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 12 2026 at 7:24 AM PDTNext Issuance: Mar 12 2026 at 3:00 PM 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:  03/12/2026 at 07:25 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/07/2026 at 07:00 AM PST
# Maximum Observed Stage:                       77.04 Feet
# Maximum Observed Flow:                        9636 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/15/2026 at 05:00 AM PDT
# Maximum Forecast Stage:                       75.72 Feet
# Maximum Forecast Flow:                        6700 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/07/2026 06 AM PST           77.01           9564                        Normal
  03/07/2026 07 AM PST           77.04           9636         +              Normal
  03/07/2026 08 AM PST           77.01           9564         -              Normal
  03/07/2026 09 AM PST           77.00           9540         -              Normal
  03/07/2026 10 AM PST           77.03           9612         +              Normal
  03/07/2026 11 AM PST           77.02           9588         -              Normal
  03/07/2026 12 PM PST           77.01           9564         -              Normal
  03/07/2026 01 PM PST           76.96           9444         -              Normal
  03/07/2026 02 PM PST           76.85           9184         -              Normal
  03/07/2026 03 PM PST           76.74           8927         -              Normal
  03/07/2026 04 PM PST           76.67           8765         -              Normal
  03/07/2026 05 PM PST           76.65           8719         -              Normal
  03/07/2026 06 PM PST           76.64           8696         -              Normal
  03/07/2026 07 PM PST           76.63           8673         -              Normal
  03/07/2026 08 PM PST           76.65           8719         +              Normal
  03/07/2026 09 PM PST           76.63           8673         -              Normal
  03/07/2026 10 PM PST           76.62           8650         -              Normal
  03/07/2026 11 PM PST           76.63           8673         +              Normal
  03/08/2026 12 AM PST           76.63           8673         0              Normal
  03/08/2026 01 AM PST           76.61           8628         -              Normal
  03/08/2026 03 AM PDT           76.63           8673         +              Normal
  03/08/2026 04 AM PDT           76.61           8628         -              Normal
  03/08/2026 05 AM PDT           76.62           8650         +              Normal
  03/08/2026 06 AM PDT           76.64           8696         +              Normal
  03/08/2026 07 AM PDT           76.62           8650         -              Normal
  03/08/2026 08 AM PDT           76.63           8673         +              Normal
  03/08/2026 09 AM PDT           76.62           8650         -              Normal
  03/08/2026 10 AM PDT           76.62           8650         0              Normal
  03/08/2026 11 AM PDT           76.64           8696         +              Normal
  03/08/2026 12 PM PDT           76.62           8650         -              Normal
  03/08/2026 01 PM PDT           76.59           8582         -              Normal
  03/08/2026 02 PM PDT           76.61           8628         +              Normal
  03/08/2026 03 PM PDT           76.58           8559         -              Normal
  03/08/2026 04 PM PDT           76.61           8628         +              Normal
  03/08/2026 05 PM PDT           76.60           8605         -              Normal
  03/08/2026 06 PM PDT           76.61           8628         +              Normal
  03/08/2026 07 PM PDT           76.61           8628         0              Normal
  03/08/2026 08 PM PDT           76.63           8673         +              Normal
  03/08/2026 09 PM PDT           76.62           8650         -              Normal
  03/08/2026 10 PM PDT           76.60           8605         -              Normal
  03/08/2026 11 PM PDT           76.63           8673         +              Normal
  03/09/2026 12 AM PDT           76.61           8628         -              Normal
  03/09/2026 01 AM PDT           76.62           8650         +              Normal
  03/09/2026 02 AM PDT           76.59           8582         -              Normal
  03/09/2026 03 AM PDT           76.62           8650         +              Normal
  03/09/2026 04 AM PDT           76.60           8605         -              Normal
  03/09/2026 05 AM PDT           76.61           8628         +              Normal
  03/09/2026 06 AM PDT           76.62           8650         +              Normal
  03/09/2026 07 AM PDT           76.62           8650         0              Normal
  03/09/2026 08 AM PDT           76.62           8650         0              Normal
  03/09/2026 09 AM PDT           76.60           8605         -              Normal
  03/09/2026 10 AM PDT           76.61           8628         +              Normal
  03/09/2026 11 AM PDT           76.60           8605         -              Normal
  03/09/2026 12 PM PDT           76.62           8650         +              Normal
  03/09/2026 01 PM PDT           76.59           8582         -              Normal
  03/09/2026 02 PM PDT           76.60           8605         +              Normal
  03/09/2026 03 PM PDT           76.62           8650         +              Normal
  03/09/2026 04 PM PDT           76.62           8650         0              Normal
  03/09/2026 05 PM PDT           76.60           8605         -              Normal
  03/09/2026 06 PM PDT           76.60           8605         0              Normal
  03/09/2026 07 PM PDT           76.60           8605         0              Normal
  03/09/2026 08 PM PDT           76.59           8582         -              Normal
  03/09/2026 09 PM PDT           76.61           8628         +              Normal
  03/09/2026 10 PM PDT           76.59           8582         -              Normal
  03/09/2026 11 PM PDT           76.60           8605         +              Normal
  03/10/2026 12 AM PDT           76.60           8605         0              Normal
  03/10/2026 01 AM PDT           76.63           8673         +              Normal
  03/10/2026 02 AM PDT           76.61           8628         -              Normal
  03/10/2026 03 AM PDT           76.59           8582         -              Normal
  03/10/2026 04 AM PDT           76.60           8605         +              Normal
  03/10/2026 05 AM PDT           76.63           8673         +              Normal
  03/10/2026 06 AM PDT           76.63           8673         0              Normal
  03/10/2026 07 AM PDT           76.61           8628         -              Normal
  03/10/2026 08 AM PDT           76.59           8582         -              Normal
  03/10/2026 09 AM PDT           76.60           8605         +              Normal
  03/10/2026 10 AM PDT           76.63           8673         +              Normal
  03/10/2026 11 AM PDT           76.61           8628         -              Normal
  03/10/2026 12 PM PDT           76.61           8628         0              Normal
  03/10/2026 01 PM PDT           76.58           8559         -              Normal
  03/10/2026 02 PM PDT           76.59           8582         +              Normal
  03/10/2026 03 PM PDT           76.60           8605         +              Normal
  03/10/2026 04 PM PDT           76.61           8628         +              Normal
  03/10/2026 05 PM PDT           76.61           8628         0              Normal
  03/10/2026 06 PM PDT           76.59           8582         -              Normal
  03/10/2026 07 PM PDT           76.59           8582         0              Normal
  03/10/2026 08 PM PDT           76.60           8605         +              Normal
  03/10/2026 09 PM PDT           76.60           8605         0              Normal
  03/10/2026 10 PM PDT           76.62           8650         +              Normal
  03/10/2026 11 PM PDT           76.59           8582         -              Normal
  03/11/2026 12 AM PDT           76.61           8628         +              Normal
  03/11/2026 01 AM PDT           76.62           8650         +              Normal
  03/11/2026 02 AM PDT           76.61           8628         -              Normal
  03/11/2026 03 AM PDT           76.59           8582         -              Normal
  03/11/2026 04 AM PDT           76.60           8605         +              Normal
  03/11/2026 05 AM PDT           76.62           8650         +              Normal
  03/11/2026 06 AM PDT           76.60           8605         -              Normal
  03/11/2026 07 AM PDT           76.59           8582         -              Normal
  03/11/2026 08 AM PDT           76.60           8605         +              Normal
  03/11/2026 09 AM PDT           76.62           8650         +              Normal
  03/11/2026 10 AM PDT           76.60           8605         -              Normal
  03/11/2026 11 AM PDT           76.60           8605         0              Normal
  03/11/2026 12 PM PDT           76.57           8536         -              Normal
  03/11/2026 01 PM PDT           76.43           8220         -              Normal
  03/11/2026 02 PM PDT           76.25           7821         -              Normal
  03/11/2026 03 PM PDT           76.03           7346         -              Normal
  03/11/2026 04 PM PDT           75.88           7030         -              Normal
  03/11/2026 05 PM PDT           75.80           6864         -              Normal
  03/11/2026 06 PM PDT           75.76           6781         -              Normal
  03/11/2026 07 PM PDT           75.75           6761         -              Normal
  03/11/2026 08 PM PDT           75.73           6720         -              Normal
  03/11/2026 09 PM PDT           75.74           6740         +              Normal
  03/11/2026 10 PM PDT           75.74           6740         0              Normal
  03/11/2026 11 PM PDT           75.72           6700         -              Normal
  03/12/2026 12 AM PDT           75.72           6700         0              Normal
  03/12/2026 01 AM PDT           75.71           6679         -              Normal
  03/12/2026 02 AM PDT           75.72           6700         +              Normal
  03/12/2026 03 AM PDT           75.71           6679         -              Normal
  03/12/2026 04 AM PDT           75.71           6679         0              Normal
  03/12/2026 05 AM PDT           75.71           6679         0              Normal
  03/12/2026 06 AM PDT           75.71           6679         0              Normal
  03/12/2026 07 AM PDT           75.71           6679         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/12/2026 08 AM PDT           75.71           6679                        Normal
  03/12/2026 09 AM PDT           75.71           6679         0              Normal
  03/12/2026 10 AM PDT           75.71           6679         0              Normal
  03/12/2026 11 AM PDT           75.71           6679         0              Normal
  03/12/2026 12 PM PDT           75.71           6679         0              Normal
  03/12/2026 01 PM PDT           75.71           6679         0              Normal
  03/12/2026 02 PM PDT           75.71           6679         0              Normal
  03/12/2026 03 PM PDT           75.71           6679         0              Normal
  03/12/2026 04 PM PDT           75.71           6679         0              Normal
  03/12/2026 05 PM PDT           75.71           6679         0              Normal
  03/12/2026 06 PM PDT           75.71           6679         0              Normal
  03/12/2026 07 PM PDT           75.71           6679         0              Normal
  03/12/2026 08 PM PDT           75.71           6679         0              Normal
  03/12/2026 09 PM PDT           75.71           6679         0              Normal
  03/12/2026 10 PM PDT           75.71           6679         0              Normal
  03/12/2026 11 PM PDT           75.71           6679         0              Normal
  03/13/2026 12 AM PDT           75.71           6679         0              Normal
  03/13/2026 01 AM PDT           75.71           6679         0              Normal
  03/13/2026 02 AM PDT           75.71           6679         0              Normal
  03/13/2026 03 AM PDT           75.71           6679         0              Normal
  03/13/2026 04 AM PDT           75.71           6679         0              Normal
  03/13/2026 05 AM PDT           75.71           6679         0              Normal
  03/13/2026 06 AM PDT           75.71           6679         0              Normal
  03/13/2026 07 AM PDT           75.71           6679         0              Normal
  03/13/2026 08 AM PDT           75.71           6679         0              Normal
  03/13/2026 09 AM PDT           75.71           6679         0              Normal
  03/13/2026 10 AM PDT           75.71           6679         0              Normal
  03/13/2026 11 AM PDT           75.71           6679         0              Normal
  03/13/2026 12 PM PDT           75.71           6679         0              Normal
  03/13/2026 01 PM PDT           75.71           6679         0              Normal
  03/13/2026 02 PM PDT           75.71           6679         0              Normal
  03/13/2026 03 PM PDT           75.71           6679         0              Normal
  03/13/2026 04 PM PDT           75.71           6679         0              Normal
  03/13/2026 05 PM PDT           75.71           6679         0              Normal
  03/13/2026 06 PM PDT           75.71           6679         0              Normal
  03/13/2026 07 PM PDT           75.71           6679         0              Normal
  03/13/2026 08 PM PDT           75.71           6679         0              Normal
  03/13/2026 09 PM PDT           75.71           6679         0              Normal
  03/13/2026 10 PM PDT           75.71           6679         0              Normal
  03/13/2026 11 PM PDT           75.71           6679         0              Normal
  03/14/2026 12 AM PDT           75.71           6679         0              Normal
  03/14/2026 01 AM PDT           75.71           6679         0              Normal
  03/14/2026 02 AM PDT           75.71           6679         0              Normal
  03/14/2026 03 AM PDT           75.71           6679         0              Normal
  03/14/2026 04 AM PDT           75.71           6679         0              Normal
  03/14/2026 05 AM PDT           75.71           6679         0              Normal
  03/14/2026 06 AM PDT           75.71           6679         0              Normal
  03/14/2026 07 AM PDT           75.71           6679         0              Normal
  03/14/2026 08 AM PDT           75.71           6679         0              Normal
  03/14/2026 09 AM PDT           75.71           6679         0              Normal
  03/14/2026 10 AM PDT           75.71           6679         0              Normal
  03/14/2026 11 AM PDT           75.71           6679         0              Normal
  03/14/2026 12 PM PDT           75.71           6679         0              Normal
  03/14/2026 01 PM PDT           75.71           6679         0              Normal
  03/14/2026 02 PM PDT           75.71           6679         0              Normal
  03/14/2026 03 PM PDT           75.71           6679         0              Normal
  03/14/2026 04 PM PDT           75.71           6679         0              Normal
  03/14/2026 05 PM PDT           75.71           6679         0              Normal
  03/14/2026 06 PM PDT           75.71           6679         0              Normal
  03/14/2026 07 PM PDT           75.71           6679         0              Normal
  03/14/2026 08 PM PDT           75.71           6679         0              Normal
  03/14/2026 09 PM PDT           75.71           6679         0              Normal
  03/14/2026 10 PM PDT           75.71           6679         0              Normal
  03/14/2026 11 PM PDT           75.71           6679         0              Normal
  03/15/2026 12 AM PDT           75.71           6679         0              Normal
  03/15/2026 01 AM PDT           75.71           6679         0              Normal
  03/15/2026 02 AM PDT           75.71           6679         0              Normal
  03/15/2026 03 AM PDT           75.71           6679         0              Normal
  03/15/2026 04 AM PDT           75.71           6679         0              Normal
  03/15/2026 05 AM PDT           75.72           6700         +              Normal
  03/15/2026 06 AM PDT           75.72           6700         0              Normal
  03/15/2026 07 AM PDT           75.72           6700         0              Normal
  03/15/2026 08 AM PDT           75.72           6700         0              Normal
  03/15/2026 09 AM PDT           75.72           6700         0              Normal
  03/15/2026 10 AM PDT           75.72           6700         0              Normal
  03/15/2026 11 AM PDT           75.72           6700         0              Normal
  03/15/2026 12 PM PDT           75.72           6700         0              Normal
  03/15/2026 01 PM PDT           75.72           6700         0              Normal
  03/15/2026 02 PM PDT           75.72           6700         0              Normal
  03/15/2026 03 PM PDT           75.72           6700         0              Normal
  03/15/2026 04 PM PDT           75.72           6700         0              Normal
  03/15/2026 05 PM PDT           75.72           6700         0              Normal
  03/15/2026 06 PM PDT           75.72           6700         0              Normal
  03/15/2026 07 PM PDT           75.72           6700         0              Normal
  03/15/2026 08 PM PDT           75.72           6700         0              Normal
  03/15/2026 09 PM PDT           75.72           6700         0              Normal
  03/15/2026 10 PM PDT           75.72           6700         0              Normal
  03/15/2026 11 PM PDT           75.72           6700         0              Normal
  03/16/2026 12 AM PDT           75.72           6700         0              Normal
  03/16/2026 01 AM PDT           75.72           6700         0              Normal
  03/16/2026 02 AM PDT           75.72           6700         0              Normal
  03/16/2026 03 AM PDT           75.72           6700         0              Normal
  03/16/2026 04 AM PDT           75.72           6700         0              Normal
  03/16/2026 05 AM PDT           75.72           6700         0              Normal
  03/16/2026 06 AM PDT           75.72           6700         0              Normal
  03/16/2026 07 AM PDT           75.72           6700         0              Normal
  03/16/2026 08 AM PDT           75.72           6700         0              Normal
  03/16/2026 09 AM PDT           75.72           6700         0              Normal
  03/16/2026 10 AM PDT           75.72           6700         0              Normal
  03/16/2026 11 AM PDT           75.72           6700         0              Normal
  03/16/2026 12 PM PDT           75.72           6700         0              Normal
  03/16/2026 01 PM PDT           75.72           6700         0              Normal
  03/16/2026 02 PM PDT           75.72           6700         0              Normal
  03/16/2026 03 PM PDT           75.72           6700         0              Normal
  03/16/2026 04 PM PDT           75.72           6700         0              Normal
  03/16/2026 05 PM PDT           75.72           6700         0              Normal
  03/16/2026 06 PM PDT           75.72           6700         0              Normal
  03/16/2026 07 PM PDT           75.72           6700         0              Normal
  03/16/2026 08 PM PDT           75.72           6700         0              Normal
  03/16/2026 09 PM PDT           75.72           6700         0              Normal
  03/16/2026 10 PM PDT           75.72           6700         0              Normal
  03/16/2026 11 PM PDT           75.72           6700         0              Normal
  03/17/2026 12 AM PDT           75.72           6700         0              Normal
  03/17/2026 01 AM PDT           75.72           6700         0              Normal
  03/17/2026 02 AM PDT           75.72           6700         0              Normal
  03/17/2026 03 AM PDT           75.72           6700         0              Normal
  03/17/2026 04 AM PDT           75.72           6700         0              Normal
  03/17/2026 05 AM PDT           75.72           6700         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.