FEATHER RIVER - GRIDLEY (GRIC1)
Latitude: 39.37º NLongitude: 121.65º WElevation: 92 FeetForecast Type: Official Location
Location: Butte County in CaliforniaBulletin Group: Lower SacramentoRiver Group: Feather Yuba
Issuance Time: Mar 24 2026 at 12:52 PM PDTNext Issuance: Mar 25 2026 at 9:00 AM PDT
Action/Monitor: 94.0 FeetMinor Flood: 103.0 FeetModerate Flood: 105.6 FeetMajor Flood: 106.6 Feet

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Feather River - Gridley (GRIC1)
#
# File Generation Time:  03/24/2026 at 12:53 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/19/2026 at 07:00 PM PDT
# Maximum Observed Stage:                       74.90 Feet
# Maximum Observed Flow:                        5118 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/24/2026 at 01:00 PM PDT
# Maximum Forecast Stage:                       74.22 Feet
# Maximum Forecast Flow:                        3951 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/19/2026 12 PM PDT           74.90           5118                        Normal
  03/19/2026 01 PM PDT           74.89           5100         -              Normal
  03/19/2026 02 PM PDT           74.88           5082         -              Normal
  03/19/2026 03 PM PDT           74.90           5118         +              Normal
  03/19/2026 04 PM PDT           74.89           5100         -              Normal
  03/19/2026 05 PM PDT           74.88           5082         -              Normal
  03/19/2026 06 PM PDT           74.89           5100         +              Normal
  03/19/2026 07 PM PDT           74.90           5118         +              Normal
  03/19/2026 08 PM PDT           74.89           5100         -              Normal
  03/19/2026 09 PM PDT           74.89           5100         0              Normal
  03/19/2026 10 PM PDT           74.88           5082         -              Normal
  03/19/2026 11 PM PDT           74.89           5100         +              Normal
  03/20/2026 12 AM PDT           74.89           5100         0              Normal
  03/20/2026 01 AM PDT           74.89           5100         0              Normal
  03/20/2026 02 AM PDT           74.89           5100         0              Normal
  03/20/2026 03 AM PDT           74.89           5100         0              Normal
  03/20/2026 04 AM PDT           74.88           5082         -              Normal
  03/20/2026 05 AM PDT           74.87           5063         -              Normal
  03/20/2026 06 AM PDT           74.88           5082         +              Normal
  03/20/2026 07 AM PDT           74.86           5045         -              Normal
  03/20/2026 08 AM PDT           74.87           5063         +              Normal
  03/20/2026 09 AM PDT           74.88           5082         +              Normal
  03/20/2026 10 AM PDT           74.88           5082         0              Normal
  03/20/2026 11 AM PDT           74.88           5082         0              Normal
  03/20/2026 12 PM PDT           74.87           5063         -              Normal
  03/20/2026 01 PM PDT           74.88           5082         +              Normal
  03/20/2026 02 PM PDT           74.88           5082         0              Normal
  03/20/2026 03 PM PDT           74.88           5082         0              Normal
  03/20/2026 04 PM PDT           74.89           5100         +              Normal
  03/20/2026 05 PM PDT           74.89           5100         0              Normal
  03/20/2026 06 PM PDT           74.84           5009         -              Normal
  03/20/2026 07 PM PDT           74.89           5100         +              Normal
  03/20/2026 08 PM PDT           74.88           5082         -              Normal
  03/20/2026 09 PM PDT           74.89           5100         +              Normal
  03/20/2026 10 PM PDT           74.88           5082         -              Normal
  03/20/2026 11 PM PDT           74.88           5082         0              Normal
  03/21/2026 12 AM PDT           74.88           5082         0              Normal
  03/21/2026 01 AM PDT           74.89           5100         +              Normal
  03/21/2026 02 AM PDT           74.89           5100         0              Normal
  03/21/2026 03 AM PDT           74.88           5082         -              Normal
  03/21/2026 04 AM PDT           74.89           5100         +              Normal
  03/21/2026 05 AM PDT           74.89           5100         0              Normal
  03/21/2026 06 AM PDT           74.88           5082         -              Normal
  03/21/2026 07 AM PDT           74.88           5082         0              Normal
  03/21/2026 08 AM PDT           74.87           5063         -              Normal
  03/21/2026 09 AM PDT           74.88           5082         +              Normal
  03/21/2026 10 AM PDT           74.88           5082         0              Normal
  03/21/2026 11 AM PDT           74.88           5082         0              Normal
  03/21/2026 12 PM PDT           74.87           5063         -              Normal
  03/21/2026 01 PM PDT           74.88           5082         +              Normal
  03/21/2026 02 PM PDT           74.89           5100         +              Normal
  03/21/2026 03 PM PDT           74.88           5082         -              Normal
  03/21/2026 04 PM PDT           74.87           5063         -              Normal
  03/21/2026 05 PM PDT           74.87           5063         0              Normal
  03/21/2026 06 PM PDT           74.89           5100         +              Normal
  03/21/2026 07 PM PDT           74.88           5082         -              Normal
  03/21/2026 08 PM PDT           74.88           5082         0              Normal
  03/21/2026 09 PM PDT           74.87           5063         -              Normal
  03/21/2026 10 PM PDT           74.89           5100         +              Normal
  03/21/2026 11 PM PDT           74.88           5082         -              Normal
  03/22/2026 12 AM PDT           74.88           5082         0              Normal
  03/22/2026 01 AM PDT           74.87           5063         -              Normal
  03/22/2026 02 AM PDT           74.87           5063         0              Normal
  03/22/2026 03 AM PDT           74.88           5082         +              Normal
  03/22/2026 04 AM PDT           74.88           5082         0              Normal
  03/22/2026 05 AM PDT           74.88           5082         0              Normal
  03/22/2026 06 AM PDT           74.89           5100         +              Normal
  03/22/2026 07 AM PDT           74.89           5100         0              Normal
  03/22/2026 08 AM PDT           74.89           5100         0              Normal
  03/22/2026 09 AM PDT           74.89           5100         0              Normal
  03/22/2026 10 AM PDT           74.87           5063         -              Normal
  03/22/2026 11 AM PDT           74.87           5063         0              Normal
  03/22/2026 12 PM PDT           74.89           5100         +              Normal
  03/22/2026 01 PM PDT           74.89           5100         0              Normal
  03/22/2026 02 PM PDT           74.88           5082         -              Normal
  03/22/2026 03 PM PDT           74.87           5063         -              Normal
  03/22/2026 04 PM PDT           74.87           5063         0              Normal
  03/22/2026 05 PM PDT           74.86           5045         -              Normal
  03/22/2026 06 PM PDT           74.88           5082         +              Normal
  03/22/2026 07 PM PDT           74.88           5082         0              Normal
  03/22/2026 08 PM PDT           74.88           5082         0              Normal
  03/22/2026 09 PM PDT           74.87           5063         -              Normal
  03/22/2026 10 PM PDT           74.87           5063         0              Normal
  03/22/2026 11 PM PDT           74.88           5082         +              Normal
  03/23/2026 12 AM PDT           74.87           5063         -              Normal
  03/23/2026 01 AM PDT           74.88           5082         +              Normal
  03/23/2026 02 AM PDT           74.88           5082         0              Normal
  03/23/2026 03 AM PDT           74.88           5082         0              Normal
  03/23/2026 04 AM PDT           74.87           5063         -              Normal
  03/23/2026 05 AM PDT           74.88           5082         +              Normal
  03/23/2026 06 AM PDT           74.88           5082         0              Normal
  03/23/2026 07 AM PDT           74.88           5082         0              Normal
  03/23/2026 08 AM PDT           74.88           5082         0              Normal
  03/23/2026 09 AM PDT           74.88           5082         0              Normal
  03/23/2026 10 AM PDT           74.88           5082         0              Normal
  03/23/2026 11 AM PDT           74.88           5082         0              Normal
  03/23/2026 12 PM PDT           74.87           5063         -              Normal
  03/23/2026 01 PM PDT           74.82           4974         -              Normal
  03/23/2026 02 PM PDT           74.67           4708         -              Normal
  03/23/2026 03 PM PDT           74.50           4416         -              Normal
  03/23/2026 04 PM PDT           74.40           4247         -              Normal
  03/23/2026 05 PM PDT           74.35           4164         -              Normal
  03/23/2026 06 PM PDT           74.34           4147         -              Normal
  03/23/2026 07 PM PDT           74.34           4147         0              Normal
  03/23/2026 08 PM PDT           74.33           4131         -              Normal
  03/23/2026 09 PM PDT           74.33           4131         0              Normal
  03/23/2026 10 PM PDT           74.33           4131         0              Normal
  03/23/2026 11 PM PDT           74.33           4131         0              Normal
  03/24/2026 12 AM PDT           74.33           4131         0              Normal
  03/24/2026 01 AM PDT           74.33           4131         0              Normal
  03/24/2026 02 AM PDT           74.33           4131         0              Normal
  03/24/2026 03 AM PDT           74.33           4131         0              Normal
  03/24/2026 04 AM PDT           74.33           4131         0              Normal
  03/24/2026 05 AM PDT           74.33           4131         0              Normal
  03/24/2026 06 AM PDT           74.33           4131         0              Normal
  03/24/2026 07 AM PDT           74.33           4131         0              Normal
  03/24/2026 08 AM PDT           74.32           4114         -              Normal
  03/24/2026 09 AM PDT           74.32           4114         0              Normal
  03/24/2026 10 AM PDT           74.31           4098         -              Normal
  03/24/2026 11 AM PDT           74.32           4114         +              Normal
  03/24/2026 12 PM PDT           74.32           4114         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/24/2026 01 PM PDT           74.22           3951                        Normal
  03/24/2026 02 PM PDT           73.97           3556         -              Normal
  03/24/2026 03 PM PDT           73.78           3269         -              Normal
  03/24/2026 04 PM PDT           73.71           3166         -              Normal
  03/24/2026 05 PM PDT           73.69           3137         -              Normal
  03/24/2026 06 PM PDT           73.68           3122         -              Normal
  03/24/2026 07 PM PDT           73.68           3122         0              Normal
  03/24/2026 08 PM PDT           73.68           3122         0              Normal
  03/24/2026 09 PM PDT           73.68           3122         0              Normal
  03/24/2026 10 PM PDT           73.68           3122         0              Normal
  03/24/2026 11 PM PDT           73.68           3122         0              Normal
  03/25/2026 12 AM PDT           73.68           3122         0              Normal
  03/25/2026 01 AM PDT           73.68           3122         0              Normal
  03/25/2026 02 AM PDT           73.68           3122         0              Normal
  03/25/2026 03 AM PDT           73.68           3122         0              Normal
  03/25/2026 04 AM PDT           73.68           3122         0              Normal
  03/25/2026 05 AM PDT           73.68           3122         0              Normal
  03/25/2026 06 AM PDT           73.68           3122         0              Normal
  03/25/2026 07 AM PDT           73.68           3122         0              Normal
  03/25/2026 08 AM PDT           73.68           3122         0              Normal
  03/25/2026 09 AM PDT           73.68           3122         0              Normal
  03/25/2026 10 AM PDT           73.68           3122         0              Normal
  03/25/2026 11 AM PDT           73.68           3122         0              Normal
  03/25/2026 12 PM PDT           73.68           3122         0              Normal
  03/25/2026 01 PM PDT           73.56           2949         -              Normal
  03/25/2026 02 PM PDT           73.28           2565         -              Normal
  03/25/2026 03 PM PDT           73.05           2266         -              Normal
  03/25/2026 04 PM PDT           72.97           2166         -              Normal
  03/25/2026 05 PM PDT           72.95           2142         -              Normal
  03/25/2026 06 PM PDT           72.94           2129         -              Normal
  03/25/2026 07 PM PDT           72.93           2117         -              Normal
  03/25/2026 08 PM PDT           72.93           2117         0              Normal
  03/25/2026 09 PM PDT           72.93           2117         0              Normal
  03/25/2026 10 PM PDT           72.93           2117         0              Normal
  03/25/2026 11 PM PDT           72.93           2117         0              Normal
  03/26/2026 12 AM PDT           72.93           2117         0              Normal
  03/26/2026 01 AM PDT           72.93           2117         0              Normal
  03/26/2026 02 AM PDT           72.93           2117         0              Normal
  03/26/2026 03 AM PDT           72.93           2117         0              Normal
  03/26/2026 04 AM PDT           72.93           2117         0              Normal
  03/26/2026 05 AM PDT           72.93           2117         0              Normal
  03/26/2026 06 AM PDT           72.93           2117         0              Normal
  03/26/2026 07 AM PDT           72.94           2129         +              Normal
  03/26/2026 08 AM PDT           72.94           2129         0              Normal
  03/26/2026 09 AM PDT           72.94           2129         0              Normal
  03/26/2026 10 AM PDT           72.94           2129         0              Normal
  03/26/2026 11 AM PDT           72.94           2129         0              Normal
  03/26/2026 12 PM PDT           72.94           2129         0              Normal
  03/26/2026 01 PM PDT           72.94           2129         0              Normal
  03/26/2026 02 PM PDT           72.88           2056         -              Normal
  03/26/2026 03 PM PDT           72.81           1973         -              Normal
  03/26/2026 04 PM PDT           72.78           1937         -              Normal
  03/26/2026 05 PM PDT           72.77           1925         -              Normal
  03/26/2026 06 PM PDT           72.77           1925         0              Normal
  03/26/2026 07 PM PDT           72.77           1925         0              Normal
  03/26/2026 08 PM PDT           72.77           1925         0              Normal
  03/26/2026 09 PM PDT           72.77           1925         0              Normal
  03/26/2026 10 PM PDT           72.77           1925         0              Normal
  03/26/2026 11 PM PDT           72.77           1925         0              Normal
  03/27/2026 12 AM PDT           72.77           1925         0              Normal
  03/27/2026 01 AM PDT           72.77           1925         0              Normal
  03/27/2026 02 AM PDT           72.77           1925         0              Normal
  03/27/2026 03 AM PDT           72.77           1925         0              Normal
  03/27/2026 04 AM PDT           72.77           1925         0              Normal
  03/27/2026 05 AM PDT           72.77           1925         0              Normal
  03/27/2026 06 AM PDT           72.77           1925         0              Normal
  03/27/2026 07 AM PDT           72.77           1925         0              Normal
  03/27/2026 08 AM PDT           72.77           1925         0              Normal
  03/27/2026 09 AM PDT           72.77           1925         0              Normal
  03/27/2026 10 AM PDT           72.77           1925         0              Normal
  03/27/2026 11 AM PDT           72.77           1925         0              Normal
  03/27/2026 12 PM PDT           72.77           1925         0              Normal
  03/27/2026 01 PM PDT           72.77           1925         0              Normal
  03/27/2026 02 PM PDT           72.72           1867         -              Normal
  03/27/2026 03 PM PDT           72.64           1775         -              Normal
  03/27/2026 04 PM PDT           72.61           1742         -              Normal
  03/27/2026 05 PM PDT           72.60           1731         -              Normal
  03/27/2026 06 PM PDT           72.60           1731         0              Normal
  03/27/2026 07 PM PDT           72.60           1731         0              Normal
  03/27/2026 08 PM PDT           72.60           1731         0              Normal
  03/27/2026 09 PM PDT           72.60           1731         0              Normal
  03/27/2026 10 PM PDT           72.60           1731         0              Normal
  03/27/2026 11 PM PDT           72.60           1731         0              Normal
  03/28/2026 12 AM PDT           72.60           1731         0              Normal
  03/28/2026 01 AM PDT           72.60           1731         0              Normal
  03/28/2026 02 AM PDT           72.60           1731         0              Normal
  03/28/2026 03 AM PDT           72.60           1731         0              Normal
  03/28/2026 04 AM PDT           72.60           1731         0              Normal
  03/28/2026 05 AM PDT           72.60           1731         0              Normal
  03/28/2026 06 AM PDT           72.60           1731         0              Normal
  03/28/2026 07 AM PDT           72.60           1731         0              Normal
  03/28/2026 08 AM PDT           72.60           1731         0              Normal
  03/28/2026 09 AM PDT           72.60           1731         0              Normal
  03/28/2026 10 AM PDT           72.60           1731         0              Normal
  03/28/2026 11 AM PDT           72.60           1731         0              Normal
  03/28/2026 12 PM PDT           72.60           1731         0              Normal
  03/28/2026 01 PM PDT           72.60           1731         0              Normal
  03/28/2026 02 PM PDT           72.54           1664         -              Normal
  03/28/2026 03 PM PDT           72.46           1577         -              Normal
  03/28/2026 04 PM PDT           72.43           1545         -              Normal
  03/28/2026 05 PM PDT           72.42           1535         -              Normal
  03/28/2026 06 PM PDT           72.42           1535         0              Normal
  03/28/2026 07 PM PDT           72.42           1535         0              Normal
  03/28/2026 08 PM PDT           72.42           1535         0              Normal
  03/28/2026 09 PM PDT           72.42           1535         0              Normal
  03/28/2026 10 PM PDT           72.42           1535         0              Normal
  03/28/2026 11 PM PDT           72.42           1535         0              Normal
  03/29/2026 12 AM PDT           72.42           1535         0              Normal
  03/29/2026 01 AM PDT           72.42           1535         0              Normal
  03/29/2026 02 AM PDT           72.42           1535         0              Normal
  03/29/2026 03 AM PDT           72.42           1535         0              Normal
  03/29/2026 04 AM PDT           72.42           1535         0              Normal
  03/29/2026 05 AM PDT           72.42           1535         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.