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 01 2025 at 7:21 AM PDTNext Issuance: Jul 02 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:  07/01/2025 at 07:21 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/30/2025 at 01:00 PM PDT
# Maximum Observed Stage:                       129.73 Feet
# Maximum Observed Flow:                        10179 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/03/2025 at 06:00 AM PDT
# Maximum Forecast Stage:                       129.94 Feet
# Maximum Forecast Flow:                        10823 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/26/2025 07 AM PDT          129.70          10090                        Normal
  06/26/2025 08 AM PDT          129.71          10120         +              Normal
  06/26/2025 09 AM PDT          129.72          10149         +              Normal
  06/26/2025 10 AM PDT          129.73          10179         +              Normal
  06/26/2025 11 AM PDT          129.73          10179         0              Normal
  06/26/2025 12 PM PDT          129.73          10179         0              Normal
  06/26/2025 01 PM PDT          129.72          10149         -              Normal
  06/26/2025 02 PM PDT          129.71          10120         -              Normal
  06/26/2025 03 PM PDT          129.70          10090         -              Normal
  06/26/2025 04 PM PDT          129.68          10013         -              Normal
  06/26/2025 05 PM PDT          129.66           9937         -              Normal
  06/26/2025 06 PM PDT          129.65           9899         -              Normal
  06/26/2025 07 PM PDT          129.64           9861         -              Normal
  06/26/2025 08 PM PDT          129.64           9861         0              Normal
  06/26/2025 09 PM PDT          129.63           9823         -              Normal
  06/26/2025 10 PM PDT          129.63           9823         0              Normal
  06/26/2025 11 PM PDT          129.62           9786         -              Normal
  06/27/2025 12 AM PDT          129.62           9786         0              Normal
  06/27/2025 01 AM PDT          129.61           9748         -              Normal
  06/27/2025 02 AM PDT          129.62           9786         +              Normal
  06/27/2025 03 AM PDT          129.61           9748         -              Normal
  06/27/2025 04 AM PDT          129.62           9786         +              Normal
  06/27/2025 05 AM PDT          129.63           9823         +              Normal
  06/27/2025 06 AM PDT          129.63           9823         0              Normal
  06/27/2025 07 AM PDT          129.64           9861         +              Normal
  06/27/2025 08 AM PDT          129.65           9899         +              Normal
  06/27/2025 09 AM PDT          129.66           9937         +              Normal
  06/27/2025 10 AM PDT          129.67           9975         +              Normal
  06/27/2025 11 AM PDT          129.68          10013         +              Normal
  06/27/2025 12 PM PDT          129.68          10013         0              Normal
  06/27/2025 01 PM PDT          129.69          10051         +              Normal
  06/27/2025 02 PM PDT          129.69          10051         0              Normal
  06/27/2025 03 PM PDT          129.69          10051         0              Normal
  06/27/2025 04 PM PDT          129.68          10013         -              Normal
  06/27/2025 05 PM PDT          129.67           9975         -              Normal
  06/27/2025 06 PM PDT          129.65           9899         -              Normal
  06/27/2025 07 PM PDT          129.64           9861         -              Normal
  06/27/2025 08 PM PDT          129.63           9823         -              Normal
  06/27/2025 09 PM PDT          129.62           9786         -              Normal
  06/27/2025 10 PM PDT          129.61           9748         -              Normal
  06/27/2025 11 PM PDT          129.60           9711         -              Normal
  06/28/2025 12 AM PDT          129.60           9711         0              Normal
  06/28/2025 01 AM PDT          129.60           9711         0              Normal
  06/28/2025 02 AM PDT          129.60           9711         0              Normal
  06/28/2025 03 AM PDT          129.61           9748         +              Normal
  06/28/2025 04 AM PDT          129.62           9786         +              Normal
  06/28/2025 05 AM PDT          129.64           9861         +              Normal
  06/28/2025 06 AM PDT          129.65           9899         +              Normal
  06/28/2025 07 AM PDT          129.66           9937         +              Normal
  06/28/2025 08 AM PDT          129.68          10013         +              Normal
  06/28/2025 09 AM PDT          129.69          10051         +              Normal
  06/28/2025 10 AM PDT          129.69          10051         0              Normal
  06/28/2025 11 AM PDT          129.70          10090         +              Normal
  06/28/2025 12 PM PDT          129.70          10090         0              Normal
  06/28/2025 01 PM PDT          129.70          10090         0              Normal
  06/28/2025 02 PM PDT          129.70          10090         0              Normal
  06/28/2025 03 PM PDT          129.70          10090         0              Normal
  06/28/2025 04 PM PDT          129.68          10013         -              Normal
  06/28/2025 05 PM PDT          129.68          10013         0              Normal
  06/28/2025 06 PM PDT          129.68          10013         0              Normal
  06/28/2025 07 PM PDT          129.66           9937         -              Normal
  06/28/2025 08 PM PDT          129.66           9937         0              Normal
  06/28/2025 09 PM PDT          129.66           9937         0              Normal
  06/28/2025 10 PM PDT          129.66           9937         0              Normal
  06/28/2025 11 PM PDT          129.66           9937         0              Normal
  06/29/2025 12 AM PDT          129.66           9937         0              Normal
  06/29/2025 01 AM PDT          129.66           9937         0              Normal
  06/29/2025 02 AM PDT          129.67           9975         +              Normal
  06/29/2025 03 AM PDT          129.67           9975         0              Normal
  06/29/2025 04 AM PDT          129.68          10013         +              Normal
  06/29/2025 05 AM PDT          129.68          10013         0              Normal
  06/29/2025 06 AM PDT          129.69          10051         +              Normal
  06/29/2025 07 AM PDT          129.69          10051         0              Normal
  06/29/2025 08 AM PDT          129.70          10090         +              Normal
  06/29/2025 09 AM PDT          129.71          10120         +              Normal
  06/29/2025 10 AM PDT          129.72          10149         +              Normal
  06/29/2025 11 AM PDT          129.72          10149         0              Normal
  06/29/2025 12 PM PDT          129.72          10149         0              Normal
  06/29/2025 01 PM PDT          129.73          10179         +              Normal
  06/29/2025 02 PM PDT          129.73          10179         0              Normal
  06/29/2025 03 PM PDT          129.73          10179         0              Normal
  06/29/2025 04 PM PDT          129.72          10149         -              Normal
  06/29/2025 05 PM PDT          129.72          10149         0              Normal
  06/29/2025 06 PM PDT          129.70          10090         -              Normal
  06/29/2025 07 PM PDT          129.71          10120         +              Normal
  06/29/2025 08 PM PDT          129.69          10051         -              Normal
  06/29/2025 09 PM PDT          129.68          10013         -              Normal
  06/29/2025 10 PM PDT          129.69          10051         +              Normal
  06/29/2025 11 PM PDT          129.69          10051         0              Normal
  06/30/2025 12 AM PDT          129.66           9937         -              Normal
  06/30/2025 01 AM PDT          129.67           9975         +              Normal
  06/30/2025 02 AM PDT          129.69          10051         +              Normal
  06/30/2025 03 AM PDT          129.69          10051         0              Normal
  06/30/2025 04 AM PDT          129.70          10090         +              Normal
  06/30/2025 05 AM PDT          129.70          10090         0              Normal
  06/30/2025 06 AM PDT          129.70          10090         0              Normal
  06/30/2025 07 AM PDT          129.71          10120         +              Normal
  06/30/2025 08 AM PDT          129.72          10149         +              Normal
  06/30/2025 09 AM PDT          129.71          10120         -              Normal
  06/30/2025 10 AM PDT          129.72          10149         +              Normal
  06/30/2025 11 AM PDT          129.73          10179         +              Normal
  06/30/2025 12 PM PDT          129.73          10179         0              Normal
  06/30/2025 01 PM PDT          129.73          10179         0              Normal
  06/30/2025 02 PM PDT          129.72          10149         -              Normal
  06/30/2025 03 PM PDT          129.71          10120         -              Normal
  06/30/2025 04 PM PDT          129.71          10120         0              Normal
  06/30/2025 05 PM PDT          129.69          10051         -              Normal
  06/30/2025 06 PM PDT          129.68          10013         -              Normal
  06/30/2025 07 PM PDT          129.67           9975         -              Normal
  06/30/2025 08 PM PDT          129.65           9899         -              Normal
  06/30/2025 09 PM PDT          129.64           9861         -              Normal
  06/30/2025 10 PM PDT          129.63           9823         -              Normal
  06/30/2025 11 PM PDT          129.62           9786         -              Normal
  07/01/2025 12 AM PDT          129.62           9786         0              Normal
  07/01/2025 01 AM PDT          129.62           9786         0              Normal
  07/01/2025 02 AM PDT          129.62           9786         0              Normal
  07/01/2025 03 AM PDT          129.62           9786         0              Normal
  07/01/2025 04 AM PDT          129.63           9823         +              Normal
  07/01/2025 05 AM PDT          129.65           9899         +              Normal
  07/01/2025 06 AM PDT          129.66           9937         +              Normal
  07/01/2025 07 AM PDT          129.68          10013         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/01/2025 08 AM PDT          129.69          10051                        Normal
  07/01/2025 09 AM PDT          129.71          10120         +              Normal
  07/01/2025 10 AM PDT          129.73          10179         +              Normal
  07/01/2025 11 AM PDT          129.75          10239         +              Normal
  07/01/2025 12 PM PDT          129.76          10269         +              Normal
  07/01/2025 01 PM PDT          129.77          10299         +              Normal
  07/01/2025 02 PM PDT          129.77          10299         0              Normal
  07/01/2025 03 PM PDT          129.76          10269         -              Normal
  07/01/2025 04 PM PDT          129.74          10209         -              Normal
  07/01/2025 05 PM PDT          129.72          10149         -              Normal
  07/01/2025 06 PM PDT          129.71          10120         -              Normal
  07/01/2025 07 PM PDT          129.69          10051         -              Normal
  07/01/2025 08 PM PDT          129.69          10051         0              Normal
  07/01/2025 09 PM PDT          129.68          10013         -              Normal
  07/01/2025 10 PM PDT          129.68          10013         0              Normal
  07/01/2025 11 PM PDT          129.68          10013         0              Normal
  07/02/2025 12 AM PDT          129.68          10013         0              Normal
  07/02/2025 01 AM PDT          129.68          10013         0              Normal
  07/02/2025 02 AM PDT          129.68          10013         0              Normal
  07/02/2025 03 AM PDT          129.68          10013         0              Normal
  07/02/2025 04 AM PDT          129.68          10013         0              Normal
  07/02/2025 05 AM PDT          129.68          10013         0              Normal
  07/02/2025 06 AM PDT          129.68          10013         0              Normal
  07/02/2025 07 AM PDT          129.68          10013         0              Normal
  07/02/2025 08 AM PDT          129.68          10013         0              Normal
  07/02/2025 09 AM PDT          129.68          10013         0              Normal
  07/02/2025 10 AM PDT          129.67           9975         -              Normal
  07/02/2025 11 AM PDT          129.67           9975         0              Normal
  07/02/2025 12 PM PDT          129.67           9975         0              Normal
  07/02/2025 01 PM PDT          129.67           9975         0              Normal
  07/02/2025 02 PM PDT          129.67           9975         0              Normal
  07/02/2025 03 PM PDT          129.67           9975         0              Normal
  07/02/2025 04 PM PDT          129.68          10013         +              Normal
  07/02/2025 05 PM PDT          129.69          10051         +              Normal
  07/02/2025 06 PM PDT          129.72          10149         +              Normal
  07/02/2025 07 PM PDT          129.75          10239         +              Normal
  07/02/2025 08 PM PDT          129.79          10360         +              Normal
  07/02/2025 09 PM PDT          129.82          10451         +              Normal
  07/02/2025 10 PM PDT          129.85          10544         +              Normal
  07/02/2025 11 PM PDT          129.88          10637         +              Normal
  07/03/2025 12 AM PDT          129.89          10669         +              Normal
  07/03/2025 01 AM PDT          129.91          10731         +              Normal
  07/03/2025 02 AM PDT          129.92          10761         +              Normal
  07/03/2025 03 AM PDT          129.93          10792         +              Normal
  07/03/2025 04 AM PDT          129.93          10792         0              Normal
  07/03/2025 05 AM PDT          129.93          10792         0              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          129.94          10823         0              Normal
  07/03/2025 09 AM PDT          129.94          10823         0              Normal
  07/03/2025 10 AM PDT          129.94          10823         0              Normal
  07/03/2025 11 AM PDT          129.94          10823         0              Normal
  07/03/2025 12 PM PDT          129.94          10823         0              Normal
  07/03/2025 01 PM PDT          129.94          10823         0              Normal
  07/03/2025 02 PM PDT          129.94          10823         0              Normal
  07/03/2025 03 PM PDT          129.94          10823         0              Normal
  07/03/2025 04 PM PDT          129.94          10823         0              Normal
  07/03/2025 05 PM PDT          129.94          10823         0              Normal
  07/03/2025 06 PM PDT          129.94          10823         0              Normal
  07/03/2025 07 PM PDT          129.94          10823         0              Normal
  07/03/2025 08 PM PDT          129.94          10823         0              Normal
  07/03/2025 09 PM PDT          129.94          10823         0              Normal
  07/03/2025 10 PM PDT          129.94          10823         0              Normal
  07/03/2025 11 PM PDT          129.94          10823         0              Normal
  07/04/2025 12 AM PDT          129.94          10823         0              Normal
  07/04/2025 01 AM PDT          129.94          10823         0              Normal
  07/04/2025 02 AM PDT          129.94          10823         0              Normal
  07/04/2025 03 AM PDT          129.94          10823         0              Normal
  07/04/2025 04 AM PDT          129.94          10823         0              Normal
  07/04/2025 05 AM PDT          129.94          10823         0              Normal
  07/04/2025 06 AM PDT          129.94          10823         0              Normal
  07/04/2025 07 AM PDT          129.94          10823         0              Normal
  07/04/2025 08 AM PDT          129.94          10823         0              Normal
  07/04/2025 09 AM PDT          129.94          10823         0              Normal
  07/04/2025 10 AM PDT          129.94          10823         0              Normal
  07/04/2025 11 AM PDT          129.94          10823         0              Normal
  07/04/2025 12 PM PDT          129.94          10823         0              Normal
  07/04/2025 01 PM PDT          129.94          10823         0              Normal
  07/04/2025 02 PM PDT          129.94          10823         0              Normal
  07/04/2025 03 PM PDT          129.94          10823         0              Normal
  07/04/2025 04 PM PDT          129.94          10823         0              Normal
  07/04/2025 05 PM PDT          129.94          10823         0              Normal
  07/04/2025 06 PM PDT          129.94          10823         0              Normal
  07/04/2025 07 PM PDT          129.94          10823         0              Normal
  07/04/2025 08 PM PDT          129.94          10823         0              Normal
  07/04/2025 09 PM PDT          129.94          10823         0              Normal
  07/04/2025 10 PM PDT          129.94          10823         0              Normal
  07/04/2025 11 PM PDT          129.94          10823         0              Normal
  07/05/2025 12 AM PDT          129.94          10823         0              Normal
  07/05/2025 01 AM PDT          129.94          10823         0              Normal
  07/05/2025 02 AM PDT          129.94          10823         0              Normal
  07/05/2025 03 AM PDT          129.94          10823         0              Normal
  07/05/2025 04 AM PDT          129.94          10823         0              Normal
  07/05/2025 05 AM PDT          129.94          10823         0              Normal
  07/05/2025 06 AM PDT          129.94          10823         0              Normal
  07/05/2025 07 AM PDT          129.94          10823         0              Normal
  07/05/2025 08 AM PDT          129.94          10823         0              Normal
  07/05/2025 09 AM PDT          129.94          10823         0              Normal
  07/05/2025 10 AM PDT          129.94          10823         0              Normal
  07/05/2025 11 AM PDT          129.94          10823         0              Normal
  07/05/2025 12 PM PDT          129.94          10823         0              Normal
  07/05/2025 01 PM PDT          129.94          10823         0              Normal
  07/05/2025 02 PM PDT          129.94          10823         0              Normal
  07/05/2025 03 PM PDT          129.94          10823         0              Normal
  07/05/2025 04 PM PDT          129.94          10823         0              Normal
  07/05/2025 05 PM PDT          129.94          10823         0              Normal
  07/05/2025 06 PM PDT          129.94          10823         0              Normal
  07/05/2025 07 PM PDT          129.94          10823         0              Normal
  07/05/2025 08 PM PDT          129.94          10823         0              Normal
  07/05/2025 09 PM PDT          129.94          10823         0              Normal
  07/05/2025 10 PM PDT          129.94          10823         0              Normal
  07/05/2025 11 PM PDT          129.94          10823         0              Normal
  07/06/2025 12 AM PDT          129.93          10792         -              Normal
  07/06/2025 01 AM PDT          129.93          10792         0              Normal
  07/06/2025 02 AM PDT          129.93          10792         0              Normal
  07/06/2025 03 AM PDT          129.93          10792         0              Normal
  07/06/2025 04 AM PDT          129.93          10792         0              Normal
  07/06/2025 05 AM PDT          129.93          10792         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.