# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time: 03/28/2026 at 07:54 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/23/2026 at 06:00 PM PDT
# Maximum Observed Stage: 9.29 Feet
# Maximum Observed Flow: 77 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/02/2026 at 12:00 AM PDT
# Maximum Forecast Stage: 9.29 Feet
# Maximum Forecast Flow: 77 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
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
03/23/2026 02 PM PDT 9.29 77 0 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 9.28 75 - Not Applicable
03/23/2026 08 PM PDT 9.28 75 0 Not Applicable
03/23/2026 09 PM PDT 9.28 75 0 Not Applicable
03/23/2026 10 PM PDT 9.27 74 - Not Applicable
03/23/2026 11 PM PDT 9.28 75 + Not Applicable
03/24/2026 12 AM PDT 9.27 74 - Not Applicable
03/24/2026 01 AM PDT 9.27 74 0 Not Applicable
03/24/2026 02 AM PDT 9.27 74 0 Not Applicable
03/24/2026 03 AM PDT 9.26 73 - Not Applicable
03/24/2026 04 AM PDT 9.26 73 0 Not Applicable
03/24/2026 05 AM PDT 9.26 73 0 Not Applicable
03/24/2026 06 AM PDT 9.26 73 0 Not Applicable
03/24/2026 07 AM PDT 9.25 71 - Not Applicable
03/24/2026 08 AM PDT 9.26 73 + Not Applicable
03/24/2026 09 AM PDT 9.26 73 0 Not Applicable
03/24/2026 10 AM PDT 9.26 73 0 Not Applicable
03/24/2026 11 AM PDT 9.26 73 0 Not Applicable
03/24/2026 12 PM PDT 9.26 73 0 Not Applicable
03/24/2026 01 PM PDT 9.26 73 0 Not Applicable
03/24/2026 02 PM PDT 9.26 73 0 Not Applicable
03/24/2026 03 PM PDT 9.26 73 0 Not Applicable
03/24/2026 04 PM PDT 9.26 73 0 Not Applicable
03/24/2026 05 PM PDT 9.26 73 0 Not Applicable
03/24/2026 06 PM PDT 9.26 73 0 Not Applicable
03/24/2026 07 PM PDT 9.25 71 - Not Applicable
03/24/2026 08 PM PDT 9.25 71 0 Not Applicable
03/24/2026 09 PM PDT 9.25 71 0 Not Applicable
03/24/2026 10 PM PDT 9.24 70 - Not Applicable
03/24/2026 11 PM PDT 9.24 70 0 Not Applicable
03/25/2026 12 AM PDT 9.24 70 0 Not Applicable
03/25/2026 01 AM PDT 9.24 70 0 Not Applicable
03/25/2026 02 AM PDT 9.24 70 0 Not Applicable
03/25/2026 03 AM PDT 9.24 70 0 Not Applicable
03/25/2026 04 AM PDT 9.23 69 - Not Applicable
03/25/2026 05 AM PDT 9.23 69 0 Not Applicable
03/25/2026 06 AM PDT 9.23 69 0 Not Applicable
03/25/2026 07 AM PDT 9.23 69 0 Not Applicable
03/25/2026 08 AM PDT 9.23 69 0 Not Applicable
03/25/2026 09 AM PDT 9.23 69 0 Not Applicable
03/25/2026 10 AM PDT 9.23 69 0 Not Applicable
03/25/2026 11 AM PDT 9.24 70 + Not Applicable
03/25/2026 12 PM PDT 9.24 70 0 Not Applicable
03/25/2026 01 PM PDT 9.24 70 0 Not Applicable
03/25/2026 02 PM PDT 9.24 70 0 Not Applicable
03/25/2026 03 PM PDT 9.23 69 - Not Applicable
03/25/2026 04 PM PDT 9.24 70 + Not Applicable
03/25/2026 05 PM PDT 9.23 69 - Not Applicable
03/25/2026 06 PM PDT 9.24 70 + Not Applicable
03/25/2026 07 PM PDT 9.23 69 - Not Applicable
03/25/2026 08 PM PDT 9.23 69 0 Not Applicable
03/25/2026 09 PM PDT 9.23 69 0 Not Applicable
03/25/2026 10 PM PDT 9.22 68 - Not Applicable
03/25/2026 11 PM PDT 9.22 68 0 Not Applicable
03/26/2026 12 AM PDT 9.22 68 0 Not Applicable
03/26/2026 01 AM PDT 9.22 68 0 Not Applicable
03/26/2026 02 AM PDT 9.21 67 - Not Applicable
03/26/2026 03 AM PDT 9.21 67 0 Not Applicable
03/26/2026 04 AM PDT 9.21 67 0 Not Applicable
03/26/2026 05 AM PDT 9.21 67 0 Not Applicable
03/26/2026 06 AM PDT 9.21 67 0 Not Applicable
03/26/2026 07 AM PDT 9.21 67 0 Not Applicable
03/26/2026 08 AM PDT 9.21 67 0 Not Applicable
03/26/2026 09 AM PDT 9.20 66 - Not Applicable
03/26/2026 10 AM PDT 9.21 67 + Not Applicable
03/26/2026 11 AM PDT 9.21 67 0 Not Applicable
03/26/2026 12 PM PDT 9.21 67 0 Not Applicable
03/26/2026 01 PM PDT 9.21 67 0 Not Applicable
03/26/2026 02 PM PDT 9.21 67 0 Not Applicable
03/26/2026 03 PM PDT 9.21 67 0 Not Applicable
03/26/2026 04 PM PDT 9.21 67 0 Not Applicable
03/26/2026 05 PM PDT 9.21 67 0 Not Applicable
03/26/2026 06 PM PDT 9.21 67 0 Not Applicable
03/26/2026 07 PM PDT 9.21 67 0 Not Applicable
03/26/2026 08 PM PDT 9.21 67 0 Not Applicable
03/26/2026 09 PM PDT 9.21 67 0 Not Applicable
03/26/2026 10 PM PDT 9.20 66 - Not Applicable
03/26/2026 11 PM PDT 9.20 66 0 Not Applicable
03/27/2026 12 AM PDT 9.20 66 0 Not Applicable
03/27/2026 01 AM PDT 9.19 65 - Not Applicable
03/27/2026 02 AM PDT 9.19 65 0 Not Applicable
03/27/2026 03 AM PDT 9.19 65 0 Not Applicable
03/27/2026 04 AM PDT 9.19 65 0 Not Applicable
03/27/2026 05 AM PDT 9.19 65 0 Not Applicable
03/27/2026 06 AM PDT 9.19 65 0 Not Applicable
03/27/2026 07 AM PDT 9.19 65 0 Not Applicable
03/27/2026 08 AM PDT 9.19 65 0 Not Applicable
03/27/2026 09 AM PDT 9.19 65 0 Not Applicable
03/27/2026 10 AM PDT 9.19 65 0 Not Applicable
03/27/2026 11 AM PDT 9.19 65 0 Not Applicable
03/27/2026 12 PM PDT 9.19 65 0 Not Applicable
03/27/2026 01 PM PDT 9.19 65 0 Not Applicable
03/27/2026 02 PM PDT 9.19 65 0 Not Applicable
03/27/2026 03 PM PDT 9.20 66 + Not Applicable
03/27/2026 04 PM PDT 9.20 66 0 Not Applicable
03/27/2026 05 PM PDT 9.19 65 - Not Applicable
03/27/2026 06 PM PDT 9.20 66 + Not Applicable
03/27/2026 07 PM PDT 9.19 65 - Not Applicable
03/27/2026 08 PM PDT 9.19 65 0 Not Applicable
03/27/2026 09 PM PDT 9.18 64 - Not Applicable
03/27/2026 10 PM PDT 9.18 64 0 Not Applicable
03/27/2026 11 PM PDT 9.18 64 0 Not Applicable
03/28/2026 12 AM PDT 9.18 64 0 Not Applicable
03/28/2026 01 AM PDT 9.17 63 - Not Applicable
03/28/2026 02 AM PDT 9.17 63 0 Not Applicable
03/28/2026 03 AM PDT 9.17 63 0 Not Applicable
03/28/2026 04 AM PDT 9.17 63 0 Not Applicable
03/28/2026 05 AM PDT 9.17 63 0 Not Applicable
03/28/2026 06 AM PDT 9.17 63 0 Not Applicable
03/28/2026 07 AM PDT 9.17 63 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/28/2026 08 AM PDT 9.17 63 Not Applicable
03/28/2026 09 AM PDT 9.17 63 0 Not Applicable
03/28/2026 10 AM PDT 9.17 63 0 Not Applicable
03/28/2026 11 AM PDT 9.17 63 0 Not Applicable
03/28/2026 12 PM PDT 9.17 63 0 Not Applicable
03/28/2026 01 PM PDT 9.17 63 0 Not Applicable
03/28/2026 02 PM PDT 9.17 63 0 Not Applicable
03/28/2026 03 PM PDT 9.17 63 0 Not Applicable
03/28/2026 04 PM PDT 9.17 63 0 Not Applicable
03/28/2026 05 PM PDT 9.17 63 0 Not Applicable
03/28/2026 06 PM PDT 9.16 61 - Not Applicable
03/28/2026 07 PM PDT 9.16 61 0 Not Applicable
03/28/2026 08 PM PDT 9.16 61 0 Not Applicable
03/28/2026 09 PM PDT 9.16 61 0 Not Applicable
03/28/2026 10 PM PDT 9.16 61 0 Not Applicable
03/28/2026 11 PM PDT 9.16 61 0 Not Applicable
03/29/2026 12 AM PDT 9.16 61 0 Not Applicable
03/29/2026 01 AM PDT 9.16 61 0 Not Applicable
03/29/2026 02 AM PDT 9.16 61 0 Not Applicable
03/29/2026 03 AM PDT 9.16 61 0 Not Applicable
03/29/2026 04 AM PDT 9.16 61 0 Not Applicable
03/29/2026 05 AM PDT 9.16 61 0 Not Applicable
03/29/2026 06 AM PDT 9.16 61 0 Not Applicable
03/29/2026 07 AM PDT 9.16 61 0 Not Applicable
03/29/2026 08 AM PDT 9.16 61 0 Not Applicable
03/29/2026 09 AM PDT 9.16 61 0 Not Applicable
03/29/2026 10 AM PDT 9.16 61 0 Not Applicable
03/29/2026 11 AM PDT 9.16 61 0 Not Applicable
03/29/2026 12 PM PDT 9.16 61 0 Not Applicable
03/29/2026 01 PM PDT 9.16 61 0 Not Applicable
03/29/2026 02 PM PDT 9.16 61 0 Not Applicable
03/29/2026 03 PM PDT 9.16 61 0 Not Applicable
03/29/2026 04 PM PDT 9.16 61 0 Not Applicable
03/29/2026 05 PM PDT 9.16 61 0 Not Applicable
03/29/2026 06 PM PDT 9.16 61 0 Not Applicable
03/29/2026 07 PM PDT 9.16 61 0 Not Applicable
03/29/2026 08 PM PDT 9.16 61 0 Not Applicable
03/29/2026 09 PM PDT 9.16 61 0 Not Applicable
03/29/2026 10 PM PDT 9.16 61 0 Not Applicable
03/29/2026 11 PM PDT 9.16 61 0 Not Applicable
03/30/2026 12 AM PDT 9.15 60 - Not Applicable
03/30/2026 01 AM PDT 9.15 60 0 Not Applicable
03/30/2026 02 AM PDT 9.15 60 0 Not Applicable
03/30/2026 03 AM PDT 9.15 60 0 Not Applicable
03/30/2026 04 AM PDT 9.15 60 0 Not Applicable
03/30/2026 05 AM PDT 9.15 60 0 Not Applicable
03/30/2026 06 AM PDT 9.15 60 0 Not Applicable
03/30/2026 07 AM PDT 9.15 60 0 Not Applicable
03/30/2026 08 AM PDT 9.15 60 0 Not Applicable
03/30/2026 09 AM PDT 9.15 60 0 Not Applicable
03/30/2026 10 AM PDT 9.15 60 0 Not Applicable
03/30/2026 11 AM PDT 9.15 60 0 Not Applicable
03/30/2026 12 PM PDT 9.15 60 0 Not Applicable
03/30/2026 01 PM PDT 9.15 60 0 Not Applicable
03/30/2026 02 PM PDT 9.15 60 0 Not Applicable
03/30/2026 03 PM PDT 9.15 60 0 Not Applicable
03/30/2026 04 PM PDT 9.15 60 0 Not Applicable
03/30/2026 05 PM PDT 9.15 60 0 Not Applicable
03/30/2026 06 PM PDT 9.15 60 0 Not Applicable
03/30/2026 07 PM PDT 9.15 60 0 Not Applicable
03/30/2026 08 PM PDT 9.15 60 0 Not Applicable
03/30/2026 09 PM PDT 9.15 60 0 Not Applicable
03/30/2026 10 PM PDT 9.15 60 0 Not Applicable
03/30/2026 11 PM PDT 9.15 60 0 Not Applicable
03/31/2026 12 AM PDT 9.15 60 0 Not Applicable
03/31/2026 01 AM PDT 9.15 60 0 Not Applicable
03/31/2026 02 AM PDT 9.15 60 0 Not Applicable
03/31/2026 03 AM PDT 9.15 60 0 Not Applicable
03/31/2026 04 AM PDT 9.15 60 0 Not Applicable
03/31/2026 05 AM PDT 9.15 60 0 Not Applicable
03/31/2026 06 AM PDT 9.15 60 0 Not Applicable
03/31/2026 07 AM PDT 9.15 60 0 Not Applicable
03/31/2026 08 AM PDT 9.15 60 0 Not Applicable
03/31/2026 09 AM PDT 9.14 59 - Not Applicable
03/31/2026 10 AM PDT 9.14 59 0 Not Applicable
03/31/2026 11 AM PDT 9.14 59 0 Not Applicable
03/31/2026 12 PM PDT 9.14 59 0 Not Applicable
03/31/2026 01 PM PDT 9.14 59 0 Not Applicable
03/31/2026 02 PM PDT 9.14 59 0 Not Applicable
03/31/2026 03 PM PDT 9.14 59 0 Not Applicable
03/31/2026 04 PM PDT 9.14 59 0 Not Applicable
03/31/2026 05 PM PDT 9.14 59 0 Not Applicable
03/31/2026 06 PM PDT 9.14 59 0 Not Applicable
03/31/2026 07 PM PDT 9.14 59 0 Not Applicable
03/31/2026 08 PM PDT 9.14 59 0 Not Applicable
03/31/2026 09 PM PDT 9.14 59 0 Not Applicable
03/31/2026 10 PM PDT 9.14 59 0 Not Applicable
03/31/2026 11 PM PDT 9.14 59 0 Not Applicable
04/01/2026 12 AM PDT 9.14 59 0 Not Applicable
04/01/2026 01 AM PDT 9.14 59 0 Not Applicable
04/01/2026 02 AM PDT 9.14 59 0 Not Applicable
04/01/2026 03 AM PDT 9.14 59 0 Not Applicable
04/01/2026 04 AM PDT 9.14 59 0 Not Applicable
04/01/2026 05 AM PDT 9.14 59 0 Not Applicable
04/01/2026 06 AM PDT 9.14 59 0 Not Applicable
04/01/2026 07 AM PDT 9.14 59 0 Not Applicable
04/01/2026 08 AM PDT 9.15 60 + Not Applicable
04/01/2026 09 AM PDT 9.15 60 0 Not Applicable
04/01/2026 10 AM PDT 9.15 60 0 Not Applicable
04/01/2026 11 AM PDT 9.16 61 + Not Applicable
04/01/2026 12 PM PDT 9.17 63 + Not Applicable
04/01/2026 01 PM PDT 9.18 64 + Not Applicable
04/01/2026 02 PM PDT 9.19 65 + Not Applicable
04/01/2026 03 PM PDT 9.20 66 + Not Applicable
04/01/2026 04 PM PDT 9.21 67 + Not Applicable
04/01/2026 05 PM PDT 9.22 68 + Not Applicable
04/01/2026 06 PM PDT 9.23 69 + Not Applicable
04/01/2026 07 PM PDT 9.24 70 + Not Applicable
04/01/2026 08 PM PDT 9.26 73 + Not Applicable
04/01/2026 09 PM PDT 9.27 74 + Not Applicable
04/01/2026 10 PM PDT 9.28 75 + Not Applicable
04/01/2026 11 PM PDT 9.28 75 0 Not Applicable
04/02/2026 12 AM PDT 9.29 77 + Not Applicable
04/02/2026 01 AM PDT 9.29 77 0 Not Applicable
04/02/2026 02 AM PDT 9.29 77 0 Not Applicable
04/02/2026 03 AM PDT 9.29 77 0 Not Applicable
04/02/2026 04 AM PDT 9.29 77 0 Not Applicable
04/02/2026 05 AM PDT 9.28 75 - 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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