# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time: 04/08/2026 at 01:45 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/03/2026 at 02:00 PM PDT
# Maximum Observed Stage: 9.35 Feet
# Maximum Observed Flow: 85 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/11/2026 at 10:00 PM PDT
# Maximum Forecast Stage: 11.69 Feet
# Maximum Forecast Flow: 654 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/03/2026 01 PM PDT 9.35 85 Not Applicable
04/03/2026 02 PM PDT 9.35 85 0 Not Applicable
04/03/2026 03 PM PDT 9.34 83 - Not Applicable
04/03/2026 04 PM PDT 9.33 82 - Not Applicable
04/03/2026 05 PM PDT 9.33 82 0 Not Applicable
04/03/2026 06 PM PDT 9.33 82 0 Not Applicable
04/03/2026 07 PM PDT 9.32 80 - Not Applicable
04/03/2026 08 PM PDT 9.31 79 - Not Applicable
04/03/2026 09 PM PDT 9.31 79 0 Not Applicable
04/03/2026 10 PM PDT 9.31 79 0 Not Applicable
04/03/2026 11 PM PDT 9.29 77 - Not Applicable
04/04/2026 12 AM PDT 9.30 78 + Not Applicable
04/04/2026 01 AM PDT 9.28 75 - Not Applicable
04/04/2026 02 AM PDT 9.28 75 0 Not Applicable
04/04/2026 03 AM PDT 9.28 75 0 Not Applicable
04/04/2026 04 AM PDT 9.28 75 0 Not Applicable
04/04/2026 05 AM PDT 9.27 74 - Not Applicable
04/04/2026 06 AM PDT 9.27 74 0 Not Applicable
04/04/2026 07 AM PDT 9.26 73 - Not Applicable
04/04/2026 08 AM PDT 9.26 73 0 Not Applicable
04/04/2026 09 AM PDT 9.26 73 0 Not Applicable
04/04/2026 10 AM PDT 9.26 73 0 Not Applicable
04/04/2026 11 AM PDT 9.26 73 0 Not Applicable
04/04/2026 12 PM PDT 9.26 73 0 Not Applicable
04/04/2026 01 PM PDT 9.26 73 0 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
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/08/2026 02 PM PDT 9.11 56 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 9.12 57 + Not Applicable
04/08/2026 09 PM PDT 9.12 57 0 Not Applicable
04/08/2026 10 PM PDT 9.12 57 0 Not Applicable
04/08/2026 11 PM PDT 9.11 56 - 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 9.12 57 + Not Applicable
04/09/2026 11 AM PDT 9.12 57 0 Not Applicable
04/09/2026 12 PM PDT 9.13 58 + Not Applicable
04/09/2026 01 PM PDT 9.13 58 0 Not Applicable
04/09/2026 02 PM PDT 9.14 59 + Not Applicable
04/09/2026 03 PM PDT 9.14 59 0 Not Applicable
04/09/2026 04 PM PDT 9.15 60 + Not Applicable
04/09/2026 05 PM PDT 9.16 61 + Not Applicable
04/09/2026 06 PM PDT 9.16 61 0 Not Applicable
04/09/2026 07 PM PDT 9.16 61 0 Not Applicable
04/09/2026 08 PM PDT 9.17 63 + Not Applicable
04/09/2026 09 PM PDT 9.17 63 0 Not Applicable
04/09/2026 10 PM PDT 9.17 63 0 Not Applicable
04/09/2026 11 PM PDT 9.17 63 0 Not Applicable
04/10/2026 12 AM PDT 9.16 61 - Not Applicable
04/10/2026 01 AM PDT 9.16 61 0 Not Applicable
04/10/2026 02 AM PDT 9.16 61 0 Not Applicable
04/10/2026 03 AM PDT 9.16 61 0 Not Applicable
04/10/2026 04 AM PDT 9.15 60 - Not Applicable
04/10/2026 05 AM PDT 9.15 60 0 Not Applicable
04/10/2026 06 AM PDT 9.14 59 - Not Applicable
04/10/2026 07 AM PDT 9.14 59 0 Not Applicable
04/10/2026 08 AM PDT 9.13 58 - Not Applicable
04/10/2026 09 AM PDT 9.13 58 0 Not Applicable
04/10/2026 10 AM PDT 9.13 58 0 Not Applicable
04/10/2026 11 AM PDT 9.13 58 0 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 9.14 59 + Not Applicable
04/10/2026 03 PM PDT 9.14 59 0 Not Applicable
04/10/2026 04 PM PDT 9.14 59 0 Not Applicable
04/10/2026 05 PM PDT 9.14 59 0 Not Applicable
04/10/2026 06 PM PDT 9.14 59 0 Not Applicable
04/10/2026 07 PM PDT 9.15 60 + Not Applicable
04/10/2026 08 PM PDT 9.15 60 0 Not Applicable
04/10/2026 09 PM PDT 9.15 60 0 Not Applicable
04/10/2026 10 PM PDT 9.14 59 - Not Applicable
04/10/2026 11 PM PDT 9.14 59 0 Not Applicable
04/11/2026 12 AM PDT 9.14 59 0 Not Applicable
04/11/2026 01 AM PDT 9.13 58 - Not Applicable
04/11/2026 02 AM PDT 9.14 59 + Not Applicable
04/11/2026 03 AM PDT 9.16 61 + Not Applicable
04/11/2026 04 AM PDT 9.21 67 + Not Applicable
04/11/2026 05 AM PDT 9.29 77 + Not Applicable
04/11/2026 06 AM PDT 9.38 89 + Not Applicable
04/11/2026 07 AM PDT 9.48 105 + Not Applicable
04/11/2026 08 AM PDT 9.58 124 + Not Applicable
04/11/2026 09 AM PDT 9.73 148 + Not Applicable
04/11/2026 10 AM PDT 9.91 178 + Not Applicable
04/11/2026 11 AM PDT 10.11 215 + Not Applicable
04/11/2026 12 PM PDT 10.32 256 + Not Applicable
04/11/2026 01 PM PDT 10.52 298 + Not Applicable
04/11/2026 02 PM PDT 10.72 343 + Not Applicable
04/11/2026 03 PM PDT 10.90 386 + Not Applicable
04/11/2026 04 PM PDT 11.08 431 + Not Applicable
04/11/2026 05 PM PDT 11.21 474 + Not Applicable
04/11/2026 06 PM PDT 11.39 538 + Not Applicable
04/11/2026 07 PM PDT 11.52 587 + Not Applicable
04/11/2026 08 PM PDT 11.62 626 + Not Applicable
04/11/2026 09 PM PDT 11.67 646 + Not Applicable
04/11/2026 10 PM PDT 11.69 654 + Not Applicable
04/11/2026 11 PM PDT 11.69 654 0 Not Applicable
04/12/2026 12 AM PDT 11.67 646 - Not Applicable
04/12/2026 01 AM PDT 11.64 634 - Not Applicable
04/12/2026 02 AM PDT 11.61 622 - Not Applicable
04/12/2026 03 AM PDT 11.56 603 - Not Applicable
04/12/2026 04 AM PDT 11.51 584 - Not Applicable
04/12/2026 05 AM PDT 11.46 565 - Not Applicable
04/12/2026 06 AM PDT 11.41 546 - Not Applicable
04/12/2026 07 AM PDT 11.37 531 - Not Applicable
04/12/2026 08 AM PDT 11.32 513 - Not Applicable
04/12/2026 09 AM PDT 11.28 499 - Not Applicable
04/12/2026 10 AM PDT 11.24 484 - Not Applicable
04/12/2026 11 AM PDT 11.21 474 - Not Applicable
04/12/2026 12 PM PDT 11.18 463 - Not Applicable
04/12/2026 01 PM PDT 11.16 457 - Not Applicable
04/12/2026 02 PM PDT 11.14 450 - Not Applicable
04/12/2026 03 PM PDT 11.12 443 - Not Applicable
04/12/2026 04 PM PDT 11.09 434 - Not Applicable
04/12/2026 05 PM PDT 11.07 429 - Not Applicable
04/12/2026 06 PM PDT 11.04 421 - Not Applicable
04/12/2026 07 PM PDT 11.01 413 - Not Applicable
04/12/2026 08 PM PDT 10.99 408 - Not Applicable
04/12/2026 09 PM PDT 10.96 401 - Not Applicable
04/12/2026 10 PM PDT 10.93 393 - Not Applicable
04/12/2026 11 PM PDT 10.90 386 - Not Applicable
04/13/2026 12 AM PDT 10.87 379 - Not Applicable
04/13/2026 01 AM PDT 10.84 372 - Not Applicable
04/13/2026 02 AM PDT 10.81 364 - Not Applicable
04/13/2026 03 AM PDT 10.78 357 - Not Applicable
04/13/2026 04 AM PDT 10.75 350 - Not Applicable
04/13/2026 05 AM PDT 10.72 343 - 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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