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SACRAMENTO RIVER - COLUSA BRIDGE (CLUC1)
| Latitude: 39.21º N | Longitude: 122.00º W | Elevation: 70 Feet | | | |
| Location: Colusa County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento |
| Issuance Time: | Feb 06 2026 at 6:55 AM PST | Next Issuance: | Feb 06 2026 at 3:00 PM PST
| |
| 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: 02/06/2026 at 06:55 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/06/2026 at 06:00 AM PST
# Maximum Observed Stage: 48.78 Feet
# Maximum Observed Flow: 13695 cfs
#
# Earliest Date & Time of Maximum Forecast: 02/10/2026 at 08:00 PM PST
# Maximum Forecast Stage: 49.74 Feet
# Maximum Forecast Flow: 14890 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/01/2026 06 AM PST 48.16 12988 Normal
02/01/2026 07 AM PST 48.16 12988 0 Normal
02/01/2026 08 AM PST 48.15 12977 - Normal
02/01/2026 09 AM PST 48.15 12977 0 Normal
02/01/2026 10 AM PST 48.15 12977 0 Normal
02/01/2026 11 AM PST 48.15 12977 0 Normal
02/01/2026 12 PM PST 48.15 12977 0 Normal
02/01/2026 01 PM PST 48.15 12977 0 Normal
02/01/2026 02 PM PST 48.15 12977 0 Normal
02/01/2026 03 PM PST 48.15 12977 0 Normal
02/01/2026 04 PM PST 48.14 12967 - Normal
02/01/2026 05 PM PST 48.13 12956 - Normal
02/01/2026 06 PM PST 48.12 12946 - Normal
02/01/2026 07 PM PST 48.12 12946 0 Normal
02/01/2026 08 PM PST 48.11 12935 - Normal
02/01/2026 09 PM PST 48.10 12925 - Normal
02/01/2026 10 PM PST 48.10 12925 0 Normal
02/01/2026 11 PM PST 48.08 12904 - Normal
02/02/2026 12 AM PST 48.08 12904 0 Normal
02/02/2026 01 AM PST 48.07 12893 - Normal
02/02/2026 02 AM PST 48.07 12893 0 Normal
02/02/2026 03 AM PST 48.06 12883 - Normal
02/02/2026 04 AM PST 48.05 12872 - Normal
02/02/2026 05 AM PST 48.04 12862 - Normal
02/02/2026 06 AM PST 48.04 12862 0 Normal
02/02/2026 07 AM PST 48.03 12851 - Normal
02/02/2026 08 AM PST 48.03 12851 0 Normal
02/02/2026 09 AM PST 48.02 12841 - Normal
02/02/2026 10 AM PST 48.02 12841 0 Normal
02/02/2026 11 AM PST 48.02 12841 0 Normal
02/02/2026 12 PM PST 48.00 12820 - Normal
02/02/2026 01 PM PST 48.00 12820 0 Normal
02/02/2026 02 PM PST 48.00 12820 0 Normal
02/02/2026 03 PM PST 47.99 12809 - Normal
02/02/2026 04 PM PST 47.98 12798 - Normal
02/02/2026 05 PM PST 47.98 12798 0 Normal
02/02/2026 06 PM PST 47.97 12787 - Normal
02/02/2026 07 PM PST 47.97 12787 0 Normal
02/02/2026 08 PM PST 47.96 12776 - Normal
02/02/2026 09 PM PST 47.95 12765 - Normal
02/02/2026 10 PM PST 47.95 12765 0 Normal
02/02/2026 11 PM PST 47.95 12765 0 Normal
02/03/2026 12 AM PST 47.95 12765 0 Normal
02/03/2026 01 AM PST 47.95 12765 0 Normal
02/03/2026 02 AM PST 47.93 12743 - Normal
02/03/2026 03 AM PST 47.94 12754 + Normal
02/03/2026 04 AM PST 47.93 12743 - Normal
02/03/2026 05 AM PST 47.94 12754 + Normal
02/03/2026 06 AM PST 47.93 12743 - Normal
02/03/2026 07 AM PST 47.92 12732 - Normal
02/03/2026 08 AM PST 47.91 12721 - Normal
02/03/2026 09 AM PST 47.91 12721 0 Normal
02/03/2026 10 AM PST 47.90 12711 - Normal
02/03/2026 11 AM PST 47.90 12711 0 Normal
02/03/2026 12 PM PST 47.91 12721 + Normal
02/03/2026 01 PM PST 47.90 12711 - Normal
02/03/2026 02 PM PST 47.90 12711 0 Normal
02/03/2026 03 PM PST 47.90 12711 0 Normal
02/03/2026 04 PM PST 47.90 12711 0 Normal
02/03/2026 05 PM PST 47.90 12711 0 Normal
02/03/2026 06 PM PST 47.89 12700 - Normal
02/03/2026 07 PM PST 47.89 12700 0 Normal
02/03/2026 08 PM PST 47.89 12700 0 Normal
02/03/2026 09 PM PST 47.90 12711 + Normal
02/03/2026 10 PM PST 47.88 12689 - Normal
02/03/2026 11 PM PST 47.89 12700 + Normal
02/04/2026 12 AM PST 47.89 12700 0 Normal
02/04/2026 01 AM PST 47.88 12689 - Normal
02/04/2026 02 AM PST 47.89 12700 + Normal
02/04/2026 03 AM PST 47.88 12689 - Normal
02/04/2026 04 AM PST 47.89 12700 + Normal
02/04/2026 05 AM PST 47.89 12700 0 Normal
02/04/2026 06 AM PST 47.89 12700 0 Normal
02/04/2026 07 AM PST 47.91 12721 + Normal
02/04/2026 08 AM PST 47.93 12743 + Normal
02/04/2026 09 AM PST 47.96 12776 + Normal
02/04/2026 10 AM PST 47.98 12798 + Normal
02/04/2026 11 AM PST 48.04 12862 + Normal
02/04/2026 12 PM PST 48.09 12914 + Normal
02/04/2026 01 PM PST 48.14 12967 + Normal
02/04/2026 02 PM PST 48.16 12988 + Normal
02/04/2026 03 PM PST 48.24 13072 + Normal
02/04/2026 04 PM PST 48.28 13115 + Normal
02/04/2026 05 PM PST 48.33 13168 + Normal
02/04/2026 06 PM PST 48.37 13211 + Normal
02/04/2026 07 PM PST 48.41 13253 + Normal
02/04/2026 08 PM PST 48.44 13286 + Normal
02/04/2026 09 PM PST 48.47 13318 + Normal
02/04/2026 10 PM PST 48.52 13374 + Normal
02/04/2026 11 PM PST 48.54 13399 + Normal
02/05/2026 12 AM PST 48.57 13435 + Normal
02/05/2026 01 AM PST 48.58 13448 + Normal
02/05/2026 02 AM PST 48.60 13472 + Normal
02/05/2026 03 AM PST 48.62 13497 + Normal
02/05/2026 04 AM PST 48.63 13509 + Normal
02/05/2026 05 AM PST 48.65 13534 + Normal
02/05/2026 06 AM PST 48.65 13534 0 Normal
02/05/2026 07 AM PST 48.65 13534 0 Normal
02/05/2026 08 AM PST 48.66 13546 + Normal
02/05/2026 09 AM PST 48.66 13546 0 Normal
02/05/2026 10 AM PST 48.67 13558 + Normal
02/05/2026 11 AM PST 48.67 13558 0 Normal
02/05/2026 12 PM PST 48.68 13571 + Normal
02/05/2026 01 PM PST 48.69 13583 + Normal
02/05/2026 02 PM PST 48.69 13583 0 Normal
02/05/2026 03 PM PST 48.67 13558 - Normal
02/05/2026 04 PM PST 48.68 13571 + Normal
02/05/2026 05 PM PST 48.68 13571 0 Normal
02/05/2026 06 PM PST 48.68 13571 0 Normal
02/05/2026 07 PM PST 48.67 13558 - Normal
02/05/2026 08 PM PST 48.68 13571 + Normal
02/05/2026 09 PM PST 48.68 13571 0 Normal
02/05/2026 10 PM PST 48.69 13583 + Normal
02/05/2026 11 PM PST 48.70 13595 + Normal
02/06/2026 12 AM PST 48.71 13608 + Normal
02/06/2026 01 AM PST 48.72 13620 + Normal
02/06/2026 02 AM PST 48.73 13632 + Normal
02/06/2026 03 AM PST 48.74 13645 + Normal
02/06/2026 04 AM PST 48.75 13657 + Normal
02/06/2026 05 AM PST 48.77 13682 + Normal
02/06/2026 06 AM PST 48.78 13695 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
02/06/2026 07 AM PST 48.79 13707 Normal
02/06/2026 08 AM PST 48.79 13707 0 Normal
02/06/2026 09 AM PST 48.80 13719 + Normal
02/06/2026 10 AM PST 48.80 13719 0 Normal
02/06/2026 11 AM PST 48.81 13732 + Normal
02/06/2026 12 PM PST 48.81 13732 0 Normal
02/06/2026 01 PM PST 48.81 13732 0 Normal
02/06/2026 02 PM PST 48.81 13732 0 Normal
02/06/2026 03 PM PST 48.81 13732 0 Normal
02/06/2026 04 PM PST 48.80 13719 - Normal
02/06/2026 05 PM PST 48.80 13719 0 Normal
02/06/2026 06 PM PST 48.80 13719 0 Normal
02/06/2026 07 PM PST 48.79 13707 - Normal
02/06/2026 08 PM PST 48.79 13707 0 Normal
02/06/2026 09 PM PST 48.78 13695 - Normal
02/06/2026 10 PM PST 48.78 13695 0 Normal
02/06/2026 11 PM PST 48.77 13682 - Normal
02/07/2026 12 AM PST 48.77 13682 0 Normal
02/07/2026 01 AM PST 48.77 13682 0 Normal
02/07/2026 02 AM PST 48.76 13670 - Normal
02/07/2026 03 AM PST 48.76 13670 0 Normal
02/07/2026 04 AM PST 48.75 13657 - Normal
02/07/2026 05 AM PST 48.75 13657 0 Normal
02/07/2026 06 AM PST 48.74 13645 - Normal
02/07/2026 07 AM PST 48.74 13645 0 Normal
02/07/2026 08 AM PST 48.74 13645 0 Normal
02/07/2026 09 AM PST 48.73 13632 - Normal
02/07/2026 10 AM PST 48.73 13632 0 Normal
02/07/2026 11 AM PST 48.73 13632 0 Normal
02/07/2026 12 PM PST 48.73 13632 0 Normal
02/07/2026 01 PM PST 48.73 13632 0 Normal
02/07/2026 02 PM PST 48.72 13620 - Normal
02/07/2026 03 PM PST 48.72 13620 0 Normal
02/07/2026 04 PM PST 48.72 13620 0 Normal
02/07/2026 05 PM PST 48.72 13620 0 Normal
02/07/2026 06 PM PST 48.72 13620 0 Normal
02/07/2026 07 PM PST 48.71 13608 - Normal
02/07/2026 08 PM PST 48.71 13608 0 Normal
02/07/2026 09 PM PST 48.71 13608 0 Normal
02/07/2026 10 PM PST 48.71 13608 0 Normal
02/07/2026 11 PM PST 48.71 13608 0 Normal
02/08/2026 12 AM PST 48.71 13608 0 Normal
02/08/2026 01 AM PST 48.70 13595 - Normal
02/08/2026 02 AM PST 48.70 13595 0 Normal
02/08/2026 03 AM PST 48.70 13595 0 Normal
02/08/2026 04 AM PST 48.71 13608 + Normal
02/08/2026 05 AM PST 48.71 13608 0 Normal
02/08/2026 06 AM PST 48.72 13620 + Normal
02/08/2026 07 AM PST 48.73 13632 + Normal
02/08/2026 08 AM PST 48.74 13645 + Normal
02/08/2026 09 AM PST 48.77 13682 + Normal
02/08/2026 10 AM PST 48.79 13707 + Normal
02/08/2026 11 AM PST 48.81 13732 + Normal
02/08/2026 12 PM PST 48.84 13769 + Normal
02/08/2026 01 PM PST 48.88 13819 + Normal
02/08/2026 02 PM PST 48.91 13857 + Normal
02/08/2026 03 PM PST 48.94 13894 + Normal
02/08/2026 04 PM PST 48.97 13932 + Normal
02/08/2026 05 PM PST 49.00 13970 + Normal
02/08/2026 06 PM PST 49.03 14007 + Normal
02/08/2026 07 PM PST 49.06 14043 + Normal
02/08/2026 08 PM PST 49.09 14080 + Normal
02/08/2026 09 PM PST 49.12 14117 + Normal
02/08/2026 10 PM PST 49.15 14154 + Normal
02/08/2026 11 PM PST 49.17 14178 + Normal
02/09/2026 12 AM PST 49.19 14203 + Normal
02/09/2026 01 AM PST 49.22 14240 + Normal
02/09/2026 02 AM PST 49.24 14265 + Normal
02/09/2026 03 AM PST 49.26 14290 + Normal
02/09/2026 04 AM PST 49.27 14302 + Normal
02/09/2026 05 AM PST 49.29 14327 + Normal
02/09/2026 06 AM PST 49.31 14352 + Normal
02/09/2026 07 AM PST 49.32 14364 + Normal
02/09/2026 08 AM PST 49.33 14377 + Normal
02/09/2026 09 AM PST 49.35 14402 + Normal
02/09/2026 10 AM PST 49.36 14414 + Normal
02/09/2026 11 AM PST 49.37 14427 + Normal
02/09/2026 12 PM PST 49.38 14439 + Normal
02/09/2026 01 PM PST 49.39 14452 + Normal
02/09/2026 02 PM PST 49.40 14464 + Normal
02/09/2026 03 PM PST 49.41 14477 + Normal
02/09/2026 04 PM PST 49.42 14489 + Normal
02/09/2026 05 PM PST 49.43 14502 + Normal
02/09/2026 06 PM PST 49.44 14515 + Normal
02/09/2026 07 PM PST 49.45 14527 + Normal
02/09/2026 08 PM PST 49.45 14527 0 Normal
02/09/2026 09 PM PST 49.47 14552 + Normal
02/09/2026 10 PM PST 49.48 14565 + Normal
02/09/2026 11 PM PST 49.49 14577 + Normal
02/10/2026 12 AM PST 49.50 14590 + Normal
02/10/2026 01 AM PST 49.51 14602 + Normal
02/10/2026 02 AM PST 49.53 14627 + Normal
02/10/2026 03 AM PST 49.54 14640 + Normal
02/10/2026 04 AM PST 49.55 14652 + Normal
02/10/2026 05 AM PST 49.57 14677 + Normal
02/10/2026 06 AM PST 49.59 14702 + Normal
02/10/2026 07 AM PST 49.60 14714 + Normal
02/10/2026 08 AM PST 49.62 14739 + Normal
02/10/2026 09 AM PST 49.63 14752 + Normal
02/10/2026 10 AM PST 49.65 14777 + Normal
02/10/2026 11 AM PST 49.66 14789 + Normal
02/10/2026 12 PM PST 49.68 14814 + Normal
02/10/2026 01 PM PST 49.69 14827 + Normal
02/10/2026 02 PM PST 49.70 14840 + Normal
02/10/2026 03 PM PST 49.71 14852 + Normal
02/10/2026 04 PM PST 49.72 14865 + Normal
02/10/2026 05 PM PST 49.73 14877 + Normal
02/10/2026 06 PM PST 49.73 14877 0 Normal
02/10/2026 07 PM PST 49.73 14877 0 Normal
02/10/2026 08 PM PST 49.74 14890 + Normal
02/10/2026 09 PM PST 49.74 14890 0 Normal
02/10/2026 10 PM PST 49.74 14890 0 Normal
02/10/2026 11 PM PST 49.74 14890 0 Normal
02/11/2026 12 AM PST 49.73 14877 - Normal
02/11/2026 01 AM PST 49.73 14877 0 Normal
02/11/2026 02 AM PST 49.73 14877 0 Normal
02/11/2026 03 AM PST 49.73 14877 0 Normal
02/11/2026 04 AM PST 49.73 14877 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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