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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.
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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: Jun 20 2025 at 11:04 AM PDTNext Issuance: Jun 21 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:  06/20/2025 at 11:07 AM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  06/16/2025 at 07:00 AM PDT
# Maximum Observed Stage:                       3.47 Feet
# Maximum Observed Flow:                        557 cfs
#
# Earliest Date & Time of Maximum Forecast:     06/20/2025 at 07:00 PM PDT
# Maximum Forecast Stage:                       3.43 Feet
# Maximum Forecast Flow:                        540 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  06/15/2025 11 AM PDT            3.38            519                        Normal
  06/15/2025 12 PM PDT            3.39            523         +              Normal
  06/15/2025 01 PM PDT            3.40            527         +              Normal
  06/15/2025 02 PM PDT            3.39            523         -              Normal
  06/15/2025 03 PM PDT            3.42            536         +              Normal
  06/15/2025 04 PM PDT            3.38            519         -              Normal
  06/15/2025 05 PM PDT            3.41            531         +              Normal
  06/15/2025 06 PM PDT            3.42            536         +              Normal
  06/15/2025 07 PM PDT            3.43            540         +              Normal
  06/15/2025 08 PM PDT            3.43            540         0              Normal
  06/15/2025 09 PM PDT            3.42            536         -              Normal
  06/15/2025 10 PM PDT            3.42            536         0              Normal
  06/15/2025 11 PM PDT            3.44            544         +              Normal
  06/16/2025 12 AM PDT            3.44            544         0              Normal
  06/16/2025 01 AM PDT            3.45            548         +              Normal
  06/16/2025 02 AM PDT            3.43            540         -              Normal
  06/16/2025 03 AM PDT            3.43            540         0              Normal
  06/16/2025 04 AM PDT            3.44            544         +              Normal
  06/16/2025 05 AM PDT            3.44            544         0              Normal
  06/16/2025 06 AM PDT            3.46            552         +              Normal
  06/16/2025 07 AM PDT            3.47            557         +              Normal
  06/16/2025 08 AM PDT            3.46            552         -              Normal
  06/16/2025 09 AM PDT            3.44            544         -              Normal
  06/16/2025 10 AM PDT            3.43            540         -              Normal
  06/16/2025 11 AM PDT            3.42            536         -              Normal
  06/16/2025 12 PM PDT            3.42            536         0              Normal
  06/16/2025 01 PM PDT            3.42            536         0              Normal
  06/16/2025 02 PM PDT            3.41            531         -              Normal
  06/16/2025 03 PM PDT            3.41            531         0              Normal
  06/16/2025 04 PM PDT            3.41            531         0              Normal
  06/16/2025 05 PM PDT            3.41            531         0              Normal
  06/16/2025 06 PM PDT            3.41            531         0              Normal
  06/16/2025 07 PM PDT            3.41            531         0              Normal
  06/16/2025 08 PM PDT            3.41            531         0              Normal
  06/16/2025 09 PM PDT            3.41            531         0              Normal
  06/16/2025 10 PM PDT            3.41            531         0              Normal
  06/16/2025 11 PM PDT            3.41            531         0              Normal
  06/17/2025 12 AM PDT            3.41            531         0              Normal
  06/17/2025 01 AM PDT            3.41            531         0              Normal
  06/17/2025 02 AM PDT            3.41            531         0              Normal
  06/17/2025 03 AM PDT            3.41            531         0              Normal
  06/17/2025 04 AM PDT            3.40            527         -              Normal
  06/17/2025 05 AM PDT            3.40            527         0              Normal
  06/17/2025 06 AM PDT            3.40            527         0              Normal
  06/17/2025 07 AM PDT            3.40            527         0              Normal
  06/17/2025 08 AM PDT            3.40            527         0              Normal
  06/17/2025 09 AM PDT            3.39            523         -              Normal
  06/17/2025 10 AM PDT            3.39            523         0              Normal
  06/17/2025 11 AM PDT            3.39            523         0              Normal
  06/17/2025 12 PM PDT            3.38            519         -              Normal
  06/17/2025 01 PM PDT            3.37            515         -              Normal
  06/17/2025 02 PM PDT            3.35            507         -              Normal
  06/17/2025 03 PM PDT            3.37            515         +              Normal
  06/17/2025 04 PM PDT            3.36            511         -              Normal
  06/17/2025 05 PM PDT            3.36            511         0              Normal
  06/17/2025 06 PM PDT            3.36            511         0              Normal
  06/17/2025 07 PM PDT            3.36            511         0              Normal
  06/17/2025 08 PM PDT            3.36            511         0              Normal
  06/17/2025 09 PM PDT            3.36            511         0              Normal
  06/17/2025 10 PM PDT            3.35            507         -              Normal
  06/17/2025 11 PM PDT            3.38            519         +              Normal
  06/18/2025 12 AM PDT            3.35            507         -              Normal
  06/18/2025 01 AM PDT            3.35            507         0              Normal
  06/18/2025 02 AM PDT            3.38            519         +              Normal
  06/18/2025 03 AM PDT            3.37            515         -              Normal
  06/18/2025 04 AM PDT            3.36            511         -              Normal
  06/18/2025 05 AM PDT            3.36            511         0              Normal
  06/18/2025 06 AM PDT            3.38            519         +              Normal
  06/18/2025 07 AM PDT            3.37            515         -              Normal
  06/18/2025 08 AM PDT            3.36            511         -              Normal
  06/18/2025 09 AM PDT            3.36            511         0              Normal
  06/18/2025 10 AM PDT            3.36            511         0              Normal
  06/18/2025 11 AM PDT            3.35            507         -              Normal
  06/18/2025 12 PM PDT            3.38            519         +              Normal
  06/18/2025 01 PM PDT            3.36            511         -              Normal
  06/18/2025 02 PM PDT            3.36            511         0              Normal
  06/18/2025 03 PM PDT            3.32            495         -              Normal
  06/18/2025 04 PM PDT            3.34            503         +              Normal
  06/18/2025 05 PM PDT            3.35            507         +              Normal
  06/18/2025 06 PM PDT            3.35            507         0              Normal
  06/18/2025 07 PM PDT            3.34            503         -              Normal
  06/18/2025 08 PM PDT            3.34            503         0              Normal
  06/18/2025 09 PM PDT            3.31            491         -              Normal
  06/18/2025 10 PM PDT            3.29            483         -              Normal
  06/18/2025 11 PM PDT            3.29            483         0              Normal
  06/19/2025 12 AM PDT            3.31            491         +              Normal
  06/19/2025 01 AM PDT            3.32            495         +              Normal
  06/19/2025 02 AM PDT            3.35            507         +              Normal
  06/19/2025 03 AM PDT            3.38            519         +              Normal
  06/19/2025 04 AM PDT            3.40            527         +              Normal
  06/19/2025 05 AM PDT            3.41            531         +              Normal
  06/19/2025 06 AM PDT            3.42            536         +              Normal
  06/19/2025 07 AM PDT            3.41            531         -              Normal
  06/19/2025 08 AM PDT            3.41            531         0              Normal
  06/19/2025 09 AM PDT            3.41            531         0              Normal
  06/19/2025 10 AM PDT            3.41            531         0              Normal
  06/19/2025 11 AM PDT            3.41            531         0              Normal
  06/19/2025 12 PM PDT            3.41            531         0              Normal
  06/19/2025 01 PM PDT            3.42            536         +              Normal
  06/19/2025 02 PM PDT            3.36            511         -              Normal
  06/19/2025 03 PM PDT            3.37            515         +              Normal
  06/19/2025 04 PM PDT            3.37            515         0              Normal
  06/19/2025 05 PM PDT            3.39            523         +              Normal
  06/19/2025 06 PM PDT            3.38            519         -              Normal
  06/19/2025 07 PM PDT            3.43            540         +              Normal
  06/19/2025 08 PM PDT            3.41            531         -              Normal
  06/19/2025 09 PM PDT            3.42            536         +              Normal
  06/19/2025 10 PM PDT            3.45            548         +              Normal
  06/19/2025 11 PM PDT            3.45            548         0              Normal
  06/20/2025 12 AM PDT            3.43            540         -              Normal
  06/20/2025 01 AM PDT            3.43            540         0              Normal
  06/20/2025 02 AM PDT            3.43            540         0              Normal
  06/20/2025 03 AM PDT            3.42            536         -              Normal
  06/20/2025 04 AM PDT            3.42            536         0              Normal
  06/20/2025 05 AM PDT            3.39            523         -              Normal
  06/20/2025 06 AM PDT            3.40            527         +              Normal
  06/20/2025 07 AM PDT            3.41            531         +              Normal
  06/20/2025 08 AM PDT            3.41            531         0              Normal
  06/20/2025 09 AM PDT            3.40            527         -              Normal
  06/20/2025 10 AM PDT            3.40            527         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  06/20/2025 11 AM PDT            3.40            527                        Normal
  06/20/2025 12 PM PDT            3.40            527         0              Normal
  06/20/2025 01 PM PDT            3.40            527         0              Normal
  06/20/2025 02 PM PDT            3.40            527         0              Normal
  06/20/2025 03 PM PDT            3.41            531         +              Normal
  06/20/2025 04 PM PDT            3.41            531         0              Normal
  06/20/2025 05 PM PDT            3.42            536         +              Normal
  06/20/2025 06 PM PDT            3.42            536         0              Normal
  06/20/2025 07 PM PDT            3.43            540         +              Normal
  06/20/2025 08 PM PDT            3.43            540         0              Normal
  06/20/2025 09 PM PDT            3.43            540         0              Normal
  06/20/2025 10 PM PDT            3.42            536         -              Normal
  06/20/2025 11 PM PDT            3.42            536         0              Normal
  06/21/2025 12 AM PDT            3.42            536         0              Normal
  06/21/2025 01 AM PDT            3.42            536         0              Normal
  06/21/2025 02 AM PDT            3.42            536         0              Normal
  06/21/2025 03 AM PDT            3.42            536         0              Normal
  06/21/2025 04 AM PDT            3.42            536         0              Normal
  06/21/2025 05 AM PDT            3.42            536         0              Normal
  06/21/2025 06 AM PDT            3.42            536         0              Normal
  06/21/2025 07 AM PDT            3.42            536         0              Normal
  06/21/2025 08 AM PDT            3.42            536         0              Normal
  06/21/2025 09 AM PDT            3.42            536         0              Normal
  06/21/2025 10 AM PDT            3.41            531         -              Normal
  06/21/2025 11 AM PDT            3.41            531         0              Normal
  06/21/2025 12 PM PDT            3.41            531         0              Normal
  06/21/2025 01 PM PDT            3.41            531         0              Normal
  06/21/2025 02 PM PDT            3.41            531         0              Normal
  06/21/2025 03 PM PDT            3.41            531         0              Normal
  06/21/2025 04 PM PDT            3.41            531         0              Normal
  06/21/2025 05 PM PDT            3.41            531         0              Normal
  06/21/2025 06 PM PDT            3.41            531         0              Normal
  06/21/2025 07 PM PDT            3.40            527         -              Normal
  06/21/2025 08 PM PDT            3.40            527         0              Normal
  06/21/2025 09 PM PDT            3.40            527         0              Normal
  06/21/2025 10 PM PDT            3.40            527         0              Normal
  06/21/2025 11 PM PDT            3.40            527         0              Normal
  06/22/2025 12 AM PDT            3.40            527         0              Normal
  06/22/2025 01 AM PDT            3.40            527         0              Normal
  06/22/2025 02 AM PDT            3.40            527         0              Normal
  06/22/2025 03 AM PDT            3.40            527         0              Normal
  06/22/2025 04 AM PDT            3.40            527         0              Normal
  06/22/2025 05 AM PDT            3.40            527         0              Normal
  06/22/2025 06 AM PDT            3.40            527         0              Normal
  06/22/2025 07 AM PDT            3.40            527         0              Normal
  06/22/2025 08 AM PDT            3.40            527         0              Normal
  06/22/2025 09 AM PDT            3.39            523         -              Normal
  06/22/2025 10 AM PDT            3.39            523         0              Normal
  06/22/2025 11 AM PDT            3.39            523         0              Normal
  06/22/2025 12 PM PDT            3.39            523         0              Normal
  06/22/2025 01 PM PDT            3.39            523         0              Normal
  06/22/2025 02 PM PDT            3.39            523         0              Normal
  06/22/2025 03 PM PDT            3.39            523         0              Normal
  06/22/2025 04 PM PDT            3.39            523         0              Normal
  06/22/2025 05 PM PDT            3.38            519         -              Normal
  06/22/2025 06 PM PDT            3.38            519         0              Normal
  06/22/2025 07 PM PDT            3.38            519         0              Normal
  06/22/2025 08 PM PDT            3.38            519         0              Normal
  06/22/2025 09 PM PDT            3.38            519         0              Normal
  06/22/2025 10 PM PDT            3.38            519         0              Normal
  06/22/2025 11 PM PDT            3.38            519         0              Normal
  06/23/2025 12 AM PDT            3.38            519         0              Normal
  06/23/2025 01 AM PDT            3.38            519         0              Normal
  06/23/2025 02 AM PDT            3.38            519         0              Normal
  06/23/2025 03 AM PDT            3.38            519         0              Normal
  06/23/2025 04 AM PDT            3.38            519         0              Normal
  06/23/2025 05 AM PDT            3.37            515         -              Normal
  06/23/2025 06 AM PDT            3.37            515         0              Normal
  06/23/2025 07 AM PDT            3.37            515         0              Normal
  06/23/2025 08 AM PDT            3.37            515         0              Normal
  06/23/2025 09 AM PDT            3.37            515         0              Normal
  06/23/2025 10 AM PDT            3.37            515         0              Normal
  06/23/2025 11 AM PDT            3.37            515         0              Normal
  06/23/2025 12 PM PDT            3.36            511         -              Normal
  06/23/2025 01 PM PDT            3.36            511         0              Normal
  06/23/2025 02 PM PDT            3.36            511         0              Normal
  06/23/2025 03 PM PDT            3.36            511         0              Normal
  06/23/2025 04 PM PDT            3.36            511         0              Normal
  06/23/2025 05 PM PDT            3.36            511         0              Normal
  06/23/2025 06 PM PDT            3.36            511         0              Normal
  06/23/2025 07 PM PDT            3.35            507         -              Normal
  06/23/2025 08 PM PDT            3.35            507         0              Normal
  06/23/2025 09 PM PDT            3.35            507         0              Normal
  06/23/2025 10 PM PDT            3.35            507         0              Normal
  06/23/2025 11 PM PDT            3.35            507         0              Normal
  06/24/2025 12 AM PDT            3.35            507         0              Normal
  06/24/2025 01 AM PDT            3.35            507         0              Normal
  06/24/2025 02 AM PDT            3.35            507         0              Normal
  06/24/2025 03 AM PDT            3.35            507         0              Normal
  06/24/2025 04 AM PDT            3.35            507         0              Normal
  06/24/2025 05 AM PDT            3.35            507         0              Normal
  06/24/2025 06 AM PDT            3.34            503         -              Normal
  06/24/2025 07 AM PDT            3.34            503         0              Normal
  06/24/2025 08 AM PDT            3.34            503         0              Normal
  06/24/2025 09 AM PDT            3.34            503         0              Normal
  06/24/2025 10 AM PDT            3.34            503         0              Normal
  06/24/2025 11 AM PDT            3.34            503         0              Normal
  06/24/2025 12 PM PDT            3.34            503         0              Normal
  06/24/2025 01 PM PDT            3.33            499         -              Normal
  06/24/2025 02 PM PDT            3.33            499         0              Normal
  06/24/2025 03 PM PDT            3.33            499         0              Normal
  06/24/2025 04 PM PDT            3.33            499         0              Normal
  06/24/2025 05 PM PDT            3.33            499         0              Normal
  06/24/2025 06 PM PDT            3.33            499         0              Normal
  06/24/2025 07 PM PDT            3.33            499         0              Normal
  06/24/2025 08 PM PDT            3.33            499         0              Normal
  06/24/2025 09 PM PDT            3.33            499         0              Normal
  06/24/2025 10 PM PDT            3.33            499         0              Normal
  06/24/2025 11 PM PDT            3.33            499         0              Normal
  06/25/2025 12 AM PDT            3.32            495         -              Normal
  06/25/2025 01 AM PDT            3.32            495         0              Normal
  06/25/2025 02 AM PDT            3.32            495         0              Normal
  06/25/2025 03 AM PDT            3.32            495         0              Normal
  06/25/2025 04 AM PDT            3.32            495         0              Normal
  06/25/2025 05 AM PDT            3.32            495         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.