SACRAMENTO RIVER - COLUSA BRIDGE (CLUC1)
Latitude: 39.21º NLongitude: 122.00º WElevation: 70 Feet
Location: Colusa County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jan 23 2026 at 1:11 PM PSTNext Issuance: Jan 24 2026 at 9:00 AM PST
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:  01/23/2026 at 01:11 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/18/2026 at 02:00 PM PST
# Maximum Observed Stage:                       54.98 Feet
# Maximum Observed Flow:                        22369 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/23/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       53.56 Feet
# Maximum Forecast Flow:                        20190 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/18/2026 01 PM PST           54.98          22369                        Normal
  01/18/2026 02 PM PST           54.98          22369         0              Normal
  01/18/2026 03 PM PST           54.96          22338         -              Normal
  01/18/2026 04 PM PST           54.95          22322         -              Normal
  01/18/2026 05 PM PST           54.93          22291         -              Normal
  01/18/2026 06 PM PST           54.91          22260         -              Normal
  01/18/2026 07 PM PST           54.90          22244         -              Normal
  01/18/2026 08 PM PST           54.89          22229         -              Normal
  01/18/2026 09 PM PST           54.89          22229         0              Normal
  01/18/2026 10 PM PST           54.87          22198         -              Normal
  01/18/2026 11 PM PST           54.86          22182         -              Normal
  01/19/2026 12 AM PST           54.86          22182         0              Normal
  01/19/2026 01 AM PST           54.85          22167         -              Normal
  01/19/2026 02 AM PST           54.83          22136         -              Normal
  01/19/2026 03 AM PST           54.82          22121         -              Normal
  01/19/2026 04 AM PST           54.82          22121         0              Normal
  01/19/2026 05 AM PST           54.81          22105         -              Normal
  01/19/2026 06 AM PST           54.80          22090         -              Normal
  01/19/2026 07 AM PST           54.79          22074         -              Normal
  01/19/2026 08 AM PST           54.79          22074         0              Normal
  01/19/2026 09 AM PST           54.79          22074         0              Normal
  01/19/2026 10 AM PST           54.77          22043         -              Normal
  01/19/2026 11 AM PST           54.76          22028         -              Normal
  01/19/2026 12 PM PST           54.75          22013         -              Normal
  01/19/2026 01 PM PST           54.73          21982         -              Normal
  01/19/2026 02 PM PST           54.74          21997         +              Normal
  01/19/2026 03 PM PST           54.73          21982         -              Normal
  01/19/2026 04 PM PST           54.73          21982         0              Normal
  01/19/2026 05 PM PST           54.71          21951         -              Normal
  01/19/2026 06 PM PST           54.70          21936         -              Normal
  01/19/2026 07 PM PST           54.69          21920         -              Normal
  01/19/2026 08 PM PST           54.69          21920         0              Normal
  01/19/2026 09 PM PST           54.67          21890         -              Normal
  01/19/2026 10 PM PST           54.66          21874         -              Normal
  01/19/2026 11 PM PST           54.66          21874         0              Normal
  01/20/2026 12 AM PST           54.64          21844         -              Normal
  01/20/2026 01 AM PST           54.64          21844         0              Normal
  01/20/2026 02 AM PST           54.64          21844         0              Normal
  01/20/2026 03 AM PST           54.63          21828         -              Normal
  01/20/2026 04 AM PST           54.62          21813         -              Normal
  01/20/2026 05 AM PST           54.63          21828         +              Normal
  01/20/2026 06 AM PST           54.61          21798         -              Normal
  01/20/2026 07 AM PST           54.60          21782         -              Normal
  01/20/2026 08 AM PST           54.60          21782         0              Normal
  01/20/2026 09 AM PST           54.59          21767         -              Normal
  01/20/2026 10 AM PST           54.58          21752         -              Normal
  01/20/2026 11 AM PST           54.58          21752         0              Normal
  01/20/2026 12 PM PST           54.56          21721         -              Normal
  01/20/2026 01 PM PST           54.57          21737         +              Normal
  01/20/2026 02 PM PST           54.54          21691         -              Normal
  01/20/2026 03 PM PST           54.54          21691         0              Normal
  01/20/2026 04 PM PST           54.53          21676         -              Normal
  01/20/2026 05 PM PST           54.53          21676         0              Normal
  01/20/2026 06 PM PST           54.51          21645         -              Normal
  01/20/2026 07 PM PST           54.51          21645         0              Normal
  01/20/2026 08 PM PST           54.49          21614         -              Normal
  01/20/2026 09 PM PST           54.48          21599         -              Normal
  01/20/2026 10 PM PST           54.48          21599         0              Normal
  01/20/2026 11 PM PST           54.47          21583         -              Normal
  01/21/2026 12 AM PST           54.46          21568         -              Normal
  01/21/2026 01 AM PST           54.46          21568         0              Normal
  01/21/2026 02 AM PST           54.45          21552         -              Normal
  01/21/2026 03 AM PST           54.45          21552         0              Normal
  01/21/2026 04 AM PST           54.44          21536         -              Normal
  01/21/2026 05 AM PST           54.43          21521         -              Normal
  01/21/2026 06 AM PST           54.42          21505         -              Normal
  01/21/2026 07 AM PST           54.40          21474         -              Normal
  01/21/2026 08 AM PST           54.40          21474         0              Normal
  01/21/2026 09 AM PST           54.39          21459         -              Normal
  01/21/2026 10 AM PST           54.38          21443         -              Normal
  01/21/2026 11 AM PST           54.37          21428         -              Normal
  01/21/2026 12 PM PST           54.36          21412         -              Normal
  01/21/2026 01 PM PST           54.34          21381         -              Normal
  01/21/2026 02 PM PST           54.33          21366         -              Normal
  01/21/2026 03 PM PST           54.32          21350         -              Normal
  01/21/2026 04 PM PST           54.29          21304         -              Normal
  01/21/2026 05 PM PST           54.29          21304         0              Normal
  01/21/2026 06 PM PST           54.29          21304         0              Normal
  01/21/2026 07 PM PST           54.27          21273         -              Normal
  01/21/2026 08 PM PST           54.26          21258         -              Normal
  01/21/2026 09 PM PST           54.24          21227         -              Normal
  01/21/2026 10 PM PST           54.24          21227         0              Normal
  01/21/2026 11 PM PST           54.23          21212         -              Normal
  01/22/2026 12 AM PST           54.23          21212         0              Normal
  01/22/2026 01 AM PST           54.21          21181         -              Normal
  01/22/2026 02 AM PST           54.21          21181         0              Normal
  01/22/2026 03 AM PST           54.19          21150         -              Normal
  01/22/2026 04 AM PST           54.18          21135         -              Normal
  01/22/2026 05 AM PST           54.17          21119         -              Normal
  01/22/2026 06 AM PST           54.15          21089         -              Normal
  01/22/2026 07 AM PST           54.15          21089         0              Normal
  01/22/2026 08 AM PST           54.15          21089         0              Normal
  01/22/2026 09 AM PST           54.14          21074         -              Normal
  01/22/2026 10 AM PST           54.12          21043         -              Normal
  01/22/2026 11 AM PST           54.10          21012         -              Normal
  01/22/2026 12 PM PST           54.08          20982         -              Normal
  01/22/2026 01 PM PST           54.08          20982         0              Normal
  01/22/2026 02 PM PST           54.05          20936         -              Normal
  01/22/2026 03 PM PST           54.03          20906         -              Normal
  01/22/2026 04 PM PST           54.02          20890         -              Normal
  01/22/2026 05 PM PST           54.01          20875         -              Normal
  01/22/2026 06 PM PST           54.00          20860         -              Normal
  01/22/2026 07 PM PST           53.99          20845         -              Normal
  01/22/2026 08 PM PST           53.97          20814         -              Normal
  01/22/2026 09 PM PST           53.96          20798         -              Normal
  01/22/2026 10 PM PST           53.95          20783         -              Normal
  01/22/2026 11 PM PST           53.94          20768         -              Normal
  01/23/2026 12 AM PST           53.92          20737         -              Normal
  01/23/2026 01 AM PST           53.90          20706         -              Normal
  01/23/2026 02 AM PST           53.91          20722         +              Normal
  01/23/2026 03 AM PST           53.90          20706         -              Normal
  01/23/2026 04 AM PST           53.87          20660         -              Normal
  01/23/2026 05 AM PST           53.87          20660         0              Normal
  01/23/2026 06 AM PST           53.84          20614         -              Normal
  01/23/2026 07 AM PST           53.82          20584         -              Normal
  01/23/2026 08 AM PST           53.79          20538         -              Normal
  01/23/2026 09 AM PST           53.76          20493         -              Normal
  01/23/2026 10 AM PST           53.73          20447         -              Normal
  01/23/2026 11 AM PST           53.69          20386         -              Normal
  01/23/2026 12 PM PST           53.65          20326         -              Normal
  01/23/2026 01 PM PST           53.61          20265         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/23/2026 02 PM PST           53.56          20190                        Normal
  01/23/2026 03 PM PST           53.52          20130         -              Normal
  01/23/2026 04 PM PST           53.47          20054         -              Normal
  01/23/2026 05 PM PST           53.42          19979         -              Normal
  01/23/2026 06 PM PST           53.38          19918         -              Normal
  01/23/2026 07 PM PST           53.33          19843         -              Normal
  01/23/2026 08 PM PST           53.28          19767         -              Normal
  01/23/2026 09 PM PST           53.24          19707         -              Normal
  01/23/2026 10 PM PST           53.19          19632         -              Normal
  01/23/2026 11 PM PST           53.15          19573         -              Normal
  01/24/2026 12 AM PST           53.11          19513         -              Normal
  01/24/2026 01 AM PST           53.07          19454         -              Normal
  01/24/2026 02 AM PST           53.03          19394         -              Normal
  01/24/2026 03 AM PST           52.99          19336         -              Normal
  01/24/2026 04 AM PST           52.95          19278         -              Normal
  01/24/2026 05 AM PST           52.92          19235         -              Normal
  01/24/2026 06 AM PST           52.88          19178         -              Normal
  01/24/2026 07 AM PST           52.84          19121         -              Normal
  01/24/2026 08 AM PST           52.80          19064         -              Normal
  01/24/2026 09 AM PST           52.76          19007         -              Normal
  01/24/2026 10 AM PST           52.71          18936         -              Normal
  01/24/2026 11 AM PST           52.66          18865         -              Normal
  01/24/2026 12 PM PST           52.61          18795         -              Normal
  01/24/2026 01 PM PST           52.56          18724         -              Normal
  01/24/2026 02 PM PST           52.50          18640         -              Normal
  01/24/2026 03 PM PST           52.45          18568         -              Normal
  01/24/2026 04 PM PST           52.39          18482         -              Normal
  01/24/2026 05 PM PST           52.33          18396         -              Normal
  01/24/2026 06 PM PST           52.27          18311         -              Normal
  01/24/2026 07 PM PST           52.21          18226         -              Normal
  01/24/2026 08 PM PST           52.16          18155         -              Normal
  01/24/2026 09 PM PST           52.10          18070         -              Normal
  01/24/2026 10 PM PST           52.05          18000         -              Normal
  01/24/2026 11 PM PST           52.00          17930         -              Normal
  01/25/2026 12 AM PST           51.95          17859         -              Normal
  01/25/2026 01 AM PST           51.90          17788         -              Normal
  01/25/2026 02 AM PST           51.85          17718         -              Normal
  01/25/2026 03 AM PST           51.81          17662         -              Normal
  01/25/2026 04 AM PST           51.77          17605         -              Normal
  01/25/2026 05 AM PST           51.72          17535         -              Normal
  01/25/2026 06 AM PST           51.68          17480         -              Normal
  01/25/2026 07 AM PST           51.64          17424         -              Normal
  01/25/2026 08 AM PST           51.60          17368         -              Normal
  01/25/2026 09 AM PST           51.55          17299         -              Normal
  01/25/2026 10 AM PST           51.51          17244         -              Normal
  01/25/2026 11 AM PST           51.46          17174         -              Normal
  01/25/2026 12 PM PST           51.41          17104         -              Normal
  01/25/2026 01 PM PST           51.35          17021         -              Normal
  01/25/2026 02 PM PST           51.29          16938         -              Normal
  01/25/2026 03 PM PST           51.23          16855         -              Normal
  01/25/2026 04 PM PST           51.17          16772         -              Normal
  01/25/2026 05 PM PST           51.11          16690         -              Normal
  01/25/2026 06 PM PST           51.05          16608         -              Normal
  01/25/2026 07 PM PST           50.99          16526         -              Normal
  01/25/2026 08 PM PST           50.94          16456         -              Normal
  01/25/2026 09 PM PST           50.89          16386         -              Normal
  01/25/2026 10 PM PST           50.84          16317         -              Normal
  01/25/2026 11 PM PST           50.79          16247         -              Normal
  01/26/2026 12 AM PST           50.75          16192         -              Normal
  01/26/2026 01 AM PST           50.70          16123         -              Normal
  01/26/2026 02 AM PST           50.66          16068         -              Normal
  01/26/2026 03 AM PST           50.62          16014         -              Normal
  01/26/2026 04 AM PST           50.59          15973         -              Normal
  01/26/2026 05 AM PST           50.55          15918         -              Normal
  01/26/2026 06 AM PST           50.52          15877         -              Normal
  01/26/2026 07 AM PST           50.48          15824         -              Normal
  01/26/2026 08 AM PST           50.44          15773         -              Normal
  01/26/2026 09 AM PST           50.40          15722         -              Normal
  01/26/2026 10 AM PST           50.36          15672         -              Normal
  01/26/2026 11 AM PST           50.32          15621         -              Normal
  01/26/2026 12 PM PST           50.28          15570         -              Normal
  01/26/2026 01 PM PST           50.23          15507         -              Normal
  01/26/2026 02 PM PST           50.18          15445         -              Normal
  01/26/2026 03 PM PST           50.13          15382         -              Normal
  01/26/2026 04 PM PST           50.09          15332         -              Normal
  01/26/2026 05 PM PST           50.04          15270         -              Normal
  01/26/2026 06 PM PST           49.99          15207         -              Normal
  01/26/2026 07 PM PST           49.94          15143         -              Normal
  01/26/2026 08 PM PST           49.90          15092         -              Normal
  01/26/2026 09 PM PST           49.85          15029         -              Normal
  01/26/2026 10 PM PST           49.81          14978         -              Normal
  01/26/2026 11 PM PST           49.77          14928         -              Normal
  01/27/2026 12 AM PST           49.73          14877         -              Normal
  01/27/2026 01 AM PST           49.69          14827         -              Normal
  01/27/2026 02 AM PST           49.65          14777         -              Normal
  01/27/2026 03 AM PST           49.62          14739         -              Normal
  01/27/2026 04 AM PST           49.59          14702         -              Normal
  01/27/2026 05 AM PST           49.55          14652         -              Normal
  01/27/2026 06 AM PST           49.52          14615         -              Normal
  01/27/2026 07 AM PST           49.49          14577         -              Normal
  01/27/2026 08 AM PST           49.47          14552         -              Normal
  01/27/2026 09 AM PST           49.44          14515         -              Normal
  01/27/2026 10 AM PST           49.40          14464         -              Normal
  01/27/2026 11 AM PST           49.37          14427         -              Normal
  01/27/2026 12 PM PST           49.34          14389         -              Normal
  01/27/2026 01 PM PST           49.30          14340         -              Normal
  01/27/2026 02 PM PST           49.27          14302         -              Normal
  01/27/2026 03 PM PST           49.24          14265         -              Normal
  01/27/2026 04 PM PST           49.20          14216         -              Normal
  01/27/2026 05 PM PST           49.17          14178         -              Normal
  01/27/2026 06 PM PST           49.13          14129         -              Normal
  01/27/2026 07 PM PST           49.10          14092         -              Normal
  01/27/2026 08 PM PST           49.07          14056         -              Normal
  01/27/2026 09 PM PST           49.04          14019         -              Normal
  01/27/2026 10 PM PST           49.01          13982         -              Normal
  01/27/2026 11 PM PST           48.99          13957         -              Normal
  01/28/2026 12 AM PST           48.96          13920         -              Normal
  01/28/2026 01 AM PST           48.94          13894         -              Normal
  01/28/2026 02 AM PST           48.91          13857         -              Normal
  01/28/2026 03 AM PST           48.89          13832         -              Normal
  01/28/2026 04 AM PST           48.87          13807         -              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.