SACRAMENTO RIVER - HAMILTON CITY (HAMC1)
Latitude: 39.75º NLongitude: 122.00º WElevation: 125 FeetForecast Type: Official Location
Location: Glenn County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Feb 24 2026 at 7:34 PM PSTNext Issuance: Feb 25 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:  02/24/2026 at 07:35 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/19/2026 at 10:00 PM PST
# Maximum Observed Stage:                       134.05 Feet
# Maximum Observed Flow:                        25659 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/25/2026 at 05:00 PM PST
# Maximum Forecast Stage:                       145.28 Feet
# Maximum Forecast Flow:                        90340 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/19/2026 07 PM PST          133.67          24076                        Normal
  02/19/2026 08 PM PST          133.92          25113         +              Normal
  02/19/2026 09 PM PST          134.04          25617         +              Normal
  02/19/2026 10 PM PST          134.05          25659         +              Normal
  02/19/2026 11 PM PST          134.03          25575         -              Normal
  02/20/2026 12 AM PST          133.99          25408         -              Normal
  02/20/2026 01 AM PST          133.96          25281         -              Normal
  02/20/2026 02 AM PST          133.96          25281         0              Normal
  02/20/2026 03 AM PST          133.97          25323         +              Normal
  02/20/2026 04 AM PST          133.98          25365         +              Normal
  02/20/2026 05 AM PST          133.98          25365         0              Normal
  02/20/2026 06 AM PST          133.96          25281         -              Normal
  02/20/2026 07 AM PST          133.91          25072         -              Normal
  02/20/2026 08 AM PST          133.83          24735         -              Normal
  02/20/2026 09 AM PST          133.73          24322         -              Normal
  02/20/2026 10 AM PST          133.59          23749         -              Normal
  02/20/2026 11 AM PST          133.47          23256         -              Normal
  02/20/2026 12 PM PST          133.32          22641         -              Normal
  02/20/2026 01 PM PST          133.15          21959         -              Normal
  02/20/2026 02 PM PST          133.00          21360         -              Normal
  02/20/2026 03 PM PST          132.84          20735         -              Normal
  02/20/2026 04 PM PST          132.69          20151         -              Normal
  02/20/2026 05 PM PST          132.54          19565         -              Normal
  02/20/2026 06 PM PST          132.40          19030         -              Normal
  02/20/2026 07 PM PST          132.27          18535         -              Normal
  02/20/2026 08 PM PST          132.15          18084         -              Normal
  02/20/2026 09 PM PST          132.04          17677         -              Normal
  02/20/2026 10 PM PST          131.95          17344         -              Normal
  02/20/2026 11 PM PST          131.87          17048         -              Normal
  02/21/2026 12 AM PST          131.80          16790         -              Normal
  02/21/2026 01 AM PST          131.74          16573         -              Normal
  02/21/2026 02 AM PST          131.69          16394         -              Normal
  02/21/2026 03 AM PST          131.64          16213         -              Normal
  02/21/2026 04 AM PST          131.58          15997         -              Normal
  02/21/2026 05 AM PST          131.54          15853         -              Normal
  02/21/2026 06 AM PST          131.49          15674         -              Normal
  02/21/2026 07 AM PST          131.45          15529         -              Normal
  02/21/2026 08 AM PST          131.40          15350         -              Normal
  02/21/2026 09 AM PST          131.37          15244         -              Normal
  02/21/2026 10 AM PST          131.33          15104         -              Normal
  02/21/2026 11 AM PST          131.29          14965         -              Normal
  02/21/2026 12 PM PST          131.26          14859         -              Normal
  02/21/2026 01 PM PST          131.23          14754         -              Normal
  02/21/2026 02 PM PST          131.19          14615         -              Normal
  02/21/2026 03 PM PST          131.16          14509         -              Normal
  02/21/2026 04 PM PST          131.14          14439         -              Normal
  02/21/2026 05 PM PST          131.11          14335         -              Normal
  02/21/2026 06 PM PST          131.09          14266         -              Normal
  02/21/2026 07 PM PST          131.06          14163         -              Normal
  02/21/2026 08 PM PST          131.03          14061         -              Normal
  02/21/2026 09 PM PST          131.00          13960         -              Normal
  02/21/2026 10 PM PST          130.96          13823         -              Normal
  02/21/2026 11 PM PST          130.94          13755         -              Normal
  02/22/2026 12 AM PST          130.92          13687         -              Normal
  02/22/2026 01 AM PST          130.89          13586         -              Normal
  02/22/2026 02 AM PST          130.87          13517         -              Normal
  02/22/2026 03 AM PST          130.84          13415         -              Normal
  02/22/2026 04 AM PST          130.82          13347         -              Normal
  02/22/2026 05 AM PST          130.80          13280         -              Normal
  02/22/2026 06 AM PST          130.78          13211         -              Normal
  02/22/2026 07 AM PST          130.76          13143         -              Normal
  02/22/2026 08 AM PST          130.75          13109         -              Normal
  02/22/2026 09 AM PST          130.75          13109         0              Normal
  02/22/2026 10 AM PST          130.74          13075         -              Normal
  02/22/2026 11 AM PST          130.73          13041         -              Normal
  02/22/2026 12 PM PST          130.72          13007         -              Normal
  02/22/2026 01 PM PST          130.71          12974         -              Normal
  02/22/2026 02 PM PST          130.68          12873         -              Normal
  02/22/2026 03 PM PST          130.66          12807         -              Normal
  02/22/2026 04 PM PST          130.62          12675         -              Normal
  02/22/2026 05 PM PST          130.61          12643         -              Normal
  02/22/2026 06 PM PST          130.60          12610         -              Normal
  02/22/2026 07 PM PST          130.59          12577         -              Normal
  02/22/2026 08 PM PST          130.57          12510         -              Normal
  02/22/2026 09 PM PST          130.56          12477         -              Normal
  02/22/2026 10 PM PST          130.55          12444         -              Normal
  02/22/2026 11 PM PST          130.54          12411         -              Normal
  02/23/2026 12 AM PST          130.53          12378         -              Normal
  02/23/2026 01 AM PST          130.53          12378         0              Normal
  02/23/2026 02 AM PST          130.51          12313         -              Normal
  02/23/2026 03 AM PST          130.51          12313         0              Normal
  02/23/2026 04 AM PST          130.51          12313         0              Normal
  02/23/2026 05 AM PST          130.51          12313         0              Normal
  02/23/2026 06 AM PST          130.52          12345         +              Normal
  02/23/2026 07 AM PST          130.53          12378         +              Normal
  02/23/2026 08 AM PST          130.55          12444         +              Normal
  02/23/2026 09 AM PST          130.55          12444         0              Normal
  02/23/2026 10 AM PST          130.56          12477         +              Normal
  02/23/2026 11 AM PST          130.57          12510         +              Normal
  02/23/2026 12 PM PST          130.57          12510         0              Normal
  02/23/2026 01 PM PST          130.58          12543         +              Normal
  02/23/2026 02 PM PST          130.58          12543         0              Normal
  02/23/2026 03 PM PST          130.59          12577         +              Normal
  02/23/2026 04 PM PST          130.60          12610         +              Normal
  02/23/2026 05 PM PST          130.60          12610         0              Normal
  02/23/2026 06 PM PST          130.61          12643         +              Normal
  02/23/2026 07 PM PST          130.63          12708         +              Normal
  02/23/2026 08 PM PST          130.63          12708         0              Normal
  02/23/2026 09 PM PST          130.65          12774         +              Normal
  02/23/2026 10 PM PST          130.64          12741         -              Normal
  02/23/2026 11 PM PST          130.63          12708         -              Normal
  02/24/2026 12 AM PST          130.61          12643         -              Normal
  02/24/2026 01 AM PST          130.61          12643         0              Normal
  02/24/2026 02 AM PST          130.61          12643         0              Normal
  02/24/2026 03 AM PST          130.63          12708         +              Normal
  02/24/2026 04 AM PST          130.64          12741         +              Normal
  02/24/2026 05 AM PST          130.63          12708         -              Normal
  02/24/2026 06 AM PST          130.64          12741         +              Normal
  02/24/2026 07 AM PST          130.65          12774         +              Normal
  02/24/2026 08 AM PST          130.68          12873         +              Normal
  02/24/2026 09 AM PST          130.68          12873         0              Normal
  02/24/2026 10 AM PST          130.70          12940         +              Normal
  02/24/2026 11 AM PST          130.74          13075         +              Normal
  02/24/2026 12 PM PST          130.81          13314         +              Normal
  02/24/2026 01 PM PST          130.96          13823         +              Normal
  02/24/2026 02 PM PST          131.19          14615         +              Normal
  02/24/2026 03 PM PST          131.64          16213         +              Normal
  02/24/2026 04 PM PST          132.15          18084         +              Normal
  02/24/2026 05 PM PST          132.71          20229         +              Normal
  02/24/2026 06 PM PST          133.32          22641         +              Normal
  02/24/2026 07 PM PST          133.75          24404         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/24/2026 08 PM PST          134.50          27590                        Normal
  02/24/2026 09 PM PST          135.57          32344         +              Normal
  02/24/2026 10 PM PST          136.79          38082         +              Normal
  02/24/2026 11 PM PST          137.94          44169         +              Normal
  02/25/2026 12 AM PST          139.02          50244         +              Normal
  02/25/2026 01 AM PST          140.06          56339         +              Normal
  02/25/2026 02 AM PST          141.04          62297         +              Normal
  02/25/2026 03 AM PST          141.78          66934         +              Normal
  02/25/2026 04 AM PST          142.33          70451         +      Action/Monitor
  02/25/2026 05 AM PST          142.86          73899         +      Action/Monitor
  02/25/2026 06 AM PST          143.31          76867         +      Action/Monitor
  02/25/2026 07 AM PST          143.70          79480         +      Action/Monitor
  02/25/2026 08 AM PST          144.04          81771         +      Action/Monitor
  02/25/2026 09 AM PST          144.32          83686         +      Action/Monitor
  02/25/2026 10 AM PST          144.57          85402         +      Action/Monitor
  02/25/2026 11 AM PST          144.78          86852         +      Action/Monitor
  02/25/2026 12 PM PST          144.94          87965         +      Action/Monitor
  02/25/2026 01 PM PST          145.07          88869         +      Action/Monitor
  02/25/2026 02 PM PST          145.17          89569         +      Action/Monitor
  02/25/2026 03 PM PST          145.24          90059         +      Action/Monitor
  02/25/2026 04 PM PST          145.27          90269         +      Action/Monitor
  02/25/2026 05 PM PST          145.28          90340         +      Action/Monitor
  02/25/2026 06 PM PST          145.27          90269         -      Action/Monitor
  02/25/2026 07 PM PST          145.24          90059         -      Action/Monitor
  02/25/2026 08 PM PST          145.19          89710         -      Action/Monitor
  02/25/2026 09 PM PST          145.12          89220         -      Action/Monitor
  02/25/2026 10 PM PST          145.04          88659         -      Action/Monitor
  02/25/2026 11 PM PST          144.94          87965         -      Action/Monitor
  02/26/2026 12 AM PST          144.79          86921         -      Action/Monitor
  02/26/2026 01 AM PST          144.57          85402         -      Action/Monitor
  02/26/2026 02 AM PST          144.26          83273         -      Action/Monitor
  02/26/2026 03 AM PST          143.87          80625         -      Action/Monitor
  02/26/2026 04 AM PST          143.41          77537         -      Action/Monitor
  02/26/2026 05 AM PST          142.88          74030         -      Action/Monitor
  02/26/2026 06 AM PST          142.32          70388         -      Action/Monitor
  02/26/2026 07 AM PST          141.74          66681         -              Normal
  02/26/2026 08 AM PST          141.09          62608         -              Normal
  02/26/2026 09 AM PST          140.33          57959         -              Normal
  02/26/2026 10 AM PST          139.67          54022         -              Normal
  02/26/2026 11 AM PST          139.13          50873         -              Normal
  02/26/2026 12 PM PST          138.68          48298         -              Normal
  02/26/2026 01 PM PST          138.28          46050         -              Normal
  02/26/2026 02 PM PST          137.91          44005         -              Normal
  02/26/2026 03 PM PST          137.59          42256         -              Normal
  02/26/2026 04 PM PST          137.30          40700         -              Normal
  02/26/2026 05 PM PST          137.04          39311         -              Normal
  02/26/2026 06 PM PST          136.78          38034         -              Normal
  02/26/2026 07 PM PST          136.54          36881         -              Normal
  02/26/2026 08 PM PST          136.31          35788         -              Normal
  02/26/2026 09 PM PST          136.09          34753         -              Normal
  02/26/2026 10 PM PST          135.89          33823         -              Normal
  02/26/2026 11 PM PST          135.70          32940         -              Normal
  02/27/2026 12 AM PST          135.52          32120         -              Normal
  02/27/2026 01 AM PST          135.35          31344         -              Normal
  02/27/2026 02 AM PST          135.19          30625         -              Normal
  02/27/2026 03 AM PST          135.04          29955         -              Normal
  02/27/2026 04 AM PST          134.89          29295         -              Normal
  02/27/2026 05 AM PST          134.75          28674         -              Normal
  02/27/2026 06 AM PST          134.62          28107         -              Normal
  02/27/2026 07 AM PST          134.49          27546         -              Normal
  02/27/2026 08 AM PST          134.37          27023         -              Normal
  02/27/2026 09 AM PST          134.26          26557         -              Normal
  02/27/2026 10 AM PST          134.16          26127         -              Normal
  02/27/2026 11 AM PST          134.06          25701         -              Normal
  02/27/2026 12 PM PST          133.97          25323         -              Normal
  02/27/2026 01 PM PST          133.89          24988         -              Normal
  02/27/2026 02 PM PST          133.81          24652         -              Normal
  02/27/2026 03 PM PST          133.74          24363         -              Normal
  02/27/2026 04 PM PST          133.66          24035         -              Normal
  02/27/2026 05 PM PST          133.59          23749         -              Normal
  02/27/2026 06 PM PST          133.53          23502         -              Normal
  02/27/2026 07 PM PST          133.47          23256         -              Normal
  02/27/2026 08 PM PST          133.40          22970         -              Normal
  02/27/2026 09 PM PST          133.34          22723         -              Normal
  02/27/2026 10 PM PST          133.28          22479         -              Normal
  02/27/2026 11 PM PST          133.23          22279         -              Normal
  02/28/2026 12 AM PST          133.17          22039         -              Normal
  02/28/2026 01 AM PST          133.11          21800         -              Normal
  02/28/2026 02 AM PST          133.06          21599         -              Normal
  02/28/2026 03 AM PST          133.01          21400         -              Normal
  02/28/2026 04 AM PST          132.96          21203         -              Normal
  02/28/2026 05 AM PST          132.92          21047         -              Normal
  02/28/2026 06 AM PST          132.88          20891         -              Normal
  02/28/2026 07 AM PST          132.85          20774         -              Normal
  02/28/2026 08 AM PST          132.82          20657         -              Normal
  02/28/2026 09 AM PST          132.79          20541         -              Normal
  02/28/2026 10 AM PST          132.76          20423         -              Normal
  02/28/2026 11 AM PST          132.73          20306         -              Normal
  02/28/2026 12 PM PST          132.71          20229         -              Normal
  02/28/2026 01 PM PST          132.68          20111         -              Normal
  02/28/2026 02 PM PST          132.66          20033         -              Normal
  02/28/2026 03 PM PST          132.64          19955         -              Normal
  02/28/2026 04 PM PST          132.62          19877         -              Normal
  02/28/2026 05 PM PST          132.59          19761         -              Normal
  02/28/2026 06 PM PST          132.57          19682         -              Normal
  02/28/2026 07 PM PST          132.55          19604         -              Normal
  02/28/2026 08 PM PST          132.53          19526         -              Normal
  02/28/2026 09 PM PST          132.51          19449         -              Normal
  02/28/2026 10 PM PST          132.48          19333         -              Normal
  02/28/2026 11 PM PST          132.46          19257         -              Normal
  03/01/2026 12 AM PST          132.44          19181         -              Normal
  03/01/2026 01 AM PST          132.42          19105         -              Normal
  03/01/2026 02 AM PST          132.40          19030         -              Normal
  03/01/2026 03 AM PST          132.38          18953         -              Normal
  03/01/2026 04 AM PST          132.36          18877         -              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.