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: Mar 02 2026 at 12:54 PM PSTNext Issuance: Mar 03 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:  03/02/2026 at 12:55 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/25/2026 at 09:00 PM PST
# Maximum Observed Stage:                       146.67 Feet
# Maximum Observed Flow:                        100284 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/02/2026 at 01:00 PM PST
# Maximum Forecast Stage:                       131.79 Feet
# Maximum Forecast Flow:                        16754 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/25/2026 12 PM PST          145.27          90269                Action/Monitor
  02/25/2026 01 PM PST          145.58          92458         +      Action/Monitor
  02/25/2026 02 PM PST          145.85          94374         +      Action/Monitor
  02/25/2026 03 PM PST          146.05          95809         +      Action/Monitor
  02/25/2026 04 PM PST          146.23          97095         +      Action/Monitor
  02/25/2026 05 PM PST          146.38          98184         +      Action/Monitor
  02/25/2026 06 PM PST          146.46          98761         +      Action/Monitor
  02/25/2026 07 PM PST          146.57          99560         +      Action/Monitor
  02/25/2026 08 PM PST          146.63          99996         +      Action/Monitor
  02/25/2026 09 PM PST          146.67         100284         +      Action/Monitor
  02/25/2026 10 PM PST          146.66         100211         -      Action/Monitor
  02/25/2026 11 PM PST          146.64         100067         -      Action/Monitor
  02/26/2026 12 AM PST          146.58          99634         -      Action/Monitor
  02/26/2026 01 AM PST          146.45          98689         -      Action/Monitor
  02/26/2026 02 AM PST          146.28          97456         -      Action/Monitor
  02/26/2026 03 AM PST          146.04          95737         -      Action/Monitor
  02/26/2026 04 AM PST          145.71          93381         -      Action/Monitor
  02/26/2026 05 AM PST          145.33          90692         -      Action/Monitor
  02/26/2026 06 AM PST          144.85          87339         -      Action/Monitor
  02/26/2026 07 AM PST          144.34          83821         -      Action/Monitor
  02/26/2026 08 AM PST          143.78          80016         -      Action/Monitor
  02/26/2026 09 AM PST          143.18          76008         -      Action/Monitor
  02/26/2026 10 AM PST          142.58          72070         -      Action/Monitor
  02/26/2026 11 AM PST          141.99          68266         -              Normal
  02/26/2026 12 PM PST          141.41          64603         -              Normal
  02/26/2026 01 PM PST          140.85          61124         -              Normal
  02/26/2026 02 PM PST          140.33          57959         -              Normal
  02/26/2026 03 PM PST          139.82          54908         -              Normal
  02/26/2026 04 PM PST          139.34          52091         -              Normal
  02/26/2026 05 PM PST          138.88          49436         -              Normal
  02/26/2026 06 PM PST          138.46          47055         -              Normal
  02/26/2026 07 PM PST          138.06          44829         -              Normal
  02/26/2026 08 PM PST          137.70          42860         -              Normal
  02/26/2026 09 PM PST          137.36          41017         -              Normal
  02/26/2026 10 PM PST          137.05          39364         -              Normal
  02/26/2026 11 PM PST          136.77          37985         -              Normal
  02/27/2026 12 AM PST          136.56          36977         -              Normal
  02/27/2026 01 AM PST          136.31          35788         -              Normal
  02/27/2026 02 AM PST          136.12          34894         -              Normal
  02/27/2026 03 AM PST          135.94          34053         -              Normal
  02/27/2026 04 AM PST          135.78          33308         -              Normal
  02/27/2026 05 AM PST          135.64          32663         -              Normal
  02/27/2026 06 AM PST          135.50          32030         -              Normal
  02/27/2026 07 AM PST          135.38          31480         -              Normal
  02/27/2026 08 AM PST          135.26          30939         -              Normal
  02/27/2026 09 AM PST          135.15          30444         -              Normal
  02/27/2026 10 AM PST          135.04          29955         -              Normal
  02/27/2026 11 AM PST          134.93          29471         -              Normal
  02/27/2026 12 PM PST          134.83          29024         -              Normal
  02/27/2026 01 PM PST          134.73          28588         -              Normal
  02/27/2026 02 PM PST          134.63          28151         -              Normal
  02/27/2026 03 PM PST          134.53          27718         -              Normal
  02/27/2026 04 PM PST          134.44          27325         -              Normal
  02/27/2026 05 PM PST          134.34          26897         -              Normal
  02/27/2026 06 PM PST          134.26          26557         -              Normal
  02/27/2026 07 PM PST          134.18          26213         -              Normal
  02/27/2026 08 PM PST          134.10          25870         -              Normal
  02/27/2026 09 PM PST          134.02          25533         -              Normal
  02/27/2026 10 PM PST          133.95          25239         -              Normal
  02/27/2026 11 PM PST          133.88          24945         -              Normal
  02/28/2026 12 AM PST          133.81          24652         -              Normal
  02/28/2026 01 AM PST          133.75          24404         -              Normal
  02/28/2026 02 AM PST          133.69          24159         -              Normal
  02/28/2026 03 AM PST          133.64          23953         -              Normal
  02/28/2026 04 AM PST          133.59          23749         -              Normal
  02/28/2026 05 AM PST          133.55          23584         -              Normal
  02/28/2026 06 AM PST          133.50          23380         -              Normal
  02/28/2026 07 AM PST          133.46          23215         -              Normal
  02/28/2026 08 AM PST          133.42          23051         -              Normal
  02/28/2026 09 AM PST          133.38          22887         -              Normal
  02/28/2026 10 AM PST          133.33          22682         -              Normal
  02/28/2026 11 AM PST          133.29          22520         -              Normal
  02/28/2026 12 PM PST          133.24          22319         -              Normal
  02/28/2026 01 PM PST          133.20          22160         -              Normal
  02/28/2026 02 PM PST          133.16          21999         -              Normal
  02/28/2026 03 PM PST          133.10          21760         -              Normal
  02/28/2026 04 PM PST          133.06          21599         -              Normal
  02/28/2026 05 PM PST          133.02          21439         -              Normal
  02/28/2026 06 PM PST          132.98          21281         -              Normal
  02/28/2026 07 PM PST          132.94          21125         -              Normal
  02/28/2026 08 PM PST          132.89          20931         -              Normal
  02/28/2026 09 PM PST          132.86          20813         -              Normal
  02/28/2026 10 PM PST          132.82          20657         -              Normal
  02/28/2026 11 PM PST          132.78          20501         -              Normal
  03/01/2026 12 AM PST          132.74          20345         -              Normal
  03/01/2026 01 AM PST          132.71          20229         -              Normal
  03/01/2026 02 AM PST          132.68          20111         -              Normal
  03/01/2026 03 AM PST          132.66          20033         -              Normal
  03/01/2026 04 AM PST          132.64          19955         -              Normal
  03/01/2026 05 AM PST          132.62          19877         -              Normal
  03/01/2026 06 AM PST          132.59          19761         -              Normal
  03/01/2026 07 AM PST          132.57          19682         -              Normal
  03/01/2026 08 AM PST          132.53          19526         -              Normal
  03/01/2026 09 AM PST          132.52          19487         -              Normal
  03/01/2026 10 AM PST          132.50          19410         -              Normal
  03/01/2026 11 AM PST          132.47          19295         -              Normal
  03/01/2026 12 PM PST          132.45          19219         -              Normal
  03/01/2026 01 PM PST          132.42          19105         -              Normal
  03/01/2026 02 PM PST          132.41          19068         -              Normal
  03/01/2026 03 PM PST          132.45          19219         +              Normal
  03/01/2026 04 PM PST          132.45          19219         0              Normal
  03/01/2026 05 PM PST          132.45          19219         0              Normal
  03/01/2026 06 PM PST          132.44          19181         -              Normal
  03/01/2026 07 PM PST          132.41          19068         -              Normal
  03/01/2026 08 PM PST          132.38          18953         -              Normal
  03/01/2026 09 PM PST          132.35          18839         -              Normal
  03/01/2026 10 PM PST          132.31          18688         -              Normal
  03/01/2026 11 PM PST          132.27          18535         -              Normal
  03/02/2026 12 AM PST          132.24          18421         -              Normal
  03/02/2026 01 AM PST          132.20          18270         -              Normal
  03/02/2026 02 AM PST          132.17          18158         -              Normal
  03/02/2026 03 AM PST          132.14          18047         -              Normal
  03/02/2026 04 AM PST          132.12          17973         -              Normal
  03/02/2026 05 AM PST          132.09          17863         -              Normal
  03/02/2026 06 AM PST          132.04          17677         -              Normal
  03/02/2026 07 AM PST          132.02          17603         -              Normal
  03/02/2026 08 AM PST          131.99          17493         -              Normal
  03/02/2026 09 AM PST          131.93          17270         -              Normal
  03/02/2026 10 AM PST          131.90          17160         -              Normal
  03/02/2026 11 AM PST          131.86          17011         -              Normal
  03/02/2026 12 PM PST          131.83          16900         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/02/2026 01 PM PST          131.79          16754                        Normal
  03/02/2026 02 PM PST          131.76          16645         -              Normal
  03/02/2026 03 PM PST          131.73          16537         -              Normal
  03/02/2026 04 PM PST          131.70          16430         -              Normal
  03/02/2026 05 PM PST          131.67          16321         -              Normal
  03/02/2026 06 PM PST          131.65          16249         -              Normal
  03/02/2026 07 PM PST          131.63          16177         -              Normal
  03/02/2026 08 PM PST          131.63          16177         0              Normal
  03/02/2026 09 PM PST          131.63          16177         0              Normal
  03/02/2026 10 PM PST          131.62          16141         -              Normal
  03/02/2026 11 PM PST          131.61          16106         -              Normal
  03/03/2026 12 AM PST          131.59          16034         -              Normal
  03/03/2026 01 AM PST          131.57          15961         -              Normal
  03/03/2026 02 AM PST          131.54          15853         -              Normal
  03/03/2026 03 AM PST          131.51          15746         -              Normal
  03/03/2026 04 AM PST          131.48          15637         -              Normal
  03/03/2026 05 AM PST          131.45          15529         -              Normal
  03/03/2026 06 AM PST          131.41          15386         -              Normal
  03/03/2026 07 AM PST          131.38          15279         -              Normal
  03/03/2026 08 AM PST          131.35          15174         -              Normal
  03/03/2026 09 AM PST          131.33          15104         -              Normal
  03/03/2026 10 AM PST          131.31          15035         -              Normal
  03/03/2026 11 AM PST          131.29          14965         -              Normal
  03/03/2026 12 PM PST          131.27          14894         -              Normal
  03/03/2026 01 PM PST          131.26          14859         -              Normal
  03/03/2026 02 PM PST          131.24          14789         -              Normal
  03/03/2026 03 PM PST          131.23          14754         -              Normal
  03/03/2026 04 PM PST          131.21          14685         -              Normal
  03/03/2026 05 PM PST          131.20          14650         -              Normal
  03/03/2026 06 PM PST          131.18          14579         -              Normal
  03/03/2026 07 PM PST          131.17          14544         -              Normal
  03/03/2026 08 PM PST          131.16          14509         -              Normal
  03/03/2026 09 PM PST          131.14          14439         -              Normal
  03/03/2026 10 PM PST          131.13          14404         -              Normal
  03/03/2026 11 PM PST          131.12          14369         -              Normal
  03/04/2026 12 AM PST          131.10          14300         -              Normal
  03/04/2026 01 AM PST          131.09          14266         -              Normal
  03/04/2026 02 AM PST          131.08          14231         -              Normal
  03/04/2026 03 AM PST          131.06          14163         -              Normal
  03/04/2026 04 AM PST          131.05          14129         -              Normal
  03/04/2026 05 AM PST          131.04          14095         -              Normal
  03/04/2026 06 AM PST          131.03          14061         -              Normal
  03/04/2026 07 AM PST          131.01          13994         -              Normal
  03/04/2026 08 AM PST          131.00          13960         -              Normal
  03/04/2026 09 AM PST          130.99          13926         -              Normal
  03/04/2026 10 AM PST          130.98          13891         -              Normal
  03/04/2026 11 AM PST          130.97          13857         -              Normal
  03/04/2026 12 PM PST          130.96          13823         -              Normal
  03/04/2026 01 PM PST          130.95          13789         -              Normal
  03/04/2026 02 PM PST          130.94          13755         -              Normal
  03/04/2026 03 PM PST          130.93          13721         -              Normal
  03/04/2026 04 PM PST          130.92          13687         -              Normal
  03/04/2026 05 PM PST          130.91          13654         -              Normal
  03/04/2026 06 PM PST          130.91          13654         0              Normal
  03/04/2026 07 PM PST          130.90          13620         -              Normal
  03/04/2026 08 PM PST          130.89          13586         -              Normal
  03/04/2026 09 PM PST          130.89          13586         0              Normal
  03/04/2026 10 PM PST          130.88          13551         -              Normal
  03/04/2026 11 PM PST          130.88          13551         0              Normal
  03/05/2026 12 AM PST          130.87          13517         -              Normal
  03/05/2026 01 AM PST          130.86          13483         -              Normal
  03/05/2026 02 AM PST          130.85          13449         -              Normal
  03/05/2026 03 AM PST          130.84          13415         -              Normal
  03/05/2026 04 AM PST          130.83          13381         -              Normal
  03/05/2026 05 AM PST          130.83          13381         0              Normal
  03/05/2026 06 AM PST          130.82          13347         -              Normal
  03/05/2026 07 AM PST          130.82          13347         0              Normal
  03/05/2026 08 AM PST          130.82          13347         0              Normal
  03/05/2026 09 AM PST          130.82          13347         0              Normal
  03/05/2026 10 AM PST          130.82          13347         0              Normal
  03/05/2026 11 AM PST          130.83          13381         +              Normal
  03/05/2026 12 PM PST          130.83          13381         0              Normal
  03/05/2026 01 PM PST          130.83          13381         0              Normal
  03/05/2026 02 PM PST          130.83          13381         0              Normal
  03/05/2026 03 PM PST          130.83          13381         0              Normal
  03/05/2026 04 PM PST          130.82          13347         -              Normal
  03/05/2026 05 PM PST          130.81          13314         -              Normal
  03/05/2026 06 PM PST          130.80          13280         -              Normal
  03/05/2026 07 PM PST          130.78          13211         -              Normal
  03/05/2026 08 PM PST          130.77          13177         -              Normal
  03/05/2026 09 PM PST          130.75          13109         -              Normal
  03/05/2026 10 PM PST          130.73          13041         -              Normal
  03/05/2026 11 PM PST          130.70          12940         -              Normal
  03/06/2026 12 AM PST          130.68          12873         -              Normal
  03/06/2026 01 AM PST          130.65          12774         -              Normal
  03/06/2026 02 AM PST          130.63          12708         -              Normal
  03/06/2026 03 AM PST          130.60          12610         -              Normal
  03/06/2026 04 AM PST          130.58          12543         -              Normal
  03/06/2026 05 AM PST          130.56          12477         -              Normal
  03/06/2026 06 AM PST          130.54          12411         -              Normal
  03/06/2026 07 AM PST          130.52          12345         -              Normal
  03/06/2026 08 AM PST          130.50          12280         -              Normal
  03/06/2026 09 AM PST          130.49          12248         -              Normal
  03/06/2026 10 AM PST          130.47          12183         -              Normal
  03/06/2026 11 AM PST          130.46          12151         -              Normal
  03/06/2026 12 PM PST          130.45          12119         -              Normal
  03/06/2026 01 PM PST          130.43          12055         -              Normal
  03/06/2026 02 PM PST          130.42          12023         -              Normal
  03/06/2026 03 PM PST          130.41          11992         -              Normal
  03/06/2026 04 PM PST          130.40          11960         -              Normal
  03/06/2026 05 PM PST          130.39          11927         -              Normal
  03/06/2026 06 PM PST          130.38          11893         -              Normal
  03/06/2026 07 PM PST          130.37          11860         -              Normal
  03/06/2026 08 PM PST          130.36          11827         -              Normal
  03/06/2026 09 PM PST          130.35          11794         -              Normal
  03/06/2026 10 PM PST          130.34          11761         -              Normal
  03/06/2026 11 PM PST          130.33          11728         -              Normal
  03/07/2026 12 AM PST          130.32          11695         -              Normal
  03/07/2026 01 AM PST          130.31          11663         -              Normal
  03/07/2026 02 AM PST          130.30          11630         -              Normal
  03/07/2026 03 AM PST          130.29          11598         -              Normal
  03/07/2026 04 AM PST          130.28          11565         -              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.