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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 26 2026 at 8:23 AM PDT | Next Issuance: | Apr 27 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: 04/26/2026 at 08:23 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/22/2026 at 07:00 AM PDT
# Maximum Observed Stage: 131.69 Feet
# Maximum Observed Flow: 16394 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/27/2026 at 09:00 PM PDT
# Maximum Forecast Stage: 129.77 Feet
# Maximum Forecast Flow: 9882 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/21/2026 08 AM PDT 128.82 7419 Normal
04/21/2026 09 AM PDT 128.84 7468 + Normal
04/21/2026 10 AM PDT 128.85 7493 + Normal
04/21/2026 11 AM PDT 128.86 7518 + Normal
04/21/2026 12 PM PDT 128.93 7692 + Normal
04/21/2026 01 PM PDT 129.08 8065 + Normal
04/21/2026 02 PM PDT 129.22 8414 + Normal
04/21/2026 03 PM PDT 129.37 8790 + Normal
04/21/2026 04 PM PDT 129.50 9118 + Normal
04/21/2026 05 PM PDT 129.63 9450 + Normal
04/21/2026 06 PM PDT 129.76 9847 + Normal
04/21/2026 07 PM PDT 129.86 10204 + Normal
04/21/2026 08 PM PDT 129.86 10204 0 Normal
04/21/2026 09 PM PDT 129.84 10132 - Normal
04/21/2026 10 PM PDT 129.81 10025 - Normal
04/21/2026 11 PM PDT 129.85 10168 + Normal
04/22/2026 12 AM PDT 129.89 10313 + Normal
04/22/2026 01 AM PDT 130.07 10903 + Normal
04/22/2026 02 AM PDT 130.44 12087 + Normal
04/22/2026 03 AM PDT 130.87 13517 + Normal
04/22/2026 04 AM PDT 131.24 14789 + Normal
04/22/2026 05 AM PDT 131.50 15710 + Normal
04/22/2026 06 AM PDT 131.65 16249 + Normal
04/22/2026 07 AM PDT 131.69 16394 + Normal
04/22/2026 08 AM PDT 131.62 16141 - Normal
04/22/2026 09 AM PDT 131.51 15746 - Normal
04/22/2026 10 AM PDT 131.32 15069 - Normal
04/22/2026 11 AM PDT 131.18 14579 - Normal
04/22/2026 12 PM PDT 131.01 13994 - Normal
04/22/2026 01 PM PDT 130.94 13755 - Normal
04/22/2026 02 PM PDT 130.89 13586 - Normal
04/22/2026 03 PM PDT 130.89 13586 0 Normal
04/22/2026 04 PM PDT 130.92 13687 + Normal
04/22/2026 05 PM PDT 130.93 13721 + Normal
04/22/2026 06 PM PDT 130.94 13755 + Normal
04/22/2026 07 PM PDT 130.94 13755 0 Normal
04/22/2026 08 PM PDT 130.93 13721 - Normal
04/22/2026 09 PM PDT 130.91 13654 - Normal
04/22/2026 10 PM PDT 130.90 13620 - Normal
04/22/2026 11 PM PDT 130.91 13654 + Normal
04/23/2026 12 AM PDT 130.94 13755 + Normal
04/23/2026 01 AM PDT 130.97 13857 + Normal
04/23/2026 02 AM PDT 130.98 13891 + Normal
04/23/2026 03 AM PDT 130.98 13891 0 Normal
04/23/2026 04 AM PDT 130.96 13823 - Normal
04/23/2026 05 AM PDT 130.94 13755 - Normal
04/23/2026 06 AM PDT 130.89 13586 - Normal
04/23/2026 07 AM PDT 130.83 13381 - Normal
04/23/2026 08 AM PDT 130.76 13143 - Normal
04/23/2026 09 AM PDT 130.68 12873 - Normal
04/23/2026 10 AM PDT 130.58 12543 - Normal
04/23/2026 11 AM PDT 130.51 12313 - Normal
04/23/2026 12 PM PDT 130.43 12055 - Normal
04/23/2026 01 PM PDT 130.36 11827 - Normal
04/23/2026 02 PM PDT 130.28 11565 - Normal
04/23/2026 03 PM PDT 130.21 11342 - Normal
04/23/2026 04 PM PDT 130.15 11154 - Normal
04/23/2026 05 PM PDT 130.09 10968 - Normal
04/23/2026 06 PM PDT 130.03 10775 - Normal
04/23/2026 07 PM PDT 129.98 10613 - Normal
04/23/2026 08 PM PDT 129.93 10448 - Normal
04/23/2026 09 PM PDT 129.89 10313 - Normal
04/23/2026 10 PM PDT 129.85 10168 - Normal
04/23/2026 11 PM PDT 129.81 10025 - Normal
04/24/2026 12 AM PDT 129.77 9882 - Normal
04/24/2026 01 AM PDT 129.75 9811 - Normal
04/24/2026 02 AM PDT 129.72 9706 - Normal
04/24/2026 03 AM PDT 129.69 9610 - Normal
04/24/2026 04 AM PDT 129.68 9583 - Normal
04/24/2026 05 AM PDT 129.66 9530 - Normal
04/24/2026 06 AM PDT 129.66 9530 0 Normal
04/24/2026 07 AM PDT 129.65 9503 - Normal
04/24/2026 08 AM PDT 129.64 9477 - Normal
04/24/2026 09 AM PDT 129.63 9450 - Normal
04/24/2026 10 AM PDT 129.62 9424 - Normal
04/24/2026 11 AM PDT 129.60 9371 - Normal
04/24/2026 12 PM PDT 129.59 9345 - Normal
04/24/2026 01 PM PDT 129.57 9294 - Normal
04/24/2026 02 PM PDT 129.55 9244 - Normal
04/24/2026 03 PM PDT 129.53 9193 - Normal
04/24/2026 04 PM PDT 129.51 9143 - Normal
04/24/2026 05 PM PDT 129.47 9042 - Normal
04/24/2026 06 PM PDT 129.45 8991 - Normal
04/24/2026 07 PM PDT 129.44 8966 - Normal
04/24/2026 08 PM PDT 129.42 8916 - Normal
04/24/2026 09 PM PDT 129.42 8916 0 Normal
04/24/2026 10 PM PDT 129.41 8891 - Normal
04/24/2026 11 PM PDT 129.41 8891 0 Normal
04/25/2026 12 AM PDT 129.37 8790 - Normal
04/25/2026 01 AM PDT 129.35 8740 - Normal
04/25/2026 02 AM PDT 129.38 8815 + Normal
04/25/2026 03 AM PDT 129.37 8790 - Normal
04/25/2026 04 AM PDT 129.36 8765 - Normal
04/25/2026 05 AM PDT 129.35 8740 - Normal
04/25/2026 06 AM PDT 129.35 8740 0 Normal
04/25/2026 07 AM PDT 129.35 8740 0 Normal
04/25/2026 08 AM PDT 129.35 8740 0 Normal
04/25/2026 09 AM PDT 129.31 8640 - Normal
04/25/2026 10 AM PDT 129.34 8715 + Normal
04/25/2026 11 AM PDT 129.33 8690 - Normal
04/25/2026 12 PM PDT 129.32 8665 - Normal
04/25/2026 01 PM PDT 129.32 8665 0 Normal
04/25/2026 02 PM PDT 129.32 8665 0 Normal
04/25/2026 03 PM PDT 129.29 8590 - Normal
04/25/2026 04 PM PDT 129.27 8539 - Normal
04/25/2026 05 PM PDT 129.25 8489 - Normal
04/25/2026 06 PM PDT 129.25 8489 0 Normal
04/25/2026 07 PM PDT 129.24 8464 - Normal
04/25/2026 08 PM PDT 129.23 8439 - Normal
04/25/2026 09 PM PDT 129.24 8464 + Normal
04/25/2026 10 PM PDT 129.21 8390 - Normal
04/25/2026 11 PM PDT 129.23 8439 + Normal
04/26/2026 12 AM PDT 129.23 8439 0 Normal
04/26/2026 01 AM PDT 129.24 8464 + Normal
04/26/2026 02 AM PDT 129.24 8464 0 Normal
04/26/2026 03 AM PDT 129.23 8439 - Normal
04/26/2026 04 AM PDT 129.24 8464 + Normal
04/26/2026 05 AM PDT 129.24 8464 0 Normal
04/26/2026 06 AM PDT 129.25 8489 + Normal
04/26/2026 07 AM PDT 129.25 8489 0 Normal
04/26/2026 08 AM PDT 129.26 8514 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/26/2026 09 AM PDT 129.27 8539 Normal
04/26/2026 10 AM PDT 129.28 8564 + Normal
04/26/2026 11 AM PDT 129.29 8590 + Normal
04/26/2026 12 PM PDT 129.30 8615 + Normal
04/26/2026 01 PM PDT 129.31 8640 + Normal
04/26/2026 02 PM PDT 129.32 8665 + Normal
04/26/2026 03 PM PDT 129.34 8715 + Normal
04/26/2026 04 PM PDT 129.35 8740 + Normal
04/26/2026 05 PM PDT 129.36 8765 + Normal
04/26/2026 06 PM PDT 129.37 8790 + Normal
04/26/2026 07 PM PDT 129.39 8841 + Normal
04/26/2026 08 PM PDT 129.40 8866 + Normal
04/26/2026 09 PM PDT 129.42 8916 + Normal
04/26/2026 10 PM PDT 129.44 8966 + Normal
04/26/2026 11 PM PDT 129.46 9016 + Normal
04/27/2026 12 AM PDT 129.49 9092 + Normal
04/27/2026 01 AM PDT 129.51 9143 + Normal
04/27/2026 02 AM PDT 129.53 9193 + Normal
04/27/2026 03 AM PDT 129.56 9269 + Normal
04/27/2026 04 AM PDT 129.58 9320 + Normal
04/27/2026 05 AM PDT 129.58 9320 0 Normal
04/27/2026 06 AM PDT 129.59 9345 + Normal
04/27/2026 07 AM PDT 129.60 9371 + Normal
04/27/2026 08 AM PDT 129.60 9371 0 Normal
04/27/2026 09 AM PDT 129.61 9397 + Normal
04/27/2026 10 AM PDT 129.62 9424 + Normal
04/27/2026 11 AM PDT 129.64 9477 + Normal
04/27/2026 12 PM PDT 129.65 9503 + Normal
04/27/2026 01 PM PDT 129.67 9556 + Normal
04/27/2026 02 PM PDT 129.69 9610 + Normal
04/27/2026 03 PM PDT 129.71 9672 + Normal
04/27/2026 04 PM PDT 129.72 9706 + Normal
04/27/2026 05 PM PDT 129.74 9776 + Normal
04/27/2026 06 PM PDT 129.75 9811 + Normal
04/27/2026 07 PM PDT 129.76 9847 + Normal
04/27/2026 08 PM PDT 129.76 9847 0 Normal
04/27/2026 09 PM PDT 129.77 9882 + Normal
04/27/2026 10 PM PDT 129.77 9882 0 Normal
04/27/2026 11 PM PDT 129.77 9882 0 Normal
04/28/2026 12 AM PDT 129.77 9882 0 Normal
04/28/2026 01 AM PDT 129.76 9847 - Normal
04/28/2026 02 AM PDT 129.75 9811 - Normal
04/28/2026 03 AM PDT 129.74 9776 - Normal
04/28/2026 04 AM PDT 129.72 9706 - Normal
04/28/2026 05 AM PDT 129.70 9637 - Normal
04/28/2026 06 AM PDT 129.68 9583 - Normal
04/28/2026 07 AM PDT 129.66 9530 - Normal
04/28/2026 08 AM PDT 129.65 9503 - Normal
04/28/2026 09 AM PDT 129.63 9450 - Normal
04/28/2026 10 AM PDT 129.61 9397 - Normal
04/28/2026 11 AM PDT 129.60 9371 - Normal
04/28/2026 12 PM PDT 129.59 9345 - Normal
04/28/2026 01 PM PDT 129.58 9320 - Normal
04/28/2026 02 PM PDT 129.57 9294 - Normal
04/28/2026 03 PM PDT 129.56 9269 - Normal
04/28/2026 04 PM PDT 129.55 9244 - Normal
04/28/2026 05 PM PDT 129.54 9218 - Normal
04/28/2026 06 PM PDT 129.54 9218 0 Normal
04/28/2026 07 PM PDT 129.53 9193 - Normal
04/28/2026 08 PM PDT 129.52 9168 - Normal
04/28/2026 09 PM PDT 129.51 9143 - Normal
04/28/2026 10 PM PDT 129.51 9143 0 Normal
04/28/2026 11 PM PDT 129.50 9118 - Normal
04/29/2026 12 AM PDT 129.49 9092 - Normal
04/29/2026 01 AM PDT 129.49 9092 0 Normal
04/29/2026 02 AM PDT 129.48 9067 - Normal
04/29/2026 03 AM PDT 129.47 9042 - Normal
04/29/2026 04 AM PDT 129.47 9042 0 Normal
04/29/2026 05 AM PDT 129.46 9016 - Normal
04/29/2026 06 AM PDT 129.46 9016 0 Normal
04/29/2026 07 AM PDT 129.45 8991 - Normal
04/29/2026 08 AM PDT 129.45 8991 0 Normal
04/29/2026 09 AM PDT 129.44 8966 - Normal
04/29/2026 10 AM PDT 129.44 8966 0 Normal
04/29/2026 11 AM PDT 129.43 8941 - Normal
04/29/2026 12 PM PDT 129.43 8941 0 Normal
04/29/2026 01 PM PDT 129.43 8941 0 Normal
04/29/2026 02 PM PDT 129.42 8916 - Normal
04/29/2026 03 PM PDT 129.42 8916 0 Normal
04/29/2026 04 PM PDT 129.42 8916 0 Normal
04/29/2026 05 PM PDT 129.41 8891 - Normal
04/29/2026 06 PM PDT 129.41 8891 0 Normal
04/29/2026 07 PM PDT 129.41 8891 0 Normal
04/29/2026 08 PM PDT 129.41 8891 0 Normal
04/29/2026 09 PM PDT 129.40 8866 - Normal
04/29/2026 10 PM PDT 129.40 8866 0 Normal
04/29/2026 11 PM PDT 129.40 8866 0 Normal
04/30/2026 12 AM PDT 129.39 8841 - Normal
04/30/2026 01 AM PDT 129.39 8841 0 Normal
04/30/2026 02 AM PDT 129.38 8815 - Normal
04/30/2026 03 AM PDT 129.38 8815 0 Normal
04/30/2026 04 AM PDT 129.38 8815 0 Normal
04/30/2026 05 AM PDT 129.37 8790 - Normal
04/30/2026 06 AM PDT 129.37 8790 0 Normal
04/30/2026 07 AM PDT 129.37 8790 0 Normal
04/30/2026 08 AM PDT 129.36 8765 - Normal
04/30/2026 09 AM PDT 129.36 8765 0 Normal
04/30/2026 10 AM PDT 129.36 8765 0 Normal
04/30/2026 11 AM PDT 129.36 8765 0 Normal
04/30/2026 12 PM PDT 129.36 8765 0 Normal
04/30/2026 01 PM PDT 129.36 8765 0 Normal
04/30/2026 02 PM PDT 129.35 8740 - Normal
04/30/2026 03 PM PDT 129.35 8740 0 Normal
04/30/2026 04 PM PDT 129.35 8740 0 Normal
04/30/2026 05 PM PDT 129.35 8740 0 Normal
04/30/2026 06 PM PDT 129.35 8740 0 Normal
04/30/2026 07 PM PDT 129.35 8740 0 Normal
04/30/2026 08 PM PDT 129.34 8715 - Normal
04/30/2026 09 PM PDT 129.34 8715 0 Normal
04/30/2026 10 PM PDT 129.34 8715 0 Normal
04/30/2026 11 PM PDT 129.33 8690 - Normal
05/01/2026 12 AM PDT 129.33 8690 0 Normal
05/01/2026 01 AM PDT 129.33 8690 0 Normal
05/01/2026 02 AM PDT 129.32 8665 - Normal
05/01/2026 03 AM PDT 129.32 8665 0 Normal
05/01/2026 04 AM PDT 129.32 8665 0 Normal
05/01/2026 05 AM PDT 129.31 8640 - 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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