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: Apr 06 2026 at 1:17 PM PDTNext Issuance: Apr 07 2026 at 9:00 AM PDT
Action/Monitor: 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:  04/06/2026 at 01:17 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/03/2026 at 04:00 PM PDT
# Maximum Observed Stage:                       43.72 Feet
# Maximum Observed Flow:                        7886 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/11/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       45.88 Feet
# Maximum Forecast Flow:                        10541 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  04/01/2026 01 PM PDT           42.71           6535                        Normal
  04/01/2026 02 PM PDT           42.71           6535         0              Normal
  04/01/2026 03 PM PDT           42.70           6521         -              Normal
  04/01/2026 04 PM PDT           42.69           6507         -              Normal
  04/01/2026 05 PM PDT           42.70           6521         +              Normal
  04/01/2026 06 PM PDT           42.69           6507         -              Normal
  04/01/2026 07 PM PDT           42.69           6507         0              Normal
  04/01/2026 08 PM PDT           42.70           6521         +              Normal
  04/01/2026 09 PM PDT           42.70           6521         0              Normal
  04/01/2026 10 PM PDT           42.68           6493         -              Normal
  04/01/2026 11 PM PDT           42.71           6535         +              Normal
  04/02/2026 12 AM PDT           42.72           6549         +              Normal
  04/02/2026 01 AM PDT           42.74           6578         +              Normal
  04/02/2026 02 AM PDT           42.75           6592         +              Normal
  04/02/2026 03 AM PDT           42.76           6606         +              Normal
  04/02/2026 04 AM PDT           42.78           6635         +              Normal
  04/02/2026 05 AM PDT           42.79           6649         +              Normal
  04/02/2026 06 AM PDT           42.80           6664         +              Normal
  04/02/2026 07 AM PDT           42.79           6649         -              Normal
  04/02/2026 08 AM PDT           42.81           6678         +              Normal
  04/02/2026 09 AM PDT           42.81           6678         0              Normal
  04/02/2026 10 AM PDT           42.84           6721         +              Normal
  04/02/2026 11 AM PDT           42.84           6721         0              Normal
  04/02/2026 12 PM PDT           42.83           6707         -              Normal
  04/02/2026 01 PM PDT           42.85           6736         +              Normal
  04/02/2026 02 PM PDT           42.88           6780         +              Normal
  04/02/2026 03 PM PDT           42.90           6809         +              Normal
  04/02/2026 04 PM PDT           42.91           6824         +              Normal
  04/02/2026 05 PM PDT           42.93           6853         +              Normal
  04/02/2026 06 PM PDT           42.92           6838         -              Normal
  04/02/2026 07 PM PDT           42.97           6912         +              Normal
  04/02/2026 08 PM PDT           43.01           6970         +              Normal
  04/02/2026 09 PM PDT           43.05           7021         +              Normal
  04/02/2026 10 PM PDT           43.08           7060         +              Normal
  04/02/2026 11 PM PDT           43.11           7099         +              Normal
  04/03/2026 12 AM PDT           43.15           7152         +              Normal
  04/03/2026 01 AM PDT           43.19           7205         +              Normal
  04/03/2026 02 AM PDT           43.24           7271         +              Normal
  04/03/2026 03 AM PDT           43.27           7311         +              Normal
  04/03/2026 04 AM PDT           43.31           7365         +              Normal
  04/03/2026 05 AM PDT           43.34           7405         +              Normal
  04/03/2026 06 AM PDT           43.39           7473         +              Normal
  04/03/2026 07 AM PDT           43.43           7528         +              Normal
  04/03/2026 08 AM PDT           43.48           7597         +              Normal
  04/03/2026 09 AM PDT           43.50           7625         +              Normal
  04/03/2026 10 AM PDT           43.57           7707         +              Normal
  04/03/2026 11 AM PDT           43.59           7731         +              Normal
  04/03/2026 12 PM PDT           43.64           7790         +              Normal
  04/03/2026 01 PM PDT           43.67           7826         +              Normal
  04/03/2026 02 PM PDT           43.69           7850         +              Normal
  04/03/2026 03 PM PDT           43.71           7874         +              Normal
  04/03/2026 04 PM PDT           43.72           7886         +              Normal
  04/03/2026 05 PM PDT           43.71           7874         -              Normal
  04/03/2026 06 PM PDT           43.70           7862         -              Normal
  04/03/2026 07 PM PDT           43.67           7826         -              Normal
  04/03/2026 08 PM PDT           43.67           7826         0              Normal
  04/03/2026 09 PM PDT           43.64           7790         -              Normal
  04/03/2026 10 PM PDT           43.62           7766         -              Normal
  04/03/2026 11 PM PDT           43.57           7707         -              Normal
  04/04/2026 12 AM PDT           43.53           7660         -              Normal
  04/04/2026 01 AM PDT           43.49           7611         -              Normal
  04/04/2026 02 AM PDT           43.46           7570         -              Normal
  04/04/2026 03 AM PDT           43.41           7501         -              Normal
  04/04/2026 04 AM PDT           43.37           7446         -              Normal
  04/04/2026 05 AM PDT           43.32           7378         -              Normal
  04/04/2026 06 AM PDT           43.29           7338         -              Normal
  04/04/2026 07 AM PDT           43.25           7284         -              Normal
  04/04/2026 08 AM PDT           43.20           7218         -              Normal
  04/04/2026 09 AM PDT           43.18           7191         -              Normal
  04/04/2026 10 AM PDT           43.15           7152         -              Normal
  04/04/2026 11 AM PDT           43.09           7073         -              Normal
  04/04/2026 12 PM PDT           43.08           7060         -              Normal
  04/04/2026 01 PM PDT           43.03           6996         -              Normal
  04/04/2026 02 PM PDT           43.03           6996         0              Normal
  04/04/2026 03 PM PDT           43.02           6983         -              Normal
  04/04/2026 04 PM PDT           43.02           6983         0              Normal
  04/04/2026 05 PM PDT           42.99           6942         -              Normal
  04/04/2026 06 PM PDT           42.99           6942         0              Normal
  04/04/2026 07 PM PDT           42.97           6912         -              Normal
  04/04/2026 08 PM PDT           42.96           6897         -              Normal
  04/04/2026 09 PM PDT           42.95           6883         -              Normal
  04/04/2026 10 PM PDT           42.94           6868         -              Normal
  04/04/2026 11 PM PDT           42.94           6868         0              Normal
  04/05/2026 12 AM PDT           42.92           6838         -              Normal
  04/05/2026 01 AM PDT           42.93           6853         +              Normal
  04/05/2026 02 AM PDT           42.92           6838         -              Normal
  04/05/2026 03 AM PDT           42.92           6838         0              Normal
  04/05/2026 04 AM PDT           42.91           6824         -              Normal
  04/05/2026 05 AM PDT           42.91           6824         0              Normal
  04/05/2026 06 AM PDT           42.90           6809         -              Normal
  04/05/2026 07 AM PDT           42.89           6794         -              Normal
  04/05/2026 08 AM PDT           42.87           6765         -              Normal
  04/05/2026 09 AM PDT           42.87           6765         0              Normal
  04/05/2026 10 AM PDT           42.85           6736         -              Normal
  04/05/2026 11 AM PDT           42.84           6721         -              Normal
  04/05/2026 12 PM PDT           42.82           6692         -              Normal
  04/05/2026 01 PM PDT           42.81           6678         -              Normal
  04/05/2026 02 PM PDT           42.80           6664         -              Normal
  04/05/2026 03 PM PDT           42.79           6649         -              Normal
  04/05/2026 04 PM PDT           42.76           6606         -              Normal
  04/05/2026 05 PM PDT           42.75           6592         -              Normal
  04/05/2026 06 PM PDT           42.74           6578         -              Normal
  04/05/2026 07 PM PDT           42.72           6549         -              Normal
  04/05/2026 08 PM PDT           42.71           6535         -              Normal
  04/05/2026 09 PM PDT           42.71           6535         0              Normal
  04/05/2026 10 PM PDT           42.69           6507         -              Normal
  04/05/2026 11 PM PDT           42.68           6493         -              Normal
  04/06/2026 12 AM PDT           42.67           6479         -              Normal
  04/06/2026 01 AM PDT           42.66           6465         -              Normal
  04/06/2026 02 AM PDT           42.66           6465         0              Normal
  04/06/2026 03 AM PDT           42.66           6465         0              Normal
  04/06/2026 04 AM PDT           42.65           6451         -              Normal
  04/06/2026 05 AM PDT           42.64           6437         -              Normal
  04/06/2026 06 AM PDT           42.61           6395         -              Normal
  04/06/2026 07 AM PDT           42.63           6423         +              Normal
  04/06/2026 08 AM PDT           42.62           6409         -              Normal
  04/06/2026 09 AM PDT           42.61           6395         -              Normal
  04/06/2026 10 AM PDT           42.61           6395         0              Normal
  04/06/2026 11 AM PDT           42.60           6381         -              Normal
  04/06/2026 12 PM PDT           42.59           6367         -              Normal
  04/06/2026 01 PM PDT           42.59           6367         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/06/2026 02 PM PDT           42.59           6367                        Normal
  04/06/2026 03 PM PDT           42.58           6354         -              Normal
  04/06/2026 04 PM PDT           42.58           6354         0              Normal
  04/06/2026 05 PM PDT           42.57           6340         -              Normal
  04/06/2026 06 PM PDT           42.57           6340         0              Normal
  04/06/2026 07 PM PDT           42.56           6326         -              Normal
  04/06/2026 08 PM PDT           42.56           6326         0              Normal
  04/06/2026 09 PM PDT           42.55           6312         -              Normal
  04/06/2026 10 PM PDT           42.55           6312         0              Normal
  04/06/2026 11 PM PDT           42.55           6312         0              Normal
  04/07/2026 12 AM PDT           42.55           6312         0              Normal
  04/07/2026 01 AM PDT           42.55           6312         0              Normal
  04/07/2026 02 AM PDT           42.55           6312         0              Normal
  04/07/2026 03 AM PDT           42.55           6312         0              Normal
  04/07/2026 04 AM PDT           42.55           6312         0              Normal
  04/07/2026 05 AM PDT           42.55           6312         0              Normal
  04/07/2026 06 AM PDT           42.56           6326         +              Normal
  04/07/2026 07 AM PDT           42.56           6326         0              Normal
  04/07/2026 08 AM PDT           42.57           6340         +              Normal
  04/07/2026 09 AM PDT           42.58           6354         +              Normal
  04/07/2026 10 AM PDT           42.59           6367         +              Normal
  04/07/2026 11 AM PDT           42.60           6381         +              Normal
  04/07/2026 12 PM PDT           42.62           6409         +              Normal
  04/07/2026 01 PM PDT           42.64           6437         +              Normal
  04/07/2026 02 PM PDT           42.65           6451         +              Normal
  04/07/2026 03 PM PDT           42.67           6479         +              Normal
  04/07/2026 04 PM PDT           42.69           6507         +              Normal
  04/07/2026 05 PM PDT           42.70           6521         +              Normal
  04/07/2026 06 PM PDT           42.72           6549         +              Normal
  04/07/2026 07 PM PDT           42.73           6563         +              Normal
  04/07/2026 08 PM PDT           42.74           6578         +              Normal
  04/07/2026 09 PM PDT           42.76           6606         +              Normal
  04/07/2026 10 PM PDT           42.77           6620         +              Normal
  04/07/2026 11 PM PDT           42.78           6635         +              Normal
  04/08/2026 12 AM PDT           42.79           6649         +              Normal
  04/08/2026 01 AM PDT           42.80           6664         +              Normal
  04/08/2026 02 AM PDT           42.81           6678         +              Normal
  04/08/2026 03 AM PDT           42.81           6678         0              Normal
  04/08/2026 04 AM PDT           42.82           6692         +              Normal
  04/08/2026 05 AM PDT           42.83           6707         +              Normal
  04/08/2026 06 AM PDT           42.83           6707         0              Normal
  04/08/2026 07 AM PDT           42.84           6721         +              Normal
  04/08/2026 08 AM PDT           42.84           6721         0              Normal
  04/08/2026 09 AM PDT           42.84           6721         0              Normal
  04/08/2026 10 AM PDT           42.85           6736         +              Normal
  04/08/2026 11 AM PDT           42.85           6736         0              Normal
  04/08/2026 12 PM PDT           42.85           6736         0              Normal
  04/08/2026 01 PM PDT           42.85           6736         0              Normal
  04/08/2026 02 PM PDT           42.86           6750         +              Normal
  04/08/2026 03 PM PDT           42.86           6750         0              Normal
  04/08/2026 04 PM PDT           42.86           6750         0              Normal
  04/08/2026 05 PM PDT           42.86           6750         0              Normal
  04/08/2026 06 PM PDT           42.86           6750         0              Normal
  04/08/2026 07 PM PDT           42.86           6750         0              Normal
  04/08/2026 08 PM PDT           42.86           6750         0              Normal
  04/08/2026 09 PM PDT           42.86           6750         0              Normal
  04/08/2026 10 PM PDT           42.87           6765         +              Normal
  04/08/2026 11 PM PDT           42.87           6765         0              Normal
  04/09/2026 12 AM PDT           42.87           6765         0              Normal
  04/09/2026 01 AM PDT           42.87           6765         0              Normal
  04/09/2026 02 AM PDT           42.87           6765         0              Normal
  04/09/2026 03 AM PDT           42.87           6765         0              Normal
  04/09/2026 04 AM PDT           42.88           6780         +              Normal
  04/09/2026 05 AM PDT           42.89           6794         +              Normal
  04/09/2026 06 AM PDT           42.92           6838         +              Normal
  04/09/2026 07 AM PDT           42.97           6912         +              Normal
  04/09/2026 08 AM PDT           43.03           6996         +              Normal
  04/09/2026 09 AM PDT           43.11           7099         +              Normal
  04/09/2026 10 AM PDT           43.21           7231         +              Normal
  04/09/2026 11 AM PDT           43.31           7365         +              Normal
  04/09/2026 12 PM PDT           43.42           7514         +              Normal
  04/09/2026 01 PM PDT           43.53           7660         +              Normal
  04/09/2026 02 PM PDT           43.67           7826         +              Normal
  04/09/2026 03 PM PDT           43.80           7983         +              Normal
  04/09/2026 04 PM PDT           43.92           8130         +              Normal
  04/09/2026 05 PM PDT           44.05           8287         +              Normal
  04/09/2026 06 PM PDT           44.17           8428         +              Normal
  04/09/2026 07 PM PDT           44.29           8571         +              Normal
  04/09/2026 08 PM PDT           44.40           8704         +              Normal
  04/09/2026 09 PM PDT           44.50           8826         +              Normal
  04/09/2026 10 PM PDT           44.60           8943         +              Normal
  04/09/2026 11 PM PDT           44.70           9062         +              Normal
  04/10/2026 12 AM PDT           44.78           9157         +              Normal
  04/10/2026 01 AM PDT           44.87           9266         +              Normal
  04/10/2026 02 AM PDT           44.94           9351         +              Normal
  04/10/2026 03 AM PDT           45.01           9437         +              Normal
  04/10/2026 04 AM PDT           45.08           9523         +              Normal
  04/10/2026 05 AM PDT           45.14           9596         +              Normal
  04/10/2026 06 AM PDT           45.20           9671         +              Normal
  04/10/2026 07 AM PDT           45.26           9745         +              Normal
  04/10/2026 08 AM PDT           45.31           9808         +              Normal
  04/10/2026 09 AM PDT           45.35           9858         +              Normal
  04/10/2026 10 AM PDT           45.40           9922         +              Normal
  04/10/2026 11 AM PDT           45.44           9972         +              Normal
  04/10/2026 12 PM PDT           45.47          10011         +              Normal
  04/10/2026 01 PM PDT           45.51          10062         +              Normal
  04/10/2026 02 PM PDT           45.54          10100         +              Normal
  04/10/2026 03 PM PDT           45.57          10138         +              Normal
  04/10/2026 04 PM PDT           45.60          10177         +              Normal
  04/10/2026 05 PM PDT           45.62          10202         +              Normal
  04/10/2026 06 PM PDT           45.65          10241         +              Normal
  04/10/2026 07 PM PDT           45.67          10267         +              Normal
  04/10/2026 08 PM PDT           45.69          10292         +              Normal
  04/10/2026 09 PM PDT           45.71          10318         +              Normal
  04/10/2026 10 PM PDT           45.73          10344         +              Normal
  04/10/2026 11 PM PDT           45.76          10383         +              Normal
  04/11/2026 12 AM PDT           45.78          10409         +              Normal
  04/11/2026 01 AM PDT           45.80          10436         +              Normal
  04/11/2026 02 AM PDT           45.82          10462         +              Normal
  04/11/2026 03 AM PDT           45.84          10488         +              Normal
  04/11/2026 04 AM PDT           45.86          10514         +              Normal
  04/11/2026 05 AM PDT           45.88          10541         +              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.