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 05 2026 at 7:25 AM PSTNext Issuance: Mar 05 2026 at 3:00 PM PST
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:  03/05/2026 at 07:25 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/01/2026 at 01:00 PM PST
# Maximum Observed Stage:                       77.14 Feet
# Maximum Observed Flow:                        9878 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/05/2026 at 08:00 AM PST
# Maximum Forecast Stage:                       77.06 Feet
# Maximum Forecast Flow:                        9684 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/28/2026 07 AM PST           77.12           9829                        Normal
  02/28/2026 08 AM PST           77.14           9878         +              Normal
  02/28/2026 09 AM PST           77.13           9853         -              Normal
  02/28/2026 10 AM PST           77.11           9805         -              Normal
  02/28/2026 11 AM PST           77.11           9805         0              Normal
  02/28/2026 12 PM PST           77.12           9829         +              Normal
  02/28/2026 01 PM PST           77.13           9853         +              Normal
  02/28/2026 02 PM PST           77.12           9829         -              Normal
  02/28/2026 03 PM PST           77.14           9878         +              Normal
  02/28/2026 04 PM PST           77.12           9829         -              Normal
  02/28/2026 05 PM PST           77.11           9805         -              Normal
  02/28/2026 06 PM PST           77.11           9805         0              Normal
  02/28/2026 07 PM PST           77.11           9805         0              Normal
  02/28/2026 08 PM PST           77.11           9805         0              Normal
  02/28/2026 09 PM PST           77.12           9829         +              Normal
  02/28/2026 10 PM PST           77.12           9829         0              Normal
  02/28/2026 11 PM PST           77.13           9853         +              Normal
  03/01/2026 12 AM PST           77.10           9781         -              Normal
  03/01/2026 01 AM PST           77.14           9878         +              Normal
  03/01/2026 02 AM PST           77.11           9805         -              Normal
  03/01/2026 03 AM PST           77.11           9805         0              Normal
  03/01/2026 04 AM PST           77.11           9805         0              Normal
  03/01/2026 05 AM PST           77.12           9829         +              Normal
  03/01/2026 06 AM PST           77.12           9829         0              Normal
  03/01/2026 07 AM PST           77.11           9805         -              Normal
  03/01/2026 08 AM PST           77.13           9853         +              Normal
  03/01/2026 09 AM PST           77.13           9853         0              Normal
  03/01/2026 10 AM PST           77.14           9878         +              Normal
  03/01/2026 11 AM PST           77.13           9853         -              Normal
  03/01/2026 12 PM PST           77.13           9853         0              Normal
  03/01/2026 01 PM PST           77.14           9878         +              Normal
  03/01/2026 02 PM PST           77.11           9805         -              Normal
  03/01/2026 03 PM PST           77.13           9853         +              Normal
  03/01/2026 04 PM PST           77.11           9805         -              Normal
  03/01/2026 05 PM PST           77.11           9805         0              Normal
  03/01/2026 06 PM PST           77.13           9853         +              Normal
  03/01/2026 07 PM PST           77.11           9805         -              Normal
  03/01/2026 08 PM PST           77.12           9829         +              Normal
  03/01/2026 09 PM PST           77.12           9829         0              Normal
  03/01/2026 10 PM PST           77.12           9829         0              Normal
  03/01/2026 11 PM PST           77.09           9757         -              Normal
  03/02/2026 12 AM PST           77.10           9781         +              Normal
  03/02/2026 01 AM PST           77.12           9829         +              Normal
  03/02/2026 02 AM PST           77.09           9757         -              Normal
  03/02/2026 03 AM PST           77.10           9781         +              Normal
  03/02/2026 04 AM PST           77.12           9829         +              Normal
  03/02/2026 05 AM PST           77.11           9805         -              Normal
  03/02/2026 06 AM PST           77.12           9829         +              Normal
  03/02/2026 07 AM PST           77.12           9829         0              Normal
  03/02/2026 08 AM PST           77.13           9853         +              Normal
  03/02/2026 09 AM PST           77.10           9781         -              Normal
  03/02/2026 10 AM PST           77.11           9805         +              Normal
  03/02/2026 11 AM PST           77.10           9781         -              Normal
  03/02/2026 12 PM PST           77.11           9805         +              Normal
  03/02/2026 01 PM PST           77.12           9829         +              Normal
  03/02/2026 02 PM PST           77.09           9757         -              Normal
  03/02/2026 03 PM PST           77.09           9757         0              Normal
  03/02/2026 04 PM PST           77.11           9805         +              Normal
  03/02/2026 05 PM PST           77.11           9805         0              Normal
  03/02/2026 06 PM PST           77.09           9757         -              Normal
  03/02/2026 07 PM PST           77.09           9757         0              Normal
  03/02/2026 08 PM PST           77.09           9757         0              Normal
  03/02/2026 09 PM PST           77.09           9757         0              Normal
  03/02/2026 10 PM PST           77.11           9805         +              Normal
  03/02/2026 11 PM PST           77.10           9781         -              Normal
  03/03/2026 12 AM PST           77.09           9757         -              Normal
  03/03/2026 01 AM PST           77.11           9805         +              Normal
  03/03/2026 02 AM PST           77.09           9757         -              Normal
  03/03/2026 03 AM PST           77.10           9781         +              Normal
  03/03/2026 04 AM PST           77.12           9829         +              Normal
  03/03/2026 05 AM PST           77.10           9781         -              Normal
  03/03/2026 06 AM PST           77.12           9829         +              Normal
  03/03/2026 07 AM PST           77.11           9805         -              Normal
  03/03/2026 08 AM PST           77.11           9805         0              Normal
  03/03/2026 09 AM PST           77.12           9829         +              Normal
  03/03/2026 10 AM PST           77.11           9805         -              Normal
  03/03/2026 11 AM PST           77.09           9757         -              Normal
  03/03/2026 12 PM PST           77.09           9757         0              Normal
  03/03/2026 01 PM PST           77.10           9781         +              Normal
  03/03/2026 02 PM PST           77.09           9757         -              Normal
  03/03/2026 03 PM PST           77.13           9853         +              Normal
  03/03/2026 04 PM PST           77.10           9781         -              Normal
  03/03/2026 05 PM PST           77.09           9757         -              Normal
  03/03/2026 06 PM PST           77.09           9757         0              Normal
  03/03/2026 07 PM PST           77.07           9708         -              Normal
  03/03/2026 08 PM PST           77.10           9781         +              Normal
  03/03/2026 09 PM PST           77.09           9757         -              Normal
  03/03/2026 10 PM PST           77.10           9781         +              Normal
  03/03/2026 11 PM PST           77.08           9732         -              Normal
  03/04/2026 12 AM PST           77.10           9781         +              Normal
  03/04/2026 01 AM PST           77.10           9781         0              Normal
  03/04/2026 02 AM PST           77.08           9732         -              Normal
  03/04/2026 03 AM PST           77.08           9732         0              Normal
  03/04/2026 04 AM PST           77.11           9805         +              Normal
  03/04/2026 05 AM PST           77.07           9708         -              Normal
  03/04/2026 06 AM PST           77.08           9732         +              Normal
  03/04/2026 07 AM PST           77.06           9684         -              Normal
  03/04/2026 08 AM PST           77.06           9684         0              Normal
  03/04/2026 09 AM PST           77.09           9757         +              Normal
  03/04/2026 10 AM PST           77.08           9732         -              Normal
  03/04/2026 11 AM PST           77.07           9708         -              Normal
  03/04/2026 12 PM PST           77.08           9732         +              Normal
  03/04/2026 01 PM PST           77.06           9684         -              Normal
  03/04/2026 02 PM PST           77.07           9708         +              Normal
  03/04/2026 03 PM PST           77.07           9708         0              Normal
  03/04/2026 04 PM PST           77.07           9708         0              Normal
  03/04/2026 05 PM PST           77.08           9732         +              Normal
  03/04/2026 06 PM PST           77.09           9757         +              Normal
  03/04/2026 07 PM PST           77.08           9732         -              Normal
  03/04/2026 08 PM PST           77.07           9708         -              Normal
  03/04/2026 09 PM PST           77.05           9660         -              Normal
  03/04/2026 10 PM PST           77.04           9636         -              Normal
  03/04/2026 11 PM PST           77.08           9732         +              Normal
  03/05/2026 12 AM PST           77.04           9636         -              Normal
  03/05/2026 01 AM PST           77.06           9684         +              Normal
  03/05/2026 02 AM PST           77.06           9684         0              Normal
  03/05/2026 03 AM PST           77.05           9660         -              Normal
  03/05/2026 04 AM PST           77.06           9684         +              Normal
  03/05/2026 05 AM PST           77.06           9684         0              Normal
  03/05/2026 06 AM PST           77.06           9684         0              Normal
  03/05/2026 07 AM PST           77.06           9684         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/05/2026 08 AM PST           77.06           9684                        Normal
  03/05/2026 09 AM PST           77.06           9684         0              Normal
  03/05/2026 10 AM PST           77.06           9684         0              Normal
  03/05/2026 11 AM PST           77.06           9684         0              Normal
  03/05/2026 12 PM PST           77.06           9684         0              Normal
  03/05/2026 01 PM PST           77.06           9684         0              Normal
  03/05/2026 02 PM PST           77.06           9684         0              Normal
  03/05/2026 03 PM PST           77.06           9684         0              Normal
  03/05/2026 04 PM PST           77.06           9684         0              Normal
  03/05/2026 05 PM PST           77.06           9684         0              Normal
  03/05/2026 06 PM PST           77.06           9684         0              Normal
  03/05/2026 07 PM PST           77.06           9684         0              Normal
  03/05/2026 08 PM PST           77.06           9684         0              Normal
  03/05/2026 09 PM PST           77.06           9684         0              Normal
  03/05/2026 10 PM PST           77.06           9684         0              Normal
  03/05/2026 11 PM PST           77.06           9684         0              Normal
  03/06/2026 12 AM PST           77.06           9684         0              Normal
  03/06/2026 01 AM PST           77.06           9684         0              Normal
  03/06/2026 02 AM PST           77.06           9684         0              Normal
  03/06/2026 03 AM PST           77.06           9684         0              Normal
  03/06/2026 04 AM PST           77.06           9684         0              Normal
  03/06/2026 05 AM PST           77.06           9684         0              Normal
  03/06/2026 06 AM PST           77.06           9684         0              Normal
  03/06/2026 07 AM PST           77.06           9684         0              Normal
  03/06/2026 08 AM PST           77.06           9684         0              Normal
  03/06/2026 09 AM PST           77.06           9684         0              Normal
  03/06/2026 10 AM PST           77.06           9684         0              Normal
  03/06/2026 11 AM PST           77.06           9684         0              Normal
  03/06/2026 12 PM PST           77.06           9684         0              Normal
  03/06/2026 01 PM PST           77.06           9684         0              Normal
  03/06/2026 02 PM PST           77.06           9684         0              Normal
  03/06/2026 03 PM PST           77.06           9684         0              Normal
  03/06/2026 04 PM PST           77.06           9684         0              Normal
  03/06/2026 05 PM PST           77.06           9684         0              Normal
  03/06/2026 06 PM PST           77.06           9684         0              Normal
  03/06/2026 07 PM PST           77.06           9684         0              Normal
  03/06/2026 08 PM PST           77.06           9684         0              Normal
  03/06/2026 09 PM PST           77.06           9684         0              Normal
  03/06/2026 10 PM PST           77.06           9684         0              Normal
  03/06/2026 11 PM PST           77.06           9684         0              Normal
  03/07/2026 12 AM PST           77.06           9684         0              Normal
  03/07/2026 01 AM PST           77.06           9684         0              Normal
  03/07/2026 02 AM PST           77.06           9684         0              Normal
  03/07/2026 03 AM PST           77.06           9684         0              Normal
  03/07/2026 04 AM PST           77.06           9684         0              Normal
  03/07/2026 05 AM PST           77.06           9684         0              Normal
  03/07/2026 06 AM PST           77.06           9684         0              Normal
  03/07/2026 07 AM PST           77.06           9684         0              Normal
  03/07/2026 08 AM PST           77.06           9684         0              Normal
  03/07/2026 09 AM PST           77.06           9684         0              Normal
  03/07/2026 10 AM PST           77.06           9684         0              Normal
  03/07/2026 11 AM PST           77.06           9684         0              Normal
  03/07/2026 12 PM PST           77.06           9684         0              Normal
  03/07/2026 01 PM PST           77.06           9684         0              Normal
  03/07/2026 02 PM PST           77.06           9684         0              Normal
  03/07/2026 03 PM PST           77.06           9684         0              Normal
  03/07/2026 04 PM PST           77.06           9684         0              Normal
  03/07/2026 05 PM PST           77.06           9684         0              Normal
  03/07/2026 06 PM PST           77.06           9684         0              Normal
  03/07/2026 07 PM PST           77.06           9684         0              Normal
  03/07/2026 08 PM PST           77.06           9684         0              Normal
  03/07/2026 09 PM PST           77.06           9684         0              Normal
  03/07/2026 10 PM PST           77.06           9684         0              Normal
  03/07/2026 11 PM PST           77.06           9684         0              Normal
  03/08/2026 12 AM PST           77.06           9684         0              Normal
  03/08/2026 01 AM PST           77.06           9684         0              Normal
  03/08/2026 03 AM PDT           77.06           9684         0              Normal
  03/08/2026 04 AM PDT           77.06           9684         0              Normal
  03/08/2026 05 AM PDT           77.06           9684         0              Normal
  03/08/2026 06 AM PDT           77.06           9684         0              Normal
  03/08/2026 07 AM PDT           77.06           9684         0              Normal
  03/08/2026 08 AM PDT           77.06           9684         0              Normal
  03/08/2026 09 AM PDT           77.06           9684         0              Normal
  03/08/2026 10 AM PDT           77.06           9684         0              Normal
  03/08/2026 11 AM PDT           77.06           9684         0              Normal
  03/08/2026 12 PM PDT           77.06           9684         0              Normal
  03/08/2026 01 PM PDT           77.06           9684         0              Normal
  03/08/2026 02 PM PDT           77.06           9684         0              Normal
  03/08/2026 03 PM PDT           77.06           9684         0              Normal
  03/08/2026 04 PM PDT           77.06           9684         0              Normal
  03/08/2026 05 PM PDT           77.06           9684         0              Normal
  03/08/2026 06 PM PDT           77.06           9684         0              Normal
  03/08/2026 07 PM PDT           77.06           9684         0              Normal
  03/08/2026 08 PM PDT           77.06           9684         0              Normal
  03/08/2026 09 PM PDT           77.06           9684         0              Normal
  03/08/2026 10 PM PDT           77.06           9684         0              Normal
  03/08/2026 11 PM PDT           77.06           9684         0              Normal
  03/09/2026 12 AM PDT           77.06           9684         0              Normal
  03/09/2026 01 AM PDT           77.06           9684         0              Normal
  03/09/2026 02 AM PDT           77.06           9684         0              Normal
  03/09/2026 03 AM PDT           77.06           9684         0              Normal
  03/09/2026 04 AM PDT           77.06           9684         0              Normal
  03/09/2026 05 AM PDT           77.06           9684         0              Normal
  03/09/2026 06 AM PDT           77.06           9684         0              Normal
  03/09/2026 07 AM PDT           77.06           9684         0              Normal
  03/09/2026 08 AM PDT           77.06           9684         0              Normal
  03/09/2026 09 AM PDT           77.06           9684         0              Normal
  03/09/2026 10 AM PDT           77.06           9684         0              Normal
  03/09/2026 11 AM PDT           77.06           9684         0              Normal
  03/09/2026 12 PM PDT           77.06           9684         0              Normal
  03/09/2026 01 PM PDT           77.06           9684         0              Normal
  03/09/2026 02 PM PDT           77.06           9684         0              Normal
  03/09/2026 03 PM PDT           77.06           9684         0              Normal
  03/09/2026 04 PM PDT           77.06           9684         0              Normal
  03/09/2026 05 PM PDT           77.06           9684         0              Normal
  03/09/2026 06 PM PDT           77.06           9684         0              Normal
  03/09/2026 07 PM PDT           77.06           9684         0              Normal
  03/09/2026 08 PM PDT           77.06           9684         0              Normal
  03/09/2026 09 PM PDT           77.06           9684         0              Normal
  03/09/2026 10 PM PDT           77.06           9684         0              Normal
  03/09/2026 11 PM PDT           77.06           9684         0              Normal
  03/10/2026 12 AM PDT           77.06           9684         0              Normal
  03/10/2026 01 AM PDT           77.06           9684         0              Normal
  03/10/2026 02 AM PDT           77.06           9684         0              Normal
  03/10/2026 03 AM PDT           77.06           9684         0              Normal
  03/10/2026 04 AM PDT           77.06           9684         0              Normal
  03/10/2026 05 AM PDT           77.06           9684         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.