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SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
| Latitude: 39.75º N | Longitude: 122.00º W | Elevation: 125 Feet | | | |
| Location: Glenn County in California | Bulletin Group: Upper Sacramento | River Group: Upper Sacramento |
| Issuance Time: | Dec 26 2025 at 1:22 PM PST | Next Issuance: | Dec 27 2025 at 9:00 AM PST
| |
| 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: 12/26/2025 at 01:22 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 12/25/2025 at 09:00 PM PST
# Maximum Observed Stage: 143.08 Feet
# Maximum Observed Flow: 75348 cfs
#
# Earliest Date & Time of Maximum Forecast: 12/26/2025 at 02:00 PM PST
# Maximum Forecast Stage: 139.10 Feet
# Maximum Forecast Flow: 50700 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
12/21/2025 01 PM PST 133.60 24000 Normal
12/21/2025 02 PM PST 133.90 25230 + Normal
12/21/2025 03 PM PST 134.23 26605 + Normal
12/21/2025 04 PM PST 134.55 27964 + Normal
12/21/2025 05 PM PST 134.91 29523 + Normal
12/21/2025 06 PM PST 135.34 31415 + Normal
12/21/2025 07 PM PST 135.74 33213 + Normal
12/21/2025 08 PM PST 136.16 35141 + Normal
12/21/2025 09 PM PST 136.56 37011 + Normal
12/21/2025 10 PM PST 136.92 38724 + Normal
12/21/2025 11 PM PST 137.28 40591 + Normal
12/22/2025 12 AM PST 137.61 42365 + Normal
12/22/2025 01 AM PST 137.96 44279 + Normal
12/22/2025 02 AM PST 138.29 46105 + Normal
12/22/2025 03 AM PST 138.63 48017 + Normal
12/22/2025 04 AM PST 138.92 49665 + Normal
12/22/2025 05 AM PST 139.17 51105 + Normal
12/22/2025 06 AM PST 139.41 52499 + Normal
12/22/2025 07 AM PST 139.68 54082 + Normal
12/22/2025 08 AM PST 139.96 55739 + Normal
12/22/2025 09 AM PST 140.26 57539 + Normal
12/22/2025 10 AM PST 140.57 59416 + Normal
12/22/2025 11 AM PST 140.88 61308 + Normal
12/22/2025 12 PM PST 141.21 63352 + Normal
12/22/2025 01 PM PST 141.50 65170 + Normal
12/22/2025 02 PM PST 141.77 66870 + Normal
12/22/2025 03 PM PST 142.02 68458 + Action/Monitor
12/22/2025 04 PM PST 142.22 69740 + Action/Monitor
12/22/2025 05 PM PST 142.36 70643 + Action/Monitor
12/22/2025 06 PM PST 142.49 71485 + Action/Monitor
12/22/2025 07 PM PST 142.56 71939 + Action/Monitor
12/22/2025 08 PM PST 142.58 72070 + Action/Monitor
12/22/2025 09 PM PST 142.54 71809 - Action/Monitor
12/22/2025 10 PM PST 142.45 71224 - Action/Monitor
12/22/2025 11 PM PST 142.28 70130 - Action/Monitor
12/23/2025 12 AM PST 142.05 68649 - Action/Monitor
12/23/2025 01 AM PST 141.71 66493 - Normal
12/23/2025 02 AM PST 141.33 64098 - Normal
12/23/2025 03 AM PST 140.90 61430 - Normal
12/23/2025 04 AM PST 140.43 58562 - Normal
12/23/2025 05 AM PST 139.96 55739 - Normal
12/23/2025 06 AM PST 139.50 53030 - Normal
12/23/2025 07 AM PST 139.09 50643 - Normal
12/23/2025 08 AM PST 138.71 48467 - Normal
12/23/2025 09 AM PST 138.38 46607 - Normal
12/23/2025 10 AM PST 138.07 44884 - Normal
12/23/2025 11 AM PST 137.79 43346 - Normal
12/23/2025 12 PM PST 137.56 42093 - Normal
12/23/2025 01 PM PST 137.39 41177 - Normal
12/23/2025 02 PM PST 137.25 40429 - Normal
12/23/2025 03 PM PST 137.14 39841 - Normal
12/23/2025 04 PM PST 137.07 39470 - Normal
12/23/2025 05 PM PST 137.01 39153 - Normal
12/23/2025 06 PM PST 136.96 38911 - Normal
12/23/2025 07 PM PST 136.93 38770 - Normal
12/23/2025 08 PM PST 136.89 38582 - Normal
12/23/2025 09 PM PST 136.83 38293 - Normal
12/23/2025 10 PM PST 136.78 38054 - Normal
12/23/2025 11 PM PST 136.72 37766 - Normal
12/24/2025 12 AM PST 136.57 37058 - Normal
12/24/2025 01 AM PST 136.41 36307 - Normal
12/24/2025 02 AM PST 136.22 35422 - Normal
12/24/2025 03 AM PST 135.99 34354 - Normal
12/24/2025 04 AM PST 135.76 33305 - Normal
12/24/2025 05 AM PST 135.54 32309 - Normal
12/24/2025 06 AM PST 135.31 31284 - Normal
12/24/2025 07 AM PST 135.11 30394 - Normal
12/24/2025 08 AM PST 135.04 30085 - Normal
12/24/2025 09 AM PST 135.14 30525 + Normal
12/24/2025 10 AM PST 135.48 32040 + Normal
12/24/2025 11 AM PST 136.05 34629 + Normal
12/24/2025 12 PM PST 136.75 37909 + Normal
12/24/2025 01 PM PST 137.47 41607 + Normal
12/24/2025 02 PM PST 138.05 44774 + Normal
12/24/2025 03 PM PST 138.55 47564 + Normal
12/24/2025 04 PM PST 138.86 49321 + Normal
12/24/2025 05 PM PST 139.08 50586 + Normal
12/24/2025 06 PM PST 139.25 51569 + Normal
12/24/2025 07 PM PST 139.32 51976 + Normal
12/24/2025 08 PM PST 139.40 52440 + Normal
12/24/2025 09 PM PST 139.51 53088 + Normal
12/24/2025 10 PM PST 139.50 53030 - Normal
12/24/2025 11 PM PST 139.45 52734 - Normal
12/25/2025 12 AM PST 139.41 52499 - Normal
12/25/2025 01 AM PST 139.39 52382 - Normal
12/25/2025 02 AM PST 139.40 52440 + Normal
12/25/2025 03 AM PST 139.55 53319 + Normal
12/25/2025 04 AM PST 139.75 54494 + Normal
12/25/2025 05 AM PST 140.03 56159 + Normal
12/25/2025 06 AM PST 140.36 58139 + Normal
12/25/2025 07 AM PST 140.65 59904 + Normal
12/25/2025 08 AM PST 140.90 61430 + Normal
12/25/2025 09 AM PST 141.11 62732 + Normal
12/25/2025 10 AM PST 141.29 63848 + Normal
12/25/2025 11 AM PST 141.55 65479 + Normal
12/25/2025 12 PM PST 141.78 66934 + Normal
12/25/2025 01 PM PST 142.05 68649 + Action/Monitor
12/25/2025 02 PM PST 142.35 70579 + Action/Monitor
12/25/2025 03 PM PST 142.54 71809 + Action/Monitor
12/25/2025 04 PM PST 142.77 73311 + Action/Monitor
12/25/2025 05 PM PST 142.88 74030 + Action/Monitor
12/25/2025 06 PM PST 142.96 74555 + Action/Monitor
12/25/2025 07 PM PST 143.03 75017 + Action/Monitor
12/25/2025 08 PM PST 143.08 75348 + Action/Monitor
12/25/2025 09 PM PST 143.08 75348 0 Action/Monitor
12/25/2025 10 PM PST 143.07 75281 - Action/Monitor
12/25/2025 11 PM PST 143.01 74886 - Action/Monitor
12/26/2025 12 AM PST 142.93 74357 - Action/Monitor
12/26/2025 01 AM PST 142.80 73510 - Action/Monitor
12/26/2025 02 AM PST 142.63 72394 - Action/Monitor
12/26/2025 03 AM PST 142.42 71030 - Action/Monitor
12/26/2025 04 AM PST 142.20 69610 - Action/Monitor
12/26/2025 05 AM PST 141.98 68202 - Normal
12/26/2025 06 AM PST 141.73 66618 - Normal
12/26/2025 07 AM PST 141.46 64917 - Normal
12/26/2025 08 AM PST 141.18 63166 - Normal
12/26/2025 09 AM PST 140.88 61308 - Normal
12/26/2025 10 AM PST 140.56 59355 - Normal
12/26/2025 11 AM PST 140.23 57359 - Normal
12/26/2025 12 PM PST 139.85 55084 - Normal
12/26/2025 01 PM PST 139.47 52852 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
12/26/2025 02 PM PST 139.10 50700 Normal
12/26/2025 03 PM PST 138.72 48523 - Normal
12/26/2025 04 PM PST 138.36 46495 - Normal
12/26/2025 05 PM PST 138.04 44719 - Normal
12/26/2025 06 PM PST 137.75 43129 - Normal
12/26/2025 07 PM PST 137.51 41824 - Normal
12/26/2025 08 PM PST 137.30 40700 - Normal
12/26/2025 09 PM PST 137.15 39894 - Normal
12/26/2025 10 PM PST 137.03 39258 - Normal
12/26/2025 11 PM PST 136.91 38677 - Normal
12/27/2025 12 AM PST 136.81 38198 - Normal
12/27/2025 01 AM PST 136.70 37670 - Normal
12/27/2025 02 AM PST 136.57 37058 - Normal
12/27/2025 03 AM PST 136.43 36400 - Normal
12/27/2025 04 AM PST 136.29 35744 - Normal
12/27/2025 05 AM PST 136.19 35283 - Normal
12/27/2025 06 AM PST 136.11 34907 - Normal
12/27/2025 07 AM PST 136.08 34768 - Normal
12/27/2025 08 AM PST 136.06 34675 - Normal
12/27/2025 09 AM PST 136.06 34675 0 Normal
12/27/2025 10 AM PST 136.05 34629 - Normal
12/27/2025 11 AM PST 136.03 34537 - Normal
12/27/2025 12 PM PST 136.04 34583 + Normal
12/27/2025 01 PM PST 136.03 34537 - Normal
12/27/2025 02 PM PST 135.99 34354 - Normal
12/27/2025 03 PM PST 135.92 34032 - Normal
12/27/2025 04 PM PST 135.83 33624 - Normal
12/27/2025 05 PM PST 135.72 33122 - Normal
12/27/2025 06 PM PST 135.58 32490 - Normal
12/27/2025 07 PM PST 135.44 31859 - Normal
12/27/2025 08 PM PST 135.28 31150 - Normal
12/27/2025 09 PM PST 135.11 30394 - Normal
12/27/2025 10 PM PST 134.94 29651 - Normal
12/27/2025 11 PM PST 134.75 28824 - Normal
12/28/2025 12 AM PST 134.56 28007 - Normal
12/28/2025 01 AM PST 134.36 27151 - Normal
12/28/2025 02 AM PST 134.17 26353 - Normal
12/28/2025 03 AM PST 133.97 25516 - Normal
12/28/2025 04 AM PST 133.79 24769 - Normal
12/28/2025 05 AM PST 133.60 24000 - Normal
12/28/2025 06 AM PST 133.42 23269 - Normal
12/28/2025 07 AM PST 133.25 22589 - Normal
12/28/2025 08 AM PST 133.09 21951 - Normal
12/28/2025 09 AM PST 132.96 21443 - Normal
12/28/2025 10 AM PST 132.84 20975 - Normal
12/28/2025 11 AM PST 132.73 20553 - Normal
12/28/2025 12 PM PST 132.63 20166 - Normal
12/28/2025 01 PM PST 132.55 19859 - Normal
12/28/2025 02 PM PST 132.47 19555 - Normal
12/28/2025 03 PM PST 132.39 19253 - Normal
12/28/2025 04 PM PST 132.32 18993 - Normal
12/28/2025 05 PM PST 132.26 18767 - Normal
12/28/2025 06 PM PST 132.20 18540 - Normal
12/28/2025 07 PM PST 132.14 18317 - Normal
12/28/2025 08 PM PST 132.09 18134 - Normal
12/28/2025 09 PM PST 132.04 17953 - Normal
12/28/2025 10 PM PST 131.99 17773 - Normal
12/28/2025 11 PM PST 131.95 17624 - Normal
12/29/2025 12 AM PST 131.91 17477 - Normal
12/29/2025 01 AM PST 131.87 17331 - Normal
12/29/2025 02 AM PST 131.84 17223 - Normal
12/29/2025 03 AM PST 131.80 17080 - Normal
12/29/2025 04 AM PST 131.77 16971 - Normal
12/29/2025 05 AM PST 131.74 16863 - Normal
12/29/2025 06 AM PST 131.71 16756 - Normal
12/29/2025 07 AM PST 131.68 16647 - Normal
12/29/2025 08 AM PST 131.65 16539 - Normal
12/29/2025 09 AM PST 131.62 16431 - Normal
12/29/2025 10 AM PST 131.59 16324 - Normal
12/29/2025 11 AM PST 131.56 16215 - Normal
12/29/2025 12 PM PST 131.53 16107 - Normal
12/29/2025 01 PM PST 131.51 16036 - Normal
12/29/2025 02 PM PST 131.48 15929 - Normal
12/29/2025 03 PM PST 131.45 15824 - Normal
12/29/2025 04 PM PST 131.42 15719 - Normal
12/29/2025 05 PM PST 131.41 15685 - Normal
12/29/2025 06 PM PST 131.41 15685 0 Normal
12/29/2025 07 PM PST 131.46 15859 + Normal
12/29/2025 08 PM PST 131.53 16107 + Normal
12/29/2025 09 PM PST 131.64 16503 + Normal
12/29/2025 10 PM PST 131.75 16899 + Normal
12/29/2025 11 PM PST 131.87 17331 + Normal
12/30/2025 12 AM PST 131.97 17698 + Normal
12/30/2025 01 AM PST 132.06 18025 + Normal
12/30/2025 02 AM PST 132.14 18317 + Normal
12/30/2025 03 AM PST 132.20 18540 + Normal
12/30/2025 04 AM PST 132.24 18691 + Normal
12/30/2025 05 AM PST 132.27 18805 + Normal
12/30/2025 06 AM PST 132.29 18882 + Normal
12/30/2025 07 AM PST 132.30 18920 + Normal
12/30/2025 08 AM PST 132.30 18920 0 Normal
12/30/2025 09 AM PST 132.30 18920 0 Normal
12/30/2025 10 AM PST 132.30 18920 0 Normal
12/30/2025 11 AM PST 132.29 18882 - Normal
12/30/2025 12 PM PST 132.28 18843 - Normal
12/30/2025 01 PM PST 132.27 18805 - Normal
12/30/2025 02 PM PST 132.26 18767 - Normal
12/30/2025 03 PM PST 132.25 18729 - Normal
12/30/2025 04 PM PST 132.24 18691 - Normal
12/30/2025 05 PM PST 132.22 18615 - Normal
12/30/2025 06 PM PST 132.21 18578 - Normal
12/30/2025 07 PM PST 132.19 18503 - Normal
12/30/2025 08 PM PST 132.16 18391 - Normal
12/30/2025 09 PM PST 132.14 18317 - Normal
12/30/2025 10 PM PST 132.10 18170 - Normal
12/30/2025 11 PM PST 132.06 18025 - Normal
12/31/2025 12 AM PST 132.02 17881 - Normal
12/31/2025 01 AM PST 131.97 17698 - Normal
12/31/2025 02 AM PST 131.93 17550 - Normal
12/31/2025 03 AM PST 131.89 17404 - Normal
12/31/2025 04 AM PST 131.85 17259 - 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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