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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 10 2026 at 6:56 AM PDT | Next Issuance: | May 11 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: 05/10/2026 at 06:57 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/08/2026 at 05:00 AM PDT
# Maximum Observed Stage: 128.63 Feet
# Maximum Observed Flow: 6950 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/13/2026 at 10:00 AM PDT
# Maximum Forecast Stage: 128.61 Feet
# Maximum Forecast Flow: 6901 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/05/2026 06 AM PDT 128.31 6168 Normal
05/05/2026 07 AM PDT 128.31 6168 0 Normal
05/05/2026 08 AM PDT 128.29 6119 - Normal
05/05/2026 09 AM PDT 128.27 6070 - Normal
05/05/2026 10 AM PDT 128.26 6046 - Normal
05/05/2026 11 AM PDT 128.26 6046 0 Normal
05/05/2026 12 PM PDT 128.26 6046 0 Normal
05/05/2026 01 PM PDT 128.26 6046 0 Normal
05/05/2026 02 PM PDT 128.27 6070 + Normal
05/05/2026 03 PM PDT 128.27 6070 0 Normal
05/05/2026 04 PM PDT 128.27 6070 0 Normal
05/05/2026 05 PM PDT 128.28 6095 + Normal
05/05/2026 06 PM PDT 128.27 6070 - Normal
05/05/2026 07 PM PDT 128.28 6095 + Normal
05/05/2026 08 PM PDT 128.30 6144 + Normal
05/05/2026 09 PM PDT 128.33 6216 + Normal
05/05/2026 10 PM PDT 128.36 6289 + Normal
05/05/2026 11 PM PDT 128.40 6388 + Normal
05/06/2026 12 AM PDT 128.44 6485 + Normal
05/06/2026 01 AM PDT 128.49 6607 + Normal
05/06/2026 02 AM PDT 128.52 6680 + Normal
05/06/2026 03 AM PDT 128.54 6729 + Normal
05/06/2026 04 AM PDT 128.57 6803 + Normal
05/06/2026 05 AM PDT 128.58 6827 + Normal
05/06/2026 06 AM PDT 128.59 6852 + Normal
05/06/2026 07 AM PDT 128.59 6852 0 Normal
05/06/2026 08 AM PDT 128.59 6852 0 Normal
05/06/2026 09 AM PDT 128.60 6877 + Normal
05/06/2026 10 AM PDT 128.61 6901 + Normal
05/06/2026 11 AM PDT 128.61 6901 0 Normal
05/06/2026 12 PM PDT 128.62 6926 + Normal
05/06/2026 01 PM PDT 128.62 6926 0 Normal
05/06/2026 02 PM PDT 128.62 6926 0 Normal
05/06/2026 03 PM PDT 128.62 6926 0 Normal
05/06/2026 04 PM PDT 128.62 6926 0 Normal
05/06/2026 05 PM PDT 128.62 6926 0 Normal
05/06/2026 06 PM PDT 128.62 6926 0 Normal
05/06/2026 07 PM PDT 128.61 6901 - Normal
05/06/2026 08 PM PDT 128.60 6877 - Normal
05/06/2026 09 PM PDT 128.60 6877 0 Normal
05/06/2026 10 PM PDT 128.60 6877 0 Normal
05/06/2026 11 PM PDT 128.60 6877 0 Normal
05/07/2026 12 AM PDT 128.60 6877 0 Normal
05/07/2026 01 AM PDT 128.59 6852 - Normal
05/07/2026 02 AM PDT 128.59 6852 0 Normal
05/07/2026 03 AM PDT 128.59 6852 0 Normal
05/07/2026 04 AM PDT 128.59 6852 0 Normal
05/07/2026 05 AM PDT 128.59 6852 0 Normal
05/07/2026 06 AM PDT 128.58 6827 - Normal
05/07/2026 07 AM PDT 128.55 6753 - Normal
05/07/2026 08 AM PDT 128.53 6705 - Normal
05/07/2026 09 AM PDT 128.52 6680 - Normal
05/07/2026 10 AM PDT 128.51 6656 - Normal
05/07/2026 11 AM PDT 128.51 6656 0 Normal
05/07/2026 12 PM PDT 128.52 6680 + Normal
05/07/2026 01 PM PDT 128.53 6705 + Normal
05/07/2026 02 PM PDT 128.55 6753 + Normal
05/07/2026 03 PM PDT 128.56 6778 + Normal
05/07/2026 04 PM PDT 128.56 6778 0 Normal
05/07/2026 05 PM PDT 128.56 6778 0 Normal
05/07/2026 06 PM PDT 128.56 6778 0 Normal
05/07/2026 07 PM PDT 128.56 6778 0 Normal
05/07/2026 08 PM PDT 128.56 6778 0 Normal
05/07/2026 09 PM PDT 128.57 6803 + Normal
05/07/2026 10 PM PDT 128.58 6827 + Normal
05/07/2026 11 PM PDT 128.59 6852 + Normal
05/08/2026 12 AM PDT 128.60 6877 + Normal
05/08/2026 01 AM PDT 128.61 6901 + Normal
05/08/2026 02 AM PDT 128.62 6926 + Normal
05/08/2026 03 AM PDT 128.62 6926 0 Normal
05/08/2026 04 AM PDT 128.63 6950 + Normal
05/08/2026 05 AM PDT 128.63 6950 0 Normal
05/08/2026 06 AM PDT 128.62 6926 - Normal
05/08/2026 07 AM PDT 128.61 6901 - Normal
05/08/2026 08 AM PDT 128.60 6877 - Normal
05/08/2026 09 AM PDT 128.60 6877 0 Normal
05/08/2026 10 AM PDT 128.60 6877 0 Normal
05/08/2026 11 AM PDT 128.60 6877 0 Normal
05/08/2026 12 PM PDT 128.60 6877 0 Normal
05/08/2026 01 PM PDT 128.60 6877 0 Normal
05/08/2026 02 PM PDT 128.60 6877 0 Normal
05/08/2026 03 PM PDT 128.60 6877 0 Normal
05/08/2026 04 PM PDT 128.60 6877 0 Normal
05/08/2026 05 PM PDT 128.59 6852 - Normal
05/08/2026 06 PM PDT 128.58 6827 - Normal
05/08/2026 07 PM PDT 128.58 6827 0 Normal
05/08/2026 08 PM PDT 128.57 6803 - Normal
05/08/2026 09 PM PDT 128.56 6778 - Normal
05/08/2026 10 PM PDT 128.56 6778 0 Normal
05/08/2026 11 PM PDT 128.56 6778 0 Normal
05/09/2026 12 AM PDT 128.56 6778 0 Normal
05/09/2026 01 AM PDT 128.55 6753 - Normal
05/09/2026 02 AM PDT 128.55 6753 0 Normal
05/09/2026 03 AM PDT 128.54 6729 - Normal
05/09/2026 04 AM PDT 128.52 6680 - Normal
05/09/2026 05 AM PDT 128.52 6680 0 Normal
05/09/2026 06 AM PDT 128.51 6656 - Normal
05/09/2026 07 AM PDT 128.50 6632 - Normal
05/09/2026 08 AM PDT 128.48 6582 - Normal
05/09/2026 09 AM PDT 128.47 6558 - Normal
05/09/2026 10 AM PDT 128.46 6533 - Normal
05/09/2026 11 AM PDT 128.45 6509 - Normal
05/09/2026 12 PM PDT 128.44 6485 - Normal
05/09/2026 01 PM PDT 128.43 6460 - Normal
05/09/2026 02 PM PDT 128.43 6460 0 Normal
05/09/2026 03 PM PDT 128.44 6485 + Normal
05/09/2026 04 PM PDT 128.44 6485 0 Normal
05/09/2026 05 PM PDT 128.45 6509 + Normal
05/09/2026 06 PM PDT 128.44 6485 - Normal
05/09/2026 07 PM PDT 128.47 6558 + Normal
05/09/2026 08 PM PDT 128.48 6582 + Normal
05/09/2026 09 PM PDT 128.50 6632 + Normal
05/09/2026 10 PM PDT 128.54 6729 + Normal
05/09/2026 11 PM PDT 128.56 6778 + Normal
05/10/2026 12 AM PDT 128.59 6852 + Normal
05/10/2026 01 AM PDT 128.59 6852 0 Normal
05/10/2026 02 AM PDT 128.59 6852 0 Normal
05/10/2026 03 AM PDT 128.59 6852 0 Normal
05/10/2026 04 AM PDT 128.58 6827 - Normal
05/10/2026 05 AM PDT 128.58 6827 0 Normal
05/10/2026 06 AM PDT 128.57 6803 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/10/2026 07 AM PDT 128.57 6803 Normal
05/10/2026 08 AM PDT 128.56 6778 - Normal
05/10/2026 09 AM PDT 128.55 6753 - Normal
05/10/2026 10 AM PDT 128.55 6753 0 Normal
05/10/2026 11 AM PDT 128.54 6729 - Normal
05/10/2026 12 PM PDT 128.55 6753 + Normal
05/10/2026 01 PM PDT 128.55 6753 0 Normal
05/10/2026 02 PM PDT 128.55 6753 0 Normal
05/10/2026 03 PM PDT 128.54 6729 - Normal
05/10/2026 04 PM PDT 128.54 6729 0 Normal
05/10/2026 05 PM PDT 128.53 6705 - Normal
05/10/2026 06 PM PDT 128.52 6680 - Normal
05/10/2026 07 PM PDT 128.51 6656 - Normal
05/10/2026 08 PM PDT 128.51 6656 0 Normal
05/10/2026 09 PM PDT 128.50 6632 - Normal
05/10/2026 10 PM PDT 128.50 6632 0 Normal
05/10/2026 11 PM PDT 128.49 6607 - Normal
05/11/2026 12 AM PDT 128.49 6607 0 Normal
05/11/2026 01 AM PDT 128.48 6582 - Normal
05/11/2026 02 AM PDT 128.48 6582 0 Normal
05/11/2026 03 AM PDT 128.48 6582 0 Normal
05/11/2026 04 AM PDT 128.47 6558 - Normal
05/11/2026 05 AM PDT 128.47 6558 0 Normal
05/11/2026 06 AM PDT 128.47 6558 0 Normal
05/11/2026 07 AM PDT 128.47 6558 0 Normal
05/11/2026 08 AM PDT 128.47 6558 0 Normal
05/11/2026 09 AM PDT 128.47 6558 0 Normal
05/11/2026 10 AM PDT 128.47 6558 0 Normal
05/11/2026 11 AM PDT 128.47 6558 0 Normal
05/11/2026 12 PM PDT 128.47 6558 0 Normal
05/11/2026 01 PM PDT 128.47 6558 0 Normal
05/11/2026 02 PM PDT 128.47 6558 0 Normal
05/11/2026 03 PM PDT 128.47 6558 0 Normal
05/11/2026 04 PM PDT 128.47 6558 0 Normal
05/11/2026 05 PM PDT 128.47 6558 0 Normal
05/11/2026 06 PM PDT 128.46 6533 - Normal
05/11/2026 07 PM PDT 128.46 6533 0 Normal
05/11/2026 08 PM PDT 128.46 6533 0 Normal
05/11/2026 09 PM PDT 128.46 6533 0 Normal
05/11/2026 10 PM PDT 128.46 6533 0 Normal
05/11/2026 11 PM PDT 128.46 6533 0 Normal
05/12/2026 12 AM PDT 128.46 6533 0 Normal
05/12/2026 01 AM PDT 128.46 6533 0 Normal
05/12/2026 02 AM PDT 128.47 6558 + Normal
05/12/2026 03 AM PDT 128.47 6558 0 Normal
05/12/2026 04 AM PDT 128.47 6558 0 Normal
05/12/2026 05 AM PDT 128.47 6558 0 Normal
05/12/2026 06 AM PDT 128.48 6582 + Normal
05/12/2026 07 AM PDT 128.48 6582 0 Normal
05/12/2026 08 AM PDT 128.47 6558 - Normal
05/12/2026 09 AM PDT 128.47 6558 0 Normal
05/12/2026 10 AM PDT 128.47 6558 0 Normal
05/12/2026 11 AM PDT 128.47 6558 0 Normal
05/12/2026 12 PM PDT 128.47 6558 0 Normal
05/12/2026 01 PM PDT 128.46 6533 - Normal
05/12/2026 02 PM PDT 128.46 6533 0 Normal
05/12/2026 03 PM PDT 128.46 6533 0 Normal
05/12/2026 04 PM PDT 128.46 6533 0 Normal
05/12/2026 05 PM PDT 128.45 6509 - Normal
05/12/2026 06 PM PDT 128.46 6533 + Normal
05/12/2026 07 PM PDT 128.46 6533 0 Normal
05/12/2026 08 PM PDT 128.47 6558 + Normal
05/12/2026 09 PM PDT 128.49 6607 + Normal
05/12/2026 10 PM PDT 128.50 6632 + Normal
05/12/2026 11 PM PDT 128.52 6680 + Normal
05/13/2026 12 AM PDT 128.54 6729 + Normal
05/13/2026 01 AM PDT 128.55 6753 + Normal
05/13/2026 02 AM PDT 128.56 6778 + Normal
05/13/2026 03 AM PDT 128.58 6827 + Normal
05/13/2026 04 AM PDT 128.58 6827 0 Normal
05/13/2026 05 AM PDT 128.59 6852 + Normal
05/13/2026 06 AM PDT 128.60 6877 + Normal
05/13/2026 07 AM PDT 128.60 6877 0 Normal
05/13/2026 08 AM PDT 128.60 6877 0 Normal
05/13/2026 09 AM PDT 128.60 6877 0 Normal
05/13/2026 10 AM PDT 128.61 6901 + Normal
05/13/2026 11 AM PDT 128.61 6901 0 Normal
05/13/2026 12 PM PDT 128.61 6901 0 Normal
05/13/2026 01 PM PDT 128.61 6901 0 Normal
05/13/2026 02 PM PDT 128.61 6901 0 Normal
05/13/2026 03 PM PDT 128.61 6901 0 Normal
05/13/2026 04 PM PDT 128.61 6901 0 Normal
05/13/2026 05 PM PDT 128.61 6901 0 Normal
05/13/2026 06 PM PDT 128.61 6901 0 Normal
05/13/2026 07 PM PDT 128.61 6901 0 Normal
05/13/2026 08 PM PDT 128.61 6901 0 Normal
05/13/2026 09 PM PDT 128.61 6901 0 Normal
05/13/2026 10 PM PDT 128.60 6877 - Normal
05/13/2026 11 PM PDT 128.60 6877 0 Normal
05/14/2026 12 AM PDT 128.60 6877 0 Normal
05/14/2026 01 AM PDT 128.60 6877 0 Normal
05/14/2026 02 AM PDT 128.60 6877 0 Normal
05/14/2026 03 AM PDT 128.60 6877 0 Normal
05/14/2026 04 AM PDT 128.60 6877 0 Normal
05/14/2026 05 AM PDT 128.60 6877 0 Normal
05/14/2026 06 AM PDT 128.60 6877 0 Normal
05/14/2026 07 AM PDT 128.60 6877 0 Normal
05/14/2026 08 AM PDT 128.60 6877 0 Normal
05/14/2026 09 AM PDT 128.60 6877 0 Normal
05/14/2026 10 AM PDT 128.59 6852 - Normal
05/14/2026 11 AM PDT 128.59 6852 0 Normal
05/14/2026 12 PM PDT 128.59 6852 0 Normal
05/14/2026 01 PM PDT 128.59 6852 0 Normal
05/14/2026 02 PM PDT 128.59 6852 0 Normal
05/14/2026 03 PM PDT 128.59 6852 0 Normal
05/14/2026 04 PM PDT 128.59 6852 0 Normal
05/14/2026 05 PM PDT 128.59 6852 0 Normal
05/14/2026 06 PM PDT 128.59 6852 0 Normal
05/14/2026 07 PM PDT 128.59 6852 0 Normal
05/14/2026 08 PM PDT 128.59 6852 0 Normal
05/14/2026 09 PM PDT 128.59 6852 0 Normal
05/14/2026 10 PM PDT 128.59 6852 0 Normal
05/14/2026 11 PM PDT 128.59 6852 0 Normal
05/15/2026 12 AM PDT 128.58 6827 - Normal
05/15/2026 01 AM PDT 128.58 6827 0 Normal
05/15/2026 02 AM PDT 128.58 6827 0 Normal
05/15/2026 03 AM PDT 128.58 6827 0 Normal
05/15/2026 04 AM PDT 128.58 6827 0 Normal
05/15/2026 05 AM PDT 128.58 6827 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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