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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: | May 03 2026 at 7:37 AM PDT | Next Issuance: | May 04 2026 at 9:00 AM 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: 05/03/2026 at 07:37 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/28/2026 at 07:00 AM PDT
# Maximum Observed Stage: 129.36 Feet
# Maximum Observed Flow: 8765 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/06/2026 at 04:00 AM PDT
# Maximum Forecast Stage: 128.94 Feet
# Maximum Forecast Flow: 7716 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/28/2026 07 AM PDT 129.36 8765 Normal
04/28/2026 08 AM PDT 129.35 8740 - Normal
04/28/2026 09 AM PDT 129.34 8715 - Normal
04/28/2026 10 AM PDT 129.32 8665 - Normal
04/28/2026 11 AM PDT 129.30 8615 - Normal
04/28/2026 12 PM PDT 129.27 8539 - Normal
04/28/2026 01 PM PDT 129.26 8514 - Normal
04/28/2026 02 PM PDT 129.24 8464 - Normal
04/28/2026 03 PM PDT 129.22 8414 - Normal
04/28/2026 04 PM PDT 129.20 8365 - Normal
04/28/2026 05 PM PDT 129.18 8314 - Normal
04/28/2026 06 PM PDT 129.16 8264 - Normal
04/28/2026 07 PM PDT 129.14 8214 - Normal
04/28/2026 08 PM PDT 129.13 8189 - Normal
04/28/2026 09 PM PDT 129.11 8140 - Normal
04/28/2026 10 PM PDT 129.10 8115 - Normal
04/28/2026 11 PM PDT 129.09 8090 - Normal
04/29/2026 12 AM PDT 129.08 8065 - Normal
04/29/2026 01 AM PDT 129.08 8065 0 Normal
04/29/2026 02 AM PDT 129.07 8040 - Normal
04/29/2026 03 AM PDT 129.07 8040 0 Normal
04/29/2026 04 AM PDT 129.06 8014 - Normal
04/29/2026 05 AM PDT 129.05 7990 - Normal
04/29/2026 06 AM PDT 129.05 7990 0 Normal
04/29/2026 07 AM PDT 129.06 8014 + Normal
04/29/2026 08 AM PDT 129.05 7990 - Normal
04/29/2026 09 AM PDT 129.05 7990 0 Normal
04/29/2026 10 AM PDT 129.05 7990 0 Normal
04/29/2026 11 AM PDT 129.04 7965 - Normal
04/29/2026 12 PM PDT 129.04 7965 0 Normal
04/29/2026 01 PM PDT 129.03 7940 - Normal
04/29/2026 02 PM PDT 129.01 7891 - Normal
04/29/2026 03 PM PDT 129.01 7891 0 Normal
04/29/2026 04 PM PDT 129.00 7866 - Normal
04/29/2026 05 PM PDT 128.98 7816 - Normal
04/29/2026 06 PM PDT 128.98 7816 0 Normal
04/29/2026 07 PM PDT 128.96 7766 - Normal
04/29/2026 08 PM PDT 128.96 7766 0 Normal
04/29/2026 09 PM PDT 128.95 7741 - Normal
04/29/2026 10 PM PDT 128.95 7741 0 Normal
04/29/2026 11 PM PDT 128.94 7716 - Normal
04/30/2026 12 AM PDT 128.94 7716 0 Normal
04/30/2026 01 AM PDT 128.94 7716 0 Normal
04/30/2026 02 AM PDT 128.93 7692 - Normal
04/30/2026 03 AM PDT 128.93 7692 0 Normal
04/30/2026 04 AM PDT 128.92 7667 - Normal
04/30/2026 05 AM PDT 128.93 7692 + Normal
04/30/2026 06 AM PDT 128.93 7692 0 Normal
04/30/2026 07 AM PDT 128.93 7692 0 Normal
04/30/2026 08 AM PDT 128.94 7716 + Normal
04/30/2026 09 AM PDT 128.95 7741 + Normal
04/30/2026 10 AM PDT 128.96 7766 + Normal
04/30/2026 11 AM PDT 128.96 7766 0 Normal
04/30/2026 12 PM PDT 128.96 7766 0 Normal
04/30/2026 01 PM PDT 128.96 7766 0 Normal
04/30/2026 02 PM PDT 128.95 7741 - Normal
04/30/2026 03 PM PDT 128.93 7692 - Normal
04/30/2026 04 PM PDT 128.91 7642 - Normal
04/30/2026 05 PM PDT 128.89 7593 - Normal
04/30/2026 06 PM PDT 128.87 7543 - Normal
04/30/2026 07 PM PDT 128.85 7493 - Normal
04/30/2026 08 PM PDT 128.83 7444 - Normal
04/30/2026 09 PM PDT 128.82 7419 - Normal
04/30/2026 10 PM PDT 128.81 7394 - Normal
04/30/2026 11 PM PDT 128.81 7394 0 Normal
05/01/2026 12 AM PDT 128.80 7370 - Normal
05/01/2026 01 AM PDT 128.80 7370 0 Normal
05/01/2026 02 AM PDT 128.80 7370 0 Normal
05/01/2026 03 AM PDT 128.79 7345 - Normal
05/01/2026 04 AM PDT 128.79 7345 0 Normal
05/01/2026 05 AM PDT 128.78 7320 - Normal
05/01/2026 06 AM PDT 128.78 7320 0 Normal
05/01/2026 07 AM PDT 128.78 7320 0 Normal
05/01/2026 08 AM PDT 128.78 7320 0 Normal
05/01/2026 09 AM PDT 128.79 7345 + Normal
05/01/2026 10 AM PDT 128.79 7345 0 Normal
05/01/2026 11 AM PDT 128.79 7345 0 Normal
05/01/2026 12 PM PDT 128.78 7320 - Normal
05/01/2026 01 PM PDT 128.78 7320 0 Normal
05/01/2026 02 PM PDT 128.77 7295 - Normal
05/01/2026 03 PM PDT 128.76 7270 - Normal
05/01/2026 04 PM PDT 128.76 7270 0 Normal
05/01/2026 05 PM PDT 128.75 7245 - Normal
05/01/2026 06 PM PDT 128.74 7221 - Normal
05/01/2026 07 PM PDT 128.73 7196 - Normal
05/01/2026 08 PM PDT 128.73 7196 0 Normal
05/01/2026 09 PM PDT 128.72 7172 - Normal
05/01/2026 10 PM PDT 128.71 7147 - Normal
05/01/2026 11 PM PDT 128.70 7123 - Normal
05/02/2026 12 AM PDT 128.67 7048 - Normal
05/02/2026 01 AM PDT 128.67 7048 0 Normal
05/02/2026 02 AM PDT 128.66 7024 - Normal
05/02/2026 03 AM PDT 128.66 7024 0 Normal
05/02/2026 04 AM PDT 128.65 6999 - Normal
05/02/2026 05 AM PDT 128.65 6999 0 Normal
05/02/2026 06 AM PDT 128.65 6999 0 Normal
05/02/2026 07 AM PDT 128.64 6974 - Normal
05/02/2026 08 AM PDT 128.62 6926 - Normal
05/02/2026 09 AM PDT 128.60 6877 - Normal
05/02/2026 10 AM PDT 128.59 6852 - Normal
05/02/2026 11 AM PDT 128.55 6753 - Normal
05/02/2026 12 PM PDT 128.55 6753 0 Normal
05/02/2026 01 PM PDT 128.57 6803 + Normal
05/02/2026 02 PM PDT 128.54 6729 - Normal
05/02/2026 03 PM PDT 128.55 6753 + Normal
05/02/2026 04 PM PDT 128.55 6753 0 Normal
05/02/2026 05 PM PDT 128.54 6729 - Normal
05/02/2026 06 PM PDT 128.56 6778 + Normal
05/02/2026 07 PM PDT 128.55 6753 - Normal
05/02/2026 08 PM PDT 128.54 6729 - Normal
05/02/2026 09 PM PDT 128.53 6705 - Normal
05/02/2026 10 PM PDT 128.52 6680 - Normal
05/02/2026 11 PM PDT 128.52 6680 0 Normal
05/03/2026 12 AM PDT 128.51 6656 - Normal
05/03/2026 01 AM PDT 128.51 6656 0 Normal
05/03/2026 02 AM PDT 128.50 6632 - Normal
05/03/2026 03 AM PDT 128.50 6632 0 Normal
05/03/2026 04 AM PDT 128.49 6607 - Normal
05/03/2026 05 AM PDT 128.49 6607 0 Normal
05/03/2026 06 AM PDT 128.49 6607 0 Normal
05/03/2026 07 AM PDT 128.49 6607 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/03/2026 08 AM PDT 128.49 6607 Normal
05/03/2026 09 AM PDT 128.49 6607 0 Normal
05/03/2026 10 AM PDT 128.49 6607 0 Normal
05/03/2026 11 AM PDT 128.50 6632 + Normal
05/03/2026 12 PM PDT 128.51 6656 + Normal
05/03/2026 01 PM PDT 128.52 6680 + Normal
05/03/2026 02 PM PDT 128.52 6680 0 Normal
05/03/2026 03 PM PDT 128.52 6680 0 Normal
05/03/2026 04 PM PDT 128.52 6680 0 Normal
05/03/2026 05 PM PDT 128.51 6656 - Normal
05/03/2026 06 PM PDT 128.51 6656 0 Normal
05/03/2026 07 PM PDT 128.50 6632 - Normal
05/03/2026 08 PM PDT 128.49 6607 - Normal
05/03/2026 09 PM PDT 128.48 6582 - Normal
05/03/2026 10 PM PDT 128.48 6582 0 Normal
05/03/2026 11 PM PDT 128.47 6558 - Normal
05/04/2026 12 AM PDT 128.47 6558 0 Normal
05/04/2026 01 AM PDT 128.46 6533 - Normal
05/04/2026 02 AM PDT 128.46 6533 0 Normal
05/04/2026 03 AM PDT 128.46 6533 0 Normal
05/04/2026 04 AM PDT 128.46 6533 0 Normal
05/04/2026 05 AM PDT 128.46 6533 0 Normal
05/04/2026 06 AM PDT 128.47 6558 + Normal
05/04/2026 07 AM PDT 128.47 6558 0 Normal
05/04/2026 08 AM PDT 128.47 6558 0 Normal
05/04/2026 09 AM PDT 128.48 6582 + Normal
05/04/2026 10 AM PDT 128.48 6582 0 Normal
05/04/2026 11 AM PDT 128.49 6607 + Normal
05/04/2026 12 PM PDT 128.49 6607 0 Normal
05/04/2026 01 PM PDT 128.49 6607 0 Normal
05/04/2026 02 PM PDT 128.50 6632 + Normal
05/04/2026 03 PM PDT 128.50 6632 0 Normal
05/04/2026 04 PM PDT 128.50 6632 0 Normal
05/04/2026 05 PM PDT 128.50 6632 0 Normal
05/04/2026 06 PM PDT 128.51 6656 + Normal
05/04/2026 07 PM PDT 128.51 6656 0 Normal
05/04/2026 08 PM PDT 128.52 6680 + Normal
05/04/2026 09 PM PDT 128.52 6680 0 Normal
05/04/2026 10 PM PDT 128.53 6705 + Normal
05/04/2026 11 PM PDT 128.54 6729 + Normal
05/05/2026 12 AM PDT 128.56 6778 + Normal
05/05/2026 01 AM PDT 128.57 6803 + Normal
05/05/2026 02 AM PDT 128.58 6827 + Normal
05/05/2026 03 AM PDT 128.60 6877 + Normal
05/05/2026 04 AM PDT 128.61 6901 + Normal
05/05/2026 05 AM PDT 128.62 6926 + Normal
05/05/2026 06 AM PDT 128.62 6926 0 Normal
05/05/2026 07 AM PDT 128.63 6950 + Normal
05/05/2026 08 AM PDT 128.64 6974 + Normal
05/05/2026 09 AM PDT 128.65 6999 + Normal
05/05/2026 10 AM PDT 128.66 7024 + Normal
05/05/2026 11 AM PDT 128.67 7048 + Normal
05/05/2026 12 PM PDT 128.69 7098 + Normal
05/05/2026 01 PM PDT 128.70 7123 + Normal
05/05/2026 02 PM PDT 128.72 7172 + Normal
05/05/2026 03 PM PDT 128.73 7196 + Normal
05/05/2026 04 PM PDT 128.74 7221 + Normal
05/05/2026 05 PM PDT 128.75 7245 + Normal
05/05/2026 06 PM PDT 128.76 7270 + Normal
05/05/2026 07 PM PDT 128.77 7295 + Normal
05/05/2026 08 PM PDT 128.79 7345 + Normal
05/05/2026 09 PM PDT 128.81 7394 + Normal
05/05/2026 10 PM PDT 128.84 7468 + Normal
05/05/2026 11 PM PDT 128.87 7543 + Normal
05/06/2026 12 AM PDT 128.89 7593 + Normal
05/06/2026 01 AM PDT 128.91 7642 + Normal
05/06/2026 02 AM PDT 128.92 7667 + Normal
05/06/2026 03 AM PDT 128.93 7692 + Normal
05/06/2026 04 AM PDT 128.94 7716 + Normal
05/06/2026 05 AM PDT 128.94 7716 0 Normal
05/06/2026 06 AM PDT 128.94 7716 0 Normal
05/06/2026 07 AM PDT 128.94 7716 0 Normal
05/06/2026 08 AM PDT 128.94 7716 0 Normal
05/06/2026 09 AM PDT 128.93 7692 - Normal
05/06/2026 10 AM PDT 128.93 7692 0 Normal
05/06/2026 11 AM PDT 128.92 7667 - Normal
05/06/2026 12 PM PDT 128.91 7642 - Normal
05/06/2026 01 PM PDT 128.91 7642 0 Normal
05/06/2026 02 PM PDT 128.91 7642 0 Normal
05/06/2026 03 PM PDT 128.90 7618 - Normal
05/06/2026 04 PM PDT 128.90 7618 0 Normal
05/06/2026 05 PM PDT 128.89 7593 - Normal
05/06/2026 06 PM PDT 128.89 7593 0 Normal
05/06/2026 07 PM PDT 128.88 7568 - Normal
05/06/2026 08 PM PDT 128.88 7568 0 Normal
05/06/2026 09 PM PDT 128.88 7568 0 Normal
05/06/2026 10 PM PDT 128.87 7543 - Normal
05/06/2026 11 PM PDT 128.87 7543 0 Normal
05/07/2026 12 AM PDT 128.86 7518 - Normal
05/07/2026 01 AM PDT 128.86 7518 0 Normal
05/07/2026 02 AM PDT 128.86 7518 0 Normal
05/07/2026 03 AM PDT 128.85 7493 - Normal
05/07/2026 04 AM PDT 128.85 7493 0 Normal
05/07/2026 05 AM PDT 128.85 7493 0 Normal
05/07/2026 06 AM PDT 128.84 7468 - Normal
05/07/2026 07 AM PDT 128.84 7468 0 Normal
05/07/2026 08 AM PDT 128.84 7468 0 Normal
05/07/2026 09 AM PDT 128.84 7468 0 Normal
05/07/2026 10 AM PDT 128.84 7468 0 Normal
05/07/2026 11 AM PDT 128.83 7444 - Normal
05/07/2026 12 PM PDT 128.83 7444 0 Normal
05/07/2026 01 PM PDT 128.83 7444 0 Normal
05/07/2026 02 PM PDT 128.83 7444 0 Normal
05/07/2026 03 PM PDT 128.83 7444 0 Normal
05/07/2026 04 PM PDT 128.82 7419 - Normal
05/07/2026 05 PM PDT 128.82 7419 0 Normal
05/07/2026 06 PM PDT 128.82 7419 0 Normal
05/07/2026 07 PM PDT 128.82 7419 0 Normal
05/07/2026 08 PM PDT 128.82 7419 0 Normal
05/07/2026 09 PM PDT 128.81 7394 - Normal
05/07/2026 10 PM PDT 128.81 7394 0 Normal
05/07/2026 11 PM PDT 128.81 7394 0 Normal
05/08/2026 12 AM PDT 128.81 7394 0 Normal
05/08/2026 01 AM PDT 128.80 7370 - Normal
05/08/2026 02 AM PDT 128.80 7370 0 Normal
05/08/2026 03 AM PDT 128.80 7370 0 Normal
05/08/2026 04 AM PDT 128.80 7370 0 Normal
05/08/2026 05 AM PDT 128.79 7345 - 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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