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: Jul 04 2026 at 7:49 AM PDTNext Issuance: Jul 05 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:  07/04/2026 at 07:50 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/29/2026 at 10:00 AM PDT
# Maximum Observed Stage:                       2.73 Feet
# Maximum Observed Flow:                        280 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/04/2026 at 08:00 AM PDT
# Maximum Forecast Stage:                       2.54 Feet
# Maximum Forecast Flow:                        230 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/29/2026 07 AM PDT            2.71            275                        Normal
  06/29/2026 08 AM PDT            2.72            278         +              Normal
  06/29/2026 09 AM PDT            2.73            280         +              Normal
  06/29/2026 10 AM PDT            2.73            280         0              Normal
  06/29/2026 11 AM PDT            2.71            275         -              Normal
  06/29/2026 12 PM PDT            2.71            275         0              Normal
  06/29/2026 01 PM PDT            2.69            269         -              Normal
  06/29/2026 02 PM PDT            2.66            261         -              Normal
  06/29/2026 03 PM PDT            2.66            261         0              Normal
  06/29/2026 04 PM PDT            2.63            253         -              Normal
  06/29/2026 05 PM PDT            2.61            248         -              Normal
  06/29/2026 06 PM PDT            2.60            245         -              Normal
  06/29/2026 07 PM PDT            2.59            242         -              Normal
  06/29/2026 08 PM PDT            2.64            256         +              Normal
  06/29/2026 09 PM PDT            2.63            253         -              Normal
  06/29/2026 10 PM PDT            2.59            242         -              Normal
  06/29/2026 11 PM PDT            2.60            245         +              Normal
  06/30/2026 12 AM PDT            2.62            250         +              Normal
  06/30/2026 01 AM PDT            2.64            256         +              Normal
  06/30/2026 02 AM PDT            2.64            256         0              Normal
  06/30/2026 03 AM PDT            2.63            253         -              Normal
  06/30/2026 04 AM PDT            2.63            253         0              Normal
  06/30/2026 05 AM PDT            2.63            253         0              Normal
  06/30/2026 06 AM PDT            2.65            258         +              Normal
  06/30/2026 07 AM PDT            2.64            256         -              Normal
  06/30/2026 08 AM PDT            2.64            256         0              Normal
  06/30/2026 09 AM PDT            2.66            261         +              Normal
  06/30/2026 10 AM PDT            2.64            256         -              Normal
  06/30/2026 11 AM PDT            2.65            258         +              Normal
  06/30/2026 12 PM PDT            2.67            264         +              Normal
  06/30/2026 01 PM PDT            2.69            269         +              Normal
  06/30/2026 02 PM PDT            2.65            258         -              Normal
  06/30/2026 03 PM PDT            2.64            256         -              Normal
  06/30/2026 04 PM PDT            2.64            256         0              Normal
  06/30/2026 05 PM PDT            2.64            256         0              Normal
  06/30/2026 06 PM PDT            2.60            245         -              Normal
  06/30/2026 07 PM PDT            2.59            242         -              Normal
  06/30/2026 08 PM PDT            2.57            237         -              Normal
  06/30/2026 09 PM PDT            2.57            237         0              Normal
  06/30/2026 10 PM PDT            2.55            232         -              Normal
  06/30/2026 11 PM PDT            2.55            232         0              Normal
  07/01/2026 12 AM PDT            2.55            232         0              Normal
  07/01/2026 01 AM PDT            2.57            237         +              Normal
  07/01/2026 02 AM PDT            2.53            227         -              Normal
  07/01/2026 03 AM PDT            2.52            225         -              Normal
  07/01/2026 04 AM PDT            2.52            225         0              Normal
  07/01/2026 05 AM PDT            2.50            220         -              Normal
  07/01/2026 06 AM PDT            2.52            225         +              Normal
  07/01/2026 07 AM PDT            2.51            222         -              Normal
  07/01/2026 08 AM PDT            2.50            220         -              Normal
  07/01/2026 09 AM PDT            2.48            215         -              Normal
  07/01/2026 10 AM PDT            2.50            220         +              Normal
  07/01/2026 11 AM PDT            2.47            212         -              Normal
  07/01/2026 12 PM PDT            2.50            220         +              Normal
  07/01/2026 01 PM PDT            2.51            222         +              Normal
  07/01/2026 02 PM PDT            2.49            217         -              Normal
  07/01/2026 03 PM PDT            2.48            215         -              Normal
  07/01/2026 04 PM PDT            2.47            212         -              Normal
  07/01/2026 05 PM PDT            2.47            212         0              Normal
  07/01/2026 06 PM PDT            2.45            208         -              Normal
  07/01/2026 07 PM PDT            2.48            215         +              Normal
  07/01/2026 08 PM PDT            2.43            203         -              Normal
  07/01/2026 09 PM PDT            2.43            203         0              Normal
  07/01/2026 10 PM PDT            2.38            191         -              Normal
  07/01/2026 11 PM PDT            2.34            182         -              Normal
  07/02/2026 12 AM PDT            2.35            184         +              Normal
  07/02/2026 01 AM PDT            2.39            194         +              Normal
  07/02/2026 02 AM PDT            2.40            196         +              Normal
  07/02/2026 03 AM PDT            2.40            196         0              Normal
  07/02/2026 04 AM PDT            2.44            205         +              Normal
  07/02/2026 05 AM PDT            2.43            203         -              Normal
  07/02/2026 06 AM PDT            2.39            194         -              Normal
  07/02/2026 07 AM PDT            2.38            191         -              Normal
  07/02/2026 08 AM PDT            2.36            187         -              Normal
  07/02/2026 09 AM PDT            2.36            187         0              Normal
  07/02/2026 10 AM PDT            2.34            182         -              Normal
  07/02/2026 11 AM PDT            2.32            177         -              Normal
  07/02/2026 12 PM PDT            2.33            180         +              Normal
  07/02/2026 01 PM PDT            2.32            177         -              Normal
  07/02/2026 02 PM PDT            2.33            180         +              Normal
  07/02/2026 03 PM PDT            2.48            215         +              Normal
  07/02/2026 04 PM PDT            2.50            220         +              Normal
  07/02/2026 05 PM PDT            2.52            225         +              Normal
  07/02/2026 06 PM PDT            2.50            220         -              Normal
  07/02/2026 07 PM PDT            2.48            215         -              Normal
  07/02/2026 08 PM PDT            2.50            220         +              Normal
  07/02/2026 09 PM PDT            2.51            222         +              Normal
  07/02/2026 10 PM PDT            2.50            220         -              Normal
  07/02/2026 11 PM PDT            2.49            217         -              Normal
  07/03/2026 12 AM PDT            2.51            222         +              Normal
  07/03/2026 01 AM PDT            2.53            227         +              Normal
  07/03/2026 02 AM PDT            2.54            230         +              Normal
  07/03/2026 03 AM PDT            2.55            232         +              Normal
  07/03/2026 04 AM PDT            2.55            232         0              Normal
  07/03/2026 05 AM PDT            2.54            230         -              Normal
  07/03/2026 06 AM PDT            2.53            227         -              Normal
  07/03/2026 07 AM PDT            2.53            227         0              Normal
  07/03/2026 08 AM PDT            2.52            225         -              Normal
  07/03/2026 09 AM PDT            2.51            222         -              Normal
  07/03/2026 10 AM PDT            2.52            225         +              Normal
  07/03/2026 11 AM PDT            2.51            222         -              Normal
  07/03/2026 12 PM PDT            2.51            222         0              Normal
  07/03/2026 01 PM PDT            2.50            220         -              Normal
  07/03/2026 02 PM PDT            2.51            222         +              Normal
  07/03/2026 03 PM PDT            2.50            220         -              Normal
  07/03/2026 04 PM PDT            2.51            222         +              Normal
  07/03/2026 05 PM PDT            2.52            225         +              Normal
  07/03/2026 06 PM PDT            2.49            217         -              Normal
  07/03/2026 07 PM PDT            2.49            217         0              Normal
  07/03/2026 08 PM PDT            2.48            215         -              Normal
  07/03/2026 09 PM PDT            2.52            225         +              Normal
  07/03/2026 10 PM PDT            2.45            208         -              Normal
  07/03/2026 11 PM PDT            2.50            220         +              Normal
  07/04/2026 12 AM PDT            2.48            215         -              Normal
  07/04/2026 01 AM PDT            2.51            222         +              Normal
  07/04/2026 02 AM PDT            2.51            222         0              Normal
  07/04/2026 03 AM PDT            2.50            220         -              Normal
  07/04/2026 04 AM PDT            2.52            225         +              Normal
  07/04/2026 05 AM PDT            2.51            222         -              Normal
  07/04/2026 06 AM PDT            2.55            232         +              Normal
  07/04/2026 07 AM PDT            2.55            232         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/04/2026 08 AM PDT            2.54            230                        Normal
  07/04/2026 09 AM PDT            2.53            227         -              Normal
  07/04/2026 10 AM PDT            2.53            227         0              Normal
  07/04/2026 11 AM PDT            2.53            227         0              Normal
  07/04/2026 12 PM PDT            2.53            227         0              Normal
  07/04/2026 01 PM PDT            2.53            227         0              Normal
  07/04/2026 02 PM PDT            2.53            227         0              Normal
  07/04/2026 03 PM PDT            2.52            225         -              Normal
  07/04/2026 04 PM PDT            2.52            225         0              Normal
  07/04/2026 05 PM PDT            2.52            225         0              Normal
  07/04/2026 06 PM PDT            2.51            222         -              Normal
  07/04/2026 07 PM PDT            2.50            220         -              Normal
  07/04/2026 08 PM PDT            2.50            220         0              Normal
  07/04/2026 09 PM PDT            2.50            220         0              Normal
  07/04/2026 10 PM PDT            2.50            220         0              Normal
  07/04/2026 11 PM PDT            2.51            222         +              Normal
  07/05/2026 12 AM PDT            2.52            225         +              Normal
  07/05/2026 01 AM PDT            2.52            225         0              Normal
  07/05/2026 02 AM PDT            2.52            225         0              Normal
  07/05/2026 03 AM PDT            2.52            225         0              Normal
  07/05/2026 04 AM PDT            2.52            225         0              Normal
  07/05/2026 05 AM PDT            2.52            225         0              Normal
  07/05/2026 06 AM PDT            2.52            225         0              Normal
  07/05/2026 07 AM PDT            2.53            227         +              Normal
  07/05/2026 08 AM PDT            2.53            227         0              Normal
  07/05/2026 09 AM PDT            2.53            227         0              Normal
  07/05/2026 10 AM PDT            2.53            227         0              Normal
  07/05/2026 11 AM PDT            2.53            227         0              Normal
  07/05/2026 12 PM PDT            2.53            227         0              Normal
  07/05/2026 01 PM PDT            2.53            227         0              Normal
  07/05/2026 02 PM PDT            2.53            227         0              Normal
  07/05/2026 03 PM PDT            2.53            227         0              Normal
  07/05/2026 04 PM PDT            2.53            227         0              Normal
  07/05/2026 05 PM PDT            2.53            227         0              Normal
  07/05/2026 06 PM PDT            2.53            227         0              Normal
  07/05/2026 07 PM PDT            2.53            227         0              Normal
  07/05/2026 08 PM PDT            2.53            227         0              Normal
  07/05/2026 09 PM PDT            2.53            227         0              Normal
  07/05/2026 10 PM PDT            2.53            227         0              Normal
  07/05/2026 11 PM PDT            2.53            227         0              Normal
  07/06/2026 12 AM PDT            2.53            227         0              Normal
  07/06/2026 01 AM PDT            2.53            227         0              Normal
  07/06/2026 02 AM PDT            2.53            227         0              Normal
  07/06/2026 03 AM PDT            2.53            227         0              Normal
  07/06/2026 04 AM PDT            2.53            227         0              Normal
  07/06/2026 05 AM PDT            2.53            227         0              Normal
  07/06/2026 06 AM PDT            2.53            227         0              Normal
  07/06/2026 07 AM PDT            2.53            227         0              Normal
  07/06/2026 08 AM PDT            2.53            227         0              Normal
  07/06/2026 09 AM PDT            2.53            227         0              Normal
  07/06/2026 10 AM PDT            2.53            227         0              Normal
  07/06/2026 11 AM PDT            2.52            225         -              Normal
  07/06/2026 12 PM PDT            2.52            225         0              Normal
  07/06/2026 01 PM PDT            2.52            225         0              Normal
  07/06/2026 02 PM PDT            2.52            225         0              Normal
  07/06/2026 03 PM PDT            2.52            225         0              Normal
  07/06/2026 04 PM PDT            2.52            225         0              Normal
  07/06/2026 05 PM PDT            2.52            225         0              Normal
  07/06/2026 06 PM PDT            2.52            225         0              Normal
  07/06/2026 07 PM PDT            2.52            225         0              Normal
  07/06/2026 08 PM PDT            2.52            225         0              Normal
  07/06/2026 09 PM PDT            2.52            225         0              Normal
  07/06/2026 10 PM PDT            2.52            225         0              Normal
  07/06/2026 11 PM PDT            2.52            225         0              Normal
  07/07/2026 12 AM PDT            2.52            225         0              Normal
  07/07/2026 01 AM PDT            2.52            225         0              Normal
  07/07/2026 02 AM PDT            2.52            225         0              Normal
  07/07/2026 03 AM PDT            2.52            225         0              Normal
  07/07/2026 04 AM PDT            2.52            225         0              Normal
  07/07/2026 05 AM PDT            2.52            225         0              Normal
  07/07/2026 06 AM PDT            2.52            225         0              Normal
  07/07/2026 07 AM PDT            2.52            225         0              Normal
  07/07/2026 08 AM PDT            2.52            225         0              Normal
  07/07/2026 09 AM PDT            2.52            225         0              Normal
  07/07/2026 10 AM PDT            2.52            225         0              Normal
  07/07/2026 11 AM PDT            2.52            225         0              Normal
  07/07/2026 12 PM PDT            2.52            225         0              Normal
  07/07/2026 01 PM PDT            2.52            225         0              Normal
  07/07/2026 02 PM PDT            2.51            222         -              Normal
  07/07/2026 03 PM PDT            2.51            222         0              Normal
  07/07/2026 04 PM PDT            2.51            222         0              Normal
  07/07/2026 05 PM PDT            2.51            222         0              Normal
  07/07/2026 06 PM PDT            2.51            222         0              Normal
  07/07/2026 07 PM PDT            2.51            222         0              Normal
  07/07/2026 08 PM PDT            2.51            222         0              Normal
  07/07/2026 09 PM PDT            2.51            222         0              Normal
  07/07/2026 10 PM PDT            2.51            222         0              Normal
  07/07/2026 11 PM PDT            2.51            222         0              Normal
  07/08/2026 12 AM PDT            2.51            222         0              Normal
  07/08/2026 01 AM PDT            2.51            222         0              Normal
  07/08/2026 02 AM PDT            2.51            222         0              Normal
  07/08/2026 03 AM PDT            2.51            222         0              Normal
  07/08/2026 04 AM PDT            2.51            222         0              Normal
  07/08/2026 05 AM PDT            2.51            222         0              Normal
  07/08/2026 06 AM PDT            2.51            222         0              Normal
  07/08/2026 07 AM PDT            2.51            222         0              Normal
  07/08/2026 08 AM PDT            2.51            222         0              Normal
  07/08/2026 09 AM PDT            2.51            222         0              Normal
  07/08/2026 10 AM PDT            2.51            222         0              Normal
  07/08/2026 11 AM PDT            2.50            220         -              Normal
  07/08/2026 12 PM PDT            2.50            220         0              Normal
  07/08/2026 01 PM PDT            2.50            220         0              Normal
  07/08/2026 02 PM PDT            2.50            220         0              Normal
  07/08/2026 03 PM PDT            2.50            220         0              Normal
  07/08/2026 04 PM PDT            2.50            220         0              Normal
  07/08/2026 05 PM PDT            2.50            220         0              Normal
  07/08/2026 06 PM PDT            2.50            220         0              Normal
  07/08/2026 07 PM PDT            2.50            220         0              Normal
  07/08/2026 08 PM PDT            2.50            220         0              Normal
  07/08/2026 09 PM PDT            2.50            220         0              Normal
  07/08/2026 10 PM PDT            2.50            220         0              Normal
  07/08/2026 11 PM PDT            2.50            220         0              Normal
  07/09/2026 12 AM PDT            2.50            220         0              Normal
  07/09/2026 01 AM PDT            2.50            220         0              Normal
  07/09/2026 02 AM PDT            2.50            220         0              Normal
  07/09/2026 03 AM PDT            2.50            220         0              Normal
  07/09/2026 04 AM PDT            2.50            220         0              Normal
  07/09/2026 05 AM PDT            2.50            220         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.