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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: | Jul 21 2026 at 7:18 AM PDT | Next Issuance: | Jul 22 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: 07/21/2026 at 07:19 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/20/2026 at 12:00 PM PDT
# Maximum Observed Stage: 129.53 Feet
# Maximum Observed Flow: 9193 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/26/2026 at 04:00 AM PDT
# Maximum Forecast Stage: 129.69 Feet
# Maximum Forecast Flow: 9610 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/16/2026 07 AM PDT 129.39 8841 Normal
07/16/2026 08 AM PDT 129.40 8866 + Normal
07/16/2026 09 AM PDT 129.41 8891 + Normal
07/16/2026 10 AM PDT 129.40 8866 - Normal
07/16/2026 11 AM PDT 129.41 8891 + Normal
07/16/2026 12 PM PDT 129.41 8891 0 Normal
07/16/2026 01 PM PDT 129.40 8866 - Normal
07/16/2026 02 PM PDT 129.40 8866 0 Normal
07/16/2026 03 PM PDT 129.40 8866 0 Normal
07/16/2026 04 PM PDT 129.41 8891 + Normal
07/16/2026 05 PM PDT 129.41 8891 0 Normal
07/16/2026 06 PM PDT 129.40 8866 - Normal
07/16/2026 07 PM PDT 129.41 8891 + Normal
07/16/2026 08 PM PDT 129.40 8866 - Normal
07/16/2026 09 PM PDT 129.39 8841 - Normal
07/16/2026 10 PM PDT 129.40 8866 + Normal
07/16/2026 11 PM PDT 129.40 8866 0 Normal
07/17/2026 12 AM PDT 129.41 8891 + Normal
07/17/2026 01 AM PDT 129.41 8891 0 Normal
07/17/2026 02 AM PDT 129.42 8916 + Normal
07/17/2026 03 AM PDT 129.41 8891 - Normal
07/17/2026 04 AM PDT 129.41 8891 0 Normal
07/17/2026 05 AM PDT 129.42 8916 + Normal
07/17/2026 06 AM PDT 129.42 8916 0 Normal
07/17/2026 07 AM PDT 129.42 8916 0 Normal
07/17/2026 08 AM PDT 129.43 8941 + Normal
07/17/2026 09 AM PDT 129.43 8941 0 Normal
07/17/2026 10 AM PDT 129.44 8966 + Normal
07/17/2026 11 AM PDT 129.44 8966 0 Normal
07/17/2026 12 PM PDT 129.44 8966 0 Normal
07/17/2026 01 PM PDT 129.44 8966 0 Normal
07/17/2026 02 PM PDT 129.45 8991 + Normal
07/17/2026 03 PM PDT 129.44 8966 - Normal
07/17/2026 04 PM PDT 129.45 8991 + Normal
07/17/2026 05 PM PDT 129.44 8966 - Normal
07/17/2026 06 PM PDT 129.45 8991 + Normal
07/17/2026 07 PM PDT 129.44 8966 - Normal
07/17/2026 08 PM PDT 129.44 8966 0 Normal
07/17/2026 09 PM PDT 129.43 8941 - Normal
07/17/2026 10 PM PDT 129.43 8941 0 Normal
07/17/2026 11 PM PDT 129.44 8966 + Normal
07/18/2026 12 AM PDT 129.44 8966 0 Normal
07/18/2026 01 AM PDT 129.46 9016 + Normal
07/18/2026 02 AM PDT 129.46 9016 0 Normal
07/18/2026 03 AM PDT 129.46 9016 0 Normal
07/18/2026 04 AM PDT 129.47 9042 + Normal
07/18/2026 05 AM PDT 129.46 9016 - Normal
07/18/2026 06 AM PDT 129.47 9042 + Normal
07/18/2026 07 AM PDT 129.46 9016 - Normal
07/18/2026 08 AM PDT 129.46 9016 0 Normal
07/18/2026 09 AM PDT 129.47 9042 + Normal
07/18/2026 10 AM PDT 129.47 9042 0 Normal
07/18/2026 11 AM PDT 129.48 9067 + Normal
07/18/2026 12 PM PDT 129.47 9042 - Normal
07/18/2026 01 PM PDT 129.48 9067 + Normal
07/18/2026 02 PM PDT 129.48 9067 0 Normal
07/18/2026 03 PM PDT 129.49 9092 + Normal
07/18/2026 04 PM PDT 129.49 9092 0 Normal
07/18/2026 05 PM PDT 129.49 9092 0 Normal
07/18/2026 06 PM PDT 129.49 9092 0 Normal
07/18/2026 07 PM PDT 129.48 9067 - Normal
07/18/2026 08 PM PDT 129.47 9042 - Normal
07/18/2026 09 PM PDT 129.43 8941 - Normal
07/18/2026 10 PM PDT 129.42 8916 - Normal
07/18/2026 11 PM PDT 129.40 8866 - Normal
07/19/2026 12 AM PDT 129.37 8790 - Normal
07/19/2026 01 AM PDT 129.37 8790 0 Normal
07/19/2026 02 AM PDT 129.37 8790 0 Normal
07/19/2026 03 AM PDT 129.36 8765 - Normal
07/19/2026 04 AM PDT 129.36 8765 0 Normal
07/19/2026 05 AM PDT 129.36 8765 0 Normal
07/19/2026 06 AM PDT 129.36 8765 0 Normal
07/19/2026 07 AM PDT 129.36 8765 0 Normal
07/19/2026 08 AM PDT 129.36 8765 0 Normal
07/19/2026 09 AM PDT 129.38 8815 + Normal
07/19/2026 10 AM PDT 129.38 8815 0 Normal
07/19/2026 11 AM PDT 129.37 8790 - Normal
07/19/2026 12 PM PDT 129.39 8841 + Normal
07/19/2026 01 PM PDT 129.39 8841 0 Normal
07/19/2026 02 PM PDT 129.39 8841 0 Normal
07/19/2026 03 PM PDT 129.39 8841 0 Normal
07/19/2026 04 PM PDT 129.40 8866 + Normal
07/19/2026 05 PM PDT 129.43 8941 + Normal
07/19/2026 06 PM PDT 129.45 8991 + Normal
07/19/2026 07 PM PDT 129.47 9042 + Normal
07/19/2026 08 PM PDT 129.47 9042 0 Normal
07/19/2026 09 PM PDT 129.49 9092 + Normal
07/19/2026 10 PM PDT 129.50 9118 + Normal
07/19/2026 11 PM PDT 129.50 9118 0 Normal
07/20/2026 12 AM PDT 129.50 9118 0 Normal
07/20/2026 01 AM PDT 129.50 9118 0 Normal
07/20/2026 02 AM PDT 129.50 9118 0 Normal
07/20/2026 03 AM PDT 129.50 9118 0 Normal
07/20/2026 04 AM PDT 129.49 9092 - Normal
07/20/2026 05 AM PDT 129.49 9092 0 Normal
07/20/2026 06 AM PDT 129.50 9118 + Normal
07/20/2026 07 AM PDT 129.50 9118 0 Normal
07/20/2026 08 AM PDT 129.51 9143 + Normal
07/20/2026 09 AM PDT 129.51 9143 0 Normal
07/20/2026 10 AM PDT 129.53 9193 + Normal
07/20/2026 11 AM PDT 129.53 9193 0 Normal
07/20/2026 12 PM PDT 129.53 9193 0 Normal
07/20/2026 01 PM PDT 129.52 9168 - Normal
07/20/2026 02 PM PDT 129.51 9143 - Normal
07/20/2026 03 PM PDT 129.50 9118 - Normal
07/20/2026 04 PM PDT 129.50 9118 0 Normal
07/20/2026 05 PM PDT 129.50 9118 0 Normal
07/20/2026 06 PM PDT 129.49 9092 - Normal
07/20/2026 07 PM PDT 129.50 9118 + Normal
07/20/2026 08 PM PDT 129.50 9118 0 Normal
07/20/2026 09 PM PDT 129.50 9118 0 Normal
07/20/2026 10 PM PDT 129.50 9118 0 Normal
07/20/2026 11 PM PDT 129.50 9118 0 Normal
07/21/2026 12 AM PDT 129.49 9092 - Normal
07/21/2026 01 AM PDT 129.48 9067 - Normal
07/21/2026 02 AM PDT 129.48 9067 0 Normal
07/21/2026 03 AM PDT 129.47 9042 - Normal
07/21/2026 04 AM PDT 129.46 9016 - Normal
07/21/2026 05 AM PDT 129.47 9042 + Normal
07/21/2026 06 AM PDT 129.47 9042 0 Normal
07/21/2026 07 AM PDT 129.47 9042 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/21/2026 08 AM PDT 129.47 9042 Normal
07/21/2026 09 AM PDT 129.47 9042 0 Normal
07/21/2026 10 AM PDT 129.47 9042 0 Normal
07/21/2026 11 AM PDT 129.48 9067 + Normal
07/21/2026 12 PM PDT 129.48 9067 0 Normal
07/21/2026 01 PM PDT 129.48 9067 0 Normal
07/21/2026 02 PM PDT 129.49 9092 + Normal
07/21/2026 03 PM PDT 129.49 9092 0 Normal
07/21/2026 04 PM PDT 129.49 9092 0 Normal
07/21/2026 05 PM PDT 129.49 9092 0 Normal
07/21/2026 06 PM PDT 129.50 9118 + Normal
07/21/2026 07 PM PDT 129.50 9118 0 Normal
07/21/2026 08 PM PDT 129.50 9118 0 Normal
07/21/2026 09 PM PDT 129.50 9118 0 Normal
07/21/2026 10 PM PDT 129.50 9118 0 Normal
07/21/2026 11 PM PDT 129.50 9118 0 Normal
07/22/2026 12 AM PDT 129.50 9118 0 Normal
07/22/2026 01 AM PDT 129.50 9118 0 Normal
07/22/2026 02 AM PDT 129.51 9143 + Normal
07/22/2026 03 AM PDT 129.51 9143 0 Normal
07/22/2026 04 AM PDT 129.51 9143 0 Normal
07/22/2026 05 AM PDT 129.51 9143 0 Normal
07/22/2026 06 AM PDT 129.51 9143 0 Normal
07/22/2026 07 AM PDT 129.51 9143 0 Normal
07/22/2026 08 AM PDT 129.51 9143 0 Normal
07/22/2026 09 AM PDT 129.51 9143 0 Normal
07/22/2026 10 AM PDT 129.51 9143 0 Normal
07/22/2026 11 AM PDT 129.51 9143 0 Normal
07/22/2026 12 PM PDT 129.51 9143 0 Normal
07/22/2026 01 PM PDT 129.51 9143 0 Normal
07/22/2026 02 PM PDT 129.51 9143 0 Normal
07/22/2026 03 PM PDT 129.51 9143 0 Normal
07/22/2026 04 PM PDT 129.51 9143 0 Normal
07/22/2026 05 PM PDT 129.51 9143 0 Normal
07/22/2026 06 PM PDT 129.51 9143 0 Normal
07/22/2026 07 PM PDT 129.51 9143 0 Normal
07/22/2026 08 PM PDT 129.51 9143 0 Normal
07/22/2026 09 PM PDT 129.51 9143 0 Normal
07/22/2026 10 PM PDT 129.51 9143 0 Normal
07/22/2026 11 PM PDT 129.51 9143 0 Normal
07/23/2026 12 AM PDT 129.51 9143 0 Normal
07/23/2026 01 AM PDT 129.51 9143 0 Normal
07/23/2026 02 AM PDT 129.51 9143 0 Normal
07/23/2026 03 AM PDT 129.51 9143 0 Normal
07/23/2026 04 AM PDT 129.51 9143 0 Normal
07/23/2026 05 AM PDT 129.51 9143 0 Normal
07/23/2026 06 AM PDT 129.51 9143 0 Normal
07/23/2026 07 AM PDT 129.51 9143 0 Normal
07/23/2026 08 AM PDT 129.51 9143 0 Normal
07/23/2026 09 AM PDT 129.51 9143 0 Normal
07/23/2026 10 AM PDT 129.51 9143 0 Normal
07/23/2026 11 AM PDT 129.51 9143 0 Normal
07/23/2026 12 PM PDT 129.51 9143 0 Normal
07/23/2026 01 PM PDT 129.51 9143 0 Normal
07/23/2026 02 PM PDT 129.51 9143 0 Normal
07/23/2026 03 PM PDT 129.51 9143 0 Normal
07/23/2026 04 PM PDT 129.51 9143 0 Normal
07/23/2026 05 PM PDT 129.51 9143 0 Normal
07/23/2026 06 PM PDT 129.51 9143 0 Normal
07/23/2026 07 PM PDT 129.51 9143 0 Normal
07/23/2026 08 PM PDT 129.51 9143 0 Normal
07/23/2026 09 PM PDT 129.51 9143 0 Normal
07/23/2026 10 PM PDT 129.51 9143 0 Normal
07/23/2026 11 PM PDT 129.51 9143 0 Normal
07/24/2026 12 AM PDT 129.51 9143 0 Normal
07/24/2026 01 AM PDT 129.51 9143 0 Normal
07/24/2026 02 AM PDT 129.51 9143 0 Normal
07/24/2026 03 AM PDT 129.51 9143 0 Normal
07/24/2026 04 AM PDT 129.51 9143 0 Normal
07/24/2026 05 AM PDT 129.51 9143 0 Normal
07/24/2026 06 AM PDT 129.51 9143 0 Normal
07/24/2026 07 AM PDT 129.52 9168 + Normal
07/24/2026 08 AM PDT 129.52 9168 0 Normal
07/24/2026 09 AM PDT 129.52 9168 0 Normal
07/24/2026 10 AM PDT 129.52 9168 0 Normal
07/24/2026 11 AM PDT 129.53 9193 + Normal
07/24/2026 12 PM PDT 129.53 9193 0 Normal
07/24/2026 01 PM PDT 129.53 9193 0 Normal
07/24/2026 02 PM PDT 129.54 9218 + Normal
07/24/2026 03 PM PDT 129.54 9218 0 Normal
07/24/2026 04 PM PDT 129.54 9218 0 Normal
07/24/2026 05 PM PDT 129.55 9244 + Normal
07/24/2026 06 PM PDT 129.55 9244 0 Normal
07/24/2026 07 PM PDT 129.56 9269 + Normal
07/24/2026 08 PM PDT 129.56 9269 0 Normal
07/24/2026 09 PM PDT 129.57 9294 + Normal
07/24/2026 10 PM PDT 129.57 9294 0 Normal
07/24/2026 11 PM PDT 129.57 9294 0 Normal
07/25/2026 12 AM PDT 129.58 9320 + Normal
07/25/2026 01 AM PDT 129.58 9320 0 Normal
07/25/2026 02 AM PDT 129.59 9345 + Normal
07/25/2026 03 AM PDT 129.59 9345 0 Normal
07/25/2026 04 AM PDT 129.60 9371 + Normal
07/25/2026 05 AM PDT 129.60 9371 0 Normal
07/25/2026 06 AM PDT 129.61 9397 + Normal
07/25/2026 07 AM PDT 129.61 9397 0 Normal
07/25/2026 08 AM PDT 129.62 9424 + Normal
07/25/2026 09 AM PDT 129.62 9424 0 Normal
07/25/2026 10 AM PDT 129.62 9424 0 Normal
07/25/2026 11 AM PDT 129.63 9450 + Normal
07/25/2026 12 PM PDT 129.63 9450 0 Normal
07/25/2026 01 PM PDT 129.64 9477 + Normal
07/25/2026 02 PM PDT 129.64 9477 0 Normal
07/25/2026 03 PM PDT 129.65 9503 + Normal
07/25/2026 04 PM PDT 129.65 9503 0 Normal
07/25/2026 05 PM PDT 129.65 9503 0 Normal
07/25/2026 06 PM PDT 129.66 9530 + Normal
07/25/2026 07 PM PDT 129.66 9530 0 Normal
07/25/2026 08 PM PDT 129.66 9530 0 Normal
07/25/2026 09 PM PDT 129.66 9530 0 Normal
07/25/2026 10 PM PDT 129.67 9556 + Normal
07/25/2026 11 PM PDT 129.67 9556 0 Normal
07/26/2026 12 AM PDT 129.68 9583 + Normal
07/26/2026 01 AM PDT 129.68 9583 0 Normal
07/26/2026 02 AM PDT 129.68 9583 0 Normal
07/26/2026 03 AM PDT 129.68 9583 0 Normal
07/26/2026 04 AM PDT 129.69 9610 + Normal
07/26/2026 05 AM PDT 129.69 9610 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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