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 FeetForecast Type: Official Location
Location: Glenn County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Mar 26 2026 at 12:41 PM PDTNext Issuance: Mar 27 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:  03/26/2026 at 12:41 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/23/2026 at 07:00 AM PDT
# Maximum Observed Stage:                       128.49 Feet
# Maximum Observed Flow:                        6607 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/26/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       128.18 Feet
# Maximum Forecast Flow:                        5853 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/21/2026 12 PM PDT          128.41           6412                        Normal
  03/21/2026 01 PM PDT          128.41           6412         0              Normal
  03/21/2026 02 PM PDT          128.41           6412         0              Normal
  03/21/2026 03 PM PDT          128.41           6412         0              Normal
  03/21/2026 04 PM PDT          128.41           6412         0              Normal
  03/21/2026 05 PM PDT          128.41           6412         0              Normal
  03/21/2026 06 PM PDT          128.40           6388         -              Normal
  03/21/2026 07 PM PDT          128.40           6388         0              Normal
  03/21/2026 08 PM PDT          128.40           6388         0              Normal
  03/21/2026 09 PM PDT          128.42           6436         +              Normal
  03/21/2026 10 PM PDT          128.43           6460         +              Normal
  03/21/2026 11 PM PDT          128.44           6485         +              Normal
  03/22/2026 12 AM PDT          128.44           6485         0              Normal
  03/22/2026 01 AM PDT          128.44           6485         0              Normal
  03/22/2026 02 AM PDT          128.44           6485         0              Normal
  03/22/2026 03 AM PDT          128.43           6460         -              Normal
  03/22/2026 04 AM PDT          128.41           6412         -              Normal
  03/22/2026 05 AM PDT          128.41           6412         0              Normal
  03/22/2026 06 AM PDT          128.41           6412         0              Normal
  03/22/2026 07 AM PDT          128.42           6436         +              Normal
  03/22/2026 08 AM PDT          128.41           6412         -              Normal
  03/22/2026 09 AM PDT          128.41           6412         0              Normal
  03/22/2026 10 AM PDT          128.41           6412         0              Normal
  03/22/2026 11 AM PDT          128.42           6436         +              Normal
  03/22/2026 12 PM PDT          128.44           6485         +              Normal
  03/22/2026 01 PM PDT          128.46           6533         +              Normal
  03/22/2026 02 PM PDT          128.47           6558         +              Normal
  03/22/2026 03 PM PDT          128.47           6558         0              Normal
  03/22/2026 04 PM PDT          128.47           6558         0              Normal
  03/22/2026 05 PM PDT          128.46           6533         -              Normal
  03/22/2026 06 PM PDT          128.45           6509         -              Normal
  03/22/2026 07 PM PDT          128.45           6509         0              Normal
  03/22/2026 08 PM PDT          128.44           6485         -              Normal
  03/22/2026 09 PM PDT          128.44           6485         0              Normal
  03/22/2026 10 PM PDT          128.44           6485         0              Normal
  03/22/2026 11 PM PDT          128.44           6485         0              Normal
  03/23/2026 12 AM PDT          128.44           6485         0              Normal
  03/23/2026 01 AM PDT          128.44           6485         0              Normal
  03/23/2026 02 AM PDT          128.45           6509         +              Normal
  03/23/2026 03 AM PDT          128.45           6509         0              Normal
  03/23/2026 04 AM PDT          128.46           6533         +              Normal
  03/23/2026 05 AM PDT          128.48           6582         +              Normal
  03/23/2026 06 AM PDT          128.49           6607         +              Normal
  03/23/2026 07 AM PDT          128.49           6607         0              Normal
  03/23/2026 08 AM PDT          128.46           6533         -              Normal
  03/23/2026 09 AM PDT          128.45           6509         -              Normal
  03/23/2026 10 AM PDT          128.46           6533         +              Normal
  03/23/2026 11 AM PDT          128.46           6533         0              Normal
  03/23/2026 12 PM PDT          128.46           6533         0              Normal
  03/23/2026 01 PM PDT          128.46           6533         0              Normal
  03/23/2026 02 PM PDT          128.47           6558         +              Normal
  03/23/2026 03 PM PDT          128.46           6533         -              Normal
  03/23/2026 04 PM PDT          128.45           6509         -              Normal
  03/23/2026 05 PM PDT          128.45           6509         0              Normal
  03/23/2026 06 PM PDT          128.45           6509         0              Normal
  03/23/2026 07 PM PDT          128.44           6485         -              Normal
  03/23/2026 08 PM PDT          128.43           6460         -              Normal
  03/23/2026 09 PM PDT          128.43           6460         0              Normal
  03/23/2026 10 PM PDT          128.43           6460         0              Normal
  03/23/2026 11 PM PDT          128.42           6436         -              Normal
  03/24/2026 12 AM PDT          128.42           6436         0              Normal
  03/24/2026 01 AM PDT          128.42           6436         0              Normal
  03/24/2026 02 AM PDT          128.42           6436         0              Normal
  03/24/2026 03 AM PDT          128.42           6436         0              Normal
  03/24/2026 04 AM PDT          128.41           6412         -              Normal
  03/24/2026 05 AM PDT          128.41           6412         0              Normal
  03/24/2026 06 AM PDT          128.41           6412         0              Normal
  03/24/2026 07 AM PDT          128.41           6412         0              Normal
  03/24/2026 08 AM PDT          128.40           6388         -              Normal
  03/24/2026 09 AM PDT          128.40           6388         0              Normal
  03/24/2026 10 AM PDT          128.40           6388         0              Normal
  03/24/2026 11 AM PDT          128.40           6388         0              Normal
  03/24/2026 12 PM PDT          128.41           6412         +              Normal
  03/24/2026 01 PM PDT          128.41           6412         0              Normal
  03/24/2026 02 PM PDT          128.41           6412         0              Normal
  03/24/2026 03 PM PDT          128.41           6412         0              Normal
  03/24/2026 04 PM PDT          128.41           6412         0              Normal
  03/24/2026 05 PM PDT          128.41           6412         0              Normal
  03/24/2026 06 PM PDT          128.41           6412         0              Normal
  03/24/2026 07 PM PDT          128.40           6388         -              Normal
  03/24/2026 08 PM PDT          128.40           6388         0              Normal
  03/24/2026 09 PM PDT          128.40           6388         0              Normal
  03/24/2026 10 PM PDT          128.40           6388         0              Normal
  03/24/2026 11 PM PDT          128.39           6363         -              Normal
  03/25/2026 12 AM PDT          128.39           6363         0              Normal
  03/25/2026 01 AM PDT          128.38           6338         -              Normal
  03/25/2026 02 AM PDT          128.37           6314         -              Normal
  03/25/2026 03 AM PDT          128.35           6265         -              Normal
  03/25/2026 04 AM PDT          128.34           6240         -              Normal
  03/25/2026 05 AM PDT          128.34           6240         0              Normal
  03/25/2026 06 AM PDT          128.33           6216         -              Normal
  03/25/2026 07 AM PDT          128.32           6192         -              Normal
  03/25/2026 08 AM PDT          128.31           6168         -              Normal
  03/25/2026 09 AM PDT          128.30           6144         -              Normal
  03/25/2026 10 AM PDT          128.29           6119         -              Normal
  03/25/2026 11 AM PDT          128.28           6095         -              Normal
  03/25/2026 12 PM PDT          128.28           6095         0              Normal
  03/25/2026 01 PM PDT          128.28           6095         0              Normal
  03/25/2026 02 PM PDT          128.28           6095         0              Normal
  03/25/2026 03 PM PDT          128.29           6119         +              Normal
  03/25/2026 04 PM PDT          128.29           6119         0              Normal
  03/25/2026 05 PM PDT          128.29           6119         0              Normal
  03/25/2026 06 PM PDT          128.29           6119         0              Normal
  03/25/2026 07 PM PDT          128.29           6119         0              Normal
  03/25/2026 08 PM PDT          128.28           6095         -              Normal
  03/25/2026 09 PM PDT          128.28           6095         0              Normal
  03/25/2026 10 PM PDT          128.28           6095         0              Normal
  03/25/2026 11 PM PDT          128.27           6070         -              Normal
  03/26/2026 12 AM PDT          128.27           6070         0              Normal
  03/26/2026 01 AM PDT          128.23           5974         -              Normal
  03/26/2026 02 AM PDT          128.24           5998         +              Normal
  03/26/2026 03 AM PDT          128.23           5974         -              Normal
  03/26/2026 04 AM PDT          128.20           5902         -              Normal
  03/26/2026 05 AM PDT          128.22           5950         +              Normal
  03/26/2026 06 AM PDT          128.21           5926         -              Normal
  03/26/2026 07 AM PDT          128.21           5926         0              Normal
  03/26/2026 08 AM PDT          128.21           5926         0              Normal
  03/26/2026 09 AM PDT          128.20           5902         -              Normal
  03/26/2026 10 AM PDT          128.17           5828         -              Normal
  03/26/2026 11 AM PDT          128.17           5828         0              Normal
  03/26/2026 12 PM PDT          128.17           5828         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/26/2026 01 PM PDT          128.17           5828                        Normal
  03/26/2026 02 PM PDT          128.17           5828         0              Normal
  03/26/2026 03 PM PDT          128.17           5828         0              Normal
  03/26/2026 04 PM PDT          128.17           5828         0              Normal
  03/26/2026 05 PM PDT          128.17           5828         0              Normal
  03/26/2026 06 PM PDT          128.18           5853         +              Normal
  03/26/2026 07 PM PDT          128.18           5853         0              Normal
  03/26/2026 08 PM PDT          128.17           5828         -              Normal
  03/26/2026 09 PM PDT          128.17           5828         0              Normal
  03/26/2026 10 PM PDT          128.18           5853         +              Normal
  03/26/2026 11 PM PDT          128.18           5853         0              Normal
  03/27/2026 12 AM PDT          128.18           5853         0              Normal
  03/27/2026 01 AM PDT          128.17           5828         -              Normal
  03/27/2026 02 AM PDT          128.17           5828         0              Normal
  03/27/2026 03 AM PDT          128.17           5828         0              Normal
  03/27/2026 04 AM PDT          128.17           5828         0              Normal
  03/27/2026 05 AM PDT          128.17           5828         0              Normal
  03/27/2026 06 AM PDT          128.17           5828         0              Normal
  03/27/2026 07 AM PDT          128.17           5828         0              Normal
  03/27/2026 08 AM PDT          128.17           5828         0              Normal
  03/27/2026 09 AM PDT          128.17           5828         0              Normal
  03/27/2026 10 AM PDT          128.17           5828         0              Normal
  03/27/2026 11 AM PDT          128.17           5828         0              Normal
  03/27/2026 12 PM PDT          128.17           5828         0              Normal
  03/27/2026 01 PM PDT          128.17           5828         0              Normal
  03/27/2026 02 PM PDT          128.17           5828         0              Normal
  03/27/2026 03 PM PDT          128.17           5828         0              Normal
  03/27/2026 04 PM PDT          128.17           5828         0              Normal
  03/27/2026 05 PM PDT          128.17           5828         0              Normal
  03/27/2026 06 PM PDT          128.17           5828         0              Normal
  03/27/2026 07 PM PDT          128.17           5828         0              Normal
  03/27/2026 08 PM PDT          128.17           5828         0              Normal
  03/27/2026 09 PM PDT          128.17           5828         0              Normal
  03/27/2026 10 PM PDT          128.16           5804         -              Normal
  03/27/2026 11 PM PDT          128.16           5804         0              Normal
  03/28/2026 12 AM PDT          128.16           5804         0              Normal
  03/28/2026 01 AM PDT          128.16           5804         0              Normal
  03/28/2026 02 AM PDT          128.16           5804         0              Normal
  03/28/2026 03 AM PDT          128.16           5804         0              Normal
  03/28/2026 04 AM PDT          128.16           5804         0              Normal
  03/28/2026 05 AM PDT          128.16           5804         0              Normal
  03/28/2026 06 AM PDT          128.16           5804         0              Normal
  03/28/2026 07 AM PDT          128.16           5804         0              Normal
  03/28/2026 08 AM PDT          128.16           5804         0              Normal
  03/28/2026 09 AM PDT          128.16           5804         0              Normal
  03/28/2026 10 AM PDT          128.16           5804         0              Normal
  03/28/2026 11 AM PDT          128.16           5804         0              Normal
  03/28/2026 12 PM PDT          128.16           5804         0              Normal
  03/28/2026 01 PM PDT          128.16           5804         0              Normal
  03/28/2026 02 PM PDT          128.16           5804         0              Normal
  03/28/2026 03 PM PDT          128.16           5804         0              Normal
  03/28/2026 04 PM PDT          128.16           5804         0              Normal
  03/28/2026 05 PM PDT          128.16           5804         0              Normal
  03/28/2026 06 PM PDT          128.16           5804         0              Normal
  03/28/2026 07 PM PDT          128.16           5804         0              Normal
  03/28/2026 08 PM PDT          128.16           5804         0              Normal
  03/28/2026 09 PM PDT          128.16           5804         0              Normal
  03/28/2026 10 PM PDT          128.16           5804         0              Normal
  03/28/2026 11 PM PDT          128.16           5804         0              Normal
  03/29/2026 12 AM PDT          128.16           5804         0              Normal
  03/29/2026 01 AM PDT          128.16           5804         0              Normal
  03/29/2026 02 AM PDT          128.16           5804         0              Normal
  03/29/2026 03 AM PDT          128.16           5804         0              Normal
  03/29/2026 04 AM PDT          128.16           5804         0              Normal
  03/29/2026 05 AM PDT          128.16           5804         0              Normal
  03/29/2026 06 AM PDT          128.16           5804         0              Normal
  03/29/2026 07 AM PDT          128.16           5804         0              Normal
  03/29/2026 08 AM PDT          128.15           5780         -              Normal
  03/29/2026 09 AM PDT          128.15           5780         0              Normal
  03/29/2026 10 AM PDT          128.15           5780         0              Normal
  03/29/2026 11 AM PDT          128.16           5804         +              Normal
  03/29/2026 12 PM PDT          128.16           5804         0              Normal
  03/29/2026 01 PM PDT          128.16           5804         0              Normal
  03/29/2026 02 PM PDT          128.16           5804         0              Normal
  03/29/2026 03 PM PDT          128.16           5804         0              Normal
  03/29/2026 04 PM PDT          128.16           5804         0              Normal
  03/29/2026 05 PM PDT          128.16           5804         0              Normal
  03/29/2026 06 PM PDT          128.16           5804         0              Normal
  03/29/2026 07 PM PDT          128.16           5804         0              Normal
  03/29/2026 08 PM PDT          128.16           5804         0              Normal
  03/29/2026 09 PM PDT          128.16           5804         0              Normal
  03/29/2026 10 PM PDT          128.16           5804         0              Normal
  03/29/2026 11 PM PDT          128.16           5804         0              Normal
  03/30/2026 12 AM PDT          128.15           5780         -              Normal
  03/30/2026 01 AM PDT          128.15           5780         0              Normal
  03/30/2026 02 AM PDT          128.15           5780         0              Normal
  03/30/2026 03 AM PDT          128.15           5780         0              Normal
  03/30/2026 04 AM PDT          128.15           5780         0              Normal
  03/30/2026 05 AM PDT          128.15           5780         0              Normal
  03/30/2026 06 AM PDT          128.15           5780         0              Normal
  03/30/2026 07 AM PDT          128.15           5780         0              Normal
  03/30/2026 08 AM PDT          128.15           5780         0              Normal
  03/30/2026 09 AM PDT          128.15           5780         0              Normal
  03/30/2026 10 AM PDT          128.15           5780         0              Normal
  03/30/2026 11 AM PDT          128.15           5780         0              Normal
  03/30/2026 12 PM PDT          128.15           5780         0              Normal
  03/30/2026 01 PM PDT          128.15           5780         0              Normal
  03/30/2026 02 PM PDT          128.15           5780         0              Normal
  03/30/2026 03 PM PDT          128.15           5780         0              Normal
  03/30/2026 04 PM PDT          128.15           5780         0              Normal
  03/30/2026 05 PM PDT          128.15           5780         0              Normal
  03/30/2026 06 PM PDT          128.15           5780         0              Normal
  03/30/2026 07 PM PDT          128.15           5780         0              Normal
  03/30/2026 08 PM PDT          128.15           5780         0              Normal
  03/30/2026 09 PM PDT          128.15           5780         0              Normal
  03/30/2026 10 PM PDT          128.15           5780         0              Normal
  03/30/2026 11 PM PDT          128.15           5780         0              Normal
  03/31/2026 12 AM PDT          128.15           5780         0              Normal
  03/31/2026 01 AM PDT          128.15           5780         0              Normal
  03/31/2026 02 AM PDT          128.15           5780         0              Normal
  03/31/2026 03 AM PDT          128.15           5780         0              Normal
  03/31/2026 04 AM PDT          128.15           5780         0              Normal
  03/31/2026 05 AM PDT          128.15           5780         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.