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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: | Sep 02 2026 at 7:20 AM PDT | Next Issuance: | Sep 03 2026 at 9:00 AM PDT
| |
| Action: 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: 09/02/2026 at 07:20 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/30/2026 at 04:00 PM PDT
# Maximum Observed Stage: 61.56 Feet
# Maximum Observed Flow: 850 cfs
#
# Earliest Date & Time of Maximum Forecast: 09/02/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 61.51 Feet
# Maximum Forecast Flow: 814 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
08/28/2026 07 AM PDT 61.44 764 Normal
08/28/2026 08 AM PDT 61.44 764 0 Normal
08/28/2026 09 AM PDT 61.45 771 + Normal
08/28/2026 10 AM PDT 61.43 757 - Normal
08/28/2026 11 AM PDT 61.45 771 + Normal
08/28/2026 12 PM PDT 61.45 771 0 Normal
08/28/2026 01 PM PDT 61.45 771 0 Normal
08/28/2026 02 PM PDT 61.45 771 0 Normal
08/28/2026 03 PM PDT 61.46 778 + Normal
08/28/2026 04 PM PDT 61.47 785 + Normal
08/28/2026 05 PM PDT 61.47 785 0 Normal
08/28/2026 06 PM PDT 61.46 778 - Normal
08/28/2026 07 PM PDT 61.46 778 0 Normal
08/28/2026 08 PM PDT 61.46 778 0 Normal
08/28/2026 09 PM PDT 61.47 785 + Normal
08/28/2026 10 PM PDT 61.46 778 - Normal
08/28/2026 11 PM PDT 61.46 778 0 Normal
08/29/2026 12 AM PDT 61.46 778 0 Normal
08/29/2026 01 AM PDT 61.47 785 + Normal
08/29/2026 02 AM PDT 61.47 785 0 Normal
08/29/2026 03 AM PDT 61.47 785 0 Normal
08/29/2026 04 AM PDT 61.47 785 0 Normal
08/29/2026 05 AM PDT 61.47 785 0 Normal
08/29/2026 06 AM PDT 61.48 792 + Normal
08/29/2026 07 AM PDT 61.47 785 - Normal
08/29/2026 08 AM PDT 61.46 778 - Normal
08/29/2026 09 AM PDT 61.45 771 - Normal
08/29/2026 10 AM PDT 61.47 785 + Normal
08/29/2026 11 AM PDT 61.47 785 0 Normal
08/29/2026 12 PM PDT 61.48 792 + Normal
08/29/2026 01 PM PDT 61.48 792 0 Normal
08/29/2026 02 PM PDT 61.50 807 + Normal
08/29/2026 03 PM PDT 61.50 807 0 Normal
08/29/2026 04 PM PDT 61.50 807 0 Normal
08/29/2026 05 PM PDT 61.50 807 0 Normal
08/29/2026 06 PM PDT 61.49 799 - Normal
08/29/2026 07 PM PDT 61.49 799 0 Normal
08/29/2026 08 PM PDT 61.49 799 0 Normal
08/29/2026 09 PM PDT 61.49 799 0 Normal
08/29/2026 10 PM PDT 61.48 792 - Normal
08/29/2026 11 PM PDT 61.48 792 0 Normal
08/30/2026 12 AM PDT 61.49 799 + Normal
08/30/2026 01 AM PDT 61.49 799 0 Normal
08/30/2026 02 AM PDT 61.48 792 - Normal
08/30/2026 03 AM PDT 61.48 792 0 Normal
08/30/2026 04 AM PDT 61.49 799 + Normal
08/30/2026 05 AM PDT 61.49 799 0 Normal
08/30/2026 06 AM PDT 61.49 799 0 Normal
08/30/2026 07 AM PDT 61.49 799 0 Normal
08/30/2026 08 AM PDT 61.50 807 + Normal
08/30/2026 09 AM PDT 61.50 807 0 Normal
08/30/2026 10 AM PDT 61.51 814 + Normal
08/30/2026 11 AM PDT 61.53 828 + Normal
08/30/2026 12 PM PDT 61.53 828 0 Normal
08/30/2026 01 PM PDT 61.54 836 + Normal
08/30/2026 02 PM PDT 61.53 828 - Normal
08/30/2026 03 PM PDT 61.55 843 + Normal
08/30/2026 04 PM PDT 61.56 850 + Normal
08/30/2026 05 PM PDT 61.55 843 - Normal
08/30/2026 06 PM PDT 61.55 843 0 Normal
08/30/2026 07 PM PDT 61.53 828 - Normal
08/30/2026 08 PM PDT 61.53 828 0 Normal
08/30/2026 09 PM PDT 61.53 828 0 Normal
08/30/2026 10 PM PDT 61.53 828 0 Normal
08/30/2026 11 PM PDT 61.53 828 0 Normal
08/31/2026 12 AM PDT 61.52 821 - Normal
08/31/2026 01 AM PDT 61.53 828 + Normal
08/31/2026 02 AM PDT 61.52 821 - Normal
08/31/2026 03 AM PDT 61.53 828 + Normal
08/31/2026 04 AM PDT 61.53 828 0 Normal
08/31/2026 05 AM PDT 61.53 828 0 Normal
08/31/2026 06 AM PDT 61.53 828 0 Normal
08/31/2026 07 AM PDT 61.54 836 + Normal
08/31/2026 08 AM PDT 61.54 836 0 Normal
08/31/2026 09 AM PDT 61.53 828 - Normal
08/31/2026 10 AM PDT 61.54 836 + Normal
08/31/2026 11 AM PDT 61.53 828 - Normal
08/31/2026 12 PM PDT 61.54 836 + Normal
08/31/2026 01 PM PDT 61.54 836 0 Normal
08/31/2026 02 PM PDT 61.54 836 0 Normal
08/31/2026 03 PM PDT 61.53 828 - Normal
08/31/2026 04 PM PDT 61.51 814 - Normal
08/31/2026 05 PM PDT 61.53 828 + Normal
08/31/2026 06 PM PDT 61.52 821 - Normal
08/31/2026 07 PM PDT 61.51 814 - Normal
08/31/2026 08 PM PDT 61.51 814 0 Normal
08/31/2026 09 PM PDT 61.51 814 0 Normal
08/31/2026 10 PM PDT 61.51 814 0 Normal
08/31/2026 11 PM PDT 61.51 814 0 Normal
09/01/2026 12 AM PDT 61.52 821 + Normal
09/01/2026 01 AM PDT 61.51 814 - Normal
09/01/2026 02 AM PDT 61.52 821 + Normal
09/01/2026 03 AM PDT 61.51 814 - Normal
09/01/2026 04 AM PDT 61.51 814 0 Normal
09/01/2026 05 AM PDT 61.52 821 + Normal
09/01/2026 06 AM PDT 61.51 814 - Normal
09/01/2026 07 AM PDT 61.52 821 + Normal
09/01/2026 08 AM PDT 61.52 821 0 Normal
09/01/2026 09 AM PDT 61.51 814 - Normal
09/01/2026 10 AM PDT 61.50 807 - Normal
09/01/2026 11 AM PDT 61.51 814 + Normal
09/01/2026 12 PM PDT 61.52 821 + Normal
09/01/2026 01 PM PDT 61.53 828 + Normal
09/01/2026 02 PM PDT 61.53 828 0 Normal
09/01/2026 03 PM PDT 61.53 828 0 Normal
09/01/2026 04 PM PDT 61.53 828 0 Normal
09/01/2026 05 PM PDT 61.53 828 0 Normal
09/01/2026 06 PM PDT 61.52 821 - Normal
09/01/2026 07 PM PDT 61.51 814 - Normal
09/01/2026 08 PM PDT 61.50 807 - Normal
09/01/2026 09 PM PDT 61.51 814 + Normal
09/01/2026 10 PM PDT 61.51 814 0 Normal
09/01/2026 11 PM PDT 61.50 807 - Normal
09/02/2026 12 AM PDT 61.50 807 0 Normal
09/02/2026 01 AM PDT 61.51 814 + Normal
09/02/2026 02 AM PDT 61.51 814 0 Normal
09/02/2026 03 AM PDT 61.51 814 0 Normal
09/02/2026 04 AM PDT 61.52 821 + Normal
09/02/2026 05 AM PDT 61.51 814 - Normal
09/02/2026 06 AM PDT 61.51 814 0 Normal
09/02/2026 07 AM PDT 61.51 814 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
09/02/2026 08 AM PDT 61.51 814 Normal
09/02/2026 09 AM PDT 61.51 814 0 Normal
09/02/2026 10 AM PDT 61.50 807 - Normal
09/02/2026 11 AM PDT 61.49 799 - Normal
09/02/2026 12 PM PDT 61.48 792 - Normal
09/02/2026 01 PM PDT 61.46 778 - Normal
09/02/2026 02 PM PDT 61.44 764 - Normal
09/02/2026 03 PM PDT 61.43 757 - Normal
09/02/2026 04 PM PDT 61.42 750 - Normal
09/02/2026 05 PM PDT 61.42 750 0 Normal
09/02/2026 06 PM PDT 61.44 764 + Normal
09/02/2026 07 PM PDT 61.44 764 0 Normal
09/02/2026 08 PM PDT 61.44 764 0 Normal
09/02/2026 09 PM PDT 61.44 764 0 Normal
09/02/2026 10 PM PDT 61.44 764 0 Normal
09/02/2026 11 PM PDT 61.44 764 0 Normal
09/03/2026 12 AM PDT 61.44 764 0 Normal
09/03/2026 01 AM PDT 61.44 764 0 Normal
09/03/2026 02 AM PDT 61.44 764 0 Normal
09/03/2026 03 AM PDT 61.44 764 0 Normal
09/03/2026 04 AM PDT 61.44 764 0 Normal
09/03/2026 05 AM PDT 61.44 764 0 Normal
09/03/2026 06 AM PDT 61.44 764 0 Normal
09/03/2026 07 AM PDT 61.44 764 0 Normal
09/03/2026 08 AM PDT 61.44 764 0 Normal
09/03/2026 09 AM PDT 61.43 757 - Normal
09/03/2026 10 AM PDT 61.43 757 0 Normal
09/03/2026 11 AM PDT 61.43 757 0 Normal
09/03/2026 12 PM PDT 61.43 757 0 Normal
09/03/2026 01 PM PDT 61.42 750 - Normal
09/03/2026 02 PM PDT 61.41 743 - Normal
09/03/2026 03 PM PDT 61.40 736 - Normal
09/03/2026 04 PM PDT 61.39 729 - Normal
09/03/2026 05 PM PDT 61.39 729 0 Normal
09/03/2026 06 PM PDT 61.41 743 + Normal
09/03/2026 07 PM PDT 61.41 743 0 Normal
09/03/2026 08 PM PDT 61.41 743 0 Normal
09/03/2026 09 PM PDT 61.41 743 0 Normal
09/03/2026 10 PM PDT 61.41 743 0 Normal
09/03/2026 11 PM PDT 61.41 743 0 Normal
09/04/2026 12 AM PDT 61.41 743 0 Normal
09/04/2026 01 AM PDT 61.41 743 0 Normal
09/04/2026 02 AM PDT 61.41 743 0 Normal
09/04/2026 03 AM PDT 61.40 736 - Normal
09/04/2026 04 AM PDT 61.40 736 0 Normal
09/04/2026 05 AM PDT 61.40 736 0 Normal
09/04/2026 06 AM PDT 61.40 736 0 Normal
09/04/2026 07 AM PDT 61.40 736 0 Normal
09/04/2026 08 AM PDT 61.40 736 0 Normal
09/04/2026 09 AM PDT 61.40 736 0 Normal
09/04/2026 10 AM PDT 61.40 736 0 Normal
09/04/2026 11 AM PDT 61.40 736 0 Normal
09/04/2026 12 PM PDT 61.40 736 0 Normal
09/04/2026 01 PM PDT 61.39 729 - Normal
09/04/2026 02 PM PDT 61.37 716 - Normal
09/04/2026 03 PM PDT 61.35 702 - Normal
09/04/2026 04 PM PDT 61.35 702 0 Normal
09/04/2026 05 PM PDT 61.34 696 - Normal
09/04/2026 06 PM PDT 61.36 709 + Normal
09/04/2026 07 PM PDT 61.36 709 0 Normal
09/04/2026 08 PM PDT 61.36 709 0 Normal
09/04/2026 09 PM PDT 61.36 709 0 Normal
09/04/2026 10 PM PDT 61.36 709 0 Normal
09/04/2026 11 PM PDT 61.36 709 0 Normal
09/05/2026 12 AM PDT 61.36 709 0 Normal
09/05/2026 01 AM PDT 61.36 709 0 Normal
09/05/2026 02 AM PDT 61.36 709 0 Normal
09/05/2026 03 AM PDT 61.36 709 0 Normal
09/05/2026 04 AM PDT 61.36 709 0 Normal
09/05/2026 05 AM PDT 61.36 709 0 Normal
09/05/2026 06 AM PDT 61.36 709 0 Normal
09/05/2026 07 AM PDT 61.36 709 0 Normal
09/05/2026 08 AM PDT 61.36 709 0 Normal
09/05/2026 09 AM PDT 61.36 709 0 Normal
09/05/2026 10 AM PDT 61.36 709 0 Normal
09/05/2026 11 AM PDT 61.36 709 0 Normal
09/05/2026 12 PM PDT 61.36 709 0 Normal
09/05/2026 01 PM PDT 61.36 709 0 Normal
09/05/2026 02 PM PDT 61.36 709 0 Normal
09/05/2026 03 PM PDT 61.36 709 0 Normal
09/05/2026 04 PM PDT 61.36 709 0 Normal
09/05/2026 05 PM PDT 61.36 709 0 Normal
09/05/2026 06 PM PDT 61.37 716 + Normal
09/05/2026 07 PM PDT 61.37 716 0 Normal
09/05/2026 08 PM PDT 61.37 716 0 Normal
09/05/2026 09 PM PDT 61.37 716 0 Normal
09/05/2026 10 PM PDT 61.37 716 0 Normal
09/05/2026 11 PM PDT 61.37 716 0 Normal
09/06/2026 12 AM PDT 61.37 716 0 Normal
09/06/2026 01 AM PDT 61.37 716 0 Normal
09/06/2026 02 AM PDT 61.37 716 0 Normal
09/06/2026 03 AM PDT 61.37 716 0 Normal
09/06/2026 04 AM PDT 61.37 716 0 Normal
09/06/2026 05 AM PDT 61.37 716 0 Normal
09/06/2026 06 AM PDT 61.37 716 0 Normal
09/06/2026 07 AM PDT 61.37 716 0 Normal
09/06/2026 08 AM PDT 61.37 716 0 Normal
09/06/2026 09 AM PDT 61.37 716 0 Normal
09/06/2026 10 AM PDT 61.37 716 0 Normal
09/06/2026 11 AM PDT 61.37 716 0 Normal
09/06/2026 12 PM PDT 61.37 716 0 Normal
09/06/2026 01 PM PDT 61.37 716 0 Normal
09/06/2026 02 PM PDT 61.37 716 0 Normal
09/06/2026 03 PM PDT 61.37 716 0 Normal
09/06/2026 04 PM PDT 61.37 716 0 Normal
09/06/2026 05 PM PDT 61.37 716 0 Normal
09/06/2026 06 PM PDT 61.38 723 + Normal
09/06/2026 07 PM PDT 61.38 723 0 Normal
09/06/2026 08 PM PDT 61.38 723 0 Normal
09/06/2026 09 PM PDT 61.38 723 0 Normal
09/06/2026 10 PM PDT 61.38 723 0 Normal
09/06/2026 11 PM PDT 61.38 723 0 Normal
09/07/2026 12 AM PDT 61.38 723 0 Normal
09/07/2026 01 AM PDT 61.38 723 0 Normal
09/07/2026 02 AM PDT 61.38 723 0 Normal
09/07/2026 03 AM PDT 61.38 723 0 Normal
09/07/2026 04 AM PDT 61.38 723 0 Normal
09/07/2026 05 AM PDT 61.38 723 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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