National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
Latitude: 39.75º NLongitude: 122.00º WElevation: 125 Feet
Location: Glenn County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jan 21 2026 at 2:16 PM PSTNext Issuance: Jan 22 2026 at 9:00 AM PST
Action/Monitor: 142.0 FeetMinor Flood: 147.0 FeetModerate Flood: 149.2 FeetMajor 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.