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SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
| Latitude: 39.75º N | Longitude: 122.00º W | Elevation: 125 Feet | | Forecast Type: Official Location |
| Location: Glenn County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento |
| Issuance Time: | Apr 08 2026 at 7:27 AM PDT | Next Issuance: | Apr 08 2026 at 3:00 PM PDT
| |
| Action/Monitor: 142.0 Feet | Minor Flood: 147.0 Feet | Moderate Flood: 149.2 Feet | Major Flood: 150.2 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River - Hamilton City (HAMC1)
#
# File Generation Time: 04/08/2026 at 07:27 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/03/2026 at 07:00 AM PDT
# Maximum Observed Stage: 128.58 Feet
# Maximum Observed Flow: 6827 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/12/2026 at 08:00 PM PDT
# Maximum Forecast Stage: 132.08 Feet
# Maximum Forecast Flow: 17825 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/03/2026 07 AM PDT 128.58 6827 Normal
04/03/2026 08 AM PDT 128.50 6632 - Normal
04/03/2026 09 AM PDT 128.50 6632 0 Normal
04/03/2026 10 AM PDT 128.47 6558 - Normal
04/03/2026 11 AM PDT 128.43 6460 - Normal
04/03/2026 12 PM PDT 128.38 6338 - Normal
04/03/2026 01 PM PDT 128.38 6338 0 Normal
04/03/2026 02 PM PDT 128.36 6289 - Normal
04/03/2026 03 PM PDT 128.35 6265 - Normal
04/03/2026 04 PM PDT 128.33 6216 - Normal
04/03/2026 05 PM PDT 128.32 6192 - Normal
04/03/2026 06 PM PDT 128.31 6168 - Normal
04/03/2026 07 PM PDT 128.31 6168 0 Normal
04/03/2026 08 PM PDT 128.29 6119 - Normal
04/03/2026 09 PM PDT 128.28 6095 - Normal
04/03/2026 10 PM PDT 128.26 6046 - Normal
04/03/2026 11 PM PDT 128.25 6022 - Normal
04/04/2026 12 AM PDT 128.25 6022 0 Normal
04/04/2026 01 AM PDT 128.25 6022 0 Normal
04/04/2026 02 AM PDT 128.26 6046 + Normal
04/04/2026 03 AM PDT 128.26 6046 0 Normal
04/04/2026 04 AM PDT 128.26 6046 0 Normal
04/04/2026 05 AM PDT 128.25 6022 - Normal
04/04/2026 06 AM PDT 128.25 6022 0 Normal
04/04/2026 07 AM PDT 128.24 5998 - Normal
04/04/2026 08 AM PDT 128.24 5998 0 Normal
04/04/2026 09 AM PDT 128.24 5998 0 Normal
04/04/2026 10 AM PDT 128.24 5998 0 Normal
04/04/2026 11 AM PDT 128.25 6022 + Normal
04/04/2026 12 PM PDT 128.25 6022 0 Normal
04/04/2026 01 PM PDT 128.25 6022 0 Normal
04/04/2026 02 PM PDT 128.25 6022 0 Normal
04/04/2026 03 PM PDT 128.25 6022 0 Normal
04/04/2026 04 PM PDT 128.24 5998 - Normal
04/04/2026 05 PM PDT 128.24 5998 0 Normal
04/04/2026 06 PM PDT 128.23 5974 - Normal
04/04/2026 07 PM PDT 128.21 5926 - Normal
04/04/2026 08 PM PDT 128.20 5902 - Normal
04/04/2026 09 PM PDT 128.19 5877 - Normal
04/04/2026 10 PM PDT 128.18 5853 - Normal
04/04/2026 11 PM PDT 128.16 5804 - Normal
04/05/2026 12 AM PDT 128.15 5780 - Normal
04/05/2026 01 AM PDT 128.14 5756 - Normal
04/05/2026 02 AM PDT 128.14 5756 0 Normal
04/05/2026 03 AM PDT 128.13 5732 - Normal
04/05/2026 04 AM PDT 128.13 5732 0 Normal
04/05/2026 05 AM PDT 128.13 5732 0 Normal
04/05/2026 06 AM PDT 128.12 5708 - Normal
04/05/2026 07 AM PDT 128.12 5708 0 Normal
04/05/2026 08 AM PDT 128.11 5684 - Normal
04/05/2026 09 AM PDT 128.11 5684 0 Normal
04/05/2026 10 AM PDT 128.11 5684 0 Normal
04/05/2026 11 AM PDT 128.11 5684 0 Normal
04/05/2026 12 PM PDT 128.11 5684 0 Normal
04/05/2026 01 PM PDT 128.12 5708 + Normal
04/05/2026 02 PM PDT 128.12 5708 0 Normal
04/05/2026 03 PM PDT 128.12 5708 0 Normal
04/05/2026 04 PM PDT 128.12 5708 0 Normal
04/05/2026 05 PM PDT 128.12 5708 0 Normal
04/05/2026 06 PM PDT 128.11 5684 - Normal
04/05/2026 07 PM PDT 128.10 5660 - Normal
04/05/2026 08 PM PDT 128.09 5636 - Normal
04/05/2026 09 PM PDT 128.09 5636 0 Normal
04/05/2026 10 PM PDT 128.08 5611 - Normal
04/05/2026 11 PM PDT 128.08 5611 0 Normal
04/06/2026 12 AM PDT 128.08 5611 0 Normal
04/06/2026 01 AM PDT 128.08 5611 0 Normal
04/06/2026 02 AM PDT 128.08 5611 0 Normal
04/06/2026 03 AM PDT 128.08 5611 0 Normal
04/06/2026 04 AM PDT 128.08 5611 0 Normal
04/06/2026 05 AM PDT 128.08 5611 0 Normal
04/06/2026 06 AM PDT 128.07 5587 - Normal
04/06/2026 07 AM PDT 128.07 5587 0 Normal
04/06/2026 08 AM PDT 128.07 5587 0 Normal
04/06/2026 09 AM PDT 128.07 5587 0 Normal
04/06/2026 10 AM PDT 128.07 5587 0 Normal
04/06/2026 11 AM PDT 128.07 5587 0 Normal
04/06/2026 12 PM PDT 128.07 5587 0 Normal
04/06/2026 01 PM PDT 128.08 5611 + Normal
04/06/2026 02 PM PDT 128.08 5611 0 Normal
04/06/2026 03 PM PDT 128.08 5611 0 Normal
04/06/2026 04 PM PDT 128.06 5563 - Normal
04/06/2026 05 PM PDT 128.06 5563 0 Normal
04/06/2026 06 PM PDT 128.05 5539 - Normal
04/06/2026 07 PM PDT 128.03 5491 - Normal
04/06/2026 08 PM PDT 128.01 5444 - Normal
04/06/2026 09 PM PDT 128.01 5444 0 Normal
04/06/2026 10 PM PDT 128.02 5467 + Normal
04/06/2026 11 PM PDT 128.02 5467 0 Normal
04/07/2026 12 AM PDT 128.04 5515 + Normal
04/07/2026 01 AM PDT 128.13 5732 + Normal
04/07/2026 02 AM PDT 128.19 5877 + Normal
04/07/2026 03 AM PDT 128.23 5974 + Normal
04/07/2026 04 AM PDT 128.25 6022 + Normal
04/07/2026 05 AM PDT 128.27 6070 + Normal
04/07/2026 06 AM PDT 128.28 6095 + Normal
04/07/2026 07 AM PDT 128.26 6046 - Normal
04/07/2026 08 AM PDT 128.25 6022 - Normal
04/07/2026 09 AM PDT 128.24 5998 - Normal
04/07/2026 10 AM PDT 128.24 5998 0 Normal
04/07/2026 11 AM PDT 128.23 5974 - Normal
04/07/2026 12 PM PDT 128.23 5974 0 Normal
04/07/2026 01 PM PDT 128.24 5998 + Normal
04/07/2026 02 PM PDT 128.24 5998 0 Normal
04/07/2026 03 PM PDT 128.25 6022 + Normal
04/07/2026 04 PM PDT 128.25 6022 0 Normal
04/07/2026 05 PM PDT 128.25 6022 0 Normal
04/07/2026 06 PM PDT 128.24 5998 - Normal
04/07/2026 07 PM PDT 128.23 5974 - Normal
04/07/2026 08 PM PDT 128.22 5950 - Normal
04/07/2026 09 PM PDT 128.22 5950 0 Normal
04/07/2026 10 PM PDT 128.21 5926 - Normal
04/07/2026 11 PM PDT 128.21 5926 0 Normal
04/08/2026 12 AM PDT 128.21 5926 0 Normal
04/08/2026 01 AM PDT 128.20 5902 - Normal
04/08/2026 02 AM PDT 128.20 5902 0 Normal
04/08/2026 03 AM PDT 128.20 5902 0 Normal
04/08/2026 04 AM PDT 128.20 5902 0 Normal
04/08/2026 05 AM PDT 128.19 5877 - Normal
04/08/2026 06 AM PDT 128.19 5877 0 Normal
04/08/2026 07 AM PDT 128.20 5902 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/08/2026 08 AM PDT 128.21 5926 Normal
04/08/2026 09 AM PDT 128.21 5926 0 Normal
04/08/2026 10 AM PDT 128.22 5950 + Normal
04/08/2026 11 AM PDT 128.21 5926 - Normal
04/08/2026 12 PM PDT 128.21 5926 0 Normal
04/08/2026 01 PM PDT 128.21 5926 0 Normal
04/08/2026 02 PM PDT 128.21 5926 0 Normal
04/08/2026 03 PM PDT 128.20 5902 - Normal
04/08/2026 04 PM PDT 128.20 5902 0 Normal
04/08/2026 05 PM PDT 128.20 5902 0 Normal
04/08/2026 06 PM PDT 128.21 5926 + Normal
04/08/2026 07 PM PDT 128.26 6046 + Normal
04/08/2026 08 PM PDT 128.35 6265 + Normal
04/08/2026 09 PM PDT 128.50 6632 + Normal
04/08/2026 10 PM PDT 128.69 7098 + Normal
04/08/2026 11 PM PDT 128.88 7568 + Normal
04/09/2026 12 AM PDT 129.08 8065 + Normal
04/09/2026 01 AM PDT 129.25 8489 + Normal
04/09/2026 02 AM PDT 129.41 8891 + Normal
04/09/2026 03 AM PDT 129.55 9244 + Normal
04/09/2026 04 AM PDT 129.67 9556 + Normal
04/09/2026 05 AM PDT 129.74 9776 + Normal
04/09/2026 06 AM PDT 129.79 9953 + Normal
04/09/2026 07 AM PDT 129.84 10132 + Normal
04/09/2026 08 AM PDT 129.87 10240 + Normal
04/09/2026 09 AM PDT 129.89 10313 + Normal
04/09/2026 10 AM PDT 129.91 10383 + Normal
04/09/2026 11 AM PDT 129.93 10448 + Normal
04/09/2026 12 PM PDT 129.94 10481 + Normal
04/09/2026 01 PM PDT 129.95 10514 + Normal
04/09/2026 02 PM PDT 129.97 10580 + Normal
04/09/2026 03 PM PDT 129.98 10613 + Normal
04/09/2026 04 PM PDT 129.99 10647 + Normal
04/09/2026 05 PM PDT 130.00 10680 + Normal
04/09/2026 06 PM PDT 130.00 10680 0 Normal
04/09/2026 07 PM PDT 130.01 10712 + Normal
04/09/2026 08 PM PDT 130.01 10712 0 Normal
04/09/2026 09 PM PDT 130.02 10743 + Normal
04/09/2026 10 PM PDT 130.02 10743 0 Normal
04/09/2026 11 PM PDT 130.02 10743 0 Normal
04/10/2026 12 AM PDT 130.01 10712 - Normal
04/10/2026 01 AM PDT 130.01 10712 0 Normal
04/10/2026 02 AM PDT 130.01 10712 0 Normal
04/10/2026 03 AM PDT 130.01 10712 0 Normal
04/10/2026 04 AM PDT 130.00 10680 - Normal
04/10/2026 05 AM PDT 130.00 10680 0 Normal
04/10/2026 06 AM PDT 130.00 10680 0 Normal
04/10/2026 07 AM PDT 130.00 10680 0 Normal
04/10/2026 08 AM PDT 130.01 10712 + Normal
04/10/2026 09 AM PDT 130.01 10712 0 Normal
04/10/2026 10 AM PDT 130.02 10743 + Normal
04/10/2026 11 AM PDT 130.03 10775 + Normal
04/10/2026 12 PM PDT 130.04 10807 + Normal
04/10/2026 01 PM PDT 130.06 10871 + Normal
04/10/2026 02 PM PDT 130.08 10935 + Normal
04/10/2026 03 PM PDT 130.09 10968 + Normal
04/10/2026 04 PM PDT 130.11 11031 + Normal
04/10/2026 05 PM PDT 130.13 11092 + Normal
04/10/2026 06 PM PDT 130.15 11154 + Normal
04/10/2026 07 PM PDT 130.16 11185 + Normal
04/10/2026 08 PM PDT 130.17 11216 + Normal
04/10/2026 09 PM PDT 130.18 11247 + Normal
04/10/2026 10 PM PDT 130.18 11247 0 Normal
04/10/2026 11 PM PDT 130.19 11279 + Normal
04/11/2026 12 AM PDT 130.19 11279 0 Normal
04/11/2026 01 AM PDT 130.19 11279 0 Normal
04/11/2026 02 AM PDT 130.19 11279 0 Normal
04/11/2026 03 AM PDT 130.19 11279 0 Normal
04/11/2026 04 AM PDT 130.19 11279 0 Normal
04/11/2026 05 AM PDT 130.20 11310 + Normal
04/11/2026 06 AM PDT 130.21 11342 + Normal
04/11/2026 07 AM PDT 130.22 11373 + Normal
04/11/2026 08 AM PDT 130.24 11437 + Normal
04/11/2026 09 AM PDT 130.26 11501 + Normal
04/11/2026 10 AM PDT 130.28 11565 + Normal
04/11/2026 11 AM PDT 130.30 11630 + Normal
04/11/2026 12 PM PDT 130.32 11695 + Normal
04/11/2026 01 PM PDT 130.34 11761 + Normal
04/11/2026 02 PM PDT 130.36 11827 + Normal
04/11/2026 03 PM PDT 130.38 11893 + Normal
04/11/2026 04 PM PDT 130.41 11992 + Normal
04/11/2026 05 PM PDT 130.44 12087 + Normal
04/11/2026 06 PM PDT 130.46 12151 + Normal
04/11/2026 07 PM PDT 130.49 12248 + Normal
04/11/2026 08 PM PDT 130.52 12345 + Normal
04/11/2026 09 PM PDT 130.54 12411 + Normal
04/11/2026 10 PM PDT 130.57 12510 + Normal
04/11/2026 11 PM PDT 130.59 12577 + Normal
04/12/2026 12 AM PDT 130.62 12675 + Normal
04/12/2026 01 AM PDT 130.64 12741 + Normal
04/12/2026 02 AM PDT 130.68 12873 + Normal
04/12/2026 03 AM PDT 130.72 13007 + Normal
04/12/2026 04 AM PDT 130.77 13177 + Normal
04/12/2026 05 AM PDT 130.84 13415 + Normal
04/12/2026 06 AM PDT 130.91 13654 + Normal
04/12/2026 07 AM PDT 131.00 13960 + Normal
04/12/2026 08 AM PDT 131.11 14335 + Normal
04/12/2026 09 AM PDT 131.22 14719 + Normal
04/12/2026 10 AM PDT 131.35 15174 + Normal
04/12/2026 11 AM PDT 131.48 15637 + Normal
04/12/2026 12 PM PDT 131.60 16070 + Normal
04/12/2026 01 PM PDT 131.72 16501 + Normal
04/12/2026 02 PM PDT 131.82 16863 + Normal
04/12/2026 03 PM PDT 131.90 17160 + Normal
04/12/2026 04 PM PDT 131.97 17418 + Normal
04/12/2026 05 PM PDT 132.02 17603 + Normal
04/12/2026 06 PM PDT 132.05 17714 + Normal
04/12/2026 07 PM PDT 132.07 17788 + Normal
04/12/2026 08 PM PDT 132.08 17825 + Normal
04/12/2026 09 PM PDT 132.07 17788 - Normal
04/12/2026 10 PM PDT 132.05 17714 - Normal
04/12/2026 11 PM PDT 132.02 17603 - Normal
04/13/2026 12 AM PDT 131.97 17418 - Normal
04/13/2026 01 AM PDT 131.91 17197 - Normal
04/13/2026 02 AM PDT 131.85 16974 - Normal
04/13/2026 03 AM PDT 131.78 16717 - Normal
04/13/2026 04 AM PDT 131.71 16466 - Normal
04/13/2026 05 AM PDT 131.64 16213 - 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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