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YUBA RIVER - MARYSVILLE (MRYC1)
| Latitude: 39.18º N | Longitude: 121.52º W | Elevation: 88 Feet | | Forecast Type: Official Location |
| Location: Yuba County in California | Bulletin Group: Lower Sacramento | River Group: Feather Yuba |
| Issuance Time: | Aug 23 2026 at 7:24 AM PDT | Next Issuance: | Aug 24 2026 at 9:00 AM PDT
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| Action/Monitor: 74.0 Feet | Minor Flood: 87.0 Feet | Moderate Flood: 90.0 Feet | Major Flood: 91.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Yuba River - Marysville (MRYC1)
#
# File Generation Time: 08/23/2026 at 07:25 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/22/2026 at 04:00 PM PDT
# Maximum Observed Stage: 61.38 Feet
# Maximum Observed Flow: 723 cfs
#
# Earliest Date & Time of Maximum Forecast: 08/23/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 61.35 Feet
# Maximum Forecast Flow: 702 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
08/18/2026 07 AM PDT 61.17 587 Normal
08/18/2026 08 AM PDT 61.17 587 0 Normal
08/18/2026 09 AM PDT 61.18 593 + Normal
08/18/2026 10 AM PDT 61.16 581 - Normal
08/18/2026 11 AM PDT 61.17 587 + Normal
08/18/2026 12 PM PDT 61.17 587 0 Normal
08/18/2026 01 PM PDT 61.16 581 - Normal
08/18/2026 02 PM PDT 61.16 581 0 Normal
08/18/2026 03 PM PDT 61.17 587 + Normal
08/18/2026 04 PM PDT 61.19 599 + Normal
08/18/2026 05 PM PDT 61.19 599 0 Normal
08/18/2026 06 PM PDT 61.18 593 - Normal
08/18/2026 07 PM PDT 61.18 593 0 Normal
08/18/2026 08 PM PDT 61.19 599 + Normal
08/18/2026 09 PM PDT 61.21 612 + Normal
08/18/2026 10 PM PDT 61.22 618 + Normal
08/18/2026 11 PM PDT 61.23 624 + Normal
08/19/2026 12 AM PDT 61.23 624 0 Normal
08/19/2026 01 AM PDT 61.23 624 0 Normal
08/19/2026 02 AM PDT 61.23 624 0 Normal
08/19/2026 03 AM PDT 61.23 624 0 Normal
08/19/2026 04 AM PDT 61.24 630 + Normal
08/19/2026 05 AM PDT 61.24 630 0 Normal
08/19/2026 06 AM PDT 61.24 630 0 Normal
08/19/2026 07 AM PDT 61.23 624 - Normal
08/19/2026 08 AM PDT 61.23 624 0 Normal
08/19/2026 09 AM PDT 61.24 630 + Normal
08/19/2026 10 AM PDT 61.24 630 0 Normal
08/19/2026 11 AM PDT 61.22 618 - Normal
08/19/2026 12 PM PDT 61.22 618 0 Normal
08/19/2026 01 PM PDT 61.21 612 - Normal
08/19/2026 02 PM PDT 61.22 618 + Normal
08/19/2026 03 PM PDT 61.22 618 0 Normal
08/19/2026 04 PM PDT 61.23 624 + Normal
08/19/2026 05 PM PDT 61.22 618 - Normal
08/19/2026 06 PM PDT 61.20 605 - Normal
08/19/2026 07 PM PDT 61.20 605 0 Normal
08/19/2026 08 PM PDT 61.20 605 0 Normal
08/19/2026 09 PM PDT 61.19 599 - Normal
08/19/2026 10 PM PDT 61.19 599 0 Normal
08/19/2026 11 PM PDT 61.19 599 0 Normal
08/20/2026 12 AM PDT 61.20 605 + Normal
08/20/2026 01 AM PDT 61.20 605 0 Normal
08/20/2026 02 AM PDT 61.20 605 0 Normal
08/20/2026 03 AM PDT 61.20 605 0 Normal
08/20/2026 04 AM PDT 61.20 605 0 Normal
08/20/2026 05 AM PDT 61.20 605 0 Normal
08/20/2026 06 AM PDT 61.20 605 0 Normal
08/20/2026 07 AM PDT 61.19 599 - Normal
08/20/2026 08 AM PDT 61.19 599 0 Normal
08/20/2026 09 AM PDT 61.22 618 + Normal
08/20/2026 10 AM PDT 61.23 624 + Normal
08/20/2026 11 AM PDT 61.23 624 0 Normal
08/20/2026 12 PM PDT 61.24 630 + Normal
08/20/2026 01 PM PDT 61.23 624 - Normal
08/20/2026 02 PM PDT 61.23 624 0 Normal
08/20/2026 03 PM PDT 61.25 637 + Normal
08/20/2026 04 PM PDT 61.26 643 + Normal
08/20/2026 05 PM PDT 61.26 643 0 Normal
08/20/2026 06 PM PDT 61.25 637 - Normal
08/20/2026 07 PM PDT 61.25 637 0 Normal
08/20/2026 08 PM PDT 61.25 637 0 Normal
08/20/2026 09 PM PDT 61.25 637 0 Normal
08/20/2026 10 PM PDT 61.26 643 + Normal
08/20/2026 11 PM PDT 61.26 643 0 Normal
08/21/2026 12 AM PDT 61.26 643 0 Normal
08/21/2026 01 AM PDT 61.25 637 - Normal
08/21/2026 02 AM PDT 61.26 643 + Normal
08/21/2026 03 AM PDT 61.26 643 0 Normal
08/21/2026 04 AM PDT 61.26 643 0 Normal
08/21/2026 05 AM PDT 61.26 643 0 Normal
08/21/2026 06 AM PDT 61.26 643 0 Normal
08/21/2026 07 AM PDT 61.26 643 0 Normal
08/21/2026 08 AM PDT 61.27 650 + Normal
08/21/2026 09 AM PDT 61.30 669 + Normal
08/21/2026 10 AM PDT 61.31 676 + Normal
08/21/2026 11 AM PDT 61.32 682 + Normal
08/21/2026 12 PM PDT 61.32 682 0 Normal
08/21/2026 01 PM PDT 61.31 676 - Normal
08/21/2026 02 PM PDT 61.32 682 + Normal
08/21/2026 03 PM PDT 61.35 702 + Normal
08/21/2026 04 PM PDT 61.35 702 0 Normal
08/21/2026 05 PM PDT 61.35 702 0 Normal
08/21/2026 06 PM PDT 61.34 696 - Normal
08/21/2026 07 PM PDT 61.34 696 0 Normal
08/21/2026 08 PM PDT 61.34 696 0 Normal
08/21/2026 09 PM PDT 61.34 696 0 Normal
08/21/2026 10 PM PDT 61.33 689 - Normal
08/21/2026 11 PM PDT 61.33 689 0 Normal
08/22/2026 12 AM PDT 61.33 689 0 Normal
08/22/2026 01 AM PDT 61.33 689 0 Normal
08/22/2026 02 AM PDT 61.33 689 0 Normal
08/22/2026 03 AM PDT 61.34 696 + Normal
08/22/2026 04 AM PDT 61.33 689 - Normal
08/22/2026 05 AM PDT 61.33 689 0 Normal
08/22/2026 06 AM PDT 61.34 696 + Normal
08/22/2026 07 AM PDT 61.32 682 - Normal
08/22/2026 08 AM PDT 61.32 682 0 Normal
08/22/2026 09 AM PDT 61.32 682 0 Normal
08/22/2026 10 AM PDT 61.33 689 + Normal
08/22/2026 11 AM PDT 61.34 696 + Normal
08/22/2026 12 PM PDT 61.35 702 + Normal
08/22/2026 01 PM PDT 61.37 716 + Normal
08/22/2026 02 PM PDT 61.36 709 - Normal
08/22/2026 03 PM PDT 61.37 716 + Normal
08/22/2026 04 PM PDT 61.38 723 + Normal
08/22/2026 05 PM PDT 61.37 716 - Normal
08/22/2026 06 PM PDT 61.36 709 - Normal
08/22/2026 07 PM PDT 61.36 709 0 Normal
08/22/2026 08 PM PDT 61.35 702 - Normal
08/22/2026 09 PM PDT 61.35 702 0 Normal
08/22/2026 10 PM PDT 61.35 702 0 Normal
08/22/2026 11 PM PDT 61.35 702 0 Normal
08/23/2026 12 AM PDT 61.35 702 0 Normal
08/23/2026 01 AM PDT 61.35 702 0 Normal
08/23/2026 02 AM PDT 61.35 702 0 Normal
08/23/2026 03 AM PDT 61.36 709 + Normal
08/23/2026 04 AM PDT 61.35 702 - Normal
08/23/2026 05 AM PDT 61.36 709 + Normal
08/23/2026 06 AM PDT 61.36 709 0 Normal
08/23/2026 07 AM PDT 61.35 702 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
08/23/2026 08 AM PDT 61.35 702 Normal
08/23/2026 09 AM PDT 61.35 702 0 Normal
08/23/2026 10 AM PDT 61.35 702 0 Normal
08/23/2026 11 AM PDT 61.34 696 - Normal
08/23/2026 12 PM PDT 61.34 696 0 Normal
08/23/2026 01 PM PDT 61.34 696 0 Normal
08/23/2026 02 PM PDT 61.34 696 0 Normal
08/23/2026 03 PM PDT 61.33 689 - Normal
08/23/2026 04 PM PDT 61.33 689 0 Normal
08/23/2026 05 PM PDT 61.33 689 0 Normal
08/23/2026 06 PM PDT 61.35 702 + Normal
08/23/2026 07 PM PDT 61.35 702 0 Normal
08/23/2026 08 PM PDT 61.35 702 0 Normal
08/23/2026 09 PM PDT 61.35 702 0 Normal
08/23/2026 10 PM PDT 61.35 702 0 Normal
08/23/2026 11 PM PDT 61.35 702 0 Normal
08/24/2026 12 AM PDT 61.35 702 0 Normal
08/24/2026 01 AM PDT 61.35 702 0 Normal
08/24/2026 02 AM PDT 61.35 702 0 Normal
08/24/2026 03 AM PDT 61.35 702 0 Normal
08/24/2026 04 AM PDT 61.35 702 0 Normal
08/24/2026 05 AM PDT 61.35 702 0 Normal
08/24/2026 06 AM PDT 61.35 702 0 Normal
08/24/2026 07 AM PDT 61.35 702 0 Normal
08/24/2026 08 AM PDT 61.35 702 0 Normal
08/24/2026 09 AM PDT 61.35 702 0 Normal
08/24/2026 10 AM PDT 61.35 702 0 Normal
08/24/2026 11 AM PDT 61.35 702 0 Normal
08/24/2026 12 PM PDT 61.35 702 0 Normal
08/24/2026 01 PM PDT 61.34 696 - Normal
08/24/2026 02 PM PDT 61.32 682 - Normal
08/24/2026 03 PM PDT 61.31 676 - Normal
08/24/2026 04 PM PDT 61.31 676 0 Normal
08/24/2026 05 PM PDT 61.31 676 0 Normal
08/24/2026 06 PM PDT 61.32 682 + Normal
08/24/2026 07 PM PDT 61.32 682 0 Normal
08/24/2026 08 PM PDT 61.32 682 0 Normal
08/24/2026 09 PM PDT 61.32 682 0 Normal
08/24/2026 10 PM PDT 61.32 682 0 Normal
08/24/2026 11 PM PDT 61.32 682 0 Normal
08/25/2026 12 AM PDT 61.32 682 0 Normal
08/25/2026 01 AM PDT 61.32 682 0 Normal
08/25/2026 02 AM PDT 61.32 682 0 Normal
08/25/2026 03 AM PDT 61.32 682 0 Normal
08/25/2026 04 AM PDT 61.32 682 0 Normal
08/25/2026 05 AM PDT 61.32 682 0 Normal
08/25/2026 06 AM PDT 61.32 682 0 Normal
08/25/2026 07 AM PDT 61.32 682 0 Normal
08/25/2026 08 AM PDT 61.32 682 0 Normal
08/25/2026 09 AM PDT 61.32 682 0 Normal
08/25/2026 10 AM PDT 61.32 682 0 Normal
08/25/2026 11 AM PDT 61.32 682 0 Normal
08/25/2026 12 PM PDT 61.32 682 0 Normal
08/25/2026 01 PM PDT 61.32 682 0 Normal
08/25/2026 02 PM PDT 61.32 682 0 Normal
08/25/2026 03 PM PDT 61.32 682 0 Normal
08/25/2026 04 PM PDT 61.32 682 0 Normal
08/25/2026 05 PM PDT 61.32 682 0 Normal
08/25/2026 06 PM PDT 61.34 696 + Normal
08/25/2026 07 PM PDT 61.34 696 0 Normal
08/25/2026 08 PM PDT 61.34 696 0 Normal
08/25/2026 09 PM PDT 61.34 696 0 Normal
08/25/2026 10 PM PDT 61.34 696 0 Normal
08/25/2026 11 PM PDT 61.34 696 0 Normal
08/26/2026 12 AM PDT 61.34 696 0 Normal
08/26/2026 01 AM PDT 61.34 696 0 Normal
08/26/2026 02 AM PDT 61.34 696 0 Normal
08/26/2026 03 AM PDT 61.34 696 0 Normal
08/26/2026 04 AM PDT 61.34 696 0 Normal
08/26/2026 05 AM PDT 61.34 696 0 Normal
08/26/2026 06 AM PDT 61.34 696 0 Normal
08/26/2026 07 AM PDT 61.34 696 0 Normal
08/26/2026 08 AM PDT 61.34 696 0 Normal
08/26/2026 09 AM PDT 61.34 696 0 Normal
08/26/2026 10 AM PDT 61.34 696 0 Normal
08/26/2026 11 AM PDT 61.34 696 0 Normal
08/26/2026 12 PM PDT 61.34 696 0 Normal
08/26/2026 01 PM PDT 61.33 689 - Normal
08/26/2026 02 PM PDT 61.31 676 - Normal
08/26/2026 03 PM PDT 61.30 669 - Normal
08/26/2026 04 PM PDT 61.29 663 - Normal
08/26/2026 05 PM PDT 61.29 663 0 Normal
08/26/2026 06 PM PDT 61.31 676 + Normal
08/26/2026 07 PM PDT 61.31 676 0 Normal
08/26/2026 08 PM PDT 61.31 676 0 Normal
08/26/2026 09 PM PDT 61.31 676 0 Normal
08/26/2026 10 PM PDT 61.31 676 0 Normal
08/26/2026 11 PM PDT 61.31 676 0 Normal
08/27/2026 12 AM PDT 61.31 676 0 Normal
08/27/2026 01 AM PDT 61.31 676 0 Normal
08/27/2026 02 AM PDT 61.31 676 0 Normal
08/27/2026 03 AM PDT 61.31 676 0 Normal
08/27/2026 04 AM PDT 61.31 676 0 Normal
08/27/2026 05 AM PDT 61.31 676 0 Normal
08/27/2026 06 AM PDT 61.31 676 0 Normal
08/27/2026 07 AM PDT 61.31 676 0 Normal
08/27/2026 08 AM PDT 61.31 676 0 Normal
08/27/2026 09 AM PDT 61.31 676 0 Normal
08/27/2026 10 AM PDT 61.31 676 0 Normal
08/27/2026 11 AM PDT 61.31 676 0 Normal
08/27/2026 12 PM PDT 61.31 676 0 Normal
08/27/2026 01 PM PDT 61.31 676 0 Normal
08/27/2026 02 PM PDT 61.31 676 0 Normal
08/27/2026 03 PM PDT 61.31 676 0 Normal
08/27/2026 04 PM PDT 61.31 676 0 Normal
08/27/2026 05 PM PDT 61.31 676 0 Normal
08/27/2026 06 PM PDT 61.33 689 + Normal
08/27/2026 07 PM PDT 61.33 689 0 Normal
08/27/2026 08 PM PDT 61.33 689 0 Normal
08/27/2026 09 PM PDT 61.33 689 0 Normal
08/27/2026 10 PM PDT 61.33 689 0 Normal
08/27/2026 11 PM PDT 61.33 689 0 Normal
08/28/2026 12 AM PDT 61.33 689 0 Normal
08/28/2026 01 AM PDT 61.33 689 0 Normal
08/28/2026 02 AM PDT 61.33 689 0 Normal
08/28/2026 03 AM PDT 61.33 689 0 Normal
08/28/2026 04 AM PDT 61.33 689 0 Normal
08/28/2026 05 AM PDT 61.33 689 0 Normal
#
# 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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