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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 09 2026 at 7:19 AM PDT | Next Issuance: | Apr 09 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: 04/09/2026 at 07:19 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/09/2026 at 07:00 AM PDT
# Maximum Observed Stage: 129.71 Feet
# Maximum Observed Flow: 9672 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/12/2026 at 07:00 PM PDT
# Maximum Forecast Stage: 133.19 Feet
# Maximum Forecast Flow: 22120 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
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
04/08/2026 08 AM PDT 128.20 5902 0 Normal
04/08/2026 09 AM PDT 128.22 5950 + Normal
04/08/2026 10 AM PDT 128.28 6095 + Normal
04/08/2026 11 AM PDT 128.22 5950 - Normal
04/08/2026 12 PM PDT 128.17 5828 - Normal
04/08/2026 01 PM PDT 128.15 5780 - Normal
04/08/2026 02 PM PDT 128.15 5780 0 Normal
04/08/2026 03 PM PDT 128.18 5853 + Normal
04/08/2026 04 PM PDT 128.20 5902 + Normal
04/08/2026 05 PM PDT 128.20 5902 0 Normal
04/08/2026 06 PM PDT 128.20 5902 0 Normal
04/08/2026 07 PM PDT 128.20 5902 0 Normal
04/08/2026 08 PM PDT 128.24 5998 + Normal
04/08/2026 09 PM PDT 128.33 6216 + Normal
04/08/2026 10 PM PDT 128.54 6729 + Normal
04/08/2026 11 PM PDT 128.83 7444 + Normal
04/09/2026 12 AM PDT 129.10 8115 + Normal
04/09/2026 01 AM PDT 129.31 8640 + Normal
04/09/2026 02 AM PDT 129.45 8991 + Normal
04/09/2026 03 AM PDT 129.54 9218 + Normal
04/09/2026 04 AM PDT 129.60 9371 + Normal
04/09/2026 05 AM PDT 129.63 9450 + Normal
04/09/2026 06 AM PDT 129.68 9583 + Normal
04/09/2026 07 AM PDT 129.71 9672 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/09/2026 08 AM PDT 129.74 9776 Normal
04/09/2026 09 AM PDT 129.76 9847 + Normal
04/09/2026 10 AM PDT 129.78 9918 + Normal
04/09/2026 11 AM PDT 129.80 9989 + Normal
04/09/2026 12 PM PDT 129.82 10060 + Normal
04/09/2026 01 PM PDT 129.83 10096 + Normal
04/09/2026 02 PM PDT 129.84 10132 + Normal
04/09/2026 03 PM PDT 129.85 10168 + Normal
04/09/2026 04 PM PDT 129.86 10204 + Normal
04/09/2026 05 PM PDT 129.86 10204 0 Normal
04/09/2026 06 PM PDT 129.87 10240 + Normal
04/09/2026 07 PM PDT 129.87 10240 0 Normal
04/09/2026 08 PM PDT 129.87 10240 0 Normal
04/09/2026 09 PM PDT 129.87 10240 0 Normal
04/09/2026 10 PM PDT 129.87 10240 0 Normal
04/09/2026 11 PM PDT 129.87 10240 0 Normal
04/10/2026 12 AM PDT 129.87 10240 0 Normal
04/10/2026 01 AM PDT 129.87 10240 0 Normal
04/10/2026 02 AM PDT 129.87 10240 0 Normal
04/10/2026 03 AM PDT 129.87 10240 0 Normal
04/10/2026 04 AM PDT 129.87 10240 0 Normal
04/10/2026 05 AM PDT 129.87 10240 0 Normal
04/10/2026 06 AM PDT 129.87 10240 0 Normal
04/10/2026 07 AM PDT 129.88 10277 + Normal
04/10/2026 08 AM PDT 129.89 10313 + Normal
04/10/2026 09 AM PDT 129.90 10350 + Normal
04/10/2026 10 AM PDT 129.92 10415 + Normal
04/10/2026 11 AM PDT 129.94 10481 + Normal
04/10/2026 12 PM PDT 129.96 10547 + Normal
04/10/2026 01 PM PDT 129.98 10613 + Normal
04/10/2026 02 PM PDT 130.00 10680 + Normal
04/10/2026 03 PM PDT 130.01 10712 + Normal
04/10/2026 04 PM PDT 130.02 10743 + Normal
04/10/2026 05 PM PDT 130.03 10775 + Normal
04/10/2026 06 PM PDT 130.03 10775 0 Normal
04/10/2026 07 PM PDT 130.04 10807 + Normal
04/10/2026 08 PM PDT 130.04 10807 0 Normal
04/10/2026 09 PM PDT 130.04 10807 0 Normal
04/10/2026 10 PM PDT 130.04 10807 0 Normal
04/10/2026 11 PM PDT 130.04 10807 0 Normal
04/11/2026 12 AM PDT 130.04 10807 0 Normal
04/11/2026 01 AM PDT 130.04 10807 0 Normal
04/11/2026 02 AM PDT 130.05 10839 + Normal
04/11/2026 03 AM PDT 130.05 10839 0 Normal
04/11/2026 04 AM PDT 130.06 10871 + Normal
04/11/2026 05 AM PDT 130.08 10935 + Normal
04/11/2026 06 AM PDT 130.09 10968 + Normal
04/11/2026 07 AM PDT 130.11 11031 + Normal
04/11/2026 08 AM PDT 130.13 11092 + Normal
04/11/2026 09 AM PDT 130.15 11154 + Normal
04/11/2026 10 AM PDT 130.18 11247 + Normal
04/11/2026 11 AM PDT 130.20 11310 + Normal
04/11/2026 12 PM PDT 130.22 11373 + Normal
04/11/2026 01 PM PDT 130.25 11469 + Normal
04/11/2026 02 PM PDT 130.26 11501 + Normal
04/11/2026 03 PM PDT 130.28 11565 + Normal
04/11/2026 04 PM PDT 130.29 11598 + Normal
04/11/2026 05 PM PDT 130.31 11663 + Normal
04/11/2026 06 PM PDT 130.33 11728 + Normal
04/11/2026 07 PM PDT 130.35 11794 + Normal
04/11/2026 08 PM PDT 130.37 11860 + Normal
04/11/2026 09 PM PDT 130.40 11960 + Normal
04/11/2026 10 PM PDT 130.44 12087 + Normal
04/11/2026 11 PM PDT 130.48 12215 + Normal
04/12/2026 12 AM PDT 130.53 12378 + Normal
04/12/2026 01 AM PDT 130.60 12610 + Normal
04/12/2026 02 AM PDT 130.69 12907 + Normal
04/12/2026 03 AM PDT 130.81 13314 + Normal
04/12/2026 04 AM PDT 130.96 13823 + Normal
04/12/2026 05 AM PDT 131.13 14404 + Normal
04/12/2026 06 AM PDT 131.31 15035 + Normal
04/12/2026 07 AM PDT 131.50 15710 + Normal
04/12/2026 08 AM PDT 131.69 16394 + Normal
04/12/2026 09 AM PDT 131.89 17123 + Normal
04/12/2026 10 AM PDT 132.09 17863 + Normal
04/12/2026 11 AM PDT 132.29 18612 + Normal
04/12/2026 12 PM PDT 132.46 19257 + Normal
04/12/2026 01 PM PDT 132.63 19916 + Normal
04/12/2026 02 PM PDT 132.77 20462 + Normal
04/12/2026 03 PM PDT 132.91 21009 + Normal
04/12/2026 04 PM PDT 133.02 21439 + Normal
04/12/2026 05 PM PDT 133.10 21760 + Normal
04/12/2026 06 PM PDT 133.16 21999 + Normal
04/12/2026 07 PM PDT 133.19 22120 + Normal
04/12/2026 08 PM PDT 133.18 22079 - Normal
04/12/2026 09 PM PDT 133.15 21959 - Normal
04/12/2026 10 PM PDT 133.10 21760 - Normal
04/12/2026 11 PM PDT 133.05 21559 - Normal
04/13/2026 12 AM PDT 133.00 21360 - Normal
04/13/2026 01 AM PDT 132.97 21242 - Normal
04/13/2026 02 AM PDT 132.96 21203 - Normal
04/13/2026 03 AM PDT 132.95 21164 - Normal
04/13/2026 04 AM PDT 132.96 21203 + Normal
04/13/2026 05 AM PDT 132.96 21203 0 Normal
04/13/2026 06 AM PDT 132.95 21164 - Normal
04/13/2026 07 AM PDT 132.93 21086 - Normal
04/13/2026 08 AM PDT 132.88 20891 - Normal
04/13/2026 09 AM PDT 132.83 20696 - Normal
04/13/2026 10 AM PDT 132.77 20462 - Normal
04/13/2026 11 AM PDT 132.70 20190 - Normal
04/13/2026 12 PM PDT 132.63 19916 - Normal
04/13/2026 01 PM PDT 132.56 19643 - Normal
04/13/2026 02 PM PDT 132.49 19372 - Normal
04/13/2026 03 PM PDT 132.40 19030 - Normal
04/13/2026 04 PM PDT 132.30 18650 - Normal
04/13/2026 05 PM PDT 132.20 18270 - Normal
04/13/2026 06 PM PDT 132.09 17863 - Normal
04/13/2026 07 PM PDT 131.97 17418 - Normal
04/13/2026 08 PM PDT 131.85 16974 - Normal
04/13/2026 09 PM PDT 131.73 16537 - Normal
04/13/2026 10 PM PDT 131.62 16141 - Normal
04/13/2026 11 PM PDT 131.50 15710 - Normal
04/14/2026 12 AM PDT 131.39 15315 - Normal
04/14/2026 01 AM PDT 131.28 14929 - Normal
04/14/2026 02 AM PDT 131.18 14579 - Normal
04/14/2026 03 AM PDT 131.09 14266 - Normal
04/14/2026 04 AM PDT 131.00 13960 - Normal
04/14/2026 05 AM PDT 130.92 13687 - 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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