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: Jul 06 2025 at 7:19 AM PDTNext Issuance: Jul 07 2025 at 9:00 AM PDT
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:  07/06/2025 at 07:19 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/02/2025 at 10:00 PM PDT
# Maximum Observed Stage:                       130.46 Feet
# Maximum Observed Flow:                        12471 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/06/2025 at 01:00 PM PDT
# Maximum Forecast Stage:                       130.07 Feet
# Maximum Forecast Flow:                        11226 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/01/2025 07 AM PDT          129.70          10090                        Normal
  07/01/2025 08 AM PDT          129.73          10179         +              Normal
  07/01/2025 09 AM PDT          129.76          10269         +              Normal
  07/01/2025 10 AM PDT          129.79          10360         +              Normal
  07/01/2025 11 AM PDT          129.82          10451         +              Normal
  07/01/2025 12 PM PDT          129.83          10482         +              Normal
  07/01/2025 01 PM PDT          129.84          10513         +              Normal
  07/01/2025 02 PM PDT          129.85          10544         +              Normal
  07/01/2025 03 PM PDT          129.84          10513         -              Normal
  07/01/2025 04 PM PDT          129.82          10451         -              Normal
  07/01/2025 05 PM PDT          129.79          10360         -              Normal
  07/01/2025 06 PM PDT          129.75          10239         -              Normal
  07/01/2025 07 PM PDT          129.71          10120         -              Normal
  07/01/2025 08 PM PDT          129.68          10013         -              Normal
  07/01/2025 09 PM PDT          129.66           9937         -              Normal
  07/01/2025 10 PM PDT          129.65           9899         -              Normal
  07/01/2025 11 PM PDT          129.63           9823         -              Normal
  07/02/2025 12 AM PDT          129.60           9711         -              Normal
  07/02/2025 01 AM PDT          129.61           9748         +              Normal
  07/02/2025 02 AM PDT          129.63           9823         +              Normal
  07/02/2025 03 AM PDT          129.64           9861         +              Normal
  07/02/2025 04 AM PDT          129.67           9975         +              Normal
  07/02/2025 05 AM PDT          129.69          10051         +              Normal
  07/02/2025 06 AM PDT          129.71          10120         +              Normal
  07/02/2025 07 AM PDT          129.72          10149         +              Normal
  07/02/2025 08 AM PDT          129.73          10179         +              Normal
  07/02/2025 09 AM PDT          129.74          10209         +              Normal
  07/02/2025 10 AM PDT          129.74          10209         0              Normal
  07/02/2025 11 AM PDT          129.73          10179         -              Normal
  07/02/2025 12 PM PDT          129.73          10179         0              Normal
  07/02/2025 01 PM PDT          129.72          10149         -              Normal
  07/02/2025 02 PM PDT          129.71          10120         -              Normal
  07/02/2025 03 PM PDT          129.69          10051         -              Normal
  07/02/2025 04 PM PDT          129.67           9975         -              Normal
  07/02/2025 05 PM PDT          129.66           9937         -              Normal
  07/02/2025 06 PM PDT          129.67           9975         +              Normal
  07/02/2025 07 PM PDT          130.03          11102         +              Normal
  07/02/2025 08 PM PDT          130.35          12119         +              Normal
  07/02/2025 09 PM PDT          130.43          12375         +              Normal
  07/02/2025 10 PM PDT          130.46          12471         +              Normal
  07/02/2025 11 PM PDT          130.23          11735         -              Normal
  07/03/2025 12 AM PDT          130.00          11010         -              Normal
  07/03/2025 01 AM PDT          129.92          10761         -              Normal
  07/03/2025 02 AM PDT          129.88          10637         -              Normal
  07/03/2025 03 AM PDT          129.89          10669         +              Normal
  07/03/2025 04 AM PDT          129.91          10731         +              Normal
  07/03/2025 05 AM PDT          129.93          10792         +              Normal
  07/03/2025 06 AM PDT          129.94          10823         +              Normal
  07/03/2025 07 AM PDT          129.94          10823         0              Normal
  07/03/2025 08 AM PDT          129.96          10885         +              Normal
  07/03/2025 09 AM PDT          129.97          10916         +              Normal
  07/03/2025 10 AM PDT          129.98          10947         +              Normal
  07/03/2025 11 AM PDT          129.98          10947         0              Normal
  07/03/2025 12 PM PDT          130.00          11010         +              Normal
  07/03/2025 01 PM PDT          129.99          10979         -              Normal
  07/03/2025 02 PM PDT          129.98          10947         -              Normal
  07/03/2025 03 PM PDT          129.98          10947         0              Normal
  07/03/2025 04 PM PDT          129.99          10979         +              Normal
  07/03/2025 05 PM PDT          130.00          11010         +              Normal
  07/03/2025 06 PM PDT          129.98          10947         -              Normal
  07/03/2025 07 PM PDT          129.95          10854         -              Normal
  07/03/2025 08 PM PDT          129.95          10854         0              Normal
  07/03/2025 09 PM PDT          129.95          10854         0              Normal
  07/03/2025 10 PM PDT          129.90          10700         -              Normal
  07/03/2025 11 PM PDT          129.90          10700         0              Normal
  07/04/2025 12 AM PDT          129.90          10700         0              Normal
  07/04/2025 01 AM PDT          129.93          10792         +              Normal
  07/04/2025 02 AM PDT          129.94          10823         +              Normal
  07/04/2025 03 AM PDT          129.94          10823         0              Normal
  07/04/2025 04 AM PDT          129.93          10792         -              Normal
  07/04/2025 05 AM PDT          129.94          10823         +              Normal
  07/04/2025 06 AM PDT          129.95          10854         +              Normal
  07/04/2025 07 AM PDT          129.94          10823         -              Normal
  07/04/2025 08 AM PDT          129.94          10823         0              Normal
  07/04/2025 09 AM PDT          129.96          10885         +              Normal
  07/04/2025 10 AM PDT          129.97          10916         +              Normal
  07/04/2025 11 AM PDT          129.94          10823         -              Normal
  07/04/2025 12 PM PDT          129.97          10916         +              Normal
  07/04/2025 01 PM PDT          129.96          10885         -              Normal
  07/04/2025 02 PM PDT          129.93          10792         -              Normal
  07/04/2025 03 PM PDT          129.93          10792         0              Normal
  07/04/2025 04 PM PDT          129.95          10854         +              Normal
  07/04/2025 05 PM PDT          129.94          10823         -              Normal
  07/04/2025 06 PM PDT          129.94          10823         0              Normal
  07/04/2025 07 PM PDT          129.96          10885         +              Normal
  07/04/2025 08 PM PDT          129.96          10885         0              Normal
  07/04/2025 09 PM PDT          129.96          10885         0              Normal
  07/04/2025 10 PM PDT          129.94          10823         -              Normal
  07/04/2025 11 PM PDT          129.92          10761         -              Normal
  07/05/2025 12 AM PDT          129.95          10854         +              Normal
  07/05/2025 01 AM PDT          129.96          10885         +              Normal
  07/05/2025 02 AM PDT          129.97          10916         +              Normal
  07/05/2025 03 AM PDT          129.98          10947         +              Normal
  07/05/2025 04 AM PDT          129.99          10979         +              Normal
  07/05/2025 05 AM PDT          130.00          11010         +              Normal
  07/05/2025 06 AM PDT          130.01          11041         +              Normal
  07/05/2025 07 AM PDT          130.02          11071         +              Normal
  07/05/2025 08 AM PDT          130.04          11133         +              Normal
  07/05/2025 09 AM PDT          130.04          11133         0              Normal
  07/05/2025 10 AM PDT          130.05          11164         +              Normal
  07/05/2025 11 AM PDT          130.05          11164         0              Normal
  07/05/2025 12 PM PDT          130.05          11164         0              Normal
  07/05/2025 01 PM PDT          130.03          11102         -              Normal
  07/05/2025 02 PM PDT          130.02          11071         -              Normal
  07/05/2025 03 PM PDT          130.01          11041         -              Normal
  07/05/2025 04 PM PDT          130.00          11010         -              Normal
  07/05/2025 05 PM PDT          129.99          10979         -              Normal
  07/05/2025 06 PM PDT          129.99          10979         0              Normal
  07/05/2025 07 PM PDT          129.98          10947         -              Normal
  07/05/2025 08 PM PDT          129.99          10979         +              Normal
  07/05/2025 09 PM PDT          130.00          11010         +              Normal
  07/05/2025 10 PM PDT          130.01          11041         +              Normal
  07/05/2025 11 PM PDT          130.01          11041         0              Normal
  07/06/2025 12 AM PDT          130.02          11071         +              Normal
  07/06/2025 01 AM PDT          130.02          11071         0              Normal
  07/06/2025 02 AM PDT          130.02          11071         0              Normal
  07/06/2025 03 AM PDT          130.03          11102         +              Normal
  07/06/2025 04 AM PDT          130.03          11102         0              Normal
  07/06/2025 05 AM PDT          130.03          11102         0              Normal
  07/06/2025 06 AM PDT          130.03          11102         0              Normal
  07/06/2025 07 AM PDT          130.04          11133         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/06/2025 08 AM PDT          130.04          11133                        Normal
  07/06/2025 09 AM PDT          130.05          11164         +              Normal
  07/06/2025 10 AM PDT          130.06          11195         +              Normal
  07/06/2025 11 AM PDT          130.06          11195         0              Normal
  07/06/2025 12 PM PDT          130.06          11195         0              Normal
  07/06/2025 01 PM PDT          130.07          11226         +              Normal
  07/06/2025 02 PM PDT          130.07          11226         0              Normal
  07/06/2025 03 PM PDT          130.06          11195         -              Normal
  07/06/2025 04 PM PDT          130.06          11195         0              Normal
  07/06/2025 05 PM PDT          130.06          11195         0              Normal
  07/06/2025 06 PM PDT          130.06          11195         0              Normal
  07/06/2025 07 PM PDT          130.05          11164         -              Normal
  07/06/2025 08 PM PDT          130.05          11164         0              Normal
  07/06/2025 09 PM PDT          130.05          11164         0              Normal
  07/06/2025 10 PM PDT          130.05          11164         0              Normal
  07/06/2025 11 PM PDT          130.05          11164         0              Normal
  07/07/2025 12 AM PDT          130.05          11164         0              Normal
  07/07/2025 01 AM PDT          130.05          11164         0              Normal
  07/07/2025 02 AM PDT          130.05          11164         0              Normal
  07/07/2025 03 AM PDT          130.05          11164         0              Normal
  07/07/2025 04 AM PDT          130.05          11164         0              Normal
  07/07/2025 05 AM PDT          130.05          11164         0              Normal
  07/07/2025 06 AM PDT          130.05          11164         0              Normal
  07/07/2025 07 AM PDT          130.05          11164         0              Normal
  07/07/2025 08 AM PDT          130.05          11164         0              Normal
  07/07/2025 09 AM PDT          130.05          11164         0              Normal
  07/07/2025 10 AM PDT          130.05          11164         0              Normal
  07/07/2025 11 AM PDT          130.05          11164         0              Normal
  07/07/2025 12 PM PDT          130.04          11133         -              Normal
  07/07/2025 01 PM PDT          130.04          11133         0              Normal
  07/07/2025 02 PM PDT          130.04          11133         0              Normal
  07/07/2025 03 PM PDT          130.04          11133         0              Normal
  07/07/2025 04 PM PDT          130.04          11133         0              Normal
  07/07/2025 05 PM PDT          130.04          11133         0              Normal
  07/07/2025 06 PM PDT          130.04          11133         0              Normal
  07/07/2025 07 PM PDT          130.04          11133         0              Normal
  07/07/2025 08 PM PDT          130.04          11133         0              Normal
  07/07/2025 09 PM PDT          130.04          11133         0              Normal
  07/07/2025 10 PM PDT          130.04          11133         0              Normal
  07/07/2025 11 PM PDT          130.04          11133         0              Normal
  07/08/2025 12 AM PDT          130.04          11133         0              Normal
  07/08/2025 01 AM PDT          130.04          11133         0              Normal
  07/08/2025 02 AM PDT          130.04          11133         0              Normal
  07/08/2025 03 AM PDT          130.04          11133         0              Normal
  07/08/2025 04 AM PDT          130.04          11133         0              Normal
  07/08/2025 05 AM PDT          130.04          11133         0              Normal
  07/08/2025 06 AM PDT          130.04          11133         0              Normal
  07/08/2025 07 AM PDT          130.04          11133         0              Normal
  07/08/2025 08 AM PDT          130.04          11133         0              Normal
  07/08/2025 09 AM PDT          130.04          11133         0              Normal
  07/08/2025 10 AM PDT          130.04          11133         0              Normal
  07/08/2025 11 AM PDT          130.04          11133         0              Normal
  07/08/2025 12 PM PDT          130.04          11133         0              Normal
  07/08/2025 01 PM PDT          130.04          11133         0              Normal
  07/08/2025 02 PM PDT          130.04          11133         0              Normal
  07/08/2025 03 PM PDT          130.04          11133         0              Normal
  07/08/2025 04 PM PDT          130.04          11133         0              Normal
  07/08/2025 05 PM PDT          130.04          11133         0              Normal
  07/08/2025 06 PM PDT          130.04          11133         0              Normal
  07/08/2025 07 PM PDT          130.04          11133         0              Normal
  07/08/2025 08 PM PDT          130.04          11133         0              Normal
  07/08/2025 09 PM PDT          130.04          11133         0              Normal
  07/08/2025 10 PM PDT          130.04          11133         0              Normal
  07/08/2025 11 PM PDT          130.04          11133         0              Normal
  07/09/2025 12 AM PDT          130.04          11133         0              Normal
  07/09/2025 01 AM PDT          130.04          11133         0              Normal
  07/09/2025 02 AM PDT          130.04          11133         0              Normal
  07/09/2025 03 AM PDT          130.04          11133         0              Normal
  07/09/2025 04 AM PDT          130.04          11133         0              Normal
  07/09/2025 05 AM PDT          130.04          11133         0              Normal
  07/09/2025 06 AM PDT          130.04          11133         0              Normal
  07/09/2025 07 AM PDT          130.04          11133         0              Normal
  07/09/2025 08 AM PDT          130.04          11133         0              Normal
  07/09/2025 09 AM PDT          130.04          11133         0              Normal
  07/09/2025 10 AM PDT          130.04          11133         0              Normal
  07/09/2025 11 AM PDT          130.04          11133         0              Normal
  07/09/2025 12 PM PDT          130.04          11133         0              Normal
  07/09/2025 01 PM PDT          130.04          11133         0              Normal
  07/09/2025 02 PM PDT          130.04          11133         0              Normal
  07/09/2025 03 PM PDT          130.04          11133         0              Normal
  07/09/2025 04 PM PDT          130.04          11133         0              Normal
  07/09/2025 05 PM PDT          130.04          11133         0              Normal
  07/09/2025 06 PM PDT          130.04          11133         0              Normal
  07/09/2025 07 PM PDT          130.04          11133         0              Normal
  07/09/2025 08 PM PDT          130.04          11133         0              Normal
  07/09/2025 09 PM PDT          130.04          11133         0              Normal
  07/09/2025 10 PM PDT          130.04          11133         0              Normal
  07/09/2025 11 PM PDT          130.04          11133         0              Normal
  07/10/2025 12 AM PDT          130.04          11133         0              Normal
  07/10/2025 01 AM PDT          130.04          11133         0              Normal
  07/10/2025 02 AM PDT          130.04          11133         0              Normal
  07/10/2025 03 AM PDT          130.04          11133         0              Normal
  07/10/2025 04 AM PDT          130.04          11133         0              Normal
  07/10/2025 05 AM PDT          130.04          11133         0              Normal
  07/10/2025 06 AM PDT          130.04          11133         0              Normal
  07/10/2025 07 AM PDT          130.04          11133         0              Normal
  07/10/2025 08 AM PDT          130.04          11133         0              Normal
  07/10/2025 09 AM PDT          130.04          11133         0              Normal
  07/10/2025 10 AM PDT          130.04          11133         0              Normal
  07/10/2025 11 AM PDT          130.04          11133         0              Normal
  07/10/2025 12 PM PDT          130.04          11133         0              Normal
  07/10/2025 01 PM PDT          130.04          11133         0              Normal
  07/10/2025 02 PM PDT          130.04          11133         0              Normal
  07/10/2025 03 PM PDT          130.04          11133         0              Normal
  07/10/2025 04 PM PDT          130.04          11133         0              Normal
  07/10/2025 05 PM PDT          130.04          11133         0              Normal
  07/10/2025 06 PM PDT          130.04          11133         0              Normal
  07/10/2025 07 PM PDT          130.04          11133         0              Normal
  07/10/2025 08 PM PDT          130.04          11133         0              Normal
  07/10/2025 09 PM PDT          130.04          11133         0              Normal
  07/10/2025 10 PM PDT          130.04          11133         0              Normal
  07/10/2025 11 PM PDT          130.03          11102         -              Normal
  07/11/2025 12 AM PDT          130.03          11102         0              Normal
  07/11/2025 01 AM PDT          130.03          11102         0              Normal
  07/11/2025 02 AM PDT          130.03          11102         0              Normal
  07/11/2025 03 AM PDT          130.03          11102         0              Normal
  07/11/2025 04 AM PDT          130.03          11102         0              Normal
  07/11/2025 05 AM PDT          130.03          11102         0              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.