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SACRAMENTO RIVER - COLUSA BRIDGE (CLUC1)
| Latitude: 39.21º N | Longitude: 122.00º W | Elevation: 70 Feet | | Forecast Type: Official Location |
| Location: Colusa County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento |
| Issuance Time: | Aug 07 2026 at 7:17 AM PDT | Next Issuance: | Aug 08 2026 at 9:00 AM PDT
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| Action/Monitor: 63.0 Feet | Minor Flood: 70.0 Feet | Moderate Flood: 72.0 Feet | Major Flood: 73.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Colusa Bridge (CLUC1)
#
# File Generation Time: 08/07/2026 at 07:17 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/05/2026 at 08:00 PM PDT
# Maximum Observed Stage: 44.30 Feet
# Maximum Observed Flow: 8583 cfs
#
# Earliest Date & Time of Maximum Forecast: 08/12/2026 at 02:00 AM PDT
# Maximum Forecast Stage: 44.35 Feet
# Maximum Forecast Flow: 8643 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
08/02/2026 07 AM PDT 44.26 8535 Normal
08/02/2026 08 AM PDT 44.26 8535 0 Normal
08/02/2026 09 AM PDT 44.25 8523 - Normal
08/02/2026 10 AM PDT 44.24 8511 - Normal
08/02/2026 11 AM PDT 44.23 8499 - Normal
08/02/2026 12 PM PDT 44.21 8475 - Normal
08/02/2026 01 PM PDT 44.22 8487 + Normal
08/02/2026 02 PM PDT 44.21 8475 - Normal
08/02/2026 03 PM PDT 44.21 8475 0 Normal
08/02/2026 04 PM PDT 44.21 8475 0 Normal
08/02/2026 05 PM PDT 44.22 8487 + Normal
08/02/2026 06 PM PDT 44.21 8475 - Normal
08/02/2026 07 PM PDT 44.23 8499 + Normal
08/02/2026 08 PM PDT 44.24 8511 + Normal
08/02/2026 09 PM PDT 44.26 8535 + Normal
08/02/2026 10 PM PDT 44.25 8523 - Normal
08/02/2026 11 PM PDT 44.26 8535 + Normal
08/03/2026 12 AM PDT 44.26 8535 0 Normal
08/03/2026 01 AM PDT 44.26 8535 0 Normal
08/03/2026 02 AM PDT 44.26 8535 0 Normal
08/03/2026 03 AM PDT 44.24 8511 - Normal
08/03/2026 04 AM PDT 44.26 8535 + Normal
08/03/2026 05 AM PDT 44.24 8511 - Normal
08/03/2026 06 AM PDT 44.23 8499 - Normal
08/03/2026 07 AM PDT 44.23 8499 0 Normal
08/03/2026 08 AM PDT 44.22 8487 - Normal
08/03/2026 09 AM PDT 44.21 8475 - Normal
08/03/2026 10 AM PDT 44.20 8464 - Normal
08/03/2026 11 AM PDT 44.18 8440 - Normal
08/03/2026 12 PM PDT 44.19 8452 + Normal
08/03/2026 01 PM PDT 44.19 8452 0 Normal
08/03/2026 02 PM PDT 44.18 8440 - Normal
08/03/2026 03 PM PDT 44.18 8440 0 Normal
08/03/2026 04 PM PDT 44.19 8452 + Normal
08/03/2026 05 PM PDT 44.20 8464 + Normal
08/03/2026 06 PM PDT 44.21 8475 + Normal
08/03/2026 07 PM PDT 44.22 8487 + Normal
08/03/2026 08 PM PDT 44.25 8523 + Normal
08/03/2026 09 PM PDT 44.24 8511 - Normal
08/03/2026 10 PM PDT 44.26 8535 + Normal
08/03/2026 11 PM PDT 44.26 8535 0 Normal
08/04/2026 12 AM PDT 44.27 8547 + Normal
08/04/2026 01 AM PDT 44.27 8547 0 Normal
08/04/2026 02 AM PDT 44.28 8559 + Normal
08/04/2026 03 AM PDT 44.28 8559 0 Normal
08/04/2026 04 AM PDT 44.28 8559 0 Normal
08/04/2026 05 AM PDT 44.28 8559 0 Normal
08/04/2026 06 AM PDT 44.27 8547 - Normal
08/04/2026 07 AM PDT 44.28 8559 + Normal
08/04/2026 08 AM PDT 44.28 8559 0 Normal
08/04/2026 09 AM PDT 44.27 8547 - Normal
08/04/2026 10 AM PDT 44.28 8559 + Normal
08/04/2026 11 AM PDT 44.26 8535 - Normal
08/04/2026 12 PM PDT 44.26 8535 0 Normal
08/04/2026 01 PM PDT 44.27 8547 + Normal
08/04/2026 02 PM PDT 44.25 8523 - Normal
08/04/2026 03 PM PDT 44.25 8523 0 Normal
08/04/2026 04 PM PDT 44.25 8523 0 Normal
08/04/2026 05 PM PDT 44.25 8523 0 Normal
08/04/2026 06 PM PDT 44.26 8535 + Normal
08/04/2026 07 PM PDT 44.25 8523 - Normal
08/04/2026 08 PM PDT 44.26 8535 + Normal
08/04/2026 09 PM PDT 44.26 8535 0 Normal
08/04/2026 10 PM PDT 44.26 8535 0 Normal
08/04/2026 11 PM PDT 44.24 8511 - Normal
08/05/2026 12 AM PDT 44.23 8499 - Normal
08/05/2026 01 AM PDT 44.23 8499 0 Normal
08/05/2026 02 AM PDT 44.23 8499 0 Normal
08/05/2026 03 AM PDT 44.23 8499 0 Normal
08/05/2026 04 AM PDT 44.24 8511 + Normal
08/05/2026 05 AM PDT 44.23 8499 - Normal
08/05/2026 06 AM PDT 44.26 8535 + Normal
08/05/2026 07 AM PDT 44.28 8559 + Normal
08/05/2026 08 AM PDT 44.28 8559 0 Normal
08/05/2026 09 AM PDT 44.28 8559 0 Normal
08/05/2026 10 AM PDT 44.29 8571 + Normal
08/05/2026 11 AM PDT 44.29 8571 0 Normal
08/05/2026 12 PM PDT 44.30 8583 + Normal
08/05/2026 01 PM PDT 44.28 8559 - Normal
08/05/2026 02 PM PDT 44.30 8583 + Normal
08/05/2026 03 PM PDT 44.29 8571 - Normal
08/05/2026 04 PM PDT 44.29 8571 0 Normal
08/05/2026 05 PM PDT 44.29 8571 0 Normal
08/05/2026 06 PM PDT 44.29 8571 0 Normal
08/05/2026 07 PM PDT 44.29 8571 0 Normal
08/05/2026 08 PM PDT 44.30 8583 + Normal
08/05/2026 09 PM PDT 44.28 8559 - Normal
08/05/2026 10 PM PDT 44.28 8559 0 Normal
08/05/2026 11 PM PDT 44.27 8547 - Normal
08/06/2026 12 AM PDT 44.26 8535 - Normal
08/06/2026 01 AM PDT 44.26 8535 0 Normal
08/06/2026 02 AM PDT 44.25 8523 - Normal
08/06/2026 03 AM PDT 44.25 8523 0 Normal
08/06/2026 04 AM PDT 44.24 8511 - Normal
08/06/2026 05 AM PDT 44.22 8487 - Normal
08/06/2026 06 AM PDT 44.23 8499 + Normal
08/06/2026 07 AM PDT 44.24 8511 + Normal
08/06/2026 08 AM PDT 44.23 8499 - Normal
08/06/2026 09 AM PDT 44.23 8499 0 Normal
08/06/2026 10 AM PDT 44.24 8511 + Normal
08/06/2026 11 AM PDT 44.22 8487 - Normal
08/06/2026 12 PM PDT 44.22 8487 0 Normal
08/06/2026 01 PM PDT 44.21 8475 - Normal
08/06/2026 02 PM PDT 44.20 8464 - Normal
08/06/2026 03 PM PDT 44.19 8452 - Normal
08/06/2026 04 PM PDT 44.19 8452 0 Normal
08/06/2026 05 PM PDT 44.18 8440 - Normal
08/06/2026 06 PM PDT 44.17 8428 - Normal
08/06/2026 07 PM PDT 44.19 8452 + Normal
08/06/2026 08 PM PDT 44.18 8440 - Normal
08/06/2026 09 PM PDT 44.17 8428 - Normal
08/06/2026 10 PM PDT 44.16 8416 - Normal
08/06/2026 11 PM PDT 44.16 8416 0 Normal
08/07/2026 12 AM PDT 44.15 8404 - Normal
08/07/2026 01 AM PDT 44.14 8393 - Normal
08/07/2026 02 AM PDT 44.14 8393 0 Normal
08/07/2026 03 AM PDT 44.14 8393 0 Normal
08/07/2026 04 AM PDT 44.14 8393 0 Normal
08/07/2026 05 AM PDT 44.14 8393 0 Normal
08/07/2026 06 AM PDT 44.14 8393 0 Normal
08/07/2026 07 AM PDT 44.15 8404 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
08/07/2026 08 AM PDT 44.15 8404 Normal
08/07/2026 09 AM PDT 44.15 8404 0 Normal
08/07/2026 10 AM PDT 44.16 8416 + Normal
08/07/2026 11 AM PDT 44.16 8416 0 Normal
08/07/2026 12 PM PDT 44.16 8416 0 Normal
08/07/2026 01 PM PDT 44.16 8416 0 Normal
08/07/2026 02 PM PDT 44.16 8416 0 Normal
08/07/2026 03 PM PDT 44.16 8416 0 Normal
08/07/2026 04 PM PDT 44.16 8416 0 Normal
08/07/2026 05 PM PDT 44.16 8416 0 Normal
08/07/2026 06 PM PDT 44.16 8416 0 Normal
08/07/2026 07 PM PDT 44.16 8416 0 Normal
08/07/2026 08 PM PDT 44.16 8416 0 Normal
08/07/2026 09 PM PDT 44.16 8416 0 Normal
08/07/2026 10 PM PDT 44.16 8416 0 Normal
08/07/2026 11 PM PDT 44.17 8428 + Normal
08/08/2026 12 AM PDT 44.17 8428 0 Normal
08/08/2026 01 AM PDT 44.17 8428 0 Normal
08/08/2026 02 AM PDT 44.18 8440 + Normal
08/08/2026 03 AM PDT 44.18 8440 0 Normal
08/08/2026 04 AM PDT 44.19 8452 + Normal
08/08/2026 05 AM PDT 44.20 8464 + Normal
08/08/2026 06 AM PDT 44.20 8464 0 Normal
08/08/2026 07 AM PDT 44.21 8475 + Normal
08/08/2026 08 AM PDT 44.22 8487 + Normal
08/08/2026 09 AM PDT 44.22 8487 0 Normal
08/08/2026 10 AM PDT 44.23 8499 + Normal
08/08/2026 11 AM PDT 44.23 8499 0 Normal
08/08/2026 12 PM PDT 44.24 8511 + Normal
08/08/2026 01 PM PDT 44.25 8523 + Normal
08/08/2026 02 PM PDT 44.25 8523 0 Normal
08/08/2026 03 PM PDT 44.26 8535 + Normal
08/08/2026 04 PM PDT 44.26 8535 0 Normal
08/08/2026 05 PM PDT 44.27 8547 + Normal
08/08/2026 06 PM PDT 44.27 8547 0 Normal
08/08/2026 07 PM PDT 44.27 8547 0 Normal
08/08/2026 08 PM PDT 44.28 8559 + Normal
08/08/2026 09 PM PDT 44.28 8559 0 Normal
08/08/2026 10 PM PDT 44.28 8559 0 Normal
08/08/2026 11 PM PDT 44.29 8571 + Normal
08/09/2026 12 AM PDT 44.29 8571 0 Normal
08/09/2026 01 AM PDT 44.29 8571 0 Normal
08/09/2026 02 AM PDT 44.30 8583 + Normal
08/09/2026 03 AM PDT 44.30 8583 0 Normal
08/09/2026 04 AM PDT 44.30 8583 0 Normal
08/09/2026 05 AM PDT 44.30 8583 0 Normal
08/09/2026 06 AM PDT 44.30 8583 0 Normal
08/09/2026 07 AM PDT 44.31 8595 + Normal
08/09/2026 08 AM PDT 44.31 8595 0 Normal
08/09/2026 09 AM PDT 44.31 8595 0 Normal
08/09/2026 10 AM PDT 44.31 8595 0 Normal
08/09/2026 11 AM PDT 44.31 8595 0 Normal
08/09/2026 12 PM PDT 44.31 8595 0 Normal
08/09/2026 01 PM PDT 44.32 8607 + Normal
08/09/2026 02 PM PDT 44.32 8607 0 Normal
08/09/2026 03 PM PDT 44.32 8607 0 Normal
08/09/2026 04 PM PDT 44.32 8607 0 Normal
08/09/2026 05 PM PDT 44.32 8607 0 Normal
08/09/2026 06 PM PDT 44.32 8607 0 Normal
08/09/2026 07 PM PDT 44.32 8607 0 Normal
08/09/2026 08 PM PDT 44.32 8607 0 Normal
08/09/2026 09 PM PDT 44.32 8607 0 Normal
08/09/2026 10 PM PDT 44.32 8607 0 Normal
08/09/2026 11 PM PDT 44.33 8619 + Normal
08/10/2026 12 AM PDT 44.33 8619 0 Normal
08/10/2026 01 AM PDT 44.33 8619 0 Normal
08/10/2026 02 AM PDT 44.33 8619 0 Normal
08/10/2026 03 AM PDT 44.33 8619 0 Normal
08/10/2026 04 AM PDT 44.33 8619 0 Normal
08/10/2026 05 AM PDT 44.33 8619 0 Normal
08/10/2026 06 AM PDT 44.33 8619 0 Normal
08/10/2026 07 AM PDT 44.33 8619 0 Normal
08/10/2026 08 AM PDT 44.33 8619 0 Normal
08/10/2026 09 AM PDT 44.33 8619 0 Normal
08/10/2026 10 AM PDT 44.33 8619 0 Normal
08/10/2026 11 AM PDT 44.33 8619 0 Normal
08/10/2026 12 PM PDT 44.33 8619 0 Normal
08/10/2026 01 PM PDT 44.33 8619 0 Normal
08/10/2026 02 PM PDT 44.33 8619 0 Normal
08/10/2026 03 PM PDT 44.33 8619 0 Normal
08/10/2026 04 PM PDT 44.34 8631 + Normal
08/10/2026 05 PM PDT 44.34 8631 0 Normal
08/10/2026 06 PM PDT 44.34 8631 0 Normal
08/10/2026 07 PM PDT 44.34 8631 0 Normal
08/10/2026 08 PM PDT 44.34 8631 0 Normal
08/10/2026 09 PM PDT 44.34 8631 0 Normal
08/10/2026 10 PM PDT 44.34 8631 0 Normal
08/10/2026 11 PM PDT 44.34 8631 0 Normal
08/11/2026 12 AM PDT 44.34 8631 0 Normal
08/11/2026 01 AM PDT 44.34 8631 0 Normal
08/11/2026 02 AM PDT 44.34 8631 0 Normal
08/11/2026 03 AM PDT 44.34 8631 0 Normal
08/11/2026 04 AM PDT 44.34 8631 0 Normal
08/11/2026 05 AM PDT 44.34 8631 0 Normal
08/11/2026 06 AM PDT 44.34 8631 0 Normal
08/11/2026 07 AM PDT 44.34 8631 0 Normal
08/11/2026 08 AM PDT 44.34 8631 0 Normal
08/11/2026 09 AM PDT 44.34 8631 0 Normal
08/11/2026 10 AM PDT 44.34 8631 0 Normal
08/11/2026 11 AM PDT 44.34 8631 0 Normal
08/11/2026 12 PM PDT 44.34 8631 0 Normal
08/11/2026 01 PM PDT 44.34 8631 0 Normal
08/11/2026 02 PM PDT 44.34 8631 0 Normal
08/11/2026 03 PM PDT 44.34 8631 0 Normal
08/11/2026 04 PM PDT 44.34 8631 0 Normal
08/11/2026 05 PM PDT 44.34 8631 0 Normal
08/11/2026 06 PM PDT 44.34 8631 0 Normal
08/11/2026 07 PM PDT 44.34 8631 0 Normal
08/11/2026 08 PM PDT 44.34 8631 0 Normal
08/11/2026 09 PM PDT 44.34 8631 0 Normal
08/11/2026 10 PM PDT 44.34 8631 0 Normal
08/11/2026 11 PM PDT 44.34 8631 0 Normal
08/12/2026 12 AM PDT 44.34 8631 0 Normal
08/12/2026 01 AM PDT 44.34 8631 0 Normal
08/12/2026 02 AM PDT 44.35 8643 + Normal
08/12/2026 03 AM PDT 44.35 8643 0 Normal
08/12/2026 04 AM PDT 44.35 8643 0 Normal
08/12/2026 05 AM PDT 44.35 8643 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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