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: Sep 11 2026 at 7:34 AM PDTNext Issuance: Sep 12 2026 at 9:00 AM PDT
Action: 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:  09/11/2026 at 07:34 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  09/07/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       128.43 Feet
# Maximum Observed Flow:                        6460 cfs
#
# Earliest Date & Time of Maximum Forecast:     09/11/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       128.11 Feet
# Maximum Forecast Flow:                        5684 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  09/06/2026 07 AM PDT          128.39           6363                        Normal
  09/06/2026 08 AM PDT          128.40           6388         +              Normal
  09/06/2026 09 AM PDT          128.41           6412         +              Normal
  09/06/2026 10 AM PDT          128.41           6412         0              Normal
  09/06/2026 11 AM PDT          128.41           6412         0              Normal
  09/06/2026 12 PM PDT          128.40           6388         -              Normal
  09/06/2026 01 PM PDT          128.42           6436         +              Normal
  09/06/2026 02 PM PDT          128.42           6436         0              Normal
  09/06/2026 03 PM PDT          128.42           6436         0              Normal
  09/06/2026 04 PM PDT          128.42           6436         0              Normal
  09/06/2026 05 PM PDT          128.42           6436         0              Normal
  09/06/2026 06 PM PDT          128.41           6412         -              Normal
  09/06/2026 07 PM PDT          128.41           6412         0              Normal
  09/06/2026 08 PM PDT          128.41           6412         0              Normal
  09/06/2026 09 PM PDT          128.40           6388         -              Normal
  09/06/2026 10 PM PDT          128.40           6388         0              Normal
  09/06/2026 11 PM PDT          128.40           6388         0              Normal
  09/07/2026 12 AM PDT          128.40           6388         0              Normal
  09/07/2026 01 AM PDT          128.40           6388         0              Normal
  09/07/2026 02 AM PDT          128.40           6388         0              Normal
  09/07/2026 03 AM PDT          128.39           6363         -              Normal
  09/07/2026 04 AM PDT          128.40           6388         +              Normal
  09/07/2026 05 AM PDT          128.40           6388         0              Normal
  09/07/2026 06 AM PDT          128.40           6388         0              Normal
  09/07/2026 07 AM PDT          128.41           6412         +              Normal
  09/07/2026 08 AM PDT          128.42           6436         +              Normal
  09/07/2026 09 AM PDT          128.43           6460         +              Normal
  09/07/2026 10 AM PDT          128.43           6460         0              Normal
  09/07/2026 11 AM PDT          128.43           6460         0              Normal
  09/07/2026 12 PM PDT          128.43           6460         0              Normal
  09/07/2026 01 PM PDT          128.43           6460         0              Normal
  09/07/2026 02 PM PDT          128.42           6436         -              Normal
  09/07/2026 03 PM PDT          128.41           6412         -              Normal
  09/07/2026 04 PM PDT          128.41           6412         0              Normal
  09/07/2026 05 PM PDT          128.41           6412         0              Normal
  09/07/2026 06 PM PDT          128.41           6412         0              Normal
  09/07/2026 07 PM PDT          128.40           6388         -              Normal
  09/07/2026 08 PM PDT          128.38           6338         -              Normal
  09/07/2026 09 PM PDT          128.37           6314         -              Normal
  09/07/2026 10 PM PDT          128.37           6314         0              Normal
  09/07/2026 11 PM PDT          128.36           6289         -              Normal
  09/08/2026 12 AM PDT          128.35           6265         -              Normal
  09/08/2026 01 AM PDT          128.35           6265         0              Normal
  09/08/2026 02 AM PDT          128.34           6240         -              Normal
  09/08/2026 03 AM PDT          128.33           6216         -              Normal
  09/08/2026 04 AM PDT          128.32           6192         -              Normal
  09/08/2026 05 AM PDT          128.32           6192         0              Normal
  09/08/2026 06 AM PDT          128.31           6168         -              Normal
  09/08/2026 07 AM PDT          128.31           6168         0              Normal
  09/08/2026 08 AM PDT          128.30           6144         -              Normal
  09/08/2026 09 AM PDT          128.29           6119         -              Normal
  09/08/2026 10 AM PDT          128.29           6119         0              Normal
  09/08/2026 11 AM PDT          128.28           6095         -              Normal
  09/08/2026 12 PM PDT          128.28           6095         0              Normal
  09/08/2026 01 PM PDT          128.27           6070         -              Normal
  09/08/2026 02 PM PDT          128.27           6070         0              Normal
  09/08/2026 03 PM PDT          128.27           6070         0              Normal
  09/08/2026 04 PM PDT          128.27           6070         0              Normal
  09/08/2026 05 PM PDT          128.27           6070         0              Normal
  09/08/2026 06 PM PDT          128.27           6070         0              Normal
  09/08/2026 07 PM PDT          128.26           6046         -              Normal
  09/08/2026 08 PM PDT          128.26           6046         0              Normal
  09/08/2026 09 PM PDT          128.26           6046         0              Normal
  09/08/2026 10 PM PDT          128.26           6046         0              Normal
  09/08/2026 11 PM PDT          128.26           6046         0              Normal
  09/09/2026 12 AM PDT          128.25           6022         -              Normal
  09/09/2026 01 AM PDT          128.25           6022         0              Normal
  09/09/2026 02 AM PDT          128.24           5998         -              Normal
  09/09/2026 03 AM PDT          128.24           5998         0              Normal
  09/09/2026 04 AM PDT          128.24           5998         0              Normal
  09/09/2026 05 AM PDT          128.24           5998         0              Normal
  09/09/2026 06 AM PDT          128.24           5998         0              Normal
  09/09/2026 07 AM PDT          128.23           5974         -              Normal
  09/09/2026 08 AM PDT          128.24           5998         +              Normal
  09/09/2026 09 AM PDT          128.24           5998         0              Normal
  09/09/2026 10 AM PDT          128.24           5998         0              Normal
  09/09/2026 11 AM PDT          128.25           6022         +              Normal
  09/09/2026 12 PM PDT          128.26           6046         +              Normal
  09/09/2026 01 PM PDT          128.27           6070         +              Normal
  09/09/2026 02 PM PDT          128.28           6095         +              Normal
  09/09/2026 03 PM PDT          128.28           6095         0              Normal
  09/09/2026 04 PM PDT          128.28           6095         0              Normal
  09/09/2026 05 PM PDT          128.26           6046         -              Normal
  09/09/2026 06 PM PDT          128.25           6022         -              Normal
  09/09/2026 07 PM PDT          128.24           5998         -              Normal
  09/09/2026 08 PM PDT          128.22           5950         -              Normal
  09/09/2026 09 PM PDT          128.22           5950         0              Normal
  09/09/2026 10 PM PDT          128.21           5926         -              Normal
  09/09/2026 11 PM PDT          128.21           5926         0              Normal
  09/10/2026 12 AM PDT          128.20           5902         -              Normal
  09/10/2026 01 AM PDT          128.19           5877         -              Normal
  09/10/2026 02 AM PDT          128.19           5877         0              Normal
  09/10/2026 03 AM PDT          128.18           5853         -              Normal
  09/10/2026 04 AM PDT          128.17           5828         -              Normal
  09/10/2026 05 AM PDT          128.16           5804         -              Normal
  09/10/2026 06 AM PDT          128.16           5804         0              Normal
  09/10/2026 07 AM PDT          128.17           5828         +              Normal
  09/10/2026 08 AM PDT          128.18           5853         +              Normal
  09/10/2026 09 AM PDT          128.19           5877         +              Normal
  09/10/2026 10 AM PDT          128.19           5877         0              Normal
  09/10/2026 11 AM PDT          128.18           5853         -              Normal
  09/10/2026 12 PM PDT          128.17           5828         -              Normal
  09/10/2026 01 PM PDT          128.17           5828         0              Normal
  09/10/2026 02 PM PDT          128.16           5804         -              Normal
  09/10/2026 03 PM PDT          128.14           5756         -              Normal
  09/10/2026 04 PM PDT          128.13           5732         -              Normal
  09/10/2026 05 PM PDT          128.11           5684         -              Normal
  09/10/2026 06 PM PDT          128.10           5660         -              Normal
  09/10/2026 07 PM PDT          128.10           5660         0              Normal
  09/10/2026 08 PM PDT          128.09           5636         -              Normal
  09/10/2026 09 PM PDT          128.09           5636         0              Normal
  09/10/2026 10 PM PDT          128.10           5660         +              Normal
  09/10/2026 11 PM PDT          128.10           5660         0              Normal
  09/11/2026 12 AM PDT          128.10           5660         0              Normal
  09/11/2026 01 AM PDT          128.10           5660         0              Normal
  09/11/2026 02 AM PDT          128.10           5660         0              Normal
  09/11/2026 03 AM PDT          128.10           5660         0              Normal
  09/11/2026 04 AM PDT          128.10           5660         0              Normal
  09/11/2026 05 AM PDT          128.09           5636         -              Normal
  09/11/2026 06 AM PDT          128.09           5636         0              Normal
  09/11/2026 07 AM PDT          128.09           5636         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  09/11/2026 08 AM PDT          128.09           5636                        Normal
  09/11/2026 09 AM PDT          128.09           5636         0              Normal
  09/11/2026 10 AM PDT          128.09           5636         0              Normal
  09/11/2026 11 AM PDT          128.09           5636         0              Normal
  09/11/2026 12 PM PDT          128.09           5636         0              Normal
  09/11/2026 01 PM PDT          128.09           5636         0              Normal
  09/11/2026 02 PM PDT          128.10           5660         +              Normal
  09/11/2026 03 PM PDT          128.10           5660         0              Normal
  09/11/2026 04 PM PDT          128.10           5660         0              Normal
  09/11/2026 05 PM PDT          128.10           5660         0              Normal
  09/11/2026 06 PM PDT          128.11           5684         +              Normal
  09/11/2026 07 PM PDT          128.11           5684         0              Normal
  09/11/2026 08 PM PDT          128.11           5684         0              Normal
  09/11/2026 09 PM PDT          128.11           5684         0              Normal
  09/11/2026 10 PM PDT          128.11           5684         0              Normal
  09/11/2026 11 PM PDT          128.11           5684         0              Normal
  09/12/2026 12 AM PDT          128.11           5684         0              Normal
  09/12/2026 01 AM PDT          128.11           5684         0              Normal
  09/12/2026 02 AM PDT          128.11           5684         0              Normal
  09/12/2026 03 AM PDT          128.11           5684         0              Normal
  09/12/2026 04 AM PDT          128.11           5684         0              Normal
  09/12/2026 05 AM PDT          128.11           5684         0              Normal
  09/12/2026 06 AM PDT          128.11           5684         0              Normal
  09/12/2026 07 AM PDT          128.11           5684         0              Normal
  09/12/2026 08 AM PDT          128.11           5684         0              Normal
  09/12/2026 09 AM PDT          128.11           5684         0              Normal
  09/12/2026 10 AM PDT          128.11           5684         0              Normal
  09/12/2026 11 AM PDT          128.11           5684         0              Normal
  09/12/2026 12 PM PDT          128.11           5684         0              Normal
  09/12/2026 01 PM PDT          128.11           5684         0              Normal
  09/12/2026 02 PM PDT          128.11           5684         0              Normal
  09/12/2026 03 PM PDT          128.11           5684         0              Normal
  09/12/2026 04 PM PDT          128.11           5684         0              Normal
  09/12/2026 05 PM PDT          128.11           5684         0              Normal
  09/12/2026 06 PM PDT          128.11           5684         0              Normal
  09/12/2026 07 PM PDT          128.11           5684         0              Normal
  09/12/2026 08 PM PDT          128.11           5684         0              Normal
  09/12/2026 09 PM PDT          128.11           5684         0              Normal
  09/12/2026 10 PM PDT          128.11           5684         0              Normal
  09/12/2026 11 PM PDT          128.11           5684         0              Normal
  09/13/2026 12 AM PDT          128.11           5684         0              Normal
  09/13/2026 01 AM PDT          128.11           5684         0              Normal
  09/13/2026 02 AM PDT          128.11           5684         0              Normal
  09/13/2026 03 AM PDT          128.11           5684         0              Normal
  09/13/2026 04 AM PDT          128.11           5684         0              Normal
  09/13/2026 05 AM PDT          128.11           5684         0              Normal
  09/13/2026 06 AM PDT          128.11           5684         0              Normal
  09/13/2026 07 AM PDT          128.11           5684         0              Normal
  09/13/2026 08 AM PDT          128.11           5684         0              Normal
  09/13/2026 09 AM PDT          128.11           5684         0              Normal
  09/13/2026 10 AM PDT          128.11           5684         0              Normal
  09/13/2026 11 AM PDT          128.11           5684         0              Normal
  09/13/2026 12 PM PDT          128.11           5684         0              Normal
  09/13/2026 01 PM PDT          128.11           5684         0              Normal
  09/13/2026 02 PM PDT          128.11           5684         0              Normal
  09/13/2026 03 PM PDT          128.11           5684         0              Normal
  09/13/2026 04 PM PDT          128.11           5684         0              Normal
  09/13/2026 05 PM PDT          128.11           5684         0              Normal
  09/13/2026 06 PM PDT          128.11           5684         0              Normal
  09/13/2026 07 PM PDT          128.11           5684         0              Normal
  09/13/2026 08 PM PDT          128.11           5684         0              Normal
  09/13/2026 09 PM PDT          128.11           5684         0              Normal
  09/13/2026 10 PM PDT          128.11           5684         0              Normal
  09/13/2026 11 PM PDT          128.11           5684         0              Normal
  09/14/2026 12 AM PDT          128.11           5684         0              Normal
  09/14/2026 01 AM PDT          128.11           5684         0              Normal
  09/14/2026 02 AM PDT          128.11           5684         0              Normal
  09/14/2026 03 AM PDT          128.11           5684         0              Normal
  09/14/2026 04 AM PDT          128.11           5684         0              Normal
  09/14/2026 05 AM PDT          128.11           5684         0              Normal
  09/14/2026 06 AM PDT          128.11           5684         0              Normal
  09/14/2026 07 AM PDT          128.11           5684         0              Normal
  09/14/2026 08 AM PDT          128.11           5684         0              Normal
  09/14/2026 09 AM PDT          128.11           5684         0              Normal
  09/14/2026 10 AM PDT          128.11           5684         0              Normal
  09/14/2026 11 AM PDT          128.11           5684         0              Normal
  09/14/2026 12 PM PDT          128.11           5684         0              Normal
  09/14/2026 01 PM PDT          128.11           5684         0              Normal
  09/14/2026 02 PM PDT          128.11           5684         0              Normal
  09/14/2026 03 PM PDT          128.11           5684         0              Normal
  09/14/2026 04 PM PDT          128.11           5684         0              Normal
  09/14/2026 05 PM PDT          128.11           5684         0              Normal
  09/14/2026 06 PM PDT          128.11           5684         0              Normal
  09/14/2026 07 PM PDT          128.11           5684         0              Normal
  09/14/2026 08 PM PDT          128.11           5684         0              Normal
  09/14/2026 09 PM PDT          128.11           5684         0              Normal
  09/14/2026 10 PM PDT          128.11           5684         0              Normal
  09/14/2026 11 PM PDT          128.11           5684         0              Normal
  09/15/2026 12 AM PDT          128.11           5684         0              Normal
  09/15/2026 01 AM PDT          128.11           5684         0              Normal
  09/15/2026 02 AM PDT          128.11           5684         0              Normal
  09/15/2026 03 AM PDT          128.11           5684         0              Normal
  09/15/2026 04 AM PDT          128.11           5684         0              Normal
  09/15/2026 05 AM PDT          128.11           5684         0              Normal
  09/15/2026 06 AM PDT          128.11           5684         0              Normal
  09/15/2026 07 AM PDT          128.11           5684         0              Normal
  09/15/2026 08 AM PDT          128.11           5684         0              Normal
  09/15/2026 09 AM PDT          128.11           5684         0              Normal
  09/15/2026 10 AM PDT          128.11           5684         0              Normal
  09/15/2026 11 AM PDT          128.11           5684         0              Normal
  09/15/2026 12 PM PDT          128.11           5684         0              Normal
  09/15/2026 01 PM PDT          128.11           5684         0              Normal
  09/15/2026 02 PM PDT          128.11           5684         0              Normal
  09/15/2026 03 PM PDT          128.11           5684         0              Normal
  09/15/2026 04 PM PDT          128.11           5684         0              Normal
  09/15/2026 05 PM PDT          128.11           5684         0              Normal
  09/15/2026 06 PM PDT          128.11           5684         0              Normal
  09/15/2026 07 PM PDT          128.11           5684         0              Normal
  09/15/2026 08 PM PDT          128.11           5684         0              Normal
  09/15/2026 09 PM PDT          128.11           5684         0              Normal
  09/15/2026 10 PM PDT          128.11           5684         0              Normal
  09/15/2026 11 PM PDT          128.11           5684         0              Normal
  09/16/2026 12 AM PDT          128.11           5684         0              Normal
  09/16/2026 01 AM PDT          128.11           5684         0              Normal
  09/16/2026 02 AM PDT          128.11           5684         0              Normal
  09/16/2026 03 AM PDT          128.11           5684         0              Normal
  09/16/2026 04 AM PDT          128.11           5684         0              Normal
  09/16/2026 05 AM PDT          128.11           5684         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.