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: Aug 27 2026 at 7:03 AM PDTNext Issuance: Aug 28 2026 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:  08/27/2026 at 07:03 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  08/26/2026 at 02:00 PM PDT
# Maximum Observed Stage:                       128.87 Feet
# Maximum Observed Flow:                        7543 cfs
#
# Earliest Date & Time of Maximum Forecast:     08/27/2026 at 07:00 AM PDT
# Maximum Forecast Stage:                       128.60 Feet
# Maximum Forecast Flow:                        6877 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  08/22/2026 07 AM PDT          128.70           7123                        Normal
  08/22/2026 08 AM PDT          128.71           7147         +              Normal
  08/22/2026 09 AM PDT          128.72           7172         +              Normal
  08/22/2026 10 AM PDT          128.73           7196         +              Normal
  08/22/2026 11 AM PDT          128.73           7196         0              Normal
  08/22/2026 12 PM PDT          128.74           7221         +              Normal
  08/22/2026 01 PM PDT          128.73           7196         -              Normal
  08/22/2026 02 PM PDT          128.74           7221         +              Normal
  08/22/2026 03 PM PDT          128.74           7221         0              Normal
  08/22/2026 04 PM PDT          128.73           7196         -              Normal
  08/22/2026 05 PM PDT          128.74           7221         +              Normal
  08/22/2026 06 PM PDT          128.74           7221         0              Normal
  08/22/2026 07 PM PDT          128.73           7196         -              Normal
  08/22/2026 08 PM PDT          128.73           7196         0              Normal
  08/22/2026 09 PM PDT          128.73           7196         0              Normal
  08/22/2026 10 PM PDT          128.72           7172         -              Normal
  08/22/2026 11 PM PDT          128.72           7172         0              Normal
  08/23/2026 12 AM PDT          128.73           7196         +              Normal
  08/23/2026 01 AM PDT          128.73           7196         0              Normal
  08/23/2026 02 AM PDT          128.72           7172         -              Normal
  08/23/2026 03 AM PDT          128.72           7172         0              Normal
  08/23/2026 04 AM PDT          128.72           7172         0              Normal
  08/23/2026 05 AM PDT          128.72           7172         0              Normal
  08/23/2026 06 AM PDT          128.72           7172         0              Normal
  08/23/2026 07 AM PDT          128.73           7196         +              Normal
  08/23/2026 08 AM PDT          128.72           7172         -              Normal
  08/23/2026 09 AM PDT          128.73           7196         +              Normal
  08/23/2026 10 AM PDT          128.73           7196         0              Normal
  08/23/2026 11 AM PDT          128.73           7196         0              Normal
  08/23/2026 12 PM PDT          128.73           7196         0              Normal
  08/23/2026 01 PM PDT          128.72           7172         -              Normal
  08/23/2026 02 PM PDT          128.73           7196         +              Normal
  08/23/2026 03 PM PDT          128.73           7196         0              Normal
  08/23/2026 04 PM PDT          128.75           7245         +              Normal
  08/23/2026 05 PM PDT          128.76           7270         +              Normal
  08/23/2026 06 PM PDT          128.76           7270         0              Normal
  08/23/2026 07 PM PDT          128.76           7270         0              Normal
  08/23/2026 08 PM PDT          128.76           7270         0              Normal
  08/23/2026 09 PM PDT          128.76           7270         0              Normal
  08/23/2026 10 PM PDT          128.75           7245         -              Normal
  08/23/2026 11 PM PDT          128.75           7245         0              Normal
  08/24/2026 12 AM PDT          128.75           7245         0              Normal
  08/24/2026 01 AM PDT          128.75           7245         0              Normal
  08/24/2026 02 AM PDT          128.76           7270         +              Normal
  08/24/2026 03 AM PDT          128.76           7270         0              Normal
  08/24/2026 04 AM PDT          128.76           7270         0              Normal
  08/24/2026 05 AM PDT          128.77           7295         +              Normal
  08/24/2026 06 AM PDT          128.77           7295         0              Normal
  08/24/2026 07 AM PDT          128.78           7320         +              Normal
  08/24/2026 08 AM PDT          128.79           7345         +              Normal
  08/24/2026 09 AM PDT          128.79           7345         0              Normal
  08/24/2026 10 AM PDT          128.79           7345         0              Normal
  08/24/2026 11 AM PDT          128.80           7370         +              Normal
  08/24/2026 12 PM PDT          128.80           7370         0              Normal
  08/24/2026 01 PM PDT          128.81           7394         +              Normal
  08/24/2026 02 PM PDT          128.81           7394         0              Normal
  08/24/2026 03 PM PDT          128.80           7370         -              Normal
  08/24/2026 04 PM PDT          128.78           7320         -              Normal
  08/24/2026 05 PM PDT          128.79           7345         +              Normal
  08/24/2026 06 PM PDT          128.79           7345         0              Normal
  08/24/2026 07 PM PDT          128.79           7345         0              Normal
  08/24/2026 08 PM PDT          128.79           7345         0              Normal
  08/24/2026 09 PM PDT          128.78           7320         -              Normal
  08/24/2026 10 PM PDT          128.78           7320         0              Normal
  08/24/2026 11 PM PDT          128.79           7345         +              Normal
  08/25/2026 12 AM PDT          128.78           7320         -              Normal
  08/25/2026 01 AM PDT          128.79           7345         +              Normal
  08/25/2026 02 AM PDT          128.80           7370         +              Normal
  08/25/2026 03 AM PDT          128.81           7394         +              Normal
  08/25/2026 04 AM PDT          128.81           7394         0              Normal
  08/25/2026 05 AM PDT          128.82           7419         +              Normal
  08/25/2026 06 AM PDT          128.83           7444         +              Normal
  08/25/2026 07 AM PDT          128.83           7444         0              Normal
  08/25/2026 08 AM PDT          128.84           7468         +              Normal
  08/25/2026 09 AM PDT          128.84           7468         0              Normal
  08/25/2026 10 AM PDT          128.85           7493         +              Normal
  08/25/2026 11 AM PDT          128.85           7493         0              Normal
  08/25/2026 12 PM PDT          128.85           7493         0              Normal
  08/25/2026 01 PM PDT          128.85           7493         0              Normal
  08/25/2026 02 PM PDT          128.84           7468         -              Normal
  08/25/2026 03 PM PDT          128.85           7493         +              Normal
  08/25/2026 04 PM PDT          128.84           7468         -              Normal
  08/25/2026 05 PM PDT          128.83           7444         -              Normal
  08/25/2026 06 PM PDT          128.83           7444         0              Normal
  08/25/2026 07 PM PDT          128.82           7419         -              Normal
  08/25/2026 08 PM PDT          128.82           7419         0              Normal
  08/25/2026 09 PM PDT          128.82           7419         0              Normal
  08/25/2026 10 PM PDT          128.82           7419         0              Normal
  08/25/2026 11 PM PDT          128.82           7419         0              Normal
  08/26/2026 12 AM PDT          128.83           7444         +              Normal
  08/26/2026 01 AM PDT          128.84           7468         +              Normal
  08/26/2026 02 AM PDT          128.84           7468         0              Normal
  08/26/2026 03 AM PDT          128.83           7444         -              Normal
  08/26/2026 04 AM PDT          128.83           7444         0              Normal
  08/26/2026 05 AM PDT          128.84           7468         +              Normal
  08/26/2026 06 AM PDT          128.83           7444         -              Normal
  08/26/2026 07 AM PDT          128.84           7468         +              Normal
  08/26/2026 08 AM PDT          128.85           7493         +              Normal
  08/26/2026 09 AM PDT          128.86           7518         +              Normal
  08/26/2026 10 AM PDT          128.86           7518         0              Normal
  08/26/2026 11 AM PDT          128.86           7518         0              Normal
  08/26/2026 12 PM PDT          128.87           7543         +              Normal
  08/26/2026 01 PM PDT          128.86           7518         -              Normal
  08/26/2026 02 PM PDT          128.87           7543         +              Normal
  08/26/2026 03 PM PDT          128.86           7518         -              Normal
  08/26/2026 04 PM PDT          128.86           7518         0              Normal
  08/26/2026 05 PM PDT          128.85           7493         -              Normal
  08/26/2026 06 PM PDT          128.84           7468         -              Normal
  08/26/2026 07 PM PDT          128.83           7444         -              Normal
  08/26/2026 08 PM PDT          128.82           7419         -              Normal
  08/26/2026 09 PM PDT          128.79           7345         -              Normal
  08/26/2026 10 PM PDT          128.75           7245         -              Normal
  08/26/2026 11 PM PDT          128.72           7172         -              Normal
  08/27/2026 12 AM PDT          128.68           7073         -              Normal
  08/27/2026 01 AM PDT          128.66           7024         -              Normal
  08/27/2026 02 AM PDT          128.63           6950         -              Normal
  08/27/2026 03 AM PDT          128.62           6926         -              Normal
  08/27/2026 04 AM PDT          128.61           6901         -              Normal
  08/27/2026 05 AM PDT          128.60           6877         -              Normal
  08/27/2026 06 AM PDT          128.60           6877         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  08/27/2026 07 AM PDT          128.60           6877                        Normal
  08/27/2026 08 AM PDT          128.60           6877         0              Normal
  08/27/2026 09 AM PDT          128.59           6852         -              Normal
  08/27/2026 10 AM PDT          128.59           6852         0              Normal
  08/27/2026 11 AM PDT          128.59           6852         0              Normal
  08/27/2026 12 PM PDT          128.59           6852         0              Normal
  08/27/2026 01 PM PDT          128.59           6852         0              Normal
  08/27/2026 02 PM PDT          128.59           6852         0              Normal
  08/27/2026 03 PM PDT          128.59           6852         0              Normal
  08/27/2026 04 PM PDT          128.59           6852         0              Normal
  08/27/2026 05 PM PDT          128.58           6827         -              Normal
  08/27/2026 06 PM PDT          128.58           6827         0              Normal
  08/27/2026 07 PM PDT          128.58           6827         0              Normal
  08/27/2026 08 PM PDT          128.57           6803         -              Normal
  08/27/2026 09 PM PDT          128.57           6803         0              Normal
  08/27/2026 10 PM PDT          128.57           6803         0              Normal
  08/27/2026 11 PM PDT          128.57           6803         0              Normal
  08/28/2026 12 AM PDT          128.57           6803         0              Normal
  08/28/2026 01 AM PDT          128.57           6803         0              Normal
  08/28/2026 02 AM PDT          128.57           6803         0              Normal
  08/28/2026 03 AM PDT          128.57           6803         0              Normal
  08/28/2026 04 AM PDT          128.57           6803         0              Normal
  08/28/2026 05 AM PDT          128.57           6803         0              Normal
  08/28/2026 06 AM PDT          128.57           6803         0              Normal
  08/28/2026 07 AM PDT          128.57           6803         0              Normal
  08/28/2026 08 AM PDT          128.57           6803         0              Normal
  08/28/2026 09 AM PDT          128.57           6803         0              Normal
  08/28/2026 10 AM PDT          128.57           6803         0              Normal
  08/28/2026 11 AM PDT          128.57           6803         0              Normal
  08/28/2026 12 PM PDT          128.57           6803         0              Normal
  08/28/2026 01 PM PDT          128.57           6803         0              Normal
  08/28/2026 02 PM PDT          128.57           6803         0              Normal
  08/28/2026 03 PM PDT          128.57           6803         0              Normal
  08/28/2026 04 PM PDT          128.57           6803         0              Normal
  08/28/2026 05 PM PDT          128.57           6803         0              Normal
  08/28/2026 06 PM PDT          128.57           6803         0              Normal
  08/28/2026 07 PM PDT          128.57           6803         0              Normal
  08/28/2026 08 PM PDT          128.56           6778         -              Normal
  08/28/2026 09 PM PDT          128.55           6753         -              Normal
  08/28/2026 10 PM PDT          128.53           6705         -              Normal
  08/28/2026 11 PM PDT          128.52           6680         -              Normal
  08/29/2026 12 AM PDT          128.50           6632         -              Normal
  08/29/2026 01 AM PDT          128.48           6582         -              Normal
  08/29/2026 02 AM PDT          128.47           6558         -              Normal
  08/29/2026 03 AM PDT          128.45           6509         -              Normal
  08/29/2026 04 AM PDT          128.44           6485         -              Normal
  08/29/2026 05 AM PDT          128.43           6460         -              Normal
  08/29/2026 06 AM PDT          128.42           6436         -              Normal
  08/29/2026 07 AM PDT          128.42           6436         0              Normal
  08/29/2026 08 AM PDT          128.41           6412         -              Normal
  08/29/2026 09 AM PDT          128.41           6412         0              Normal
  08/29/2026 10 AM PDT          128.41           6412         0              Normal
  08/29/2026 11 AM PDT          128.40           6388         -              Normal
  08/29/2026 12 PM PDT          128.40           6388         0              Normal
  08/29/2026 01 PM PDT          128.40           6388         0              Normal
  08/29/2026 02 PM PDT          128.40           6388         0              Normal
  08/29/2026 03 PM PDT          128.40           6388         0              Normal
  08/29/2026 04 PM PDT          128.40           6388         0              Normal
  08/29/2026 05 PM PDT          128.40           6388         0              Normal
  08/29/2026 06 PM PDT          128.40           6388         0              Normal
  08/29/2026 07 PM PDT          128.40           6388         0              Normal
  08/29/2026 08 PM PDT          128.40           6388         0              Normal
  08/29/2026 09 PM PDT          128.40           6388         0              Normal
  08/29/2026 10 PM PDT          128.40           6388         0              Normal
  08/29/2026 11 PM PDT          128.40           6388         0              Normal
  08/30/2026 12 AM PDT          128.40           6388         0              Normal
  08/30/2026 01 AM PDT          128.40           6388         0              Normal
  08/30/2026 02 AM PDT          128.40           6388         0              Normal
  08/30/2026 03 AM PDT          128.40           6388         0              Normal
  08/30/2026 04 AM PDT          128.40           6388         0              Normal
  08/30/2026 05 AM PDT          128.40           6388         0              Normal
  08/30/2026 06 AM PDT          128.40           6388         0              Normal
  08/30/2026 07 AM PDT          128.40           6388         0              Normal
  08/30/2026 08 AM PDT          128.40           6388         0              Normal
  08/30/2026 09 AM PDT          128.40           6388         0              Normal
  08/30/2026 10 AM PDT          128.40           6388         0              Normal
  08/30/2026 11 AM PDT          128.40           6388         0              Normal
  08/30/2026 12 PM PDT          128.40           6388         0              Normal
  08/30/2026 01 PM PDT          128.40           6388         0              Normal
  08/30/2026 02 PM PDT          128.40           6388         0              Normal
  08/30/2026 03 PM PDT          128.40           6388         0              Normal
  08/30/2026 04 PM PDT          128.40           6388         0              Normal
  08/30/2026 05 PM PDT          128.40           6388         0              Normal
  08/30/2026 06 PM PDT          128.40           6388         0              Normal
  08/30/2026 07 PM PDT          128.40           6388         0              Normal
  08/30/2026 08 PM PDT          128.40           6388         0              Normal
  08/30/2026 09 PM PDT          128.40           6388         0              Normal
  08/30/2026 10 PM PDT          128.40           6388         0              Normal
  08/30/2026 11 PM PDT          128.40           6388         0              Normal
  08/31/2026 12 AM PDT          128.40           6388         0              Normal
  08/31/2026 01 AM PDT          128.40           6388         0              Normal
  08/31/2026 02 AM PDT          128.40           6388         0              Normal
  08/31/2026 03 AM PDT          128.40           6388         0              Normal
  08/31/2026 04 AM PDT          128.40           6388         0              Normal
  08/31/2026 05 AM PDT          128.40           6388         0              Normal
  08/31/2026 06 AM PDT          128.40           6388         0              Normal
  08/31/2026 07 AM PDT          128.40           6388         0              Normal
  08/31/2026 08 AM PDT          128.40           6388         0              Normal
  08/31/2026 09 AM PDT          128.40           6388         0              Normal
  08/31/2026 10 AM PDT          128.40           6388         0              Normal
  08/31/2026 11 AM PDT          128.40           6388         0              Normal
  08/31/2026 12 PM PDT          128.40           6388         0              Normal
  08/31/2026 01 PM PDT          128.40           6388         0              Normal
  08/31/2026 02 PM PDT          128.40           6388         0              Normal
  08/31/2026 03 PM PDT          128.40           6388         0              Normal
  08/31/2026 04 PM PDT          128.40           6388         0              Normal
  08/31/2026 05 PM PDT          128.40           6388         0              Normal
  08/31/2026 06 PM PDT          128.40           6388         0              Normal
  08/31/2026 07 PM PDT          128.40           6388         0              Normal
  08/31/2026 08 PM PDT          128.40           6388         0              Normal
  08/31/2026 09 PM PDT          128.40           6388         0              Normal
  08/31/2026 10 PM PDT          128.41           6412         +              Normal
  08/31/2026 11 PM PDT          128.41           6412         0              Normal
  09/01/2026 12 AM PDT          128.41           6412         0              Normal
  09/01/2026 01 AM PDT          128.41           6412         0              Normal
  09/01/2026 02 AM PDT          128.41           6412         0              Normal
  09/01/2026 03 AM PDT          128.41           6412         0              Normal
  09/01/2026 04 AM PDT          128.41           6412         0              Normal
  09/01/2026 05 AM PDT          128.41           6412         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.