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: Oct 19 2026 at 6:49 AM PDTNext Issuance: Oct 20 2026 at 9:00 AM PDT
Action: 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:  10/19/2026 at 06:49 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  10/14/2026 at 01:00 PM PDT
# Maximum Observed Stage:                       73.03 Feet
# Maximum Observed Flow:                        2347 cfs
#
# Earliest Date & Time of Maximum Forecast:     10/22/2026 at 04:00 PM PDT
# Maximum Forecast Stage:                       72.95 Feet
# Maximum Forecast Flow:                        2247 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  10/14/2026 06 AM PDT           73.02           2335                        Normal
  10/14/2026 07 AM PDT           73.02           2335         0              Normal
  10/14/2026 08 AM PDT           73.02           2335         0              Normal
  10/14/2026 09 AM PDT           73.03           2347         +              Normal
  10/14/2026 10 AM PDT           73.03           2347         0              Normal
  10/14/2026 11 AM PDT           73.02           2335         -              Normal
  10/14/2026 12 PM PDT           73.02           2335         0              Normal
  10/14/2026 01 PM PDT           73.03           2347         +              Normal
  10/14/2026 02 PM PDT           72.99           2297         -              Normal
  10/14/2026 03 PM PDT           72.93           2223         -              Normal
  10/14/2026 04 PM PDT           72.92           2210         -              Normal
  10/14/2026 05 PM PDT           72.91           2198         -              Normal
  10/14/2026 06 PM PDT           72.90           2186         -              Normal
  10/14/2026 07 PM PDT           72.90           2186         0              Normal
  10/14/2026 08 PM PDT           72.89           2174         -              Normal
  10/14/2026 09 PM PDT           72.89           2174         0              Normal
  10/14/2026 10 PM PDT           72.90           2186         +              Normal
  10/14/2026 11 PM PDT           72.89           2174         -              Normal
  10/15/2026 12 AM PDT           72.89           2174         0              Normal
  10/15/2026 01 AM PDT           72.89           2174         0              Normal
  10/15/2026 02 AM PDT           72.89           2174         0              Normal
  10/15/2026 03 AM PDT           72.89           2174         0              Normal
  10/15/2026 04 AM PDT           72.89           2174         0              Normal
  10/15/2026 05 AM PDT           72.89           2174         0              Normal
  10/15/2026 06 AM PDT           72.89           2174         0              Normal
  10/15/2026 07 AM PDT           72.90           2186         +              Normal
  10/15/2026 08 AM PDT           72.93           2223         +              Normal
  10/15/2026 09 AM PDT           72.89           2174         -              Normal
  10/15/2026 10 AM PDT           72.89           2174         0              Normal
  10/15/2026 11 AM PDT           72.88           2161         -              Normal
  10/15/2026 12 PM PDT           72.88           2161         0              Normal
  10/15/2026 01 PM PDT           72.88           2161         0              Normal
  10/15/2026 02 PM PDT           72.89           2174         +              Normal
  10/15/2026 03 PM PDT           72.88           2161         -              Normal
  10/15/2026 04 PM PDT           72.87           2149         -              Normal
  10/15/2026 05 PM PDT           72.88           2161         +              Normal
  10/15/2026 06 PM PDT           72.88           2161         0              Normal
  10/15/2026 07 PM PDT           72.88           2161         0              Normal
  10/15/2026 08 PM PDT           72.89           2174         +              Normal
  10/15/2026 09 PM PDT           72.89           2174         0              Normal
  10/15/2026 10 PM PDT           72.88           2161         -              Normal
  10/15/2026 11 PM PDT           72.89           2174         +              Normal
  10/16/2026 12 AM PDT           72.89           2174         0              Normal
  10/16/2026 01 AM PDT           72.88           2161         -              Normal
  10/16/2026 02 AM PDT           72.88           2161         0              Normal
  10/16/2026 03 AM PDT           72.87           2149         -              Normal
  10/16/2026 04 AM PDT           72.87           2149         0              Normal
  10/16/2026 05 AM PDT           72.88           2161         +              Normal
  10/16/2026 06 AM PDT           72.88           2161         0              Normal
  10/16/2026 07 AM PDT           72.87           2149         -              Normal
  10/16/2026 08 AM PDT           72.88           2161         +              Normal
  10/16/2026 09 AM PDT           72.88           2161         0              Normal
  10/16/2026 10 AM PDT           72.88           2161         0              Normal
  10/16/2026 11 AM PDT           72.88           2161         0              Normal
  10/16/2026 12 PM PDT           72.87           2149         -              Normal
  10/16/2026 01 PM PDT           72.87           2149         0              Normal
  10/16/2026 02 PM PDT           72.86           2137         -              Normal
  10/16/2026 03 PM PDT           72.87           2149         +              Normal
  10/16/2026 04 PM PDT           72.88           2161         +              Normal
  10/16/2026 05 PM PDT           72.87           2149         -              Normal
  10/16/2026 06 PM PDT           72.88           2161         +              Normal
  10/16/2026 07 PM PDT           72.88           2161         0              Normal
  10/16/2026 08 PM PDT           72.90           2186         +              Normal
  10/16/2026 09 PM PDT           72.91           2198         +              Normal
  10/16/2026 10 PM PDT           72.92           2210         +              Normal
  10/16/2026 11 PM PDT           72.92           2210         0              Normal
  10/17/2026 12 AM PDT           72.94           2235         +              Normal
  10/17/2026 01 AM PDT           72.93           2223         -              Normal
  10/17/2026 02 AM PDT           72.92           2210         -              Normal
  10/17/2026 03 AM PDT           72.93           2223         +              Normal
  10/17/2026 04 AM PDT           72.93           2223         0              Normal
  10/17/2026 05 AM PDT           72.94           2235         +              Normal
  10/17/2026 06 AM PDT           72.93           2223         -              Normal
  10/17/2026 07 AM PDT           72.93           2223         0              Normal
  10/17/2026 08 AM PDT           72.93           2223         0              Normal
  10/17/2026 09 AM PDT           72.94           2235         +              Normal
  10/17/2026 10 AM PDT           72.94           2235         0              Normal
  10/17/2026 11 AM PDT           72.94           2235         0              Normal
  10/17/2026 12 PM PDT           72.94           2235         0              Normal
  10/17/2026 01 PM PDT           72.93           2223         -              Normal
  10/17/2026 02 PM PDT           72.94           2235         +              Normal
  10/17/2026 03 PM PDT           72.94           2235         0              Normal
  10/17/2026 04 PM PDT           72.93           2223         -              Normal
  10/17/2026 05 PM PDT           72.93           2223         0              Normal
  10/17/2026 06 PM PDT           72.93           2223         0              Normal
  10/17/2026 07 PM PDT           72.93           2223         0              Normal
  10/17/2026 08 PM PDT           72.94           2235         +              Normal
  10/17/2026 09 PM PDT           72.94           2235         0              Normal
  10/17/2026 10 PM PDT           72.93           2223         -              Normal
  10/17/2026 11 PM PDT           72.93           2223         0              Normal
  10/18/2026 12 AM PDT           72.94           2235         +              Normal
  10/18/2026 01 AM PDT           72.93           2223         -              Normal
  10/18/2026 02 AM PDT           72.93           2223         0              Normal
  10/18/2026 03 AM PDT           72.93           2223         0              Normal
  10/18/2026 04 AM PDT           72.93           2223         0              Normal
  10/18/2026 05 AM PDT           72.93           2223         0              Normal
  10/18/2026 06 AM PDT           72.93           2223         0              Normal
  10/18/2026 07 AM PDT           72.94           2235         +              Normal
  10/18/2026 08 AM PDT           72.94           2235         0              Normal
  10/18/2026 09 AM PDT           72.95           2247         +              Normal
  10/18/2026 10 AM PDT           72.94           2235         -              Normal
  10/18/2026 11 AM PDT           72.93           2223         -              Normal
  10/18/2026 12 PM PDT           72.93           2223         0              Normal
  10/18/2026 01 PM PDT           72.94           2235         +              Normal
  10/18/2026 02 PM PDT           72.94           2235         0              Normal
  10/18/2026 03 PM PDT           72.93           2223         -              Normal
  10/18/2026 04 PM PDT           72.95           2247         +              Normal
  10/18/2026 05 PM PDT           72.94           2235         -              Normal
  10/18/2026 06 PM PDT           72.93           2223         -              Normal
  10/18/2026 07 PM PDT           72.93           2223         0              Normal
  10/18/2026 08 PM PDT           72.94           2235         +              Normal
  10/18/2026 09 PM PDT           72.94           2235         0              Normal
  10/18/2026 10 PM PDT           72.94           2235         0              Normal
  10/18/2026 11 PM PDT           72.93           2223         -              Normal
  10/19/2026 12 AM PDT           72.94           2235         +              Normal
  10/19/2026 01 AM PDT           72.93           2223         -              Normal
  10/19/2026 02 AM PDT           72.94           2235         +              Normal
  10/19/2026 03 AM PDT           72.94           2235         0              Normal
  10/19/2026 04 AM PDT           72.93           2223         -              Normal
  10/19/2026 05 AM PDT           72.94           2235         +              Normal
  10/19/2026 06 AM PDT           72.94           2235         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  10/19/2026 07 AM PDT           72.94           2235                        Normal
  10/19/2026 08 AM PDT           72.94           2235         0              Normal
  10/19/2026 09 AM PDT           72.94           2235         0              Normal
  10/19/2026 10 AM PDT           72.94           2235         0              Normal
  10/19/2026 11 AM PDT           72.94           2235         0              Normal
  10/19/2026 12 PM PDT           72.94           2235         0              Normal
  10/19/2026 01 PM PDT           72.94           2235         0              Normal
  10/19/2026 02 PM PDT           72.94           2235         0              Normal
  10/19/2026 03 PM PDT           72.94           2235         0              Normal
  10/19/2026 04 PM PDT           72.94           2235         0              Normal
  10/19/2026 05 PM PDT           72.94           2235         0              Normal
  10/19/2026 06 PM PDT           72.94           2235         0              Normal
  10/19/2026 07 PM PDT           72.94           2235         0              Normal
  10/19/2026 08 PM PDT           72.94           2235         0              Normal
  10/19/2026 09 PM PDT           72.94           2235         0              Normal
  10/19/2026 10 PM PDT           72.94           2235         0              Normal
  10/19/2026 11 PM PDT           72.94           2235         0              Normal
  10/20/2026 12 AM PDT           72.94           2235         0              Normal
  10/20/2026 01 AM PDT           72.94           2235         0              Normal
  10/20/2026 02 AM PDT           72.94           2235         0              Normal
  10/20/2026 03 AM PDT           72.94           2235         0              Normal
  10/20/2026 04 AM PDT           72.94           2235         0              Normal
  10/20/2026 05 AM PDT           72.94           2235         0              Normal
  10/20/2026 06 AM PDT           72.94           2235         0              Normal
  10/20/2026 07 AM PDT           72.94           2235         0              Normal
  10/20/2026 08 AM PDT           72.94           2235         0              Normal
  10/20/2026 09 AM PDT           72.94           2235         0              Normal
  10/20/2026 10 AM PDT           72.94           2235         0              Normal
  10/20/2026 11 AM PDT           72.94           2235         0              Normal
  10/20/2026 12 PM PDT           72.94           2235         0              Normal
  10/20/2026 01 PM PDT           72.94           2235         0              Normal
  10/20/2026 02 PM PDT           72.94           2235         0              Normal
  10/20/2026 03 PM PDT           72.94           2235         0              Normal
  10/20/2026 04 PM PDT           72.94           2235         0              Normal
  10/20/2026 05 PM PDT           72.94           2235         0              Normal
  10/20/2026 06 PM PDT           72.94           2235         0              Normal
  10/20/2026 07 PM PDT           72.94           2235         0              Normal
  10/20/2026 08 PM PDT           72.94           2235         0              Normal
  10/20/2026 09 PM PDT           72.94           2235         0              Normal
  10/20/2026 10 PM PDT           72.94           2235         0              Normal
  10/20/2026 11 PM PDT           72.94           2235         0              Normal
  10/21/2026 12 AM PDT           72.94           2235         0              Normal
  10/21/2026 01 AM PDT           72.94           2235         0              Normal
  10/21/2026 02 AM PDT           72.94           2235         0              Normal
  10/21/2026 03 AM PDT           72.94           2235         0              Normal
  10/21/2026 04 AM PDT           72.94           2235         0              Normal
  10/21/2026 05 AM PDT           72.94           2235         0              Normal
  10/21/2026 06 AM PDT           72.94           2235         0              Normal
  10/21/2026 07 AM PDT           72.94           2235         0              Normal
  10/21/2026 08 AM PDT           72.94           2235         0              Normal
  10/21/2026 09 AM PDT           72.94           2235         0              Normal
  10/21/2026 10 AM PDT           72.94           2235         0              Normal
  10/21/2026 11 AM PDT           72.94           2235         0              Normal
  10/21/2026 12 PM PDT           72.94           2235         0              Normal
  10/21/2026 01 PM PDT           72.94           2235         0              Normal
  10/21/2026 02 PM PDT           72.94           2235         0              Normal
  10/21/2026 03 PM PDT           72.94           2235         0              Normal
  10/21/2026 04 PM PDT           72.94           2235         0              Normal
  10/21/2026 05 PM PDT           72.94           2235         0              Normal
  10/21/2026 06 PM PDT           72.94           2235         0              Normal
  10/21/2026 07 PM PDT           72.94           2235         0              Normal
  10/21/2026 08 PM PDT           72.94           2235         0              Normal
  10/21/2026 09 PM PDT           72.94           2235         0              Normal
  10/21/2026 10 PM PDT           72.94           2235         0              Normal
  10/21/2026 11 PM PDT           72.94           2235         0              Normal
  10/22/2026 12 AM PDT           72.94           2235         0              Normal
  10/22/2026 01 AM PDT           72.94           2235         0              Normal
  10/22/2026 02 AM PDT           72.94           2235         0              Normal
  10/22/2026 03 AM PDT           72.94           2235         0              Normal
  10/22/2026 04 AM PDT           72.94           2235         0              Normal
  10/22/2026 05 AM PDT           72.94           2235         0              Normal
  10/22/2026 06 AM PDT           72.94           2235         0              Normal
  10/22/2026 07 AM PDT           72.94           2235         0              Normal
  10/22/2026 08 AM PDT           72.94           2235         0              Normal
  10/22/2026 09 AM PDT           72.94           2235         0              Normal
  10/22/2026 10 AM PDT           72.94           2235         0              Normal
  10/22/2026 11 AM PDT           72.94           2235         0              Normal
  10/22/2026 12 PM PDT           72.94           2235         0              Normal
  10/22/2026 01 PM PDT           72.94           2235         0              Normal
  10/22/2026 02 PM PDT           72.94           2235         0              Normal
  10/22/2026 03 PM PDT           72.94           2235         0              Normal
  10/22/2026 04 PM PDT           72.95           2247         +              Normal
  10/22/2026 05 PM PDT           72.95           2247         0              Normal
  10/22/2026 06 PM PDT           72.95           2247         0              Normal
  10/22/2026 07 PM PDT           72.95           2247         0              Normal
  10/22/2026 08 PM PDT           72.95           2247         0              Normal
  10/22/2026 09 PM PDT           72.95           2247         0              Normal
  10/22/2026 10 PM PDT           72.95           2247         0              Normal
  10/22/2026 11 PM PDT           72.95           2247         0              Normal
  10/23/2026 12 AM PDT           72.95           2247         0              Normal
  10/23/2026 01 AM PDT           72.95           2247         0              Normal
  10/23/2026 02 AM PDT           72.95           2247         0              Normal
  10/23/2026 03 AM PDT           72.95           2247         0              Normal
  10/23/2026 04 AM PDT           72.95           2247         0              Normal
  10/23/2026 05 AM PDT           72.95           2247         0              Normal
  10/23/2026 06 AM PDT           72.95           2247         0              Normal
  10/23/2026 07 AM PDT           72.95           2247         0              Normal
  10/23/2026 08 AM PDT           72.95           2247         0              Normal
  10/23/2026 09 AM PDT           72.95           2247         0              Normal
  10/23/2026 10 AM PDT           72.95           2247         0              Normal
  10/23/2026 11 AM PDT           72.95           2247         0              Normal
  10/23/2026 12 PM PDT           72.95           2247         0              Normal
  10/23/2026 01 PM PDT           72.95           2247         0              Normal
  10/23/2026 02 PM PDT           72.95           2247         0              Normal
  10/23/2026 03 PM PDT           72.95           2247         0              Normal
  10/23/2026 04 PM PDT           72.95           2247         0              Normal
  10/23/2026 05 PM PDT           72.95           2247         0              Normal
  10/23/2026 06 PM PDT           72.95           2247         0              Normal
  10/23/2026 07 PM PDT           72.95           2247         0              Normal
  10/23/2026 08 PM PDT           72.95           2247         0              Normal
  10/23/2026 09 PM PDT           72.95           2247         0              Normal
  10/23/2026 10 PM PDT           72.95           2247         0              Normal
  10/23/2026 11 PM PDT           72.95           2247         0              Normal
  10/24/2026 12 AM PDT           72.95           2247         0              Normal
  10/24/2026 01 AM PDT           72.95           2247         0              Normal
  10/24/2026 02 AM PDT           72.95           2247         0              Normal
  10/24/2026 03 AM PDT           72.95           2247         0              Normal
  10/24/2026 04 AM PDT           72.95           2247         0              Normal
  10/24/2026 05 AM PDT           72.95           2247         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.