# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time: 04/09/2026 at 01:01 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/04/2026 at 02:00 PM PDT
# Maximum Observed Stage: 9.26 Feet
# Maximum Observed Flow: 73 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/11/2026 at 10:00 PM PDT
# Maximum Forecast Stage: 11.97 Feet
# Maximum Forecast Flow: 771 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/04/2026 01 PM PDT 9.26 73 Not Applicable
04/04/2026 02 PM PDT 9.26 73 0 Not Applicable
04/04/2026 03 PM PDT 9.25 71 - Not Applicable
04/04/2026 04 PM PDT 9.25 71 0 Not Applicable
04/04/2026 05 PM PDT 9.25 71 0 Not Applicable
04/04/2026 06 PM PDT 9.24 70 - Not Applicable
04/04/2026 07 PM PDT 9.24 70 0 Not Applicable
04/04/2026 08 PM PDT 9.24 70 0 Not Applicable
04/04/2026 09 PM PDT 9.23 69 - Not Applicable
04/04/2026 10 PM PDT 9.23 69 0 Not Applicable
04/04/2026 11 PM PDT 9.23 69 0 Not Applicable
04/05/2026 12 AM PDT 9.23 69 0 Not Applicable
04/05/2026 01 AM PDT 9.22 68 - Not Applicable
04/05/2026 02 AM PDT 9.22 68 0 Not Applicable
04/05/2026 03 AM PDT 9.22 68 0 Not Applicable
04/05/2026 04 AM PDT 9.21 67 - Not Applicable
04/05/2026 05 AM PDT 9.21 67 0 Not Applicable
04/05/2026 06 AM PDT 9.21 67 0 Not Applicable
04/05/2026 07 AM PDT 9.20 66 - Not Applicable
04/05/2026 08 AM PDT 9.20 66 0 Not Applicable
04/05/2026 09 AM PDT 9.20 66 0 Not Applicable
04/05/2026 10 AM PDT 9.20 66 0 Not Applicable
04/05/2026 11 AM PDT 9.20 66 0 Not Applicable
04/05/2026 12 PM PDT 9.21 67 + Not Applicable
04/05/2026 01 PM PDT 9.21 67 0 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
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/09/2026 01 PM PDT 9.11 56 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 9.12 57 + Not Applicable
04/09/2026 06 PM PDT 9.12 57 0 Not Applicable
04/09/2026 07 PM PDT 9.13 58 + Not Applicable
04/09/2026 08 PM PDT 9.14 59 + Not Applicable
04/09/2026 09 PM PDT 9.14 59 0 Not Applicable
04/09/2026 10 PM PDT 9.14 59 0 Not Applicable
04/09/2026 11 PM PDT 9.14 59 0 Not Applicable
04/10/2026 12 AM PDT 9.14 59 0 Not Applicable
04/10/2026 01 AM PDT 9.14 59 0 Not Applicable
04/10/2026 02 AM PDT 9.13 58 - Not Applicable
04/10/2026 03 AM PDT 9.13 58 0 Not Applicable
04/10/2026 04 AM PDT 9.13 58 0 Not Applicable
04/10/2026 05 AM PDT 9.13 58 0 Not Applicable
04/10/2026 06 AM PDT 9.13 58 0 Not Applicable
04/10/2026 07 AM PDT 9.12 57 - Not Applicable
04/10/2026 08 AM PDT 9.12 57 0 Not Applicable
04/10/2026 09 AM PDT 9.12 57 0 Not Applicable
04/10/2026 10 AM PDT 9.12 57 0 Not Applicable
04/10/2026 11 AM PDT 9.13 58 + Not Applicable
04/10/2026 12 PM PDT 9.13 58 0 Not Applicable
04/10/2026 01 PM PDT 9.13 58 0 Not Applicable
04/10/2026 02 PM PDT 9.13 58 0 Not Applicable
04/10/2026 03 PM PDT 9.13 58 0 Not Applicable
04/10/2026 04 PM PDT 9.14 59 + Not Applicable
04/10/2026 05 PM PDT 9.14 59 0 Not Applicable
04/10/2026 06 PM PDT 9.15 60 + Not Applicable
04/10/2026 07 PM PDT 9.15 60 0 Not Applicable
04/10/2026 08 PM PDT 9.16 61 + Not Applicable
04/10/2026 09 PM PDT 9.16 61 0 Not Applicable
04/10/2026 10 PM PDT 9.16 61 0 Not Applicable
04/10/2026 11 PM PDT 9.16 61 0 Not Applicable
04/11/2026 12 AM PDT 9.17 63 + Not Applicable
04/11/2026 01 AM PDT 9.17 63 0 Not Applicable
04/11/2026 02 AM PDT 9.17 63 0 Not Applicable
04/11/2026 03 AM PDT 9.17 63 0 Not Applicable
04/11/2026 04 AM PDT 9.18 64 + Not Applicable
04/11/2026 05 AM PDT 9.18 64 0 Not Applicable
04/11/2026 06 AM PDT 9.19 65 + Not Applicable
04/11/2026 07 AM PDT 9.22 68 + Not Applicable
04/11/2026 08 AM PDT 9.28 75 + Not Applicable
04/11/2026 09 AM PDT 9.38 89 + Not Applicable
04/11/2026 10 AM PDT 9.54 116 + Not Applicable
04/11/2026 11 AM PDT 9.75 151 + Not Applicable
04/11/2026 12 PM PDT 10.01 196 + Not Applicable
04/11/2026 01 PM PDT 10.27 246 + Not Applicable
04/11/2026 02 PM PDT 10.52 298 + Not Applicable
04/11/2026 03 PM PDT 10.78 357 + Not Applicable
04/11/2026 04 PM PDT 11.05 423 + Not Applicable
04/11/2026 05 PM PDT 11.29 502 + Not Applicable
04/11/2026 06 PM PDT 11.56 603 + Not Applicable
04/11/2026 07 PM PDT 11.77 687 + Not Applicable
04/11/2026 08 PM PDT 11.90 741 + Not Applicable
04/11/2026 09 PM PDT 11.96 766 + Not Applicable
04/11/2026 10 PM PDT 11.97 771 + Not Applicable
04/11/2026 11 PM PDT 11.96 766 - Not Applicable
04/12/2026 12 AM PDT 11.92 749 - Not Applicable
04/12/2026 01 AM PDT 11.86 724 - Not Applicable
04/12/2026 02 AM PDT 11.80 699 - Not Applicable
04/12/2026 03 AM PDT 11.73 670 - Not Applicable
04/12/2026 04 AM PDT 11.66 642 - Not Applicable
04/12/2026 05 AM PDT 11.60 618 - Not Applicable
04/12/2026 06 AM PDT 11.55 599 - Not Applicable
04/12/2026 07 AM PDT 11.50 580 - Not Applicable
04/12/2026 08 AM PDT 11.46 565 - Not Applicable
04/12/2026 09 AM PDT 11.42 550 - Not Applicable
04/12/2026 10 AM PDT 11.38 535 - Not Applicable
04/12/2026 11 AM PDT 11.35 524 - Not Applicable
04/12/2026 12 PM PDT 11.33 517 - Not Applicable
04/12/2026 01 PM PDT 11.30 506 - Not Applicable
04/12/2026 02 PM PDT 11.28 499 - Not Applicable
04/12/2026 03 PM PDT 11.26 491 - Not Applicable
04/12/2026 04 PM PDT 11.23 481 - Not Applicable
04/12/2026 05 PM PDT 11.21 474 - Not Applicable
04/12/2026 06 PM PDT 11.19 467 - Not Applicable
04/12/2026 07 PM PDT 11.17 460 - Not Applicable
04/12/2026 08 PM PDT 11.15 453 - Not Applicable
04/12/2026 09 PM PDT 11.13 446 - Not Applicable
04/12/2026 10 PM PDT 11.10 436 - Not Applicable
04/12/2026 11 PM PDT 11.07 429 - Not Applicable
04/13/2026 12 AM PDT 11.04 421 - Not Applicable
04/13/2026 01 AM PDT 11.01 413 - Not Applicable
04/13/2026 02 AM PDT 10.98 406 - Not Applicable
04/13/2026 03 AM PDT 10.95 398 - Not Applicable
04/13/2026 04 AM PDT 10.92 391 - Not Applicable
04/13/2026 05 AM PDT 10.88 381 - Not Applicable
04/13/2026 06 AM PDT 10.85 374 - Not Applicable
04/13/2026 07 AM PDT 10.82 367 - Not Applicable
04/13/2026 08 AM PDT 10.79 360 - Not Applicable
04/13/2026 09 AM PDT 10.77 355 - Not Applicable
04/13/2026 10 AM PDT 10.74 348 - Not Applicable
04/13/2026 11 AM PDT 10.72 343 - Not Applicable
04/13/2026 12 PM PDT 10.70 339 - Not Applicable
04/13/2026 01 PM PDT 10.67 332 - Not Applicable
04/13/2026 02 PM PDT 10.65 327 - Not Applicable
04/13/2026 03 PM PDT 10.63 323 - Not Applicable
04/13/2026 04 PM PDT 10.62 320 - Not Applicable
04/13/2026 05 PM PDT 10.60 316 - Not Applicable
04/13/2026 06 PM PDT 10.59 314 - Not Applicable
04/13/2026 07 PM PDT 10.57 309 - Not Applicable
04/13/2026 08 PM PDT 10.56 307 - Not Applicable
04/13/2026 09 PM PDT 10.54 303 - Not Applicable
04/13/2026 10 PM PDT 10.53 300 - Not Applicable
04/13/2026 11 PM PDT 10.52 298 - Not Applicable
04/14/2026 12 AM PDT 10.51 296 - Not Applicable
04/14/2026 01 AM PDT 10.50 294 - Not Applicable
04/14/2026 02 AM PDT 10.48 290 - Not Applicable
04/14/2026 03 AM PDT 10.47 287 - Not Applicable
04/14/2026 04 AM PDT 10.46 285 - Not Applicable
04/14/2026 05 AM PDT 10.45 283 - 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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