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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: | Sep 26 2026 at 7:44 AM PDT | Next Issuance: | Sep 27 2026 at 9:00 AM PDT
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| Action: 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: 09/26/2026 at 07:45 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 09/21/2026 at 07:00 AM PDT
# Maximum Observed Stage: 40.92 Feet
# Maximum Observed Flow: 4519 cfs
#
# Earliest Date & Time of Maximum Forecast: 10/01/2026 at 05:00 AM PDT
# Maximum Forecast Stage: 40.92 Feet
# Maximum Forecast Flow: 4519 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
09/21/2026 07 AM PDT 40.92 4519 Normal
09/21/2026 08 AM PDT 40.91 4509 - Normal
09/21/2026 09 AM PDT 40.91 4509 0 Normal
09/21/2026 10 AM PDT 40.91 4509 0 Normal
09/21/2026 11 AM PDT 40.91 4509 0 Normal
09/21/2026 12 PM PDT 40.90 4500 - Normal
09/21/2026 01 PM PDT 40.90 4500 0 Normal
09/21/2026 02 PM PDT 40.89 4490 - Normal
09/21/2026 03 PM PDT 40.88 4481 - Normal
09/21/2026 04 PM PDT 40.88 4481 0 Normal
09/21/2026 05 PM PDT 40.87 4472 - Normal
09/21/2026 06 PM PDT 40.86 4462 - Normal
09/21/2026 07 PM PDT 40.86 4462 0 Normal
09/21/2026 08 PM PDT 40.84 4443 - Normal
09/21/2026 09 PM PDT 40.84 4443 0 Normal
09/21/2026 10 PM PDT 40.84 4443 0 Normal
09/21/2026 11 PM PDT 40.84 4443 0 Normal
09/22/2026 12 AM PDT 40.83 4434 - Normal
09/22/2026 01 AM PDT 40.83 4434 0 Normal
09/22/2026 02 AM PDT 40.83 4434 0 Normal
09/22/2026 03 AM PDT 40.83 4434 0 Normal
09/22/2026 04 AM PDT 40.82 4425 - Normal
09/22/2026 05 AM PDT 40.83 4434 + Normal
09/22/2026 06 AM PDT 40.82 4425 - Normal
09/22/2026 07 AM PDT 40.83 4434 + Normal
09/22/2026 08 AM PDT 40.82 4425 - Normal
09/22/2026 09 AM PDT 40.81 4416 - Normal
09/22/2026 10 AM PDT 40.80 4406 - Normal
09/22/2026 11 AM PDT 40.80 4406 0 Normal
09/22/2026 12 PM PDT 40.79 4397 - Normal
09/22/2026 01 PM PDT 40.78 4388 - Normal
09/22/2026 02 PM PDT 40.78 4388 0 Normal
09/22/2026 03 PM PDT 40.77 4379 - Normal
09/22/2026 04 PM PDT 40.77 4379 0 Normal
09/22/2026 05 PM PDT 40.76 4369 - Normal
09/22/2026 06 PM PDT 40.76 4369 0 Normal
09/22/2026 07 PM PDT 40.75 4360 - Normal
09/22/2026 08 PM PDT 40.75 4360 0 Normal
09/22/2026 09 PM PDT 40.75 4360 0 Normal
09/22/2026 10 PM PDT 40.74 4351 - Normal
09/22/2026 11 PM PDT 40.74 4351 0 Normal
09/23/2026 12 AM PDT 40.73 4342 - Normal
09/23/2026 01 AM PDT 40.74 4351 + Normal
09/23/2026 02 AM PDT 40.73 4342 - Normal
09/23/2026 03 AM PDT 40.73 4342 0 Normal
09/23/2026 04 AM PDT 40.73 4342 0 Normal
09/23/2026 05 AM PDT 40.73 4342 0 Normal
09/23/2026 06 AM PDT 40.73 4342 0 Normal
09/23/2026 07 AM PDT 40.72 4333 - Normal
09/23/2026 08 AM PDT 40.72 4333 0 Normal
09/23/2026 09 AM PDT 40.72 4333 0 Normal
09/23/2026 10 AM PDT 40.72 4333 0 Normal
09/23/2026 11 AM PDT 40.72 4333 0 Normal
09/23/2026 12 PM PDT 40.72 4333 0 Normal
09/23/2026 01 PM PDT 40.71 4324 - Normal
09/23/2026 02 PM PDT 40.71 4324 0 Normal
09/23/2026 03 PM PDT 40.71 4324 0 Normal
09/23/2026 04 PM PDT 40.70 4314 - Normal
09/23/2026 05 PM PDT 40.70 4314 0 Normal
09/23/2026 06 PM PDT 40.69 4305 - Normal
09/23/2026 07 PM PDT 40.69 4305 0 Normal
09/23/2026 08 PM PDT 40.69 4305 0 Normal
09/23/2026 09 PM PDT 40.69 4305 0 Normal
09/23/2026 10 PM PDT 40.68 4296 - Normal
09/23/2026 11 PM PDT 40.69 4305 + Normal
09/24/2026 12 AM PDT 40.68 4296 - Normal
09/24/2026 01 AM PDT 40.68 4296 0 Normal
09/24/2026 02 AM PDT 40.68 4296 0 Normal
09/24/2026 03 AM PDT 40.68 4296 0 Normal
09/24/2026 04 AM PDT 40.68 4296 0 Normal
09/24/2026 05 AM PDT 40.69 4305 + Normal
09/24/2026 06 AM PDT 40.69 4305 0 Normal
09/24/2026 07 AM PDT 40.69 4305 0 Normal
09/24/2026 08 AM PDT 40.69 4305 0 Normal
09/24/2026 09 AM PDT 40.69 4305 0 Normal
09/24/2026 10 AM PDT 40.69 4305 0 Normal
09/24/2026 11 AM PDT 40.68 4296 - Normal
09/24/2026 12 PM PDT 40.67 4287 - Normal
09/24/2026 01 PM PDT 40.67 4287 0 Normal
09/24/2026 02 PM PDT 40.65 4269 - Normal
09/24/2026 03 PM PDT 40.65 4269 0 Normal
09/24/2026 04 PM PDT 40.64 4260 - Normal
09/24/2026 05 PM PDT 40.64 4260 0 Normal
09/24/2026 06 PM PDT 40.64 4260 0 Normal
09/24/2026 07 PM PDT 40.64 4260 0 Normal
09/24/2026 08 PM PDT 40.64 4260 0 Normal
09/24/2026 09 PM PDT 40.64 4260 0 Normal
09/24/2026 10 PM PDT 40.64 4260 0 Normal
09/24/2026 11 PM PDT 40.64 4260 0 Normal
09/25/2026 12 AM PDT 40.63 4251 - Normal
09/25/2026 01 AM PDT 40.65 4269 + Normal
09/25/2026 02 AM PDT 40.65 4269 0 Normal
09/25/2026 03 AM PDT 40.65 4269 0 Normal
09/25/2026 04 AM PDT 40.65 4269 0 Normal
09/25/2026 05 AM PDT 40.66 4278 + Normal
09/25/2026 06 AM PDT 40.67 4287 + Normal
09/25/2026 07 AM PDT 40.66 4278 - Normal
09/25/2026 08 AM PDT 40.67 4287 + Normal
09/25/2026 09 AM PDT 40.68 4296 + Normal
09/25/2026 10 AM PDT 40.69 4305 + Normal
09/25/2026 11 AM PDT 40.70 4314 + Normal
09/25/2026 12 PM PDT 40.70 4314 0 Normal
09/25/2026 01 PM PDT 40.71 4324 + Normal
09/25/2026 02 PM PDT 40.71 4324 0 Normal
09/25/2026 03 PM PDT 40.71 4324 0 Normal
09/25/2026 04 PM PDT 40.73 4342 + Normal
09/25/2026 05 PM PDT 40.73 4342 0 Normal
09/25/2026 06 PM PDT 40.73 4342 0 Normal
09/25/2026 07 PM PDT 40.73 4342 0 Normal
09/25/2026 08 PM PDT 40.74 4351 + Normal
09/25/2026 09 PM PDT 40.74 4351 0 Normal
09/25/2026 10 PM PDT 40.74 4351 0 Normal
09/25/2026 11 PM PDT 40.74 4351 0 Normal
09/26/2026 12 AM PDT 40.75 4360 + Normal
09/26/2026 01 AM PDT 40.74 4351 - Normal
09/26/2026 02 AM PDT 40.75 4360 + Normal
09/26/2026 03 AM PDT 40.74 4351 - Normal
09/26/2026 04 AM PDT 40.75 4360 + Normal
09/26/2026 05 AM PDT 40.76 4369 + Normal
09/26/2026 06 AM PDT 40.76 4369 0 Normal
09/26/2026 07 AM PDT 40.76 4369 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
09/26/2026 08 AM PDT 40.76 4369 Normal
09/26/2026 09 AM PDT 40.76 4369 0 Normal
09/26/2026 10 AM PDT 40.75 4360 - Normal
09/26/2026 11 AM PDT 40.75 4360 0 Normal
09/26/2026 12 PM PDT 40.75 4360 0 Normal
09/26/2026 01 PM PDT 40.74 4351 - Normal
09/26/2026 02 PM PDT 40.74 4351 0 Normal
09/26/2026 03 PM PDT 40.74 4351 0 Normal
09/26/2026 04 PM PDT 40.73 4342 - Normal
09/26/2026 05 PM PDT 40.73 4342 0 Normal
09/26/2026 06 PM PDT 40.73 4342 0 Normal
09/26/2026 07 PM PDT 40.73 4342 0 Normal
09/26/2026 08 PM PDT 40.73 4342 0 Normal
09/26/2026 09 PM PDT 40.73 4342 0 Normal
09/26/2026 10 PM PDT 40.73 4342 0 Normal
09/26/2026 11 PM PDT 40.74 4351 + Normal
09/27/2026 12 AM PDT 40.74 4351 0 Normal
09/27/2026 01 AM PDT 40.74 4351 0 Normal
09/27/2026 02 AM PDT 40.74 4351 0 Normal
09/27/2026 03 AM PDT 40.75 4360 + Normal
09/27/2026 04 AM PDT 40.75 4360 0 Normal
09/27/2026 05 AM PDT 40.76 4369 + Normal
09/27/2026 06 AM PDT 40.76 4369 0 Normal
09/27/2026 07 AM PDT 40.76 4369 0 Normal
09/27/2026 08 AM PDT 40.77 4379 + Normal
09/27/2026 09 AM PDT 40.77 4379 0 Normal
09/27/2026 10 AM PDT 40.77 4379 0 Normal
09/27/2026 11 AM PDT 40.78 4388 + Normal
09/27/2026 12 PM PDT 40.78 4388 0 Normal
09/27/2026 01 PM PDT 40.78 4388 0 Normal
09/27/2026 02 PM PDT 40.79 4397 + Normal
09/27/2026 03 PM PDT 40.79 4397 0 Normal
09/27/2026 04 PM PDT 40.79 4397 0 Normal
09/27/2026 05 PM PDT 40.79 4397 0 Normal
09/27/2026 06 PM PDT 40.80 4406 + Normal
09/27/2026 07 PM PDT 40.80 4406 0 Normal
09/27/2026 08 PM PDT 40.80 4406 0 Normal
09/27/2026 09 PM PDT 40.80 4406 0 Normal
09/27/2026 10 PM PDT 40.80 4406 0 Normal
09/27/2026 11 PM PDT 40.81 4416 + Normal
09/28/2026 12 AM PDT 40.81 4416 0 Normal
09/28/2026 01 AM PDT 40.81 4416 0 Normal
09/28/2026 02 AM PDT 40.81 4416 0 Normal
09/28/2026 03 AM PDT 40.82 4425 + Normal
09/28/2026 04 AM PDT 40.82 4425 0 Normal
09/28/2026 05 AM PDT 40.82 4425 0 Normal
09/28/2026 06 AM PDT 40.83 4434 + Normal
09/28/2026 07 AM PDT 40.83 4434 0 Normal
09/28/2026 08 AM PDT 40.83 4434 0 Normal
09/28/2026 09 AM PDT 40.83 4434 0 Normal
09/28/2026 10 AM PDT 40.84 4443 + Normal
09/28/2026 11 AM PDT 40.84 4443 0 Normal
09/28/2026 12 PM PDT 40.84 4443 0 Normal
09/28/2026 01 PM PDT 40.84 4443 0 Normal
09/28/2026 02 PM PDT 40.84 4443 0 Normal
09/28/2026 03 PM PDT 40.85 4453 + Normal
09/28/2026 04 PM PDT 40.85 4453 0 Normal
09/28/2026 05 PM PDT 40.85 4453 0 Normal
09/28/2026 06 PM PDT 40.85 4453 0 Normal
09/28/2026 07 PM PDT 40.85 4453 0 Normal
09/28/2026 08 PM PDT 40.86 4462 + Normal
09/28/2026 09 PM PDT 40.86 4462 0 Normal
09/28/2026 10 PM PDT 40.86 4462 0 Normal
09/28/2026 11 PM PDT 40.86 4462 0 Normal
09/29/2026 12 AM PDT 40.86 4462 0 Normal
09/29/2026 01 AM PDT 40.86 4462 0 Normal
09/29/2026 02 AM PDT 40.86 4462 0 Normal
09/29/2026 03 AM PDT 40.87 4472 + Normal
09/29/2026 04 AM PDT 40.87 4472 0 Normal
09/29/2026 05 AM PDT 40.87 4472 0 Normal
09/29/2026 06 AM PDT 40.87 4472 0 Normal
09/29/2026 07 AM PDT 40.87 4472 0 Normal
09/29/2026 08 AM PDT 40.87 4472 0 Normal
09/29/2026 09 AM PDT 40.87 4472 0 Normal
09/29/2026 10 AM PDT 40.88 4481 + Normal
09/29/2026 11 AM PDT 40.88 4481 0 Normal
09/29/2026 12 PM PDT 40.88 4481 0 Normal
09/29/2026 01 PM PDT 40.88 4481 0 Normal
09/29/2026 02 PM PDT 40.88 4481 0 Normal
09/29/2026 03 PM PDT 40.88 4481 0 Normal
09/29/2026 04 PM PDT 40.88 4481 0 Normal
09/29/2026 05 PM PDT 40.88 4481 0 Normal
09/29/2026 06 PM PDT 40.88 4481 0 Normal
09/29/2026 07 PM PDT 40.88 4481 0 Normal
09/29/2026 08 PM PDT 40.89 4490 + Normal
09/29/2026 09 PM PDT 40.89 4490 0 Normal
09/29/2026 10 PM PDT 40.89 4490 0 Normal
09/29/2026 11 PM PDT 40.89 4490 0 Normal
09/30/2026 12 AM PDT 40.89 4490 0 Normal
09/30/2026 01 AM PDT 40.89 4490 0 Normal
09/30/2026 02 AM PDT 40.89 4490 0 Normal
09/30/2026 03 AM PDT 40.89 4490 0 Normal
09/30/2026 04 AM PDT 40.89 4490 0 Normal
09/30/2026 05 AM PDT 40.89 4490 0 Normal
09/30/2026 06 AM PDT 40.89 4490 0 Normal
09/30/2026 07 AM PDT 40.90 4500 + Normal
09/30/2026 08 AM PDT 40.90 4500 0 Normal
09/30/2026 09 AM PDT 40.90 4500 0 Normal
09/30/2026 10 AM PDT 40.90 4500 0 Normal
09/30/2026 11 AM PDT 40.90 4500 0 Normal
09/30/2026 12 PM PDT 40.90 4500 0 Normal
09/30/2026 01 PM PDT 40.90 4500 0 Normal
09/30/2026 02 PM PDT 40.90 4500 0 Normal
09/30/2026 03 PM PDT 40.91 4509 + Normal
09/30/2026 04 PM PDT 40.91 4509 0 Normal
09/30/2026 05 PM PDT 40.91 4509 0 Normal
09/30/2026 06 PM PDT 40.91 4509 0 Normal
09/30/2026 07 PM PDT 40.91 4509 0 Normal
09/30/2026 08 PM PDT 40.91 4509 0 Normal
09/30/2026 09 PM PDT 40.91 4509 0 Normal
09/30/2026 10 PM PDT 40.91 4509 0 Normal
09/30/2026 11 PM PDT 40.91 4509 0 Normal
10/01/2026 12 AM PDT 40.91 4509 0 Normal
10/01/2026 01 AM PDT 40.91 4509 0 Normal
10/01/2026 02 AM PDT 40.91 4509 0 Normal
10/01/2026 03 AM PDT 40.91 4509 0 Normal
10/01/2026 04 AM PDT 40.91 4509 0 Normal
10/01/2026 05 AM PDT 40.92 4519 + 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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