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 Feet
Location: Storey County in NevadaBulletin Group: Eastern SierraRiver Group: Eastern Sierra
Issuance Time: Jul 08 2025 at 8:01 AM PDTNext Issuance: Jul 09 2025 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:  07/08/2025 at 10:26 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  07/03/2025 at 10:00 AM PDT
# Maximum Observed Stage:                       2.97 Feet
# Maximum Observed Flow:                        367 cfs
#
# Earliest Date & Time of Maximum Forecast:     07/08/2025 at 10:00 AM PDT
# Maximum Forecast Stage:                       2.77 Feet
# Maximum Forecast Flow:                        304 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  07/03/2025 10 AM PDT            2.97            367                        Normal
  07/03/2025 11 AM PDT            2.95            360         -              Normal
  07/03/2025 12 PM PDT            2.90            344         -              Normal
  07/03/2025 01 PM PDT            2.85            328         -              Normal
  07/03/2025 02 PM PDT            2.81            316         -              Normal
  07/03/2025 03 PM PDT            2.78            307         -              Normal
  07/03/2025 04 PM PDT            2.77            304         -              Normal
  07/03/2025 05 PM PDT            2.73            292         -              Normal
  07/03/2025 06 PM PDT            2.70            283         -              Normal
  07/03/2025 07 PM PDT            2.63            264         -              Normal
  07/03/2025 08 PM PDT            2.61            258         -              Normal
  07/03/2025 09 PM PDT            2.65            269         +              Normal
  07/03/2025 10 PM PDT            2.72            289         +              Normal
  07/03/2025 11 PM PDT            2.77            304         +              Normal
  07/04/2025 12 AM PDT            2.80            313         +              Normal
  07/04/2025 01 AM PDT            2.80            313         0              Normal
  07/04/2025 02 AM PDT            2.81            316         +              Normal
  07/04/2025 03 AM PDT            2.81            316         0              Normal
  07/04/2025 04 AM PDT            2.81            316         0              Normal
  07/04/2025 05 AM PDT            2.82            319         +              Normal
  07/04/2025 06 AM PDT            2.81            316         -              Normal
  07/04/2025 07 AM PDT            2.80            313         -              Normal
  07/04/2025 08 AM PDT            2.80            313         0              Normal
  07/04/2025 09 AM PDT            2.78            307         -              Normal
  07/04/2025 10 AM PDT            2.87            334         +              Normal
  07/04/2025 11 AM PDT            2.89            341         +              Normal
  07/04/2025 12 PM PDT            2.87            334         -              Normal
  07/04/2025 01 PM PDT            2.81            316         -              Normal
  07/04/2025 02 PM PDT            2.78            307         -              Normal
  07/04/2025 03 PM PDT            2.73            292         -              Normal
  07/04/2025 04 PM PDT            2.70            283         -              Normal
  07/04/2025 05 PM PDT            2.68            278         -              Normal
  07/04/2025 06 PM PDT            2.65            269         -              Normal
  07/04/2025 07 PM PDT            2.62            261         -              Normal
  07/04/2025 08 PM PDT            2.63            264         +              Normal
  07/04/2025 09 PM PDT            2.61            258         -              Normal
  07/04/2025 10 PM PDT            2.63            264         +              Normal
  07/04/2025 11 PM PDT            2.64            267         +              Normal
  07/05/2025 12 AM PDT            2.65            269         +              Normal
  07/05/2025 01 AM PDT            2.66            272         +              Normal
  07/05/2025 02 AM PDT            2.66            272         0              Normal
  07/05/2025 03 AM PDT            2.64            267         -              Normal
  07/05/2025 04 AM PDT            2.62            261         -              Normal
  07/05/2025 05 AM PDT            2.60            256         -              Normal
  07/05/2025 06 AM PDT            2.60            256         0              Normal
  07/05/2025 07 AM PDT            2.66            272         +              Normal
  07/05/2025 08 AM PDT            2.77            304         +              Normal
  07/05/2025 09 AM PDT            2.81            316         +              Normal
  07/05/2025 10 AM PDT            2.80            313         -              Normal
  07/05/2025 11 AM PDT            2.81            316         +              Normal
  07/05/2025 12 PM PDT            2.81            316         0              Normal
  07/05/2025 01 PM PDT            2.81            316         0              Normal
  07/05/2025 02 PM PDT            2.81            316         0              Normal
  07/05/2025 03 PM PDT            2.81            316         0              Normal
  07/05/2025 04 PM PDT            2.82            319         +              Normal
  07/05/2025 05 PM PDT            2.80            313         -              Normal
  07/05/2025 06 PM PDT            2.80            313         0              Normal
  07/05/2025 07 PM PDT            2.77            304         -              Normal
  07/05/2025 08 PM PDT            2.79            310         +              Normal
  07/05/2025 09 PM PDT            2.79            310         0              Normal
  07/05/2025 10 PM PDT            2.80            313         +              Normal
  07/05/2025 11 PM PDT            2.83            322         +              Normal
  07/06/2025 12 AM PDT            2.84            325         +              Normal
  07/06/2025 01 AM PDT            2.85            328         +              Normal
  07/06/2025 02 AM PDT            2.85            328         0              Normal
  07/06/2025 03 AM PDT            2.85            328         0              Normal
  07/06/2025 04 AM PDT            2.83            322         -              Normal
  07/06/2025 05 AM PDT            2.83            322         0              Normal
  07/06/2025 06 AM PDT            2.83            322         0              Normal
  07/06/2025 07 AM PDT            2.80            313         -              Normal
  07/06/2025 08 AM PDT            2.80            313         0              Normal
  07/06/2025 09 AM PDT            2.80            313         0              Normal
  07/06/2025 10 AM PDT            2.81            316         +              Normal
  07/06/2025 11 AM PDT            2.80            313         -              Normal
  07/06/2025 12 PM PDT            2.80            313         0              Normal
  07/06/2025 01 PM PDT            2.80            313         0              Normal
  07/06/2025 02 PM PDT            2.80            313         0              Normal
  07/06/2025 03 PM PDT            2.77            304         -              Normal
  07/06/2025 04 PM PDT            2.75            298         -              Normal
  07/06/2025 05 PM PDT            2.75            298         0              Normal
  07/06/2025 06 PM PDT            2.75            298         0              Normal
  07/06/2025 07 PM PDT            2.75            298         0              Normal
  07/06/2025 08 PM PDT            2.78            307         +              Normal
  07/06/2025 09 PM PDT            2.79            310         +              Normal
  07/06/2025 10 PM PDT            2.80            313         +              Normal
  07/06/2025 11 PM PDT            2.82            319         +              Normal
  07/07/2025 12 AM PDT            2.83            322         +              Normal
  07/07/2025 01 AM PDT            2.83            322         0              Normal
  07/07/2025 02 AM PDT            2.83            322         0              Normal
  07/07/2025 03 AM PDT            2.83            322         0              Normal
  07/07/2025 04 AM PDT            2.84            325         +              Normal
  07/07/2025 05 AM PDT            2.84            325         0              Normal
  07/07/2025 06 AM PDT            2.84            325         0              Normal
  07/07/2025 07 AM PDT            2.83            322         -              Normal
  07/07/2025 08 AM PDT            2.86            331         +              Normal
  07/07/2025 09 AM PDT            2.86            331         0              Normal
  07/07/2025 10 AM PDT            2.87            334         +              Normal
  07/07/2025 11 AM PDT            2.86            331         -              Normal
  07/07/2025 12 PM PDT            2.87            334         +              Normal
  07/07/2025 01 PM PDT            2.88            338         +              Normal
  07/07/2025 02 PM PDT            2.88            338         0              Normal
  07/07/2025 03 PM PDT            2.86            331         -              Normal
  07/07/2025 04 PM PDT            2.87            334         +              Normal
  07/07/2025 05 PM PDT            2.85            328         -              Normal
  07/07/2025 06 PM PDT            2.84            325         -              Normal
  07/07/2025 07 PM PDT            2.85            328         +              Normal
  07/07/2025 08 PM PDT            2.90            344         +              Normal
  07/07/2025 09 PM PDT            2.89            341         -              Normal
  07/07/2025 10 PM PDT            2.88            338         -              Normal
  07/07/2025 11 PM PDT            2.88            338         0              Normal
  07/08/2025 12 AM PDT            2.87            334         -              Normal
  07/08/2025 01 AM PDT            2.86            331         -              Normal
  07/08/2025 02 AM PDT            2.85            328         -              Normal
  07/08/2025 03 AM PDT            2.86            331         +              Normal
  07/08/2025 04 AM PDT            2.84            325         -              Normal
  07/08/2025 05 AM PDT            2.83            322         -              Normal
  07/08/2025 06 AM PDT            2.81            316         -              Normal
  07/08/2025 07 AM PDT            2.79            310         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  07/08/2025 10 AM PDT            2.77            304                        Normal
  07/08/2025 11 AM PDT            2.73            292         -              Normal
  07/08/2025 12 PM PDT            2.68            278         -              Normal
  07/08/2025 01 PM PDT            2.63            264         -              Normal
  07/08/2025 02 PM PDT            2.56            245         -              Normal
  07/08/2025 03 PM PDT            2.52            235         -              Normal
  07/08/2025 04 PM PDT            2.50            230         -              Normal
  07/08/2025 05 PM PDT            2.49            227         -              Normal
  07/08/2025 06 PM PDT            2.49            227         0              Normal
  07/08/2025 07 PM PDT            2.49            227         0              Normal
  07/08/2025 08 PM PDT            2.49            227         0              Normal
  07/08/2025 09 PM PDT            2.49            227         0              Normal
  07/08/2025 10 PM PDT            2.49            227         0              Normal
  07/08/2025 11 PM PDT            2.49            227         0              Normal
  07/09/2025 12 AM PDT            2.50            230         +              Normal
  07/09/2025 01 AM PDT            2.51            232         +              Normal
  07/09/2025 02 AM PDT            2.51            232         0              Normal
  07/09/2025 03 AM PDT            2.52            235         +              Normal
  07/09/2025 04 AM PDT            2.52            235         0              Normal
  07/09/2025 05 AM PDT            2.52            235         0              Normal
  07/09/2025 06 AM PDT            2.52            235         0              Normal
  07/09/2025 07 AM PDT            2.52            235         0              Normal
  07/09/2025 08 AM PDT            2.52            235         0              Normal
  07/09/2025 09 AM PDT            2.52            235         0              Normal
  07/09/2025 10 AM PDT            2.52            235         0              Normal
  07/09/2025 11 AM PDT            2.52            235         0              Normal
  07/09/2025 12 PM PDT            2.52            235         0              Normal
  07/09/2025 01 PM PDT            2.52            235         0              Normal
  07/09/2025 02 PM PDT            2.52            235         0              Normal
  07/09/2025 03 PM PDT            2.52            235         0              Normal
  07/09/2025 04 PM PDT            2.52            235         0              Normal
  07/09/2025 05 PM PDT            2.51            232         -              Normal
  07/09/2025 06 PM PDT            2.51            232         0              Normal
  07/09/2025 07 PM PDT            2.51            232         0              Normal
  07/09/2025 08 PM PDT            2.51            232         0              Normal
  07/09/2025 09 PM PDT            2.51            232         0              Normal
  07/09/2025 10 PM PDT            2.51            232         0              Normal
  07/09/2025 11 PM PDT            2.51            232         0              Normal
  07/10/2025 12 AM PDT            2.51            232         0              Normal
  07/10/2025 01 AM PDT            2.51            232         0              Normal
  07/10/2025 02 AM PDT            2.51            232         0              Normal
  07/10/2025 03 AM PDT            2.51            232         0              Normal
  07/10/2025 04 AM PDT            2.51            232         0              Normal
  07/10/2025 05 AM PDT            2.50            230         -              Normal
  07/10/2025 06 AM PDT            2.50            230         0              Normal
  07/10/2025 07 AM PDT            2.50            230         0              Normal
  07/10/2025 08 AM PDT            2.50            230         0              Normal
  07/10/2025 09 AM PDT            2.50            230         0              Normal
  07/10/2025 10 AM PDT            2.50            230         0              Normal
  07/10/2025 11 AM PDT            2.50            230         0              Normal
  07/10/2025 12 PM PDT            2.50            230         0              Normal
  07/10/2025 01 PM PDT            2.50            230         0              Normal
  07/10/2025 02 PM PDT            2.50            230         0              Normal
  07/10/2025 03 PM PDT            2.50            230         0              Normal
  07/10/2025 04 PM PDT            2.50            230         0              Normal
  07/10/2025 05 PM PDT            2.50            230         0              Normal
  07/10/2025 06 PM PDT            2.50            230         0              Normal
  07/10/2025 07 PM PDT            2.49            227         -              Normal
  07/10/2025 08 PM PDT            2.49            227         0              Normal
  07/10/2025 09 PM PDT            2.49            227         0              Normal
  07/10/2025 10 PM PDT            2.49            227         0              Normal
  07/10/2025 11 PM PDT            2.49            227         0              Normal
  07/11/2025 12 AM PDT            2.49            227         0              Normal
  07/11/2025 01 AM PDT            2.49            227         0              Normal
  07/11/2025 02 AM PDT            2.49            227         0              Normal
  07/11/2025 03 AM PDT            2.49            227         0              Normal
  07/11/2025 04 AM PDT            2.49            227         0              Normal
  07/11/2025 05 AM PDT            2.49            227         0              Normal
  07/11/2025 06 AM PDT            2.49            227         0              Normal
  07/11/2025 07 AM PDT            2.49            227         0              Normal
  07/11/2025 08 AM PDT            2.49            227         0              Normal
  07/11/2025 09 AM PDT            2.49            227         0              Normal
  07/11/2025 10 AM PDT            2.49            227         0              Normal
  07/11/2025 11 AM PDT            2.48            225         -              Normal
  07/11/2025 12 PM PDT            2.48            225         0              Normal
  07/11/2025 01 PM PDT            2.48            225         0              Normal
  07/11/2025 02 PM PDT            2.48            225         0              Normal
  07/11/2025 03 PM PDT            2.48            225         0              Normal
  07/11/2025 04 PM PDT            2.48            225         0              Normal
  07/11/2025 05 PM PDT            2.48            225         0              Normal
  07/11/2025 06 PM PDT            2.48            225         0              Normal
  07/11/2025 07 PM PDT            2.48            225         0              Normal
  07/11/2025 08 PM PDT            2.48            225         0              Normal
  07/11/2025 09 PM PDT            2.48            225         0              Normal
  07/11/2025 10 PM PDT            2.48            225         0              Normal
  07/11/2025 11 PM PDT            2.48            225         0              Normal
  07/12/2025 12 AM PDT            2.47            222         -              Normal
  07/12/2025 01 AM PDT            2.47            222         0              Normal
  07/12/2025 02 AM PDT            2.47            222         0              Normal
  07/12/2025 03 AM PDT            2.47            222         0              Normal
  07/12/2025 04 AM PDT            2.47            222         0              Normal
  07/12/2025 05 AM PDT            2.47            222         0              Normal
  07/12/2025 06 AM PDT            2.47            222         0              Normal
  07/12/2025 07 AM PDT            2.47            222         0              Normal
  07/12/2025 08 AM PDT            2.47            222         0              Normal
  07/12/2025 09 AM PDT            2.47            222         0              Normal
  07/12/2025 10 AM PDT            2.47            222         0              Normal
  07/12/2025 11 AM PDT            2.47            222         0              Normal
  07/12/2025 12 PM PDT            2.47            222         0              Normal
  07/12/2025 01 PM PDT            2.47            222         0              Normal
  07/12/2025 02 PM PDT            2.47            222         0              Normal
  07/12/2025 03 PM PDT            2.47            222         0              Normal
  07/12/2025 04 PM PDT            2.46            220         -              Normal
  07/12/2025 05 PM PDT            2.46            220         0              Normal
  07/12/2025 06 PM PDT            2.46            220         0              Normal
  07/12/2025 07 PM PDT            2.46            220         0              Normal
  07/12/2025 08 PM PDT            2.46            220         0              Normal
  07/12/2025 09 PM PDT            2.46            220         0              Normal
  07/12/2025 10 PM PDT            2.46            220         0              Normal
  07/12/2025 11 PM PDT            2.46            220         0              Normal
  07/13/2025 12 AM PDT            2.46            220         0              Normal
  07/13/2025 01 AM PDT            2.46            220         0              Normal
  07/13/2025 02 AM PDT            2.46            220         0              Normal
  07/13/2025 03 AM PDT            2.46            220         0              Normal
  07/13/2025 04 AM PDT            2.46            220         0              Normal
  07/13/2025 05 AM PDT            2.46            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.