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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: | May 06 2026 at 7:46 AM PDT | Next Issuance: | May 07 2026 at 9:00 AM PDT
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| 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: 05/06/2026 at 07:47 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/01/2026 at 07:00 AM PDT
# Maximum Observed Stage: 43.96 Feet
# Maximum Observed Flow: 8179 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/09/2026 at 07:00 AM PDT
# Maximum Forecast Stage: 42.74 Feet
# Maximum Forecast Flow: 6578 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/01/2026 07 AM PDT 43.96 8179 Normal
05/01/2026 08 AM PDT 43.91 8117 - Normal
05/01/2026 09 AM PDT 43.91 8117 0 Normal
05/01/2026 10 AM PDT 43.86 8056 - Normal
05/01/2026 11 AM PDT 43.83 8019 - Normal
05/01/2026 12 PM PDT 43.82 8007 - Normal
05/01/2026 01 PM PDT 43.78 7958 - Normal
05/01/2026 02 PM PDT 43.74 7910 - Normal
05/01/2026 03 PM PDT 43.72 7886 - Normal
05/01/2026 04 PM PDT 43.69 7850 - Normal
05/01/2026 05 PM PDT 43.66 7814 - Normal
05/01/2026 06 PM PDT 43.62 7766 - Normal
05/01/2026 07 PM PDT 43.60 7743 - Normal
05/01/2026 08 PM PDT 43.58 7719 - Normal
05/01/2026 09 PM PDT 43.59 7731 + Normal
05/01/2026 10 PM PDT 43.57 7707 - Normal
05/01/2026 11 PM PDT 43.55 7684 - Normal
05/02/2026 12 AM PDT 43.54 7672 - Normal
05/02/2026 01 AM PDT 43.53 7660 - Normal
05/02/2026 02 AM PDT 43.50 7625 - Normal
05/02/2026 03 AM PDT 43.51 7637 + Normal
05/02/2026 04 AM PDT 43.48 7597 - Normal
05/02/2026 05 AM PDT 43.48 7597 0 Normal
05/02/2026 06 AM PDT 43.46 7570 - Normal
05/02/2026 07 AM PDT 43.45 7556 - Normal
05/02/2026 08 AM PDT 43.42 7514 - Normal
05/02/2026 09 AM PDT 43.41 7501 - Normal
05/02/2026 10 AM PDT 43.38 7460 - Normal
05/02/2026 11 AM PDT 43.37 7446 - Normal
05/02/2026 12 PM PDT 43.34 7405 - Normal
05/02/2026 01 PM PDT 43.34 7405 0 Normal
05/02/2026 02 PM PDT 43.29 7338 - Normal
05/02/2026 03 PM PDT 43.27 7311 - Normal
05/02/2026 04 PM PDT 43.24 7271 - Normal
05/02/2026 05 PM PDT 43.24 7271 0 Normal
05/02/2026 06 PM PDT 43.20 7218 - Normal
05/02/2026 07 PM PDT 43.16 7165 - Normal
05/02/2026 08 PM PDT 43.15 7152 - Normal
05/02/2026 09 PM PDT 43.13 7126 - Normal
05/02/2026 10 PM PDT 43.11 7099 - Normal
05/02/2026 11 PM PDT 43.08 7060 - Normal
05/03/2026 12 AM PDT 43.06 7034 - Normal
05/03/2026 01 AM PDT 43.04 7008 - Normal
05/03/2026 02 AM PDT 43.01 6970 - Normal
05/03/2026 03 AM PDT 43.00 6957 - Normal
05/03/2026 04 AM PDT 42.98 6927 - Normal
05/03/2026 05 AM PDT 42.96 6897 - Normal
05/03/2026 06 AM PDT 42.94 6868 - Normal
05/03/2026 07 AM PDT 42.92 6838 - Normal
05/03/2026 08 AM PDT 42.90 6809 - Normal
05/03/2026 09 AM PDT 42.88 6780 - Normal
05/03/2026 10 AM PDT 42.86 6750 - Normal
05/03/2026 11 AM PDT 42.83 6707 - Normal
05/03/2026 12 PM PDT 42.84 6721 + Normal
05/03/2026 01 PM PDT 42.81 6678 - Normal
05/03/2026 02 PM PDT 42.80 6664 - Normal
05/03/2026 03 PM PDT 42.78 6635 - Normal
05/03/2026 04 PM PDT 42.79 6649 + Normal
05/03/2026 05 PM PDT 42.75 6592 - Normal
05/03/2026 06 PM PDT 42.75 6592 0 Normal
05/03/2026 07 PM PDT 42.74 6578 - Normal
05/03/2026 08 PM PDT 42.72 6549 - Normal
05/03/2026 09 PM PDT 42.71 6535 - Normal
05/03/2026 10 PM PDT 42.69 6507 - Normal
05/03/2026 11 PM PDT 42.67 6479 - Normal
05/04/2026 12 AM PDT 42.66 6465 - Normal
05/04/2026 01 AM PDT 42.65 6451 - Normal
05/04/2026 02 AM PDT 42.63 6423 - Normal
05/04/2026 03 AM PDT 42.63 6423 0 Normal
05/04/2026 04 AM PDT 42.62 6409 - Normal
05/04/2026 05 AM PDT 42.61 6395 - Normal
05/04/2026 06 AM PDT 42.61 6395 0 Normal
05/04/2026 07 AM PDT 42.60 6381 - Normal
05/04/2026 08 AM PDT 42.60 6381 0 Normal
05/04/2026 09 AM PDT 42.59 6367 - Normal
05/04/2026 10 AM PDT 42.61 6395 + Normal
05/04/2026 11 AM PDT 42.61 6395 0 Normal
05/04/2026 12 PM PDT 42.61 6395 0 Normal
05/04/2026 01 PM PDT 42.61 6395 0 Normal
05/04/2026 02 PM PDT 42.61 6395 0 Normal
05/04/2026 03 PM PDT 42.61 6395 0 Normal
05/04/2026 04 PM PDT 42.60 6381 - Normal
05/04/2026 05 PM PDT 42.60 6381 0 Normal
05/04/2026 06 PM PDT 42.60 6381 0 Normal
05/04/2026 07 PM PDT 42.59 6367 - Normal
05/04/2026 08 PM PDT 42.56 6326 - Normal
05/04/2026 09 PM PDT 42.55 6312 - Normal
05/04/2026 10 PM PDT 42.56 6326 + Normal
05/04/2026 11 PM PDT 42.56 6326 0 Normal
05/05/2026 12 AM PDT 42.54 6299 - Normal
05/05/2026 01 AM PDT 42.54 6299 0 Normal
05/05/2026 02 AM PDT 42.55 6312 + Normal
05/05/2026 03 AM PDT 42.54 6299 - Normal
05/05/2026 04 AM PDT 42.54 6299 0 Normal
05/05/2026 05 AM PDT 42.53 6285 - Normal
05/05/2026 06 AM PDT 42.51 6258 - Normal
05/05/2026 07 AM PDT 42.51 6258 0 Normal
05/05/2026 08 AM PDT 42.49 6229 - Normal
05/05/2026 09 AM PDT 42.48 6214 - Normal
05/05/2026 10 AM PDT 42.47 6200 - Normal
05/05/2026 11 AM PDT 42.44 6156 - Normal
05/05/2026 12 PM PDT 42.43 6141 - Normal
05/05/2026 01 PM PDT 42.42 6126 - Normal
05/05/2026 02 PM PDT 42.41 6112 - Normal
05/05/2026 03 PM PDT 42.40 6097 - Normal
05/05/2026 04 PM PDT 42.39 6083 - Normal
05/05/2026 05 PM PDT 42.35 6025 - Normal
05/05/2026 06 PM PDT 42.34 6011 - Normal
05/05/2026 07 PM PDT 42.32 5982 - Normal
05/05/2026 08 PM PDT 42.30 5954 - Normal
05/05/2026 09 PM PDT 42.29 5940 - Normal
05/05/2026 10 PM PDT 42.27 5911 - Normal
05/05/2026 11 PM PDT 42.24 5869 - Normal
05/06/2026 12 AM PDT 42.23 5855 - Normal
05/06/2026 01 AM PDT 42.21 5827 - Normal
05/06/2026 02 AM PDT 42.20 5813 - Normal
05/06/2026 03 AM PDT 42.19 5799 - Normal
05/06/2026 04 AM PDT 42.17 5772 - Normal
05/06/2026 05 AM PDT 42.17 5772 0 Normal
05/06/2026 06 AM PDT 42.17 5772 0 Normal
05/06/2026 07 AM PDT 42.17 5772 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/06/2026 08 AM PDT 42.18 5785 Normal
05/06/2026 09 AM PDT 42.19 5799 + Normal
05/06/2026 10 AM PDT 42.20 5813 + Normal
05/06/2026 11 AM PDT 42.21 5827 + Normal
05/06/2026 12 PM PDT 42.23 5855 + Normal
05/06/2026 01 PM PDT 42.24 5869 + Normal
05/06/2026 02 PM PDT 42.26 5897 + Normal
05/06/2026 03 PM PDT 42.28 5925 + Normal
05/06/2026 04 PM PDT 42.30 5954 + Normal
05/06/2026 05 PM PDT 42.31 5968 + Normal
05/06/2026 06 PM PDT 42.33 5996 + Normal
05/06/2026 07 PM PDT 42.34 6011 + Normal
05/06/2026 08 PM PDT 42.36 6039 + Normal
05/06/2026 09 PM PDT 42.37 6054 + Normal
05/06/2026 10 PM PDT 42.39 6083 + Normal
05/06/2026 11 PM PDT 42.40 6097 + Normal
05/07/2026 12 AM PDT 42.41 6112 + Normal
05/07/2026 01 AM PDT 42.42 6126 + Normal
05/07/2026 02 AM PDT 42.43 6141 + Normal
05/07/2026 03 AM PDT 42.44 6156 + Normal
05/07/2026 04 AM PDT 42.45 6170 + Normal
05/07/2026 05 AM PDT 42.46 6185 + Normal
05/07/2026 06 AM PDT 42.47 6200 + Normal
05/07/2026 07 AM PDT 42.48 6214 + Normal
05/07/2026 08 AM PDT 42.48 6214 0 Normal
05/07/2026 09 AM PDT 42.49 6229 + Normal
05/07/2026 10 AM PDT 42.50 6244 + Normal
05/07/2026 11 AM PDT 42.50 6244 0 Normal
05/07/2026 12 PM PDT 42.51 6258 + Normal
05/07/2026 01 PM PDT 42.51 6258 0 Normal
05/07/2026 02 PM PDT 42.52 6271 + Normal
05/07/2026 03 PM PDT 42.52 6271 0 Normal
05/07/2026 04 PM PDT 42.53 6285 + Normal
05/07/2026 05 PM PDT 42.53 6285 0 Normal
05/07/2026 06 PM PDT 42.54 6299 + Normal
05/07/2026 07 PM PDT 42.54 6299 0 Normal
05/07/2026 08 PM PDT 42.54 6299 0 Normal
05/07/2026 09 PM PDT 42.55 6312 + Normal
05/07/2026 10 PM PDT 42.55 6312 0 Normal
05/07/2026 11 PM PDT 42.55 6312 0 Normal
05/08/2026 12 AM PDT 42.56 6326 + Normal
05/08/2026 01 AM PDT 42.56 6326 0 Normal
05/08/2026 02 AM PDT 42.56 6326 0 Normal
05/08/2026 03 AM PDT 42.57 6340 + Normal
05/08/2026 04 AM PDT 42.57 6340 0 Normal
05/08/2026 05 AM PDT 42.57 6340 0 Normal
05/08/2026 06 AM PDT 42.57 6340 0 Normal
05/08/2026 07 AM PDT 42.58 6354 + Normal
05/08/2026 08 AM PDT 42.58 6354 0 Normal
05/08/2026 09 AM PDT 42.59 6367 + Normal
05/08/2026 10 AM PDT 42.60 6381 + Normal
05/08/2026 11 AM PDT 42.60 6381 0 Normal
05/08/2026 12 PM PDT 42.62 6409 + Normal
05/08/2026 01 PM PDT 42.62 6409 0 Normal
05/08/2026 02 PM PDT 42.63 6423 + Normal
05/08/2026 03 PM PDT 42.64 6437 + Normal
05/08/2026 04 PM PDT 42.65 6451 + Normal
05/08/2026 05 PM PDT 42.66 6465 + Normal
05/08/2026 06 PM PDT 42.67 6479 + Normal
05/08/2026 07 PM PDT 42.68 6493 + Normal
05/08/2026 08 PM PDT 42.69 6507 + Normal
05/08/2026 09 PM PDT 42.70 6521 + Normal
05/08/2026 10 PM PDT 42.70 6521 0 Normal
05/08/2026 11 PM PDT 42.71 6535 + Normal
05/09/2026 12 AM PDT 42.72 6549 + Normal
05/09/2026 01 AM PDT 42.72 6549 0 Normal
05/09/2026 02 AM PDT 42.72 6549 0 Normal
05/09/2026 03 AM PDT 42.73 6563 + Normal
05/09/2026 04 AM PDT 42.73 6563 0 Normal
05/09/2026 05 AM PDT 42.73 6563 0 Normal
05/09/2026 06 AM PDT 42.73 6563 0 Normal
05/09/2026 07 AM PDT 42.74 6578 + Normal
05/09/2026 08 AM PDT 42.74 6578 0 Normal
05/09/2026 09 AM PDT 42.74 6578 0 Normal
05/09/2026 10 AM PDT 42.74 6578 0 Normal
05/09/2026 11 AM PDT 42.74 6578 0 Normal
05/09/2026 12 PM PDT 42.74 6578 0 Normal
05/09/2026 01 PM PDT 42.74 6578 0 Normal
05/09/2026 02 PM PDT 42.74 6578 0 Normal
05/09/2026 03 PM PDT 42.74 6578 0 Normal
05/09/2026 04 PM PDT 42.74 6578 0 Normal
05/09/2026 05 PM PDT 42.74 6578 0 Normal
05/09/2026 06 PM PDT 42.74 6578 0 Normal
05/09/2026 07 PM PDT 42.74 6578 0 Normal
05/09/2026 08 PM PDT 42.74 6578 0 Normal
05/09/2026 09 PM PDT 42.74 6578 0 Normal
05/09/2026 10 PM PDT 42.74 6578 0 Normal
05/09/2026 11 PM PDT 42.73 6563 - Normal
05/10/2026 12 AM PDT 42.73 6563 0 Normal
05/10/2026 01 AM PDT 42.73 6563 0 Normal
05/10/2026 02 AM PDT 42.73 6563 0 Normal
05/10/2026 03 AM PDT 42.73 6563 0 Normal
05/10/2026 04 AM PDT 42.73 6563 0 Normal
05/10/2026 05 AM PDT 42.73 6563 0 Normal
05/10/2026 06 AM PDT 42.73 6563 0 Normal
05/10/2026 07 AM PDT 42.72 6549 - Normal
05/10/2026 08 AM PDT 42.72 6549 0 Normal
05/10/2026 09 AM PDT 42.72 6549 0 Normal
05/10/2026 10 AM PDT 42.72 6549 0 Normal
05/10/2026 11 AM PDT 42.72 6549 0 Normal
05/10/2026 12 PM PDT 42.71 6535 - Normal
05/10/2026 01 PM PDT 42.71 6535 0 Normal
05/10/2026 02 PM PDT 42.71 6535 0 Normal
05/10/2026 03 PM PDT 42.71 6535 0 Normal
05/10/2026 04 PM PDT 42.71 6535 0 Normal
05/10/2026 05 PM PDT 42.70 6521 - Normal
05/10/2026 06 PM PDT 42.70 6521 0 Normal
05/10/2026 07 PM PDT 42.70 6521 0 Normal
05/10/2026 08 PM PDT 42.70 6521 0 Normal
05/10/2026 09 PM PDT 42.70 6521 0 Normal
05/10/2026 10 PM PDT 42.70 6521 0 Normal
05/10/2026 11 PM PDT 42.69 6507 - Normal
05/11/2026 12 AM PDT 42.69 6507 0 Normal
05/11/2026 01 AM PDT 42.69 6507 0 Normal
05/11/2026 02 AM PDT 42.69 6507 0 Normal
05/11/2026 03 AM PDT 42.69 6507 0 Normal
05/11/2026 04 AM PDT 42.68 6493 - Normal
05/11/2026 05 AM PDT 42.68 6493 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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