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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 28 2026 at 8:20 AM PDT | Next Issuance: | May 29 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: 05/28/2026 at 08:20 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/26/2026 at 03:00 PM PDT
# Maximum Observed Stage: 129.29 Feet
# Maximum Observed Flow: 8590 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/28/2026 at 08:00 PM PDT
# Maximum Forecast Stage: 129.62 Feet
# Maximum Forecast Flow: 9424 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/23/2026 08 AM PDT 128.60 6877 Normal
05/23/2026 09 AM PDT 128.61 6901 + Normal
05/23/2026 10 AM PDT 128.61 6901 0 Normal
05/23/2026 11 AM PDT 128.62 6926 + Normal
05/23/2026 12 PM PDT 128.62 6926 0 Normal
05/23/2026 01 PM PDT 128.62 6926 0 Normal
05/23/2026 02 PM PDT 128.60 6877 - Normal
05/23/2026 03 PM PDT 128.62 6926 + Normal
05/23/2026 04 PM PDT 128.62 6926 0 Normal
05/23/2026 05 PM PDT 128.63 6950 + Normal
05/23/2026 06 PM PDT 128.62 6926 - Normal
05/23/2026 07 PM PDT 128.64 6974 + Normal
05/23/2026 08 PM PDT 128.66 7024 + Normal
05/23/2026 09 PM PDT 128.69 7098 + Normal
05/23/2026 10 PM PDT 128.71 7147 + Normal
05/23/2026 11 PM PDT 128.74 7221 + Normal
05/24/2026 12 AM PDT 128.75 7245 + Normal
05/24/2026 01 AM PDT 128.76 7270 + Normal
05/24/2026 02 AM PDT 128.76 7270 0 Normal
05/24/2026 03 AM PDT 128.76 7270 0 Normal
05/24/2026 04 AM PDT 128.77 7295 + Normal
05/24/2026 05 AM PDT 128.79 7345 + Normal
05/24/2026 06 AM PDT 128.81 7394 + Normal
05/24/2026 07 AM PDT 128.82 7419 + Normal
05/24/2026 08 AM PDT 128.83 7444 + Normal
05/24/2026 09 AM PDT 128.85 7493 + Normal
05/24/2026 10 AM PDT 128.86 7518 + Normal
05/24/2026 11 AM PDT 128.86 7518 0 Normal
05/24/2026 12 PM PDT 128.86 7518 0 Normal
05/24/2026 01 PM PDT 128.86 7518 0 Normal
05/24/2026 02 PM PDT 128.87 7543 + Normal
05/24/2026 03 PM PDT 128.88 7568 + Normal
05/24/2026 04 PM PDT 128.89 7593 + Normal
05/24/2026 05 PM PDT 128.90 7618 + Normal
05/24/2026 06 PM PDT 128.90 7618 0 Normal
05/24/2026 07 PM PDT 128.91 7642 + Normal
05/24/2026 08 PM PDT 128.92 7667 + Normal
05/24/2026 09 PM PDT 128.94 7716 + Normal
05/24/2026 10 PM PDT 128.96 7766 + Normal
05/24/2026 11 PM PDT 128.96 7766 0 Normal
05/25/2026 12 AM PDT 128.98 7816 + Normal
05/25/2026 01 AM PDT 129.01 7891 + Normal
05/25/2026 02 AM PDT 129.02 7915 + Normal
05/25/2026 03 AM PDT 129.03 7940 + Normal
05/25/2026 04 AM PDT 129.03 7940 0 Normal
05/25/2026 05 AM PDT 129.04 7965 + Normal
05/25/2026 06 AM PDT 129.05 7990 + Normal
05/25/2026 07 AM PDT 129.05 7990 0 Normal
05/25/2026 08 AM PDT 129.02 7915 - Normal
05/25/2026 09 AM PDT 129.03 7940 + Normal
05/25/2026 10 AM PDT 129.05 7990 + Normal
05/25/2026 11 AM PDT 129.06 8014 + Normal
05/25/2026 12 PM PDT 129.07 8040 + Normal
05/25/2026 01 PM PDT 129.06 8014 - Normal
05/25/2026 02 PM PDT 129.08 8065 + Normal
05/25/2026 03 PM PDT 129.07 8040 - Normal
05/25/2026 04 PM PDT 129.06 8014 - Normal
05/25/2026 05 PM PDT 129.06 8014 0 Normal
05/25/2026 06 PM PDT 129.08 8065 + Normal
05/25/2026 07 PM PDT 129.06 8014 - Normal
05/25/2026 08 PM PDT 129.08 8065 + Normal
05/25/2026 09 PM PDT 129.11 8140 + Normal
05/25/2026 10 PM PDT 129.11 8140 0 Normal
05/25/2026 11 PM PDT 129.15 8239 + Normal
05/26/2026 12 AM PDT 129.16 8264 + Normal
05/26/2026 01 AM PDT 129.15 8239 - Normal
05/26/2026 02 AM PDT 129.16 8264 + Normal
05/26/2026 03 AM PDT 129.17 8289 + Normal
05/26/2026 04 AM PDT 129.18 8314 + Normal
05/26/2026 05 AM PDT 129.23 8439 + Normal
05/26/2026 06 AM PDT 129.23 8439 0 Normal
05/26/2026 07 AM PDT 129.24 8464 + Normal
05/26/2026 08 AM PDT 129.24 8464 0 Normal
05/26/2026 09 AM PDT 129.25 8489 + Normal
05/26/2026 10 AM PDT 129.27 8539 + Normal
05/26/2026 11 AM PDT 129.28 8564 + Normal
05/26/2026 12 PM PDT 129.27 8539 - Normal
05/26/2026 01 PM PDT 129.28 8564 + Normal
05/26/2026 02 PM PDT 129.28 8564 0 Normal
05/26/2026 03 PM PDT 129.29 8590 + Normal
05/26/2026 04 PM PDT 129.25 8489 - Normal
05/26/2026 05 PM PDT 129.26 8514 + Normal
05/26/2026 06 PM PDT 129.28 8564 + Normal
05/26/2026 07 PM PDT 129.28 8564 0 Normal
05/26/2026 08 PM PDT 129.27 8539 - Normal
05/26/2026 09 PM PDT 129.27 8539 0 Normal
05/26/2026 10 PM PDT 129.27 8539 0 Normal
05/26/2026 11 PM PDT 129.27 8539 0 Normal
05/27/2026 12 AM PDT 129.26 8514 - Normal
05/27/2026 01 AM PDT 129.25 8489 - Normal
05/27/2026 02 AM PDT 129.24 8464 - Normal
05/27/2026 03 AM PDT 129.23 8439 - Normal
05/27/2026 04 AM PDT 129.23 8439 0 Normal
05/27/2026 05 AM PDT 129.22 8414 - Normal
05/27/2026 06 AM PDT 129.22 8414 0 Normal
05/27/2026 07 AM PDT 129.22 8414 0 Normal
05/27/2026 08 AM PDT 129.21 8390 - Normal
05/27/2026 09 AM PDT 129.22 8414 + Normal
05/27/2026 10 AM PDT 129.21 8390 - Normal
05/27/2026 11 AM PDT 129.21 8390 0 Normal
05/27/2026 12 PM PDT 129.21 8390 0 Normal
05/27/2026 01 PM PDT 129.21 8390 0 Normal
05/27/2026 02 PM PDT 129.20 8365 - Normal
05/27/2026 03 PM PDT 129.18 8314 - Normal
05/27/2026 04 PM PDT 129.18 8314 0 Normal
05/27/2026 05 PM PDT 129.18 8314 0 Normal
05/27/2026 06 PM PDT 129.17 8289 - Normal
05/27/2026 07 PM PDT 129.16 8264 - Normal
05/27/2026 08 PM PDT 129.16 8264 0 Normal
05/27/2026 09 PM PDT 129.16 8264 0 Normal
05/27/2026 10 PM PDT 129.15 8239 - Normal
05/27/2026 11 PM PDT 129.16 8264 + Normal
05/28/2026 12 AM PDT 129.16 8264 0 Normal
05/28/2026 01 AM PDT 129.16 8264 0 Normal
05/28/2026 02 AM PDT 129.17 8289 + Normal
05/28/2026 03 AM PDT 129.18 8314 + Normal
05/28/2026 04 AM PDT 129.18 8314 0 Normal
05/28/2026 05 AM PDT 129.19 8340 + Normal
05/28/2026 06 AM PDT 129.19 8340 0 Normal
05/28/2026 07 AM PDT 129.20 8365 + Normal
05/28/2026 08 AM PDT 129.22 8414 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/28/2026 09 AM PDT 129.24 8464 Normal
05/28/2026 10 AM PDT 129.27 8539 + Normal
05/28/2026 11 AM PDT 129.32 8665 + Normal
05/28/2026 12 PM PDT 129.36 8765 + Normal
05/28/2026 01 PM PDT 129.41 8891 + Normal
05/28/2026 02 PM PDT 129.46 9016 + Normal
05/28/2026 03 PM PDT 129.50 9118 + Normal
05/28/2026 04 PM PDT 129.54 9218 + Normal
05/28/2026 05 PM PDT 129.57 9294 + Normal
05/28/2026 06 PM PDT 129.60 9371 + Normal
05/28/2026 07 PM PDT 129.61 9397 + Normal
05/28/2026 08 PM PDT 129.62 9424 + Normal
05/28/2026 09 PM PDT 129.61 9397 - Normal
05/28/2026 10 PM PDT 129.60 9371 - Normal
05/28/2026 11 PM PDT 129.58 9320 - Normal
05/29/2026 12 AM PDT 129.55 9244 - Normal
05/29/2026 01 AM PDT 129.51 9143 - Normal
05/29/2026 02 AM PDT 129.47 9042 - Normal
05/29/2026 03 AM PDT 129.44 8966 - Normal
05/29/2026 04 AM PDT 129.40 8866 - Normal
05/29/2026 05 AM PDT 129.37 8790 - Normal
05/29/2026 06 AM PDT 129.34 8715 - Normal
05/29/2026 07 AM PDT 129.32 8665 - Normal
05/29/2026 08 AM PDT 129.30 8615 - Normal
05/29/2026 09 AM PDT 129.28 8564 - Normal
05/29/2026 10 AM PDT 129.27 8539 - Normal
05/29/2026 11 AM PDT 129.26 8514 - Normal
05/29/2026 12 PM PDT 129.25 8489 - Normal
05/29/2026 01 PM PDT 129.25 8489 0 Normal
05/29/2026 02 PM PDT 129.25 8489 0 Normal
05/29/2026 03 PM PDT 129.25 8489 0 Normal
05/29/2026 04 PM PDT 129.25 8489 0 Normal
05/29/2026 05 PM PDT 129.26 8514 + Normal
05/29/2026 06 PM PDT 129.26 8514 0 Normal
05/29/2026 07 PM PDT 129.27 8539 + Normal
05/29/2026 08 PM PDT 129.27 8539 0 Normal
05/29/2026 09 PM PDT 129.28 8564 + Normal
05/29/2026 10 PM PDT 129.28 8564 0 Normal
05/29/2026 11 PM PDT 129.27 8539 - Normal
05/30/2026 12 AM PDT 129.27 8539 0 Normal
05/30/2026 01 AM PDT 129.26 8514 - Normal
05/30/2026 02 AM PDT 129.25 8489 - Normal
05/30/2026 03 AM PDT 129.25 8489 0 Normal
05/30/2026 04 AM PDT 129.24 8464 - Normal
05/30/2026 05 AM PDT 129.23 8439 - Normal
05/30/2026 06 AM PDT 129.22 8414 - Normal
05/30/2026 07 AM PDT 129.21 8390 - Normal
05/30/2026 08 AM PDT 129.21 8390 0 Normal
05/30/2026 09 AM PDT 129.20 8365 - Normal
05/30/2026 10 AM PDT 129.19 8340 - Normal
05/30/2026 11 AM PDT 129.19 8340 0 Normal
05/30/2026 12 PM PDT 129.18 8314 - Normal
05/30/2026 01 PM PDT 129.18 8314 0 Normal
05/30/2026 02 PM PDT 129.17 8289 - Normal
05/30/2026 03 PM PDT 129.17 8289 0 Normal
05/30/2026 04 PM PDT 129.17 8289 0 Normal
05/30/2026 05 PM PDT 129.16 8264 - Normal
05/30/2026 06 PM PDT 129.16 8264 0 Normal
05/30/2026 07 PM PDT 129.16 8264 0 Normal
05/30/2026 08 PM PDT 129.16 8264 0 Normal
05/30/2026 09 PM PDT 129.16 8264 0 Normal
05/30/2026 10 PM PDT 129.15 8239 - Normal
05/30/2026 11 PM PDT 129.15 8239 0 Normal
05/31/2026 12 AM PDT 129.15 8239 0 Normal
05/31/2026 01 AM PDT 129.15 8239 0 Normal
05/31/2026 02 AM PDT 129.14 8214 - Normal
05/31/2026 03 AM PDT 129.14 8214 0 Normal
05/31/2026 04 AM PDT 129.14 8214 0 Normal
05/31/2026 05 AM PDT 129.14 8214 0 Normal
05/31/2026 06 AM PDT 129.14 8214 0 Normal
05/31/2026 07 AM PDT 129.14 8214 0 Normal
05/31/2026 08 AM PDT 129.14 8214 0 Normal
05/31/2026 09 AM PDT 129.14 8214 0 Normal
05/31/2026 10 AM PDT 129.14 8214 0 Normal
05/31/2026 11 AM PDT 129.13 8189 - Normal
05/31/2026 12 PM PDT 129.13 8189 0 Normal
05/31/2026 01 PM PDT 129.13 8189 0 Normal
05/31/2026 02 PM PDT 129.13 8189 0 Normal
05/31/2026 03 PM PDT 129.13 8189 0 Normal
05/31/2026 04 PM PDT 129.13 8189 0 Normal
05/31/2026 05 PM PDT 129.13 8189 0 Normal
05/31/2026 06 PM PDT 129.13 8189 0 Normal
05/31/2026 07 PM PDT 129.13 8189 0 Normal
05/31/2026 08 PM PDT 129.13 8189 0 Normal
05/31/2026 09 PM PDT 129.13 8189 0 Normal
05/31/2026 10 PM PDT 129.13 8189 0 Normal
05/31/2026 11 PM PDT 129.13 8189 0 Normal
06/01/2026 12 AM PDT 129.13 8189 0 Normal
06/01/2026 01 AM PDT 129.12 8164 - Normal
06/01/2026 02 AM PDT 129.12 8164 0 Normal
06/01/2026 03 AM PDT 129.12 8164 0 Normal
06/01/2026 04 AM PDT 129.12 8164 0 Normal
06/01/2026 05 AM PDT 129.12 8164 0 Normal
06/01/2026 06 AM PDT 129.12 8164 0 Normal
06/01/2026 07 AM PDT 129.12 8164 0 Normal
06/01/2026 08 AM PDT 129.12 8164 0 Normal
06/01/2026 09 AM PDT 129.12 8164 0 Normal
06/01/2026 10 AM PDT 129.12 8164 0 Normal
06/01/2026 11 AM PDT 129.12 8164 0 Normal
06/01/2026 12 PM PDT 129.12 8164 0 Normal
06/01/2026 01 PM PDT 129.12 8164 0 Normal
06/01/2026 02 PM PDT 129.12 8164 0 Normal
06/01/2026 03 PM PDT 129.12 8164 0 Normal
06/01/2026 04 PM PDT 129.12 8164 0 Normal
06/01/2026 05 PM PDT 129.12 8164 0 Normal
06/01/2026 06 PM PDT 129.12 8164 0 Normal
06/01/2026 07 PM PDT 129.12 8164 0 Normal
06/01/2026 08 PM PDT 129.12 8164 0 Normal
06/01/2026 09 PM PDT 129.12 8164 0 Normal
06/01/2026 10 PM PDT 129.12 8164 0 Normal
06/01/2026 11 PM PDT 129.11 8140 - Normal
06/02/2026 12 AM PDT 129.11 8140 0 Normal
06/02/2026 01 AM PDT 129.11 8140 0 Normal
06/02/2026 02 AM PDT 129.11 8140 0 Normal
06/02/2026 03 AM PDT 129.11 8140 0 Normal
06/02/2026 04 AM PDT 129.11 8140 0 Normal
06/02/2026 05 AM PDT 129.11 8140 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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