# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time: 03/23/2026 at 01:10 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/18/2026 at 06:00 PM PDT
# Maximum Observed Stage: 9.45 Feet
# Maximum Observed Flow: 100 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/23/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 9.29 Feet
# Maximum Forecast Flow: 77 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/18/2026 01 PM PDT 9.45 100 Not Applicable
03/18/2026 02 PM PDT 9.45 100 0 Not Applicable
03/18/2026 03 PM PDT 9.45 100 0 Not Applicable
03/18/2026 04 PM PDT 9.45 100 0 Not Applicable
03/18/2026 05 PM PDT 9.44 98 - Not Applicable
03/18/2026 06 PM PDT 9.45 100 + Not Applicable
03/18/2026 07 PM PDT 9.44 98 - Not Applicable
03/18/2026 08 PM PDT 9.44 98 0 Not Applicable
03/18/2026 09 PM PDT 9.43 97 - Not Applicable
03/18/2026 10 PM PDT 9.43 97 0 Not Applicable
03/18/2026 11 PM PDT 9.43 97 0 Not Applicable
03/19/2026 12 AM PDT 9.42 95 - Not Applicable
03/19/2026 01 AM PDT 9.42 95 0 Not Applicable
03/19/2026 02 AM PDT 9.42 95 0 Not Applicable
03/19/2026 03 AM PDT 9.41 94 - Not Applicable
03/19/2026 04 AM PDT 9.42 95 + Not Applicable
03/19/2026 05 AM PDT 9.42 95 0 Not Applicable
03/19/2026 06 AM PDT 9.41 94 - Not Applicable
03/19/2026 07 AM PDT 9.41 94 0 Not Applicable
03/19/2026 08 AM PDT 9.41 94 0 Not Applicable
03/19/2026 09 AM PDT 9.41 94 0 Not Applicable
03/19/2026 10 AM PDT 9.40 92 - Not Applicable
03/19/2026 11 AM PDT 9.41 94 + Not Applicable
03/19/2026 12 PM PDT 9.41 94 0 Not Applicable
03/19/2026 01 PM PDT 9.41 94 0 Not Applicable
03/19/2026 02 PM PDT 9.41 94 0 Not Applicable
03/19/2026 03 PM PDT 9.41 94 0 Not Applicable
03/19/2026 04 PM PDT 9.41 94 0 Not Applicable
03/19/2026 05 PM PDT 9.41 94 0 Not Applicable
03/19/2026 06 PM PDT 9.41 94 0 Not Applicable
03/19/2026 07 PM PDT 9.40 92 - Not Applicable
03/19/2026 08 PM PDT 9.40 92 0 Not Applicable
03/19/2026 09 PM PDT 9.40 92 0 Not Applicable
03/19/2026 10 PM PDT 9.40 92 0 Not Applicable
03/19/2026 11 PM PDT 9.39 91 - Not Applicable
03/20/2026 12 AM PDT 9.38 89 - Not Applicable
03/20/2026 01 AM PDT 9.39 91 + Not Applicable
03/20/2026 02 AM PDT 9.38 89 - Not Applicable
03/20/2026 03 AM PDT 9.39 91 + Not Applicable
03/20/2026 04 AM PDT 9.38 89 - Not Applicable
03/20/2026 05 AM PDT 9.38 89 0 Not Applicable
03/20/2026 06 AM PDT 9.38 89 0 Not Applicable
03/20/2026 07 AM PDT 9.38 89 0 Not Applicable
03/20/2026 08 AM PDT 9.37 88 - Not Applicable
03/20/2026 09 AM PDT 9.37 88 0 Not Applicable
03/20/2026 10 AM PDT 9.37 88 0 Not Applicable
03/20/2026 11 AM PDT 9.38 89 + Not Applicable
03/20/2026 12 PM PDT 9.37 88 - Not Applicable
03/20/2026 01 PM PDT 9.38 89 + Not Applicable
03/20/2026 02 PM PDT 9.38 89 0 Not Applicable
03/20/2026 03 PM PDT 9.38 89 0 Not Applicable
03/20/2026 04 PM PDT 9.38 89 0 Not Applicable
03/20/2026 05 PM PDT 9.37 88 - Not Applicable
03/20/2026 06 PM PDT 9.37 88 0 Not Applicable
03/20/2026 07 PM PDT 9.38 89 + Not Applicable
03/20/2026 08 PM PDT 9.38 89 0 Not Applicable
03/20/2026 09 PM PDT 9.37 88 - Not Applicable
03/20/2026 10 PM PDT 9.36 86 - Not Applicable
03/20/2026 11 PM PDT 9.36 86 0 Not Applicable
03/21/2026 12 AM PDT 9.36 86 0 Not Applicable
03/21/2026 01 AM PDT 9.36 86 0 Not Applicable
03/21/2026 02 AM PDT 9.35 85 - Not Applicable
03/21/2026 03 AM PDT 9.36 86 + Not Applicable
03/21/2026 04 AM PDT 9.35 85 - Not Applicable
03/21/2026 05 AM PDT 9.35 85 0 Not Applicable
03/21/2026 06 AM PDT 9.35 85 0 Not Applicable
03/21/2026 07 AM PDT 9.35 85 0 Not Applicable
03/21/2026 08 AM PDT 9.35 85 0 Not Applicable
03/21/2026 09 AM PDT 9.35 85 0 Not Applicable
03/21/2026 10 AM PDT 9.35 85 0 Not Applicable
03/21/2026 11 AM PDT 9.35 85 0 Not Applicable
03/21/2026 12 PM PDT 9.35 85 0 Not Applicable
03/21/2026 01 PM PDT 9.35 85 0 Not Applicable
03/21/2026 02 PM PDT 9.35 85 0 Not Applicable
03/21/2026 03 PM PDT 9.35 85 0 Not Applicable
03/21/2026 04 PM PDT 9.35 85 0 Not Applicable
03/21/2026 05 PM PDT 9.34 83 - Not Applicable
03/21/2026 06 PM PDT 9.34 83 0 Not Applicable
03/21/2026 07 PM PDT 9.34 83 0 Not Applicable
03/21/2026 08 PM PDT 9.33 82 - Not Applicable
03/21/2026 09 PM PDT 9.33 82 0 Not Applicable
03/21/2026 10 PM PDT 9.33 82 0 Not Applicable
03/21/2026 11 PM PDT 9.33 82 0 Not Applicable
03/22/2026 12 AM PDT 9.32 80 - Not Applicable
03/22/2026 01 AM PDT 9.32 80 0 Not Applicable
03/22/2026 02 AM PDT 9.32 80 0 Not Applicable
03/22/2026 03 AM PDT 9.32 80 0 Not Applicable
03/22/2026 04 AM PDT 9.31 79 - Not Applicable
03/22/2026 05 AM PDT 9.31 79 0 Not Applicable
03/22/2026 06 AM PDT 9.31 79 0 Not Applicable
03/22/2026 07 AM PDT 9.31 79 0 Not Applicable
03/22/2026 08 AM PDT 9.31 79 0 Not Applicable
03/22/2026 09 AM PDT 9.31 79 0 Not Applicable
03/22/2026 10 AM PDT 9.31 79 0 Not Applicable
03/22/2026 11 AM PDT 9.31 79 0 Not Applicable
03/22/2026 12 PM PDT 9.31 79 0 Not Applicable
03/22/2026 01 PM PDT 9.32 80 + Not Applicable
03/22/2026 02 PM PDT 9.32 80 0 Not Applicable
03/22/2026 03 PM PDT 9.32 80 0 Not Applicable
03/22/2026 04 PM PDT 9.32 80 0 Not Applicable
03/22/2026 05 PM PDT 9.32 80 0 Not Applicable
03/22/2026 06 PM PDT 9.31 79 - Not Applicable
03/22/2026 07 PM PDT 9.31 79 0 Not Applicable
03/22/2026 08 PM PDT 9.31 79 0 Not Applicable
03/22/2026 09 PM PDT 9.30 78 - Not Applicable
03/22/2026 10 PM PDT 9.30 78 0 Not Applicable
03/22/2026 11 PM PDT 9.31 79 + Not Applicable
03/23/2026 12 AM PDT 9.30 78 - Not Applicable
03/23/2026 01 AM PDT 9.30 78 0 Not Applicable
03/23/2026 02 AM PDT 9.29 77 - Not Applicable
03/23/2026 03 AM PDT 9.29 77 0 Not Applicable
03/23/2026 04 AM PDT 9.29 77 0 Not Applicable
03/23/2026 05 AM PDT 9.29 77 0 Not Applicable
03/23/2026 06 AM PDT 9.29 77 0 Not Applicable
03/23/2026 07 AM PDT 9.28 75 - Not Applicable
03/23/2026 08 AM PDT 9.28 75 0 Not Applicable
03/23/2026 09 AM PDT 9.28 75 0 Not Applicable
03/23/2026 10 AM PDT 9.29 77 + Not Applicable
03/23/2026 11 AM PDT 9.29 77 0 Not Applicable
03/23/2026 12 PM PDT 9.29 77 0 Not Applicable
03/23/2026 01 PM PDT 9.29 77 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/23/2026 02 PM PDT 9.29 77 Not Applicable
03/23/2026 03 PM PDT 9.29 77 0 Not Applicable
03/23/2026 04 PM PDT 9.29 77 0 Not Applicable
03/23/2026 05 PM PDT 9.29 77 0 Not Applicable
03/23/2026 06 PM PDT 9.29 77 0 Not Applicable
03/23/2026 07 PM PDT 9.29 77 0 Not Applicable
03/23/2026 08 PM PDT 9.29 77 0 Not Applicable
03/23/2026 09 PM PDT 9.28 75 - Not Applicable
03/23/2026 10 PM PDT 9.28 75 0 Not Applicable
03/23/2026 11 PM PDT 9.28 75 0 Not Applicable
03/24/2026 12 AM PDT 9.28 75 0 Not Applicable
03/24/2026 01 AM PDT 9.28 75 0 Not Applicable
03/24/2026 02 AM PDT 9.28 75 0 Not Applicable
03/24/2026 03 AM PDT 9.28 75 0 Not Applicable
03/24/2026 04 AM PDT 9.28 75 0 Not Applicable
03/24/2026 05 AM PDT 9.28 75 0 Not Applicable
03/24/2026 06 AM PDT 9.28 75 0 Not Applicable
03/24/2026 07 AM PDT 9.28 75 0 Not Applicable
03/24/2026 08 AM PDT 9.28 75 0 Not Applicable
03/24/2026 09 AM PDT 9.28 75 0 Not Applicable
03/24/2026 10 AM PDT 9.28 75 0 Not Applicable
03/24/2026 11 AM PDT 9.28 75 0 Not Applicable
03/24/2026 12 PM PDT 9.28 75 0 Not Applicable
03/24/2026 01 PM PDT 9.28 75 0 Not Applicable
03/24/2026 02 PM PDT 9.28 75 0 Not Applicable
03/24/2026 03 PM PDT 9.27 74 - Not Applicable
03/24/2026 04 PM PDT 9.27 74 0 Not Applicable
03/24/2026 05 PM PDT 9.27 74 0 Not Applicable
03/24/2026 06 PM PDT 9.27 74 0 Not Applicable
03/24/2026 07 PM PDT 9.27 74 0 Not Applicable
03/24/2026 08 PM PDT 9.27 74 0 Not Applicable
03/24/2026 09 PM PDT 9.27 74 0 Not Applicable
03/24/2026 10 PM PDT 9.27 74 0 Not Applicable
03/24/2026 11 PM PDT 9.27 74 0 Not Applicable
03/25/2026 12 AM PDT 9.27 74 0 Not Applicable
03/25/2026 01 AM PDT 9.27 74 0 Not Applicable
03/25/2026 02 AM PDT 9.27 74 0 Not Applicable
03/25/2026 03 AM PDT 9.27 74 0 Not Applicable
03/25/2026 04 AM PDT 9.27 74 0 Not Applicable
03/25/2026 05 AM PDT 9.27 74 0 Not Applicable
03/25/2026 06 AM PDT 9.27 74 0 Not Applicable
03/25/2026 07 AM PDT 9.27 74 0 Not Applicable
03/25/2026 08 AM PDT 9.27 74 0 Not Applicable
03/25/2026 09 AM PDT 9.27 74 0 Not Applicable
03/25/2026 10 AM PDT 9.27 74 0 Not Applicable
03/25/2026 11 AM PDT 9.27 74 0 Not Applicable
03/25/2026 12 PM PDT 9.27 74 0 Not Applicable
03/25/2026 01 PM PDT 9.27 74 0 Not Applicable
03/25/2026 02 PM PDT 9.27 74 0 Not Applicable
03/25/2026 03 PM PDT 9.27 74 0 Not Applicable
03/25/2026 04 PM PDT 9.26 73 - Not Applicable
03/25/2026 05 PM PDT 9.26 73 0 Not Applicable
03/25/2026 06 PM PDT 9.26 73 0 Not Applicable
03/25/2026 07 PM PDT 9.26 73 0 Not Applicable
03/25/2026 08 PM PDT 9.26 73 0 Not Applicable
03/25/2026 09 PM PDT 9.26 73 0 Not Applicable
03/25/2026 10 PM PDT 9.26 73 0 Not Applicable
03/25/2026 11 PM PDT 9.26 73 0 Not Applicable
03/26/2026 12 AM PDT 9.26 73 0 Not Applicable
03/26/2026 01 AM PDT 9.26 73 0 Not Applicable
03/26/2026 02 AM PDT 9.26 73 0 Not Applicable
03/26/2026 03 AM PDT 9.26 73 0 Not Applicable
03/26/2026 04 AM PDT 9.26 73 0 Not Applicable
03/26/2026 05 AM PDT 9.26 73 0 Not Applicable
03/26/2026 06 AM PDT 9.26 73 0 Not Applicable
03/26/2026 07 AM PDT 9.26 73 0 Not Applicable
03/26/2026 08 AM PDT 9.26 73 0 Not Applicable
03/26/2026 09 AM PDT 9.26 73 0 Not Applicable
03/26/2026 10 AM PDT 9.25 71 - Not Applicable
03/26/2026 11 AM PDT 9.25 71 0 Not Applicable
03/26/2026 12 PM PDT 9.25 71 0 Not Applicable
03/26/2026 01 PM PDT 9.25 71 0 Not Applicable
03/26/2026 02 PM PDT 9.25 71 0 Not Applicable
03/26/2026 03 PM PDT 9.25 71 0 Not Applicable
03/26/2026 04 PM PDT 9.25 71 0 Not Applicable
03/26/2026 05 PM PDT 9.25 71 0 Not Applicable
03/26/2026 06 PM PDT 9.25 71 0 Not Applicable
03/26/2026 07 PM PDT 9.25 71 0 Not Applicable
03/26/2026 08 PM PDT 9.25 71 0 Not Applicable
03/26/2026 09 PM PDT 9.25 71 0 Not Applicable
03/26/2026 10 PM PDT 9.25 71 0 Not Applicable
03/26/2026 11 PM PDT 9.25 71 0 Not Applicable
03/27/2026 12 AM PDT 9.25 71 0 Not Applicable
03/27/2026 01 AM PDT 9.25 71 0 Not Applicable
03/27/2026 02 AM PDT 9.25 71 0 Not Applicable
03/27/2026 03 AM PDT 9.25 71 0 Not Applicable
03/27/2026 04 AM PDT 9.25 71 0 Not Applicable
03/27/2026 05 AM PDT 9.25 71 0 Not Applicable
03/27/2026 06 AM PDT 9.25 71 0 Not Applicable
03/27/2026 07 AM PDT 9.25 71 0 Not Applicable
03/27/2026 08 AM PDT 9.24 70 - Not Applicable
03/27/2026 09 AM PDT 9.24 70 0 Not Applicable
03/27/2026 10 AM PDT 9.24 70 0 Not Applicable
03/27/2026 11 AM PDT 9.24 70 0 Not Applicable
03/27/2026 12 PM PDT 9.24 70 0 Not Applicable
03/27/2026 01 PM PDT 9.24 70 0 Not Applicable
03/27/2026 02 PM PDT 9.24 70 0 Not Applicable
03/27/2026 03 PM PDT 9.24 70 0 Not Applicable
03/27/2026 04 PM PDT 9.24 70 0 Not Applicable
03/27/2026 05 PM PDT 9.24 70 0 Not Applicable
03/27/2026 06 PM PDT 9.24 70 0 Not Applicable
03/27/2026 07 PM PDT 9.24 70 0 Not Applicable
03/27/2026 08 PM PDT 9.24 70 0 Not Applicable
03/27/2026 09 PM PDT 9.24 70 0 Not Applicable
03/27/2026 10 PM PDT 9.24 70 0 Not Applicable
03/27/2026 11 PM PDT 9.24 70 0 Not Applicable
03/28/2026 12 AM PDT 9.24 70 0 Not Applicable
03/28/2026 01 AM PDT 9.24 70 0 Not Applicable
03/28/2026 02 AM PDT 9.24 70 0 Not Applicable
03/28/2026 03 AM PDT 9.24 70 0 Not Applicable
03/28/2026 04 AM PDT 9.24 70 0 Not Applicable
03/28/2026 05 AM PDT 9.24 70 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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