SACRAMENTO RIVER - COLUSA BRIDGE (CLUC1)
Latitude: 39.21º NLongitude: 122.00º WElevation: 70 FeetForecast Type: Official Location
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Oct 03 2026 at 7:09 AM PDTNext Issuance: Oct 04 2026 at 9:00 AM PDT
Action: 63.0 FeetMinor Flood: 70.0 FeetModerate Flood: 72.0 FeetMajor Flood: 73.0 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Colusa Bridge (CLUC1)
#
# File Generation Time:  10/03/2026 at 07:09 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/29/2026 at 05:00 PM PDT
# Maximum Observed Stage:                       40.88 Feet
# Maximum Observed Flow:                        4481 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/08/2026 at 04:00 AM PDT
# Maximum Forecast Stage:                       40.58 Feet
# Maximum Forecast Flow:                        4207 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/28/2026 07 AM PDT           40.76           4369                        Normal
  09/28/2026 08 AM PDT           40.76           4369         0              Normal
  09/28/2026 09 AM PDT           40.76           4369         0              Normal
  09/28/2026 10 AM PDT           40.76           4369         0              Normal
  09/28/2026 11 AM PDT           40.76           4369         0              Normal
  09/28/2026 12 PM PDT           40.76           4369         0              Normal
  09/28/2026 01 PM PDT           40.76           4369         0              Normal
  09/28/2026 02 PM PDT           40.77           4379         +              Normal
  09/28/2026 03 PM PDT           40.77           4379         0              Normal
  09/28/2026 04 PM PDT           40.77           4379         0              Normal
  09/28/2026 05 PM PDT           40.78           4388         +              Normal
  09/28/2026 06 PM PDT           40.79           4397         +              Normal
  09/28/2026 07 PM PDT           40.79           4397         0              Normal
  09/28/2026 08 PM PDT           40.81           4416         +              Normal
  09/28/2026 09 PM PDT           40.82           4425         +              Normal
  09/28/2026 10 PM PDT           40.84           4443         +              Normal
  09/28/2026 11 PM PDT           40.84           4443         0              Normal
  09/29/2026 12 AM PDT           40.85           4453         +              Normal
  09/29/2026 01 AM PDT           40.85           4453         0              Normal
  09/29/2026 02 AM PDT           40.86           4462         +              Normal
  09/29/2026 03 AM PDT           40.86           4462         0              Normal
  09/29/2026 04 AM PDT           40.87           4472         +              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           40.88           4481         +              Normal
  09/29/2026 09 AM PDT           40.88           4481         0              Normal
  09/29/2026 10 AM PDT           40.87           4472         -              Normal
  09/29/2026 11 AM PDT           40.86           4462         -              Normal
  09/29/2026 12 PM PDT           40.87           4472         +              Normal
  09/29/2026 01 PM PDT           40.86           4462         -              Normal
  09/29/2026 02 PM PDT           40.88           4481         +              Normal
  09/29/2026 03 PM PDT           40.87           4472         -              Normal
  09/29/2026 04 PM PDT           40.87           4472         0              Normal
  09/29/2026 05 PM PDT           40.88           4481         +              Normal
  09/29/2026 06 PM PDT           40.87           4472         -              Normal
  09/29/2026 07 PM PDT           40.87           4472         0              Normal
  09/29/2026 08 PM PDT           40.87           4472         0              Normal
  09/29/2026 09 PM PDT           40.87           4472         0              Normal
  09/29/2026 10 PM PDT           40.87           4472         0              Normal
  09/29/2026 11 PM PDT           40.86           4462         -              Normal
  09/30/2026 12 AM PDT           40.86           4462         0              Normal
  09/30/2026 01 AM PDT           40.85           4453         -              Normal
  09/30/2026 02 AM PDT           40.84           4443         -              Normal
  09/30/2026 03 AM PDT           40.83           4434         -              Normal
  09/30/2026 04 AM PDT           40.83           4434         0              Normal
  09/30/2026 05 AM PDT           40.82           4425         -              Normal
  09/30/2026 06 AM PDT           40.81           4416         -              Normal
  09/30/2026 07 AM PDT           40.81           4416         0              Normal
  09/30/2026 08 AM PDT           40.81           4416         0              Normal
  09/30/2026 09 AM PDT           40.80           4406         -              Normal
  09/30/2026 10 AM PDT           40.80           4406         0              Normal
  09/30/2026 11 AM PDT           40.80           4406         0              Normal
  09/30/2026 12 PM PDT           40.79           4397         -              Normal
  09/30/2026 01 PM PDT           40.79           4397         0              Normal
  09/30/2026 02 PM PDT           40.78           4388         -              Normal
  09/30/2026 03 PM PDT           40.78           4388         0              Normal
  09/30/2026 04 PM PDT           40.78           4388         0              Normal
  09/30/2026 05 PM PDT           40.78           4388         0              Normal
  09/30/2026 06 PM PDT           40.78           4388         0              Normal
  09/30/2026 07 PM PDT           40.78           4388         0              Normal
  09/30/2026 08 PM PDT           40.78           4388         0              Normal
  09/30/2026 09 PM PDT           40.78           4388         0              Normal
  09/30/2026 10 PM PDT           40.78           4388         0              Normal
  09/30/2026 11 PM PDT           40.78           4388         0              Normal
  10/01/2026 12 AM PDT           40.78           4388         0              Normal
  10/01/2026 01 AM PDT           40.78           4388         0              Normal
  10/01/2026 02 AM PDT           40.78           4388         0              Normal
  10/01/2026 03 AM PDT           40.79           4397         +              Normal
  10/01/2026 04 AM PDT           40.79           4397         0              Normal
  10/01/2026 05 AM PDT           40.79           4397         0              Normal
  10/01/2026 06 AM PDT           40.80           4406         +              Normal
  10/01/2026 07 AM PDT           40.80           4406         0              Normal
  10/01/2026 08 AM PDT           40.79           4397         -              Normal
  10/01/2026 09 AM PDT           40.80           4406         +              Normal
  10/01/2026 10 AM PDT           40.79           4397         -              Normal
  10/01/2026 11 AM PDT           40.78           4388         -              Normal
  10/01/2026 12 PM PDT           40.77           4379         -              Normal
  10/01/2026 01 PM PDT           40.77           4379         0              Normal
  10/01/2026 02 PM PDT           40.75           4360         -              Normal
  10/01/2026 03 PM PDT           40.75           4360         0              Normal
  10/01/2026 04 PM PDT           40.74           4351         -              Normal
  10/01/2026 05 PM PDT           40.73           4342         -              Normal
  10/01/2026 06 PM PDT           40.71           4324         -              Normal
  10/01/2026 07 PM PDT           40.71           4324         0              Normal
  10/01/2026 08 PM PDT           40.71           4324         0              Normal
  10/01/2026 09 PM PDT           40.71           4324         0              Normal
  10/01/2026 10 PM PDT           40.71           4324         0              Normal
  10/01/2026 11 PM PDT           40.72           4333         +              Normal
  10/02/2026 12 AM PDT           40.72           4333         0              Normal
  10/02/2026 01 AM PDT           40.72           4333         0              Normal
  10/02/2026 02 AM PDT           40.72           4333         0              Normal
  10/02/2026 03 AM PDT           40.71           4324         -              Normal
  10/02/2026 04 AM PDT           40.70           4314         -              Normal
  10/02/2026 05 AM PDT           40.68           4296         -              Normal
  10/02/2026 06 AM PDT           40.67           4287         -              Normal
  10/02/2026 07 AM PDT           40.65           4269         -              Normal
  10/02/2026 08 AM PDT           40.63           4251         -              Normal
  10/02/2026 09 AM PDT           40.61           4233         -              Normal
  10/02/2026 10 AM PDT           40.60           4224         -              Normal
  10/02/2026 11 AM PDT           40.59           4215         -              Normal
  10/02/2026 12 PM PDT           40.58           4207         -              Normal
  10/02/2026 01 PM PDT           40.57           4198         -              Normal
  10/02/2026 02 PM PDT           40.56           4189         -              Normal
  10/02/2026 03 PM PDT           40.55           4180         -              Normal
  10/02/2026 04 PM PDT           40.54           4171         -              Normal
  10/02/2026 05 PM PDT           40.54           4171         0              Normal
  10/02/2026 06 PM PDT           40.54           4171         0              Normal
  10/02/2026 07 PM PDT           40.53           4162         -              Normal
  10/02/2026 08 PM PDT           40.53           4162         0              Normal
  10/02/2026 09 PM PDT           40.53           4162         0              Normal
  10/02/2026 10 PM PDT           40.52           4154         -              Normal
  10/02/2026 11 PM PDT           40.53           4162         +              Normal
  10/03/2026 12 AM PDT           40.52           4154         -              Normal
  10/03/2026 01 AM PDT           40.52           4154         0              Normal
  10/03/2026 02 AM PDT           40.51           4145         -              Normal
  10/03/2026 03 AM PDT           40.51           4145         0              Normal
  10/03/2026 04 AM PDT           40.51           4145         0              Normal
  10/03/2026 05 AM PDT           40.50           4136         -              Normal
  10/03/2026 06 AM PDT           40.50           4136         0              Normal
  10/03/2026 07 AM PDT           40.49           4127         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/03/2026 08 AM PDT           40.49           4127                        Normal
  10/03/2026 09 AM PDT           40.49           4127         0              Normal
  10/03/2026 10 AM PDT           40.49           4127         0              Normal
  10/03/2026 11 AM PDT           40.49           4127         0              Normal
  10/03/2026 12 PM PDT           40.48           4117         -              Normal
  10/03/2026 01 PM PDT           40.48           4117         0              Normal
  10/03/2026 02 PM PDT           40.48           4117         0              Normal
  10/03/2026 03 PM PDT           40.48           4117         0              Normal
  10/03/2026 04 PM PDT           40.48           4117         0              Normal
  10/03/2026 05 PM PDT           40.48           4117         0              Normal
  10/03/2026 06 PM PDT           40.49           4127         +              Normal
  10/03/2026 07 PM PDT           40.49           4127         0              Normal
  10/03/2026 08 PM PDT           40.49           4127         0              Normal
  10/03/2026 09 PM PDT           40.49           4127         0              Normal
  10/03/2026 10 PM PDT           40.49           4127         0              Normal
  10/03/2026 11 PM PDT           40.49           4127         0              Normal
  10/04/2026 12 AM PDT           40.49           4127         0              Normal
  10/04/2026 01 AM PDT           40.50           4136         +              Normal
  10/04/2026 02 AM PDT           40.50           4136         0              Normal
  10/04/2026 03 AM PDT           40.50           4136         0              Normal
  10/04/2026 04 AM PDT           40.50           4136         0              Normal
  10/04/2026 05 AM PDT           40.51           4145         +              Normal
  10/04/2026 06 AM PDT           40.51           4145         0              Normal
  10/04/2026 07 AM PDT           40.51           4145         0              Normal
  10/04/2026 08 AM PDT           40.51           4145         0              Normal
  10/04/2026 09 AM PDT           40.51           4145         0              Normal
  10/04/2026 10 AM PDT           40.51           4145         0              Normal
  10/04/2026 11 AM PDT           40.51           4145         0              Normal
  10/04/2026 12 PM PDT           40.51           4145         0              Normal
  10/04/2026 01 PM PDT           40.51           4145         0              Normal
  10/04/2026 02 PM PDT           40.51           4145         0              Normal
  10/04/2026 03 PM PDT           40.51           4145         0              Normal
  10/04/2026 04 PM PDT           40.51           4145         0              Normal
  10/04/2026 05 PM PDT           40.51           4145         0              Normal
  10/04/2026 06 PM PDT           40.51           4145         0              Normal
  10/04/2026 07 PM PDT           40.51           4145         0              Normal
  10/04/2026 08 PM PDT           40.51           4145         0              Normal
  10/04/2026 09 PM PDT           40.51           4145         0              Normal
  10/04/2026 10 PM PDT           40.51           4145         0              Normal
  10/04/2026 11 PM PDT           40.51           4145         0              Normal
  10/05/2026 12 AM PDT           40.51           4145         0              Normal
  10/05/2026 01 AM PDT           40.51           4145         0              Normal
  10/05/2026 02 AM PDT           40.51           4145         0              Normal
  10/05/2026 03 AM PDT           40.51           4145         0              Normal
  10/05/2026 04 AM PDT           40.51           4145         0              Normal
  10/05/2026 05 AM PDT           40.51           4145         0              Normal
  10/05/2026 06 AM PDT           40.51           4145         0              Normal
  10/05/2026 07 AM PDT           40.51           4145         0              Normal
  10/05/2026 08 AM PDT           40.51           4145         0              Normal
  10/05/2026 09 AM PDT           40.51           4145         0              Normal
  10/05/2026 10 AM PDT           40.51           4145         0              Normal
  10/05/2026 11 AM PDT           40.51           4145         0              Normal
  10/05/2026 12 PM PDT           40.51           4145         0              Normal
  10/05/2026 01 PM PDT           40.51           4145         0              Normal
  10/05/2026 02 PM PDT           40.51           4145         0              Normal
  10/05/2026 03 PM PDT           40.51           4145         0              Normal
  10/05/2026 04 PM PDT           40.52           4154         +              Normal
  10/05/2026 05 PM PDT           40.52           4154         0              Normal
  10/05/2026 06 PM PDT           40.52           4154         0              Normal
  10/05/2026 07 PM PDT           40.52           4154         0              Normal
  10/05/2026 08 PM PDT           40.52           4154         0              Normal
  10/05/2026 09 PM PDT           40.52           4154         0              Normal
  10/05/2026 10 PM PDT           40.52           4154         0              Normal
  10/05/2026 11 PM PDT           40.52           4154         0              Normal
  10/06/2026 12 AM PDT           40.52           4154         0              Normal
  10/06/2026 01 AM PDT           40.52           4154         0              Normal
  10/06/2026 02 AM PDT           40.52           4154         0              Normal
  10/06/2026 03 AM PDT           40.52           4154         0              Normal
  10/06/2026 04 AM PDT           40.52           4154         0              Normal
  10/06/2026 05 AM PDT           40.52           4154         0              Normal
  10/06/2026 06 AM PDT           40.53           4162         +              Normal
  10/06/2026 07 AM PDT           40.53           4162         0              Normal
  10/06/2026 08 AM PDT           40.53           4162         0              Normal
  10/06/2026 09 AM PDT           40.53           4162         0              Normal
  10/06/2026 10 AM PDT           40.53           4162         0              Normal
  10/06/2026 11 AM PDT           40.53           4162         0              Normal
  10/06/2026 12 PM PDT           40.53           4162         0              Normal
  10/06/2026 01 PM PDT           40.53           4162         0              Normal
  10/06/2026 02 PM PDT           40.54           4171         +              Normal
  10/06/2026 03 PM PDT           40.54           4171         0              Normal
  10/06/2026 04 PM PDT           40.54           4171         0              Normal
  10/06/2026 05 PM PDT           40.54           4171         0              Normal
  10/06/2026 06 PM PDT           40.54           4171         0              Normal
  10/06/2026 07 PM PDT           40.54           4171         0              Normal
  10/06/2026 08 PM PDT           40.54           4171         0              Normal
  10/06/2026 09 PM PDT           40.54           4171         0              Normal
  10/06/2026 10 PM PDT           40.54           4171         0              Normal
  10/06/2026 11 PM PDT           40.55           4180         +              Normal
  10/07/2026 12 AM PDT           40.55           4180         0              Normal
  10/07/2026 01 AM PDT           40.55           4180         0              Normal
  10/07/2026 02 AM PDT           40.55           4180         0              Normal
  10/07/2026 03 AM PDT           40.55           4180         0              Normal
  10/07/2026 04 AM PDT           40.55           4180         0              Normal
  10/07/2026 05 AM PDT           40.55           4180         0              Normal
  10/07/2026 06 AM PDT           40.55           4180         0              Normal
  10/07/2026 07 AM PDT           40.55           4180         0              Normal
  10/07/2026 08 AM PDT           40.55           4180         0              Normal
  10/07/2026 09 AM PDT           40.55           4180         0              Normal
  10/07/2026 10 AM PDT           40.56           4189         +              Normal
  10/07/2026 11 AM PDT           40.56           4189         0              Normal
  10/07/2026 12 PM PDT           40.56           4189         0              Normal
  10/07/2026 01 PM PDT           40.56           4189         0              Normal
  10/07/2026 02 PM PDT           40.56           4189         0              Normal
  10/07/2026 03 PM PDT           40.56           4189         0              Normal
  10/07/2026 04 PM PDT           40.56           4189         0              Normal
  10/07/2026 05 PM PDT           40.56           4189         0              Normal
  10/07/2026 06 PM PDT           40.57           4198         +              Normal
  10/07/2026 07 PM PDT           40.57           4198         0              Normal
  10/07/2026 08 PM PDT           40.57           4198         0              Normal
  10/07/2026 09 PM PDT           40.57           4198         0              Normal
  10/07/2026 10 PM PDT           40.57           4198         0              Normal
  10/07/2026 11 PM PDT           40.57           4198         0              Normal
  10/08/2026 12 AM PDT           40.57           4198         0              Normal
  10/08/2026 01 AM PDT           40.57           4198         0              Normal
  10/08/2026 02 AM PDT           40.57           4198         0              Normal
  10/08/2026 03 AM PDT           40.57           4198         0              Normal
  10/08/2026 04 AM PDT           40.58           4207         +              Normal
  10/08/2026 05 AM PDT           40.58           4207         0              Normal
  10/08/2026 06 AM PDT           40.58           4207         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.