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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: | Jan 21 2026 at 2:16 PM PST | Next Issuance: | Jan 22 2026 at 9:00 AM PST
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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: 01/21/2026 at 02:16 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 01/16/2026 at 02:00 PM PST
# Maximum Observed Stage: 132.64 Feet
# Maximum Observed Flow: 20205 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/21/2026 at 03:00 PM PST
# Maximum Forecast Stage: 132.37 Feet
# Maximum Forecast Flow: 19178 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
01/16/2026 02 PM PST 132.64 20205 Normal
01/16/2026 03 PM PST 132.62 20127 - Normal
01/16/2026 04 PM PST 132.60 20050 - Normal
01/16/2026 05 PM PST 132.59 20012 - Normal
01/16/2026 06 PM PST 132.57 19935 - Normal
01/16/2026 07 PM PST 132.57 19935 0 Normal
01/16/2026 08 PM PST 132.56 19897 - Normal
01/16/2026 09 PM PST 132.55 19859 - Normal
01/16/2026 10 PM PST 132.55 19859 0 Normal
01/16/2026 11 PM PST 132.54 19821 - Normal
01/17/2026 12 AM PST 132.54 19821 0 Normal
01/17/2026 01 AM PST 132.54 19821 0 Normal
01/17/2026 02 AM PST 132.54 19821 0 Normal
01/17/2026 03 AM PST 132.54 19821 0 Normal
01/17/2026 04 AM PST 132.55 19859 + Normal
01/17/2026 05 AM PST 132.56 19897 + Normal
01/17/2026 06 AM PST 132.56 19897 0 Normal
01/17/2026 07 AM PST 132.57 19935 + Normal
01/17/2026 08 AM PST 132.58 19973 + Normal
01/17/2026 09 AM PST 132.59 20012 + Normal
01/17/2026 10 AM PST 132.59 20012 0 Normal
01/17/2026 11 AM PST 132.60 20050 + Normal
01/17/2026 12 PM PST 132.59 20012 - Normal
01/17/2026 01 PM PST 132.59 20012 0 Normal
01/17/2026 02 PM PST 132.58 19973 - Normal
01/17/2026 03 PM PST 132.57 19935 - Normal
01/17/2026 04 PM PST 132.55 19859 - Normal
01/17/2026 05 PM PST 132.55 19859 0 Normal
01/17/2026 06 PM PST 132.54 19821 - Normal
01/17/2026 07 PM PST 132.55 19859 + Normal
01/17/2026 08 PM PST 132.54 19821 - Normal
01/17/2026 09 PM PST 132.54 19821 0 Normal
01/17/2026 10 PM PST 132.54 19821 0 Normal
01/17/2026 11 PM PST 132.54 19821 0 Normal
01/18/2026 12 AM PST 132.53 19783 - Normal
01/18/2026 01 AM PST 132.53 19783 0 Normal
01/18/2026 02 AM PST 132.52 19745 - Normal
01/18/2026 03 AM PST 132.52 19745 0 Normal
01/18/2026 04 AM PST 132.51 19708 - Normal
01/18/2026 05 AM PST 132.50 19670 - Normal
01/18/2026 06 AM PST 132.50 19670 0 Normal
01/18/2026 07 AM PST 132.50 19670 0 Normal
01/18/2026 08 AM PST 132.51 19708 + Normal
01/18/2026 09 AM PST 132.51 19708 0 Normal
01/18/2026 10 AM PST 132.50 19670 - Normal
01/18/2026 11 AM PST 132.50 19670 0 Normal
01/18/2026 12 PM PST 132.52 19745 + Normal
01/18/2026 01 PM PST 132.51 19708 - Normal
01/18/2026 02 PM PST 132.52 19745 + Normal
01/18/2026 03 PM PST 132.51 19708 - Normal
01/18/2026 04 PM PST 132.51 19708 0 Normal
01/18/2026 05 PM PST 132.51 19708 0 Normal
01/18/2026 06 PM PST 132.50 19670 - Normal
01/18/2026 07 PM PST 132.50 19670 0 Normal
01/18/2026 08 PM PST 132.50 19670 0 Normal
01/18/2026 09 PM PST 132.50 19670 0 Normal
01/18/2026 10 PM PST 132.50 19670 0 Normal
01/18/2026 11 PM PST 132.49 19632 - Normal
01/19/2026 12 AM PST 132.49 19632 0 Normal
01/19/2026 01 AM PST 132.49 19632 0 Normal
01/19/2026 02 AM PST 132.49 19632 0 Normal
01/19/2026 03 AM PST 132.48 19593 - Normal
01/19/2026 04 AM PST 132.48 19593 0 Normal
01/19/2026 05 AM PST 132.48 19593 0 Normal
01/19/2026 06 AM PST 132.48 19593 0 Normal
01/19/2026 07 AM PST 132.46 19517 - Normal
01/19/2026 08 AM PST 132.48 19593 + Normal
01/19/2026 09 AM PST 132.47 19555 - Normal
01/19/2026 10 AM PST 132.47 19555 0 Normal
01/19/2026 11 AM PST 132.47 19555 0 Normal
01/19/2026 12 PM PST 132.47 19555 0 Normal
01/19/2026 01 PM PST 132.47 19555 0 Normal
01/19/2026 02 PM PST 132.47 19555 0 Normal
01/19/2026 03 PM PST 132.45 19479 - Normal
01/19/2026 04 PM PST 132.46 19517 + Normal
01/19/2026 05 PM PST 132.45 19479 - Normal
01/19/2026 06 PM PST 132.45 19479 0 Normal
01/19/2026 07 PM PST 132.45 19479 0 Normal
01/19/2026 08 PM PST 132.45 19479 0 Normal
01/19/2026 09 PM PST 132.45 19479 0 Normal
01/19/2026 10 PM PST 132.45 19479 0 Normal
01/19/2026 11 PM PST 132.45 19479 0 Normal
01/20/2026 12 AM PST 132.44 19441 - Normal
01/20/2026 01 AM PST 132.44 19441 0 Normal
01/20/2026 02 AM PST 132.44 19441 0 Normal
01/20/2026 03 AM PST 132.43 19403 - Normal
01/20/2026 04 AM PST 132.43 19403 0 Normal
01/20/2026 05 AM PST 132.43 19403 0 Normal
01/20/2026 06 AM PST 132.42 19365 - Normal
01/20/2026 07 AM PST 132.41 19328 - Normal
01/20/2026 08 AM PST 132.41 19328 0 Normal
01/20/2026 09 AM PST 132.41 19328 0 Normal
01/20/2026 10 AM PST 132.41 19328 0 Normal
01/20/2026 11 AM PST 132.41 19328 0 Normal
01/20/2026 12 PM PST 132.41 19328 0 Normal
01/20/2026 01 PM PST 132.42 19365 + Normal
01/20/2026 02 PM PST 132.41 19328 - Normal
01/20/2026 03 PM PST 132.41 19328 0 Normal
01/20/2026 04 PM PST 132.42 19365 + Normal
01/20/2026 05 PM PST 132.41 19328 - Normal
01/20/2026 06 PM PST 132.41 19328 0 Normal
01/20/2026 07 PM PST 132.41 19328 0 Normal
01/20/2026 08 PM PST 132.41 19328 0 Normal
01/20/2026 09 PM PST 132.41 19328 0 Normal
01/20/2026 10 PM PST 132.41 19328 0 Normal
01/20/2026 11 PM PST 132.40 19290 - Normal
01/21/2026 12 AM PST 132.40 19290 0 Normal
01/21/2026 01 AM PST 132.39 19253 - Normal
01/21/2026 02 AM PST 132.39 19253 0 Normal
01/21/2026 03 AM PST 132.39 19253 0 Normal
01/21/2026 04 AM PST 132.38 19215 - Normal
01/21/2026 05 AM PST 132.38 19215 0 Normal
01/21/2026 06 AM PST 132.38 19215 0 Normal
01/21/2026 07 AM PST 132.38 19215 0 Normal
01/21/2026 08 AM PST 132.37 19178 - Normal
01/21/2026 09 AM PST 132.37 19178 0 Normal
01/21/2026 10 AM PST 132.37 19178 0 Normal
01/21/2026 11 AM PST 132.37 19178 0 Normal
01/21/2026 12 PM PST 132.37 19178 0 Normal
01/21/2026 01 PM PST 132.37 19178 0 Normal
01/21/2026 02 PM PST 132.37 19178 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
01/21/2026 03 PM PST 132.37 19178 Normal
01/21/2026 04 PM PST 132.37 19178 0 Normal
01/21/2026 05 PM PST 132.37 19178 0 Normal
01/21/2026 06 PM PST 132.37 19178 0 Normal
01/21/2026 07 PM PST 132.36 19141 - Normal
01/21/2026 08 PM PST 132.36 19141 0 Normal
01/21/2026 09 PM PST 132.36 19141 0 Normal
01/21/2026 10 PM PST 132.36 19141 0 Normal
01/21/2026 11 PM PST 132.36 19141 0 Normal
01/22/2026 12 AM PST 132.36 19141 0 Normal
01/22/2026 01 AM PST 132.36 19141 0 Normal
01/22/2026 02 AM PST 132.36 19141 0 Normal
01/22/2026 03 AM PST 132.36 19141 0 Normal
01/22/2026 04 AM PST 132.35 19104 - Normal
01/22/2026 05 AM PST 132.35 19104 0 Normal
01/22/2026 06 AM PST 132.35 19104 0 Normal
01/22/2026 07 AM PST 132.35 19104 0 Normal
01/22/2026 08 AM PST 132.35 19104 0 Normal
01/22/2026 09 AM PST 132.35 19104 0 Normal
01/22/2026 10 AM PST 132.34 19067 - Normal
01/22/2026 11 AM PST 132.34 19067 0 Normal
01/22/2026 12 PM PST 132.34 19067 0 Normal
01/22/2026 01 PM PST 132.34 19067 0 Normal
01/22/2026 02 PM PST 132.34 19067 0 Normal
01/22/2026 03 PM PST 132.33 19030 - Normal
01/22/2026 04 PM PST 132.33 19030 0 Normal
01/22/2026 05 PM PST 132.33 19030 0 Normal
01/22/2026 06 PM PST 132.33 19030 0 Normal
01/22/2026 07 PM PST 132.32 18993 - Normal
01/22/2026 08 PM PST 132.31 18957 - Normal
01/22/2026 09 PM PST 132.30 18920 - Normal
01/22/2026 10 PM PST 132.28 18843 - Normal
01/22/2026 11 PM PST 132.26 18767 - Normal
01/23/2026 12 AM PST 132.23 18653 - Normal
01/23/2026 01 AM PST 132.20 18540 - Normal
01/23/2026 02 AM PST 132.16 18391 - Normal
01/23/2026 03 AM PST 132.12 18243 - Normal
01/23/2026 04 AM PST 132.08 18097 - Normal
01/23/2026 05 AM PST 132.04 17953 - Normal
01/23/2026 06 AM PST 132.01 17846 - Normal
01/23/2026 07 AM PST 131.98 17735 - Normal
01/23/2026 08 AM PST 131.95 17624 - Normal
01/23/2026 09 AM PST 131.93 17550 - Normal
01/23/2026 10 AM PST 131.91 17477 - Normal
01/23/2026 11 AM PST 131.90 17440 - Normal
01/23/2026 12 PM PST 131.89 17404 - Normal
01/23/2026 01 PM PST 131.88 17367 - Normal
01/23/2026 02 PM PST 131.87 17331 - Normal
01/23/2026 03 PM PST 131.87 17331 0 Normal
01/23/2026 04 PM PST 131.86 17295 - Normal
01/23/2026 05 PM PST 131.86 17295 0 Normal
01/23/2026 06 PM PST 131.85 17259 - Normal
01/23/2026 07 PM PST 131.85 17259 0 Normal
01/23/2026 08 PM PST 131.84 17223 - Normal
01/23/2026 09 PM PST 131.82 17151 - Normal
01/23/2026 10 PM PST 131.80 17080 - Normal
01/23/2026 11 PM PST 131.78 17007 - Normal
01/24/2026 12 AM PST 131.75 16899 - Normal
01/24/2026 01 AM PST 131.72 16791 - Normal
01/24/2026 02 AM PST 131.68 16647 - Normal
01/24/2026 03 AM PST 131.65 16539 - Normal
01/24/2026 04 AM PST 131.62 16431 - Normal
01/24/2026 05 AM PST 131.59 16324 - Normal
01/24/2026 06 AM PST 131.57 16251 - Normal
01/24/2026 07 AM PST 131.54 16143 - Normal
01/24/2026 08 AM PST 131.53 16107 - Normal
01/24/2026 09 AM PST 131.51 16036 - Normal
01/24/2026 10 AM PST 131.50 16000 - Normal
01/24/2026 11 AM PST 131.49 15965 - Normal
01/24/2026 12 PM PST 131.48 15929 - Normal
01/24/2026 01 PM PST 131.48 15929 0 Normal
01/24/2026 02 PM PST 131.47 15894 - Normal
01/24/2026 03 PM PST 131.47 15894 0 Normal
01/24/2026 04 PM PST 131.46 15859 - Normal
01/24/2026 05 PM PST 131.46 15859 0 Normal
01/24/2026 06 PM PST 131.45 15824 - Normal
01/24/2026 07 PM PST 131.45 15824 0 Normal
01/24/2026 08 PM PST 131.44 15789 - Normal
01/24/2026 09 PM PST 131.42 15719 - Normal
01/24/2026 10 PM PST 131.40 15650 - Normal
01/24/2026 11 PM PST 131.37 15544 - Normal
01/25/2026 12 AM PST 131.34 15439 - Normal
01/25/2026 01 AM PST 131.30 15300 - Normal
01/25/2026 02 AM PST 131.26 15163 - Normal
01/25/2026 03 AM PST 131.23 15061 - Normal
01/25/2026 04 AM PST 131.19 14925 - Normal
01/25/2026 05 AM PST 131.16 14819 - Normal
01/25/2026 06 AM PST 131.13 14714 - Normal
01/25/2026 07 AM PST 131.11 14645 - Normal
01/25/2026 08 AM PST 131.09 14576 - Normal
01/25/2026 09 AM PST 131.07 14507 - Normal
01/25/2026 10 AM PST 131.06 14473 - Normal
01/25/2026 11 AM PST 131.05 14439 - Normal
01/25/2026 12 PM PST 131.04 14405 - Normal
01/25/2026 01 PM PST 131.03 14371 - Normal
01/25/2026 02 PM PST 131.03 14371 0 Normal
01/25/2026 03 PM PST 131.02 14337 - Normal
01/25/2026 04 PM PST 131.01 14304 - Normal
01/25/2026 05 PM PST 131.01 14304 0 Normal
01/25/2026 06 PM PST 131.00 14270 - Normal
01/25/2026 07 PM PST 131.00 14270 0 Normal
01/25/2026 08 PM PST 130.99 14236 - Normal
01/25/2026 09 PM PST 130.97 14167 - Normal
01/25/2026 10 PM PST 130.95 14099 - Normal
01/25/2026 11 PM PST 130.93 14031 - Normal
01/26/2026 12 AM PST 130.90 13930 - Normal
01/26/2026 01 AM PST 130.86 13793 - Normal
01/26/2026 02 AM PST 130.83 13691 - Normal
01/26/2026 03 AM PST 130.79 13557 - Normal
01/26/2026 04 AM PST 130.76 13457 - 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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