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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 19 2026 at 7:45 AM PDT | Next Issuance: | May 20 2026 at 9:00 AM PDT
| |
| 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: 05/19/2026 at 07:46 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/19/2026 at 07:00 AM PDT
# Maximum Observed Stage: 43.01 Feet
# Maximum Observed Flow: 6970 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/21/2026 at 11:00 PM PDT
# Maximum Forecast Stage: 43.18 Feet
# Maximum Forecast Flow: 7191 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/14/2026 07 AM PDT 42.01 5554 Normal
05/14/2026 08 AM PDT 42.01 5554 0 Normal
05/14/2026 09 AM PDT 42.00 5541 - Normal
05/14/2026 10 AM PDT 42.00 5541 0 Normal
05/14/2026 11 AM PDT 42.00 5541 0 Normal
05/14/2026 12 PM PDT 41.99 5531 - Normal
05/14/2026 01 PM PDT 41.98 5521 - Normal
05/14/2026 02 PM PDT 41.97 5511 - Normal
05/14/2026 03 PM PDT 41.97 5511 0 Normal
05/14/2026 04 PM PDT 41.96 5501 - Normal
05/14/2026 05 PM PDT 41.95 5492 - Normal
05/14/2026 06 PM PDT 41.95 5492 0 Normal
05/14/2026 07 PM PDT 41.95 5492 0 Normal
05/14/2026 08 PM PDT 41.94 5482 - Normal
05/14/2026 09 PM PDT 41.94 5482 0 Normal
05/14/2026 10 PM PDT 41.95 5492 + Normal
05/14/2026 11 PM PDT 41.93 5472 - Normal
05/15/2026 12 AM PDT 41.94 5482 + Normal
05/15/2026 01 AM PDT 41.94 5482 0 Normal
05/15/2026 02 AM PDT 41.94 5482 0 Normal
05/15/2026 03 AM PDT 41.94 5482 0 Normal
05/15/2026 04 AM PDT 41.94 5482 0 Normal
05/15/2026 05 AM PDT 41.95 5492 + Normal
05/15/2026 06 AM PDT 41.95 5492 0 Normal
05/15/2026 07 AM PDT 41.95 5492 0 Normal
05/15/2026 08 AM PDT 41.95 5492 0 Normal
05/15/2026 09 AM PDT 41.95 5492 0 Normal
05/15/2026 10 AM PDT 41.98 5521 + Normal
05/15/2026 11 AM PDT 42.00 5541 + Normal
05/15/2026 12 PM PDT 42.01 5554 + Normal
05/15/2026 01 PM PDT 42.03 5581 + Normal
05/15/2026 02 PM PDT 42.04 5594 + Normal
05/15/2026 03 PM PDT 42.04 5594 0 Normal
05/15/2026 04 PM PDT 42.05 5608 + Normal
05/15/2026 05 PM PDT 42.05 5608 0 Normal
05/15/2026 06 PM PDT 42.05 5608 0 Normal
05/15/2026 07 PM PDT 42.06 5621 + Normal
05/15/2026 08 PM PDT 42.05 5608 - Normal
05/15/2026 09 PM PDT 42.06 5621 + Normal
05/15/2026 10 PM PDT 42.05 5608 - Normal
05/15/2026 11 PM PDT 42.06 5621 + Normal
05/16/2026 12 AM PDT 42.06 5621 0 Normal
05/16/2026 01 AM PDT 42.07 5635 + Normal
05/16/2026 02 AM PDT 42.07 5635 0 Normal
05/16/2026 03 AM PDT 42.07 5635 0 Normal
05/16/2026 04 AM PDT 42.05 5608 - Normal
05/16/2026 05 AM PDT 42.08 5648 + Normal
05/16/2026 06 AM PDT 42.09 5662 + Normal
05/16/2026 07 AM PDT 42.09 5662 0 Normal
05/16/2026 08 AM PDT 42.06 5621 - Normal
05/16/2026 09 AM PDT 42.07 5635 + Normal
05/16/2026 10 AM PDT 42.07 5635 0 Normal
05/16/2026 11 AM PDT 42.05 5608 - Normal
05/16/2026 12 PM PDT 42.08 5648 + Normal
05/16/2026 01 PM PDT 42.05 5608 - Normal
05/16/2026 02 PM PDT 42.07 5635 + Normal
05/16/2026 03 PM PDT 42.07 5635 0 Normal
05/16/2026 04 PM PDT 42.07 5635 0 Normal
05/16/2026 05 PM PDT 42.08 5648 + Normal
05/16/2026 06 PM PDT 42.07 5635 - Normal
05/16/2026 07 PM PDT 42.09 5662 + Normal
05/16/2026 08 PM PDT 42.09 5662 0 Normal
05/16/2026 09 PM PDT 42.10 5676 + Normal
05/16/2026 10 PM PDT 42.10 5676 0 Normal
05/16/2026 11 PM PDT 42.09 5662 - Normal
05/17/2026 12 AM PDT 42.10 5676 + Normal
05/17/2026 01 AM PDT 42.10 5676 0 Normal
05/17/2026 02 AM PDT 42.13 5717 + Normal
05/17/2026 03 AM PDT 42.11 5689 - Normal
05/17/2026 04 AM PDT 42.12 5703 + Normal
05/17/2026 05 AM PDT 42.14 5730 + Normal
05/17/2026 06 AM PDT 42.17 5772 + Normal
05/17/2026 07 AM PDT 42.18 5785 + Normal
05/17/2026 08 AM PDT 42.20 5813 + Normal
05/17/2026 09 AM PDT 42.23 5855 + Normal
05/17/2026 10 AM PDT 42.27 5911 + Normal
05/17/2026 11 AM PDT 42.28 5925 + Normal
05/17/2026 12 PM PDT 42.29 5940 + Normal
05/17/2026 01 PM PDT 42.35 6025 + Normal
05/17/2026 02 PM PDT 42.36 6039 + Normal
05/17/2026 03 PM PDT 42.42 6126 + Normal
05/17/2026 04 PM PDT 42.45 6170 + Normal
05/17/2026 05 PM PDT 42.47 6200 + Normal
05/17/2026 06 PM PDT 42.48 6214 + Normal
05/17/2026 07 PM PDT 42.49 6229 + Normal
05/17/2026 08 PM PDT 42.49 6229 0 Normal
05/17/2026 09 PM PDT 42.49 6229 0 Normal
05/17/2026 10 PM PDT 42.51 6258 + Normal
05/17/2026 11 PM PDT 42.51 6258 0 Normal
05/18/2026 12 AM PDT 42.55 6312 + Normal
05/18/2026 01 AM PDT 42.58 6354 + Normal
05/18/2026 02 AM PDT 42.60 6381 + Normal
05/18/2026 03 AM PDT 42.63 6423 + Normal
05/18/2026 04 AM PDT 42.66 6465 + Normal
05/18/2026 05 AM PDT 42.69 6507 + Normal
05/18/2026 06 AM PDT 42.73 6563 + Normal
05/18/2026 07 AM PDT 42.75 6592 + Normal
05/18/2026 08 AM PDT 42.78 6635 + Normal
05/18/2026 09 AM PDT 42.80 6664 + Normal
05/18/2026 10 AM PDT 42.83 6707 + Normal
05/18/2026 11 AM PDT 42.84 6721 + Normal
05/18/2026 12 PM PDT 42.86 6750 + Normal
05/18/2026 01 PM PDT 42.89 6794 + Normal
05/18/2026 02 PM PDT 42.91 6824 + Normal
05/18/2026 03 PM PDT 42.94 6868 + Normal
05/18/2026 04 PM PDT 42.94 6868 0 Normal
05/18/2026 05 PM PDT 42.94 6868 0 Normal
05/18/2026 06 PM PDT 42.95 6883 + Normal
05/18/2026 07 PM PDT 42.97 6912 + Normal
05/18/2026 08 PM PDT 42.97 6912 0 Normal
05/18/2026 09 PM PDT 42.98 6927 + Normal
05/18/2026 10 PM PDT 42.99 6942 + Normal
05/18/2026 11 PM PDT 42.99 6942 0 Normal
05/19/2026 12 AM PDT 42.98 6927 - Normal
05/19/2026 01 AM PDT 42.99 6942 + Normal
05/19/2026 02 AM PDT 42.99 6942 0 Normal
05/19/2026 03 AM PDT 43.01 6970 + Normal
05/19/2026 04 AM PDT 43.00 6957 - Normal
05/19/2026 05 AM PDT 43.01 6970 + Normal
05/19/2026 06 AM PDT 43.01 6970 0 Normal
05/19/2026 07 AM PDT 43.01 6970 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/19/2026 08 AM PDT 43.00 6957 Normal
05/19/2026 09 AM PDT 43.00 6957 0 Normal
05/19/2026 10 AM PDT 43.00 6957 0 Normal
05/19/2026 11 AM PDT 43.00 6957 0 Normal
05/19/2026 12 PM PDT 43.00 6957 0 Normal
05/19/2026 01 PM PDT 42.99 6942 - Normal
05/19/2026 02 PM PDT 42.99 6942 0 Normal
05/19/2026 03 PM PDT 43.00 6957 + Normal
05/19/2026 04 PM PDT 43.00 6957 0 Normal
05/19/2026 05 PM PDT 43.01 6970 + Normal
05/19/2026 06 PM PDT 43.01 6970 0 Normal
05/19/2026 07 PM PDT 43.02 6983 + Normal
05/19/2026 08 PM PDT 43.03 6996 + Normal
05/19/2026 09 PM PDT 43.04 7008 + Normal
05/19/2026 10 PM PDT 43.05 7021 + Normal
05/19/2026 11 PM PDT 43.06 7034 + Normal
05/20/2026 12 AM PDT 43.07 7047 + Normal
05/20/2026 01 AM PDT 43.08 7060 + Normal
05/20/2026 02 AM PDT 43.08 7060 0 Normal
05/20/2026 03 AM PDT 43.09 7073 + Normal
05/20/2026 04 AM PDT 43.09 7073 0 Normal
05/20/2026 05 AM PDT 43.10 7086 + Normal
05/20/2026 06 AM PDT 43.10 7086 0 Normal
05/20/2026 07 AM PDT 43.10 7086 0 Normal
05/20/2026 08 AM PDT 43.10 7086 0 Normal
05/20/2026 09 AM PDT 43.10 7086 0 Normal
05/20/2026 10 AM PDT 43.10 7086 0 Normal
05/20/2026 11 AM PDT 43.10 7086 0 Normal
05/20/2026 12 PM PDT 43.10 7086 0 Normal
05/20/2026 01 PM PDT 43.11 7099 + Normal
05/20/2026 02 PM PDT 43.11 7099 0 Normal
05/20/2026 03 PM PDT 43.11 7099 0 Normal
05/20/2026 04 PM PDT 43.10 7086 - Normal
05/20/2026 05 PM PDT 43.10 7086 0 Normal
05/20/2026 06 PM PDT 43.10 7086 0 Normal
05/20/2026 07 PM PDT 43.10 7086 0 Normal
05/20/2026 08 PM PDT 43.10 7086 0 Normal
05/20/2026 09 PM PDT 43.10 7086 0 Normal
05/20/2026 10 PM PDT 43.10 7086 0 Normal
05/20/2026 11 PM PDT 43.11 7099 + Normal
05/21/2026 12 AM PDT 43.11 7099 0 Normal
05/21/2026 01 AM PDT 43.11 7099 0 Normal
05/21/2026 02 AM PDT 43.11 7099 0 Normal
05/21/2026 03 AM PDT 43.11 7099 0 Normal
05/21/2026 04 AM PDT 43.12 7112 + Normal
05/21/2026 05 AM PDT 43.12 7112 0 Normal
05/21/2026 06 AM PDT 43.12 7112 0 Normal
05/21/2026 07 AM PDT 43.13 7126 + Normal
05/21/2026 08 AM PDT 43.13 7126 0 Normal
05/21/2026 09 AM PDT 43.14 7139 + Normal
05/21/2026 10 AM PDT 43.14 7139 0 Normal
05/21/2026 11 AM PDT 43.15 7152 + Normal
05/21/2026 12 PM PDT 43.15 7152 0 Normal
05/21/2026 01 PM PDT 43.15 7152 0 Normal
05/21/2026 02 PM PDT 43.16 7165 + Normal
05/21/2026 03 PM PDT 43.16 7165 0 Normal
05/21/2026 04 PM PDT 43.16 7165 0 Normal
05/21/2026 05 PM PDT 43.16 7165 0 Normal
05/21/2026 06 PM PDT 43.17 7178 + Normal
05/21/2026 07 PM PDT 43.17 7178 0 Normal
05/21/2026 08 PM PDT 43.17 7178 0 Normal
05/21/2026 09 PM PDT 43.17 7178 0 Normal
05/21/2026 10 PM PDT 43.17 7178 0 Normal
05/21/2026 11 PM PDT 43.18 7191 + Normal
05/22/2026 12 AM PDT 43.18 7191 0 Normal
05/22/2026 01 AM PDT 43.18 7191 0 Normal
05/22/2026 02 AM PDT 43.18 7191 0 Normal
05/22/2026 03 AM PDT 43.18 7191 0 Normal
05/22/2026 04 AM PDT 43.18 7191 0 Normal
05/22/2026 05 AM PDT 43.18 7191 0 Normal
05/22/2026 06 AM PDT 43.18 7191 0 Normal
05/22/2026 07 AM PDT 43.18 7191 0 Normal
05/22/2026 08 AM PDT 43.18 7191 0 Normal
05/22/2026 09 AM PDT 43.18 7191 0 Normal
05/22/2026 10 AM PDT 43.18 7191 0 Normal
05/22/2026 11 AM PDT 43.18 7191 0 Normal
05/22/2026 12 PM PDT 43.18 7191 0 Normal
05/22/2026 01 PM PDT 43.18 7191 0 Normal
05/22/2026 02 PM PDT 43.18 7191 0 Normal
05/22/2026 03 PM PDT 43.18 7191 0 Normal
05/22/2026 04 PM PDT 43.18 7191 0 Normal
05/22/2026 05 PM PDT 43.18 7191 0 Normal
05/22/2026 06 PM PDT 43.18 7191 0 Normal
05/22/2026 07 PM PDT 43.18 7191 0 Normal
05/22/2026 08 PM PDT 43.18 7191 0 Normal
05/22/2026 09 PM PDT 43.18 7191 0 Normal
05/22/2026 10 PM PDT 43.18 7191 0 Normal
05/22/2026 11 PM PDT 43.18 7191 0 Normal
05/23/2026 12 AM PDT 43.18 7191 0 Normal
05/23/2026 01 AM PDT 43.18 7191 0 Normal
05/23/2026 02 AM PDT 43.18 7191 0 Normal
05/23/2026 03 AM PDT 43.18 7191 0 Normal
05/23/2026 04 AM PDT 43.18 7191 0 Normal
05/23/2026 05 AM PDT 43.17 7178 - Normal
05/23/2026 06 AM PDT 43.17 7178 0 Normal
05/23/2026 07 AM PDT 43.17 7178 0 Normal
05/23/2026 08 AM PDT 43.17 7178 0 Normal
05/23/2026 09 AM PDT 43.16 7165 - Normal
05/23/2026 10 AM PDT 43.16 7165 0 Normal
05/23/2026 11 AM PDT 43.16 7165 0 Normal
05/23/2026 12 PM PDT 43.15 7152 - Normal
05/23/2026 01 PM PDT 43.15 7152 0 Normal
05/23/2026 02 PM PDT 43.15 7152 0 Normal
05/23/2026 03 PM PDT 43.14 7139 - Normal
05/23/2026 04 PM PDT 43.14 7139 0 Normal
05/23/2026 05 PM PDT 43.13 7126 - Normal
05/23/2026 06 PM PDT 43.13 7126 0 Normal
05/23/2026 07 PM PDT 43.13 7126 0 Normal
05/23/2026 08 PM PDT 43.13 7126 0 Normal
05/23/2026 09 PM PDT 43.12 7112 - Normal
05/23/2026 10 PM PDT 43.12 7112 0 Normal
05/23/2026 11 PM PDT 43.12 7112 0 Normal
05/24/2026 12 AM PDT 43.12 7112 0 Normal
05/24/2026 01 AM PDT 43.12 7112 0 Normal
05/24/2026 02 AM PDT 43.11 7099 - Normal
05/24/2026 03 AM PDT 43.11 7099 0 Normal
05/24/2026 04 AM PDT 43.11 7099 0 Normal
05/24/2026 05 AM PDT 43.11 7099 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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