - Not Applicable
04/14/2026 03 AM PDT 9.98 191 - Not Applicable
04/14/2026 04 AM PDT 9.98 191 0 Not Applicable
04/14/2026 05 AM PDT 9.97 189 - Not Applicable
04/14/2026 06 AM PDT 9.96 187 - Not Applicable
04/14/2026 07 AM PDT 9.96 187 0 Not Applicable
04/14/2026 08 AM PDT 9.95 185 - Not Applicable
04/14/2026 09 AM PDT 9.94 184 - Not Applicable
04/14/2026 10 AM PDT 9.93 182 - Not Applicable
04/14/2026 11 AM PDT 9.93 182 0 Not Applicable
04/14/2026 12 PM PDT 9.92 180 - Not Applicable
04/14/2026 01 PM PDT 9.91 178 - Not Applicable
04/14/2026 02 PM PDT 9.91 178 0 Not Applicable
04/14/2026 03 PM PDT 9.90 177 - Not Applicable
04/14/2026 04 PM PDT 9.89 175 - Not Applicable
04/14/2026 05 PM PDT 9.89 175 0 Not Applicable
04/14/2026 06 PM PDT 9.88 173 - Not Applicable
04/14/2026 07 PM PDT 9.88 173 0 Not Applicable
04/14/2026 08 PM PDT 9.87 171 - Not Applicable
04/14/2026 09 PM PDT 9.86 170 - Not Applicable
04/14/2026 10 PM PDT 9.86 170 0 Not Applicable
04/14/2026 11 PM PDT 9.85 168 - Not Applicable
04/15/2026 12 AM PDT 9.85 168 0 Not Applicable
04/15/2026 01 AM PDT 9.84 166 - Not Applicable
04/15/2026 02 AM PDT 9.83 165 - Not Applicable
04/15/2026 03 AM PDT 9.83 165 0 Not Applicable
04/15/2026 04 AM PDT 9.82 163 - Not Applicable
04/15/2026 05 AM PDT 9.82 163 0 Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.
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