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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 12 2026 at 7:59 AM PDT | Next Issuance: | Apr 13 2026 at 9:00 AM PDT
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| 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: 04/12/2026 at 07:59 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/12/2026 at 07:00 AM PDT
# Maximum Observed Stage: 130.37 Feet
# Maximum Observed Flow: 11860 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/12/2026 at 06:00 PM PDT
# Maximum Forecast Stage: 130.81 Feet
# Maximum Forecast Flow: 13314 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
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 129.66 9530 + Normal
04/09/2026 07 AM PDT 129.68 9583 + Normal
04/09/2026 08 AM PDT 129.71 9672 + Normal
04/09/2026 09 AM PDT 129.73 9741 + Normal
04/09/2026 10 AM PDT 129.74 9776 + Normal
04/09/2026 11 AM PDT 129.76 9847 + Normal
04/09/2026 12 PM PDT 129.77 9882 + Normal
04/09/2026 01 PM PDT 129.78 9918 + Normal
04/09/2026 02 PM PDT 129.79 9953 + Normal
04/09/2026 03 PM PDT 129.78 9918 - Normal
04/09/2026 04 PM PDT 129.78 9918 0 Normal
04/09/2026 05 PM PDT 129.76 9847 - Normal
04/09/2026 06 PM PDT 129.77 9882 + Normal
04/09/2026 07 PM PDT 129.77 9882 0 Normal
04/09/2026 08 PM PDT 129.77 9882 0 Normal
04/09/2026 09 PM PDT 129.78 9918 + Normal
04/09/2026 10 PM PDT 129.80 9989 + Normal
04/09/2026 11 PM PDT 129.81 10025 + Normal
04/10/2026 12 AM PDT 129.80 9989 - Normal
04/10/2026 01 AM PDT 129.84 10132 + Normal
04/10/2026 02 AM PDT 129.85 10168 + Normal
04/10/2026 03 AM PDT 129.83 10096 - Normal
04/10/2026 04 AM PDT 129.86 10204 + Normal
04/10/2026 05 AM PDT 129.86 10204 0 Normal
04/10/2026 06 AM PDT 129.86 10204 0 Normal
04/10/2026 07 AM PDT 129.85 10168 - Normal
04/10/2026 08 AM PDT 129.86 10204 + Normal
04/10/2026 09 AM PDT 129.87 10240 + Normal
04/10/2026 10 AM PDT 129.87 10240 0 Normal
04/10/2026 11 AM PDT 129.88 10277 + Normal
04/10/2026 12 PM PDT 129.89 10313 + Normal
04/10/2026 01 PM PDT 129.88 10277 - Normal
04/10/2026 02 PM PDT 129.88 10277 0 Normal
04/10/2026 03 PM PDT 129.90 10350 + Normal
04/10/2026 04 PM PDT 129.88 10277 - Normal
04/10/2026 05 PM PDT 129.91 10383 + Normal
04/10/2026 06 PM PDT 129.97 10580 + Normal
04/10/2026 07 PM PDT 129.98 10613 + Normal
04/10/2026 08 PM PDT 129.97 10580 - Normal
04/10/2026 09 PM PDT 129.96 10547 - Normal
04/10/2026 10 PM PDT 129.97 10580 + Normal
04/10/2026 11 PM PDT 129.99 10647 + Normal
04/11/2026 12 AM PDT 130.02 10743 + Normal
04/11/2026 01 AM PDT 130.02 10743 0 Normal
04/11/2026 02 AM PDT 130.03 10775 + Normal
04/11/2026 03 AM PDT 129.99 10647 - Normal
04/11/2026 04 AM PDT 130.00 10680 + Normal
04/11/2026 05 AM PDT 130.00 10680 0 Normal
04/11/2026 06 AM PDT 129.99 10647 - Normal
04/11/2026 07 AM PDT 129.99 10647 0 Normal
04/11/2026 08 AM PDT 129.99 10647 0 Normal
04/11/2026 09 AM PDT 130.01 10712 + Normal
04/11/2026 10 AM PDT 130.00 10680 - Normal
04/11/2026 11 AM PDT 130.01 10712 + Normal
04/11/2026 12 PM PDT 130.00 10680 - Normal
04/11/2026 01 PM PDT 130.02 10743 + Normal
04/11/2026 02 PM PDT 130.04 10807 + Normal
04/11/2026 03 PM PDT 130.00 10680 - Normal
04/11/2026 04 PM PDT 130.02 10743 + Normal
04/11/2026 05 PM PDT 130.03 10775 + Normal
04/11/2026 06 PM PDT 130.07 10903 + Normal
04/11/2026 07 PM PDT 130.13 11092 + Normal
04/11/2026 08 PM PDT 130.16 11185 + Normal
04/11/2026 09 PM PDT 130.18 11247 + Normal
04/11/2026 10 PM PDT 130.19 11279 + Normal
04/11/2026 11 PM PDT 130.20 11310 + Normal
04/12/2026 12 AM PDT 130.24 11437 + Normal
04/12/2026 01 AM PDT 130.25 11469 + Normal
04/12/2026 02 AM PDT 130.26 11501 + Normal
04/12/2026 03 AM PDT 130.28 11565 + Normal
04/12/2026 04 AM PDT 130.30 11630 + Normal
04/12/2026 05 AM PDT 130.30 11630 0 Normal
04/12/2026 06 AM PDT 130.33 11728 + Normal
04/12/2026 07 AM PDT 130.37 11860 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/12/2026 08 AM PDT 130.41 11992 Normal
04/12/2026 09 AM PDT 130.48 12215 + Normal
04/12/2026 10 AM PDT 130.54 12411 + Normal
04/12/2026 11 AM PDT 130.61 12643 + Normal
04/12/2026 12 PM PDT 130.67 12840 + Normal
04/12/2026 01 PM PDT 130.72 13007 + Normal
04/12/2026 02 PM PDT 130.75 13109 + Normal
04/12/2026 03 PM PDT 130.78 13211 + Normal
04/12/2026 04 PM PDT 130.79 13246 + Normal
04/12/2026 05 PM PDT 130.80 13280 + Normal
04/12/2026 06 PM PDT 130.81 13314 + Normal
04/12/2026 07 PM PDT 130.81 13314 0 Normal
04/12/2026 08 PM PDT 130.81 13314 0 Normal
04/12/2026 09 PM PDT 130.80 13280 - Normal
04/12/2026 10 PM PDT 130.78 13211 - Normal
04/12/2026 11 PM PDT 130.75 13109 - Normal
04/13/2026 12 AM PDT 130.72 13007 - Normal
04/13/2026 01 AM PDT 130.69 12907 - Normal
04/13/2026 02 AM PDT 130.66 12807 - Normal
04/13/2026 03 AM PDT 130.64 12741 - Normal
04/13/2026 04 AM PDT 130.62 12675 - Normal
04/13/2026 05 AM PDT 130.61 12643 - Normal
04/13/2026 06 AM PDT 130.60 12610 - Normal
04/13/2026 07 AM PDT 130.60 12610 0 Normal
04/13/2026 08 AM PDT 130.61 12643 + Normal
04/13/2026 09 AM PDT 130.63 12708 + Normal
04/13/2026 10 AM PDT 130.64 12741 + Normal
04/13/2026 11 AM PDT 130.66 12807 + Normal
04/13/2026 12 PM PDT 130.68 12873 + Normal
04/13/2026 01 PM PDT 130.69 12907 + Normal
04/13/2026 02 PM PDT 130.70 12940 + Normal
04/13/2026 03 PM PDT 130.69 12907 - Normal
04/13/2026 04 PM PDT 130.68 12873 - Normal
04/13/2026 05 PM PDT 130.66 12807 - Normal
04/13/2026 06 PM PDT 130.63 12708 - Normal
04/13/2026 07 PM PDT 130.59 12577 - Normal
04/13/2026 08 PM PDT 130.55 12444 - Normal
04/13/2026 09 PM PDT 130.51 12313 - Normal
04/13/2026 10 PM PDT 130.46 12151 - Normal
04/13/2026 11 PM PDT 130.40 11960 - Normal
04/14/2026 12 AM PDT 130.35 11794 - Normal
04/14/2026 01 AM PDT 130.29 11598 - Normal
04/14/2026 02 AM PDT 130.24 11437 - Normal
04/14/2026 03 AM PDT 130.19 11279 - Normal
04/14/2026 04 AM PDT 130.14 11123 - Normal
04/14/2026 05 AM PDT 130.10 11000 - Normal
04/14/2026 06 AM PDT 130.06 10871 - Normal
04/14/2026 07 AM PDT 130.03 10775 - Normal
04/14/2026 08 AM PDT 129.99 10647 - Normal
04/14/2026 09 AM PDT 129.97 10580 - Normal
04/14/2026 10 AM PDT 129.94 10481 - Normal
04/14/2026 11 AM PDT 129.92 10415 - Normal
04/14/2026 12 PM PDT 129.90 10350 - Normal
04/14/2026 01 PM PDT 129.88 10277 - Normal
04/14/2026 02 PM PDT 129.86 10204 - Normal
04/14/2026 03 PM PDT 129.85 10168 - Normal
04/14/2026 04 PM PDT 129.84 10132 - Normal
04/14/2026 05 PM PDT 129.82 10060 - Normal
04/14/2026 06 PM PDT 129.81 10025 - Normal
04/14/2026 07 PM PDT 129.78 9918 - Normal
04/14/2026 08 PM PDT 129.75 9811 - Normal
04/14/2026 09 PM PDT 129.71 9672 - Normal
04/14/2026 10 PM PDT 129.64 9477 - Normal
04/14/2026 11 PM PDT 129.57 9294 - Normal
04/15/2026 12 AM PDT 129.50 9118 - Normal
04/15/2026 01 AM PDT 129.43 8941 - Normal
04/15/2026 02 AM PDT 129.37 8790 - Normal
04/15/2026 03 AM PDT 129.31 8640 - Normal
04/15/2026 04 AM PDT 129.26 8514 - Normal
04/15/2026 05 AM PDT 129.22 8414 - Normal
04/15/2026 06 AM PDT 129.19 8340 - Normal
04/15/2026 07 AM PDT 129.16 8264 - Normal
04/15/2026 08 AM PDT 129.14 8214 - Normal
04/15/2026 09 AM PDT 129.12 8164 - Normal
04/15/2026 10 AM PDT 129.11 8140 - Normal
04/15/2026 11 AM PDT 129.10 8115 - Normal
04/15/2026 12 PM PDT 129.09 8090 - Normal
04/15/2026 01 PM PDT 129.09 8090 0 Normal
04/15/2026 02 PM PDT 129.09 8090 0 Normal
04/15/2026 03 PM PDT 129.09 8090 0 Normal
04/15/2026 04 PM PDT 129.09 8090 0 Normal
04/15/2026 05 PM PDT 129.10 8115 + Normal
04/15/2026 06 PM PDT 129.10 8115 0 Normal
04/15/2026 07 PM PDT 129.10 8115 0 Normal
04/15/2026 08 PM PDT 129.10 8115 0 Normal
04/15/2026 09 PM PDT 129.10 8115 0 Normal
04/15/2026 10 PM PDT 129.11 8140 + Normal
04/15/2026 11 PM PDT 129.11 8140 0 Normal
04/16/2026 12 AM PDT 129.11 8140 0 Normal
04/16/2026 01 AM PDT 129.11 8140 0 Normal
04/16/2026 02 AM PDT 129.11 8140 0 Normal
04/16/2026 03 AM PDT 129.10 8115 - Normal
04/16/2026 04 AM PDT 129.10 8115 0 Normal
04/16/2026 05 AM PDT 129.10 8115 0 Normal
04/16/2026 06 AM PDT 129.10 8115 0 Normal
04/16/2026 07 AM PDT 129.11 8140 + Normal
04/16/2026 08 AM PDT 129.11 8140 0 Normal
04/16/2026 09 AM PDT 129.11 8140 0 Normal
04/16/2026 10 AM PDT 129.12 8164 + Normal
04/16/2026 11 AM PDT 129.13 8189 + Normal
04/16/2026 12 PM PDT 129.14 8214 + Normal
04/16/2026 01 PM PDT 129.15 8239 + Normal
04/16/2026 02 PM PDT 129.17 8289 + Normal
04/16/2026 03 PM PDT 129.19 8340 + Normal
04/16/2026 04 PM PDT 129.21 8390 + Normal
04/16/2026 05 PM PDT 129.23 8439 + Normal
04/16/2026 06 PM PDT 129.25 8489 + Normal
04/16/2026 07 PM PDT 129.27 8539 + Normal
04/16/2026 08 PM PDT 129.28 8564 + Normal
04/16/2026 09 PM PDT 129.29 8590 + Normal
04/16/2026 10 PM PDT 129.30 8615 + Normal
04/16/2026 11 PM PDT 129.30 8615 0 Normal
04/17/2026 12 AM PDT 129.29 8590 - Normal
04/17/2026 01 AM PDT 129.29 8590 0 Normal
04/17/2026 02 AM PDT 129.28 8564 - Normal
04/17/2026 03 AM PDT 129.27 8539 - Normal
04/17/2026 04 AM PDT 129.26 8514 - Normal
04/17/2026 05 AM PDT 129.25 8489 - 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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