National Weather Service California-Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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TRUCKEE RIVER - BELOW DERBY DAM (TBDN2)
Latitude: 39.58º NLongitude: 119.44º WElevation: 4200 FeetForecast Type: Unofficial Location
Location: Storey County in NevadaBulletin Group: Eastern SierraRiver Group: Eastern Sierra
Issuance Time: Jun 03 2026 at 7:10 AM PDTNext Issuance: Jun 04 2026 at 9:00 AM PDT
Action/Monitor: 10.0 FeetMinor Flood: 11.0 FeetModerate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Truckee River - Below Derby Dam (TBDN2)
#
# File Generation Time:  06/03/2026 at 07:12 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  05/29/2026 at 09:00 AM PDT
# Maximum Observed Stage:                       3.69 Feet
# Maximum Observed Flow:                        652 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/03/2026 at 11:00 PM PDT
# Maximum Forecast Stage:                       3.20 Feet
# Maximum Forecast Flow:                        448 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  05/29/2026 07 AM PDT            3.68            648                        Normal
  05/29/2026 08 AM PDT            3.68            648         0              Normal
  05/29/2026 09 AM PDT            3.69            652         +              Normal
  05/29/2026 10 AM PDT            3.67            644         -              Normal
  05/29/2026 11 AM PDT            3.64            632         -              Normal
  05/29/2026 12 PM PDT            3.63            628         -              Normal
  05/29/2026 01 PM PDT            3.61            618         -              Normal
  05/29/2026 02 PM PDT            3.64            632         +              Normal
  05/29/2026 03 PM PDT            3.59            609         -              Normal
  05/29/2026 04 PM PDT            3.62            623         +              Normal
  05/29/2026 05 PM PDT            3.62            623         0              Normal
  05/29/2026 06 PM PDT            3.59            609         -              Normal
  05/29/2026 07 PM PDT            3.59            609         0              Normal
  05/29/2026 08 PM PDT            3.57            600         -              Normal
  05/29/2026 09 PM PDT            3.56            596         -              Normal
  05/29/2026 10 PM PDT            3.55            591         -              Normal
  05/29/2026 11 PM PDT            3.55            591         0              Normal
  05/30/2026 12 AM PDT            3.52            578         -              Normal
  05/30/2026 01 AM PDT            3.50            570         -              Normal
  05/30/2026 02 AM PDT            3.47            557         -              Normal
  05/30/2026 03 AM PDT            3.42            536         -              Normal
  05/30/2026 04 AM PDT            3.40            527         -              Normal
  05/30/2026 05 AM PDT            3.39            523         -              Normal
  05/30/2026 06 AM PDT            3.38            519         -              Normal
  05/30/2026 07 AM PDT            3.36            511         -              Normal
  05/30/2026 08 AM PDT            3.34            503         -              Normal
  05/30/2026 09 AM PDT            3.33            499         -              Normal
  05/30/2026 10 AM PDT            3.29            483         -              Normal
  05/30/2026 11 AM PDT            3.29            483         0              Normal
  05/30/2026 12 PM PDT            3.27            475         -              Normal
  05/30/2026 01 PM PDT            3.28            479         +              Normal
  05/30/2026 02 PM PDT            3.24            463         -              Normal
  05/30/2026 03 PM PDT            3.26            471         +              Normal
  05/30/2026 04 PM PDT            3.20            448         -              Normal
  05/30/2026 05 PM PDT            3.21            452         +              Normal
  05/30/2026 06 PM PDT            3.20            448         -              Normal
  05/30/2026 07 PM PDT            3.21            452         +              Normal
  05/30/2026 08 PM PDT            3.23            460         +              Normal
  05/30/2026 09 PM PDT            3.18            441         -              Normal
  05/30/2026 10 PM PDT            3.17            437         -              Normal
  05/30/2026 11 PM PDT            3.17            437         0              Normal
  05/31/2026 12 AM PDT            3.15            430         -              Normal
  05/31/2026 01 AM PDT            3.15            430         0              Normal
  05/31/2026 02 AM PDT            3.17            437         +              Normal
  05/31/2026 03 AM PDT            3.17            437         0              Normal
  05/31/2026 04 AM PDT            3.14            426         -              Normal
  05/31/2026 05 AM PDT            3.12            419         -              Normal
  05/31/2026 06 AM PDT            3.10            412         -              Normal
  05/31/2026 07 AM PDT            3.08            405         -              Normal
  05/31/2026 08 AM PDT            3.04            391         -              Normal
  05/31/2026 09 AM PDT            2.96            363         -              Normal
  05/31/2026 10 AM PDT            3.03            387         +              Normal
  05/31/2026 11 AM PDT            3.06            398         +              Normal
  05/31/2026 12 PM PDT            3.05            394         -              Normal
  05/31/2026 01 PM PDT            3.07            401         +              Normal
  05/31/2026 02 PM PDT            3.03            387         -              Normal
  05/31/2026 03 PM PDT            3.06            398         +              Normal
  05/31/2026 04 PM PDT            3.03            387         -              Normal
  05/31/2026 05 PM PDT            3.05            394         +              Normal
  05/31/2026 06 PM PDT            3.03            387         -              Normal
  05/31/2026 07 PM PDT            3.02            384         -              Normal
  05/31/2026 08 PM PDT            3.01            380         -              Normal
  05/31/2026 09 PM PDT            3.01            380         0              Normal
  05/31/2026 10 PM PDT            2.96            363         -              Normal
  05/31/2026 11 PM PDT            2.92            350         -              Normal
  06/01/2026 12 AM PDT            2.90            344         -              Normal
  06/01/2026 01 AM PDT            2.99            374         +              Normal
  06/01/2026 02 AM PDT            3.00            377         +              Normal
  06/01/2026 03 AM PDT            3.02            384         +              Normal
  06/01/2026 04 AM PDT            2.99            374         -              Normal
  06/01/2026 05 AM PDT            2.96            363         -              Normal
  06/01/2026 06 AM PDT            2.94            357         -              Normal
  06/01/2026 07 AM PDT            2.87            334         -              Normal
  06/01/2026 08 AM PDT            2.94            357         +              Normal
  06/01/2026 09 AM PDT            2.97            367         +              Normal
  06/01/2026 10 AM PDT            2.96            363         -              Normal
  06/01/2026 11 AM PDT            2.93            354         -              Normal
  06/01/2026 12 PM PDT            2.91            347         -              Normal
  06/01/2026 01 PM PDT            2.90            344         -              Normal
  06/01/2026 02 PM PDT            2.89            341         -              Normal
  06/01/2026 03 PM PDT            2.91            347         +              Normal
  06/01/2026 04 PM PDT            2.92            350         +              Normal
  06/01/2026 05 PM PDT            2.93            354         +              Normal
  06/01/2026 06 PM PDT            2.90            344         -              Normal
  06/01/2026 07 PM PDT            2.88            338         -              Normal
  06/01/2026 08 PM PDT            2.85            328         -              Normal
  06/01/2026 09 PM PDT            2.83            322         -              Normal
  06/01/2026 10 PM PDT            2.86            331         +              Normal
  06/01/2026 11 PM PDT            2.86            331         0              Normal
  06/02/2026 12 AM PDT            2.85            328         -              Normal
  06/02/2026 01 AM PDT            2.85            328         0              Normal
  06/02/2026 02 AM PDT            2.86            331         +              Normal
  06/02/2026 03 AM PDT            2.85            328         -              Normal
  06/02/2026 04 AM PDT            2.83            322         -              Normal
  06/02/2026 05 AM PDT            2.84            325         +              Normal
  06/02/2026 06 AM PDT            2.85            328         +              Normal
  06/02/2026 07 AM PDT            2.87            334         +              Normal
  06/02/2026 08 AM PDT            2.92            350         +              Normal
  06/02/2026 09 AM PDT            3.00            377         +              Normal
  06/02/2026 10 AM PDT            3.04            391         +              Normal
  06/02/2026 11 AM PDT            3.08            405         +              Normal
  06/02/2026 12 PM PDT            3.10            412         +              Normal
  06/02/2026 01 PM PDT            3.07            401         -              Normal
  06/02/2026 02 PM PDT            2.97            367         -              Normal
  06/02/2026 03 PM PDT            2.96            363         -              Normal
  06/02/2026 04 PM PDT            2.96            363         0              Normal
  06/02/2026 05 PM PDT            2.94            357         -              Normal
  06/02/2026 06 PM PDT            2.90            344         -              Normal
  06/02/2026 07 PM PDT            2.90            344         0              Normal
  06/02/2026 08 PM PDT            2.92            350         +              Normal
  06/02/2026 09 PM PDT            2.99            374         +              Normal
  06/02/2026 10 PM PDT            3.02            384         +              Normal
  06/02/2026 11 PM PDT            2.98            370         -              Normal
  06/03/2026 12 AM PDT            2.97            367         -              Normal
  06/03/2026 01 AM PDT            2.96            363         -              Normal
  06/03/2026 02 AM PDT            2.99            374         +              Normal
  06/03/2026 03 AM PDT            3.01            380         +              Normal
  06/03/2026 04 AM PDT            3.04            391         +              Normal
  06/03/2026 05 AM PDT            3.03            387         -              Normal
  06/03/2026 06 AM PDT            3.02            384         -              Normal
  06/03/2026 07 AM PDT            3.02            384         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/03/2026 08 AM PDT            3.01            380                        Normal
  06/03/2026 09 AM PDT            3.01            380         0              Normal
  06/03/2026 10 AM PDT            3.01            380         0              Normal
  06/03/2026 11 AM PDT            3.02            384         +              Normal
  06/03/2026 12 PM PDT            3.04            391         +              Normal
  06/03/2026 01 PM PDT            3.08            405         +              Normal
  06/03/2026 02 PM PDT            3.11            415         +              Normal
  06/03/2026 03 PM PDT            3.13            422         +              Normal
  06/03/2026 04 PM PDT            3.14            426         +              Normal
  06/03/2026 05 PM PDT            3.15            430         +              Normal
  06/03/2026 06 PM PDT            3.16            433         +              Normal
  06/03/2026 07 PM PDT            3.17            437         +              Normal
  06/03/2026 08 PM PDT            3.18            441         +              Normal
  06/03/2026 09 PM PDT            3.19            445         +              Normal
  06/03/2026 10 PM PDT            3.19            445         0              Normal
  06/03/2026 11 PM PDT            3.20            448         +              Normal
  06/04/2026 12 AM PDT            3.20            448         0              Normal
  06/04/2026 01 AM PDT            3.20            448         0              Normal
  06/04/2026 02 AM PDT            3.20            448         0              Normal
  06/04/2026 03 AM PDT            3.20            448         0              Normal
  06/04/2026 04 AM PDT            3.20            448         0              Normal
  06/04/2026 05 AM PDT            3.20            448         0              Normal
  06/04/2026 06 AM PDT            3.20            448         0              Normal
  06/04/2026 07 AM PDT            3.20            448         0              Normal
  06/04/2026 08 AM PDT            3.19            445         -              Normal
  06/04/2026 09 AM PDT            3.19            445         0              Normal
  06/04/2026 10 AM PDT            3.19            445         0              Normal
  06/04/2026 11 AM PDT            3.19            445         0              Normal
  06/04/2026 12 PM PDT            3.19            445         0              Normal
  06/04/2026 01 PM PDT            3.19            445         0              Normal
  06/04/2026 02 PM PDT            3.19            445         0              Normal
  06/04/2026 03 PM PDT            3.19            445         0              Normal
  06/04/2026 04 PM PDT            3.19            445         0              Normal
  06/04/2026 05 PM PDT            3.19            445         0              Normal
  06/04/2026 06 PM PDT            3.18            441         -              Normal
  06/04/2026 07 PM PDT            3.18            441         0              Normal
  06/04/2026 08 PM PDT            3.18            441         0              Normal
  06/04/2026 09 PM PDT            3.18            441         0              Normal
  06/04/2026 10 PM PDT            3.18            441         0              Normal
  06/04/2026 11 PM PDT            3.18            441         0              Normal
  06/05/2026 12 AM PDT            3.18            441         0              Normal
  06/05/2026 01 AM PDT            3.18            441         0              Normal
  06/05/2026 02 AM PDT            3.18            441         0              Normal
  06/05/2026 03 AM PDT            3.18            441         0              Normal
  06/05/2026 04 AM PDT            3.18            441         0              Normal
  06/05/2026 05 AM PDT            3.18            441         0              Normal
  06/05/2026 06 AM PDT            3.18            441         0              Normal
  06/05/2026 07 AM PDT            3.18            441         0              Normal
  06/05/2026 08 AM PDT            3.18            441         0              Normal
  06/05/2026 09 AM PDT            3.17            437         -              Normal
  06/05/2026 10 AM PDT            3.17            437         0              Normal
  06/05/2026 11 AM PDT            3.17            437         0              Normal
  06/05/2026 12 PM PDT            3.17            437         0              Normal
  06/05/2026 01 PM PDT            3.17            437         0              Normal
  06/05/2026 02 PM PDT            3.17            437         0              Normal
  06/05/2026 03 PM PDT            3.17            437         0              Normal
  06/05/2026 04 PM PDT            3.17            437         0              Normal
  06/05/2026 05 PM PDT            3.17            437         0              Normal
  06/05/2026 06 PM PDT            3.17            437         0              Normal
  06/05/2026 07 PM PDT            3.17            437         0              Normal
  06/05/2026 08 PM PDT            3.17            437         0              Normal
  06/05/2026 09 PM PDT            3.17            437         0              Normal
  06/05/2026 10 PM PDT            3.17            437         0              Normal
  06/05/2026 11 PM PDT            3.17            437         0              Normal
  06/06/2026 12 AM PDT            3.17            437         0              Normal
  06/06/2026 01 AM PDT            3.17            437         0              Normal
  06/06/2026 02 AM PDT            3.17            437         0              Normal
  06/06/2026 03 AM PDT            3.17            437         0              Normal
  06/06/2026 04 AM PDT            3.16            433         -              Normal
  06/06/2026 05 AM PDT            3.16            433         0              Normal
  06/06/2026 06 AM PDT            3.16            433         0              Normal
  06/06/2026 07 AM PDT            3.16            433         0              Normal
  06/06/2026 08 AM PDT            3.16            433         0              Normal
  06/06/2026 09 AM PDT            3.16            433         0              Normal
  06/06/2026 10 AM PDT            3.16            433         0              Normal
  06/06/2026 11 AM PDT            3.16            433         0              Normal
  06/06/2026 12 PM PDT            3.16            433         0              Normal
  06/06/2026 01 PM PDT            3.15            430         -              Normal
  06/06/2026 02 PM PDT            3.15            430         0              Normal
  06/06/2026 03 PM PDT            3.15            430         0              Normal
  06/06/2026 04 PM PDT            3.15            430         0              Normal
  06/06/2026 05 PM PDT            3.15            430         0              Normal
  06/06/2026 06 PM PDT            3.15            430         0              Normal
  06/06/2026 07 PM PDT            3.15            430         0              Normal
  06/06/2026 08 PM PDT            3.15            430         0              Normal
  06/06/2026 09 PM PDT            3.15            430         0              Normal
  06/06/2026 10 PM PDT            3.15            430         0              Normal
  06/06/2026 11 PM PDT            3.15            430         0              Normal
  06/07/2026 12 AM PDT            3.15            430         0              Normal
  06/07/2026 01 AM PDT            3.15            430         0              Normal
  06/07/2026 02 AM PDT            3.15            430         0              Normal
  06/07/2026 03 AM PDT            3.15            430         0              Normal
  06/07/2026 04 AM PDT            3.15            430         0              Normal
  06/07/2026 05 AM PDT            3.15            430         0              Normal
  06/07/2026 06 AM PDT            3.15            430         0              Normal
  06/07/2026 07 AM PDT            3.15            430         0              Normal
  06/07/2026 08 AM PDT            3.14            426         -              Normal
  06/07/2026 09 AM PDT            3.14            426         0              Normal
  06/07/2026 10 AM PDT            3.14            426         0              Normal
  06/07/2026 11 AM PDT            3.14            426         0              Normal
  06/07/2026 12 PM PDT            3.14            426         0              Normal
  06/07/2026 01 PM PDT            3.14            426         0              Normal
  06/07/2026 02 PM PDT            3.14            426         0              Normal
  06/07/2026 03 PM PDT            3.14            426         0              Normal
  06/07/2026 04 PM PDT            3.14            426         0              Normal
  06/07/2026 05 PM PDT            3.14            426         0              Normal
  06/07/2026 06 PM PDT            3.14            426         0              Normal
  06/07/2026 07 PM PDT            3.14            426         0              Normal
  06/07/2026 08 PM PDT            3.14            426         0              Normal
  06/07/2026 09 PM PDT            3.14            426         0              Normal
  06/07/2026 10 PM PDT            3.14            426         0              Normal
  06/07/2026 11 PM PDT            3.14            426         0              Normal
  06/08/2026 12 AM PDT            3.14            426         0              Normal
  06/08/2026 01 AM PDT            3.14            426         0              Normal
  06/08/2026 02 AM PDT            3.14            426         0              Normal
  06/08/2026 03 AM PDT            3.13            422         -              Normal
  06/08/2026 04 AM PDT            3.13            422         0              Normal
  06/08/2026 05 AM PDT            3.13            422         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.