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: Mar 20 2026 at 1:26 PM PDTNext Issuance: Mar 21 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:  03/20/2026 at 01:29 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/16/2026 at 10:00 PM PDT
# Maximum Observed Stage:                       4.17 Feet
# Maximum Observed Flow:                        929 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/22/2026 at 02:00 AM PDT
# Maximum Forecast Stage:                       4.14 Feet
# Maximum Forecast Flow:                        915 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/15/2026 01 PM PDT            4.08            886                        Normal
  03/15/2026 02 PM PDT            4.09            891         +              Normal
  03/15/2026 03 PM PDT            4.12            905         +              Normal
  03/15/2026 04 PM PDT            4.13            910         +              Normal
  03/15/2026 05 PM PDT            4.17            929         +              Normal
  03/15/2026 06 PM PDT            4.16            924         -              Normal
  03/15/2026 07 PM PDT            4.15            919         -              Normal
  03/15/2026 08 PM PDT            4.12            905         -              Normal
  03/15/2026 09 PM PDT            4.12            905         0              Normal
  03/15/2026 10 PM PDT            4.13            910         +              Normal
  03/15/2026 11 PM PDT            4.12            905         -              Normal
  03/16/2026 12 AM PDT            4.10            895         -              Normal
  03/16/2026 01 AM PDT            4.10            895         0              Normal
  03/16/2026 02 AM PDT            4.09            891         -              Normal
  03/16/2026 03 AM PDT            4.08            886         -              Normal
  03/16/2026 04 AM PDT            4.08            886         0              Normal
  03/16/2026 05 AM PDT            4.07            881         -              Normal
  03/16/2026 06 AM PDT            4.07            881         0              Normal
  03/16/2026 07 AM PDT            4.06            876         -              Normal
  03/16/2026 08 AM PDT            4.06            876         0              Normal
  03/16/2026 09 AM PDT            4.04            867         -              Normal
  03/16/2026 10 AM PDT            4.04            867         0              Normal
  03/16/2026 11 AM PDT            4.08            886         +              Normal
  03/16/2026 12 PM PDT            4.07            881         -              Normal
  03/16/2026 01 PM PDT            4.08            886         +              Normal
  03/16/2026 02 PM PDT            4.11            900         +              Normal
  03/16/2026 03 PM PDT            4.11            900         0              Normal
  03/16/2026 04 PM PDT            4.10            895         -              Normal
  03/16/2026 05 PM PDT            4.10            895         0              Normal
  03/16/2026 06 PM PDT            4.10            895         0              Normal
  03/16/2026 07 PM PDT            4.08            886         -              Normal
  03/16/2026 08 PM PDT            4.12            905         +              Normal
  03/16/2026 09 PM PDT            4.16            924         +              Normal
  03/16/2026 10 PM PDT            4.17            929         +              Normal
  03/16/2026 11 PM PDT            4.15            919         -              Normal
  03/17/2026 12 AM PDT            4.12            905         -              Normal
  03/17/2026 01 AM PDT            4.08            886         -              Normal
  03/17/2026 02 AM PDT            4.07            881         -              Normal
  03/17/2026 03 AM PDT            4.04            867         -              Normal
  03/17/2026 04 AM PDT            4.05            872         +              Normal
  03/17/2026 05 AM PDT            4.02            857         -              Normal
  03/17/2026 06 AM PDT            4.04            867         +              Normal
  03/17/2026 07 AM PDT            4.02            857         -              Normal
  03/17/2026 08 AM PDT            4.01            853         -              Normal
  03/17/2026 09 AM PDT            3.99            843         -              Normal
  03/17/2026 10 AM PDT            3.96            830         -              Normal
  03/17/2026 11 AM PDT            3.98            839         +              Normal
  03/17/2026 12 PM PDT            3.98            839         0              Normal
  03/17/2026 01 PM PDT            3.98            839         0              Normal
  03/17/2026 02 PM PDT            3.99            843         +              Normal
  03/17/2026 03 PM PDT            4.04            867         +              Normal
  03/17/2026 04 PM PDT            4.06            876         +              Normal
  03/17/2026 05 PM PDT            4.08            886         +              Normal
  03/17/2026 06 PM PDT            4.07            881         -              Normal
  03/17/2026 07 PM PDT            4.06            876         -              Normal
  03/17/2026 08 PM PDT            4.06            876         0              Normal
  03/17/2026 09 PM PDT            4.06            876         0              Normal
  03/17/2026 10 PM PDT            4.05            872         -              Normal
  03/17/2026 11 PM PDT            4.02            857         -              Normal
  03/18/2026 12 AM PDT            4.02            857         0              Normal
  03/18/2026 01 AM PDT            4.02            857         0              Normal
  03/18/2026 02 AM PDT            3.99            843         -              Normal
  03/18/2026 03 AM PDT            3.99            843         0              Normal
  03/18/2026 04 AM PDT            3.98            839         -              Normal
  03/18/2026 05 AM PDT            3.95            825         -              Normal
  03/18/2026 06 AM PDT            3.94            820         -              Normal
  03/18/2026 07 AM PDT            3.96            830         +              Normal
  03/18/2026 08 AM PDT            3.95            825         -              Normal
  03/18/2026 09 AM PDT            3.95            825         0              Normal
  03/18/2026 10 AM PDT            3.93            816         -              Normal
  03/18/2026 11 AM PDT            3.94            820         +              Normal
  03/18/2026 12 PM PDT            3.95            825         +              Normal
  03/18/2026 01 PM PDT            3.99            843         +              Normal
  03/18/2026 02 PM PDT            4.02            857         +              Normal
  03/18/2026 03 PM PDT            4.08            886         +              Normal
  03/18/2026 04 PM PDT            4.09            891         +              Normal
  03/18/2026 05 PM PDT            4.11            900         +              Normal
  03/18/2026 06 PM PDT            4.11            900         0              Normal
  03/18/2026 07 PM PDT            4.07            881         -              Normal
  03/18/2026 08 PM PDT            4.07            881         0              Normal
  03/18/2026 09 PM PDT            4.04            867         -              Normal
  03/18/2026 10 PM PDT            4.04            867         0              Normal
  03/18/2026 11 PM PDT            4.01            853         -              Normal
  03/19/2026 12 AM PDT            4.01            853         0              Normal
  03/19/2026 01 AM PDT            4.00            848         -              Normal
  03/19/2026 02 AM PDT            3.99            843         -              Normal
  03/19/2026 03 AM PDT            3.98            839         -              Normal
  03/19/2026 04 AM PDT            3.97            834         -              Normal
  03/19/2026 05 AM PDT            3.96            830         -              Normal
  03/19/2026 06 AM PDT            3.96            830         0              Normal
  03/19/2026 07 AM PDT            3.95            825         -              Normal
  03/19/2026 08 AM PDT            3.95            825         0              Normal
  03/19/2026 09 AM PDT            3.95            825         0              Normal
  03/19/2026 10 AM PDT            3.96            830         +              Normal
  03/19/2026 11 AM PDT            3.98            839         +              Normal
  03/19/2026 12 PM PDT            4.00            848         +              Normal
  03/19/2026 01 PM PDT            4.06            876         +              Normal
  03/19/2026 02 PM PDT            4.13            910         +              Normal
  03/19/2026 03 PM PDT            4.15            919         +              Normal
  03/19/2026 04 PM PDT            4.16            924         +              Normal
  03/19/2026 05 PM PDT            4.13            910         -              Normal
  03/19/2026 06 PM PDT            4.13            910         0              Normal
  03/19/2026 07 PM PDT            4.11            900         -              Normal
  03/19/2026 08 PM PDT            4.06            876         -              Normal
  03/19/2026 09 PM PDT            4.06            876         0              Normal
  03/19/2026 10 PM PDT            4.04            867         -              Normal
  03/19/2026 11 PM PDT            4.02            857         -              Normal
  03/20/2026 12 AM PDT            4.02            857         0              Normal
  03/20/2026 01 AM PDT            4.00            848         -              Normal
  03/20/2026 02 AM PDT            4.00            848         0              Normal
  03/20/2026 03 AM PDT            3.99            843         -              Normal
  03/20/2026 04 AM PDT            3.95            825         -              Normal
  03/20/2026 05 AM PDT            3.96            830         +              Normal
  03/20/2026 06 AM PDT            3.95            825         -              Normal
  03/20/2026 07 AM PDT            3.98            839         +              Normal
  03/20/2026 08 AM PDT            3.95            825         -              Normal
  03/20/2026 09 AM PDT            3.94            820         -              Normal
  03/20/2026 10 AM PDT            3.96            830         +              Normal
  03/20/2026 11 AM PDT            3.97            834         +              Normal
  03/20/2026 12 PM PDT            3.99            843         +              Normal
  03/20/2026 01 PM PDT            4.02            857         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/20/2026 02 PM PDT            4.04            867                        Normal
  03/20/2026 03 PM PDT            4.07            881         +              Normal
  03/20/2026 04 PM PDT            4.09            891         +              Normal
  03/20/2026 05 PM PDT            4.10            895         +              Normal
  03/20/2026 06 PM PDT            4.11            900         +              Normal
  03/20/2026 07 PM PDT            4.10            895         -              Normal
  03/20/2026 08 PM PDT            4.09            891         -              Normal
  03/20/2026 09 PM PDT            4.09            891         0              Normal
  03/20/2026 10 PM PDT            4.08            886         -              Normal
  03/20/2026 11 PM PDT            4.07            881         -              Normal
  03/21/2026 12 AM PDT            4.06            876         -              Normal
  03/21/2026 01 AM PDT            4.05            872         -              Normal
  03/21/2026 02 AM PDT            4.04            867         -              Normal
  03/21/2026 03 AM PDT            4.03            862         -              Normal
  03/21/2026 04 AM PDT            4.02            857         -              Normal
  03/21/2026 05 AM PDT            4.01            853         -              Normal
  03/21/2026 06 AM PDT            4.01            853         0              Normal
  03/21/2026 07 AM PDT            4.01            853         0              Normal
  03/21/2026 08 AM PDT            4.01            853         0              Normal
  03/21/2026 09 AM PDT            4.01            853         0              Normal
  03/21/2026 10 AM PDT            4.02            857         +              Normal
  03/21/2026 11 AM PDT            4.02            857         0              Normal
  03/21/2026 12 PM PDT            4.03            862         +              Normal
  03/21/2026 01 PM PDT            4.03            862         0              Normal
  03/21/2026 02 PM PDT            4.04            867         +              Normal
  03/21/2026 03 PM PDT            4.05            872         +              Normal
  03/21/2026 04 PM PDT            4.05            872         0              Normal
  03/21/2026 05 PM PDT            4.06            876         +              Normal
  03/21/2026 06 PM PDT            4.07            881         +              Normal
  03/21/2026 07 PM PDT            4.08            886         +              Normal
  03/21/2026 08 PM PDT            4.08            886         0              Normal
  03/21/2026 09 PM PDT            4.09            891         +              Normal
  03/21/2026 10 PM PDT            4.10            895         +              Normal
  03/21/2026 11 PM PDT            4.11            900         +              Normal
  03/22/2026 12 AM PDT            4.12            905         +              Normal
  03/22/2026 01 AM PDT            4.13            910         +              Normal
  03/22/2026 02 AM PDT            4.14            915         +              Normal
  03/22/2026 03 AM PDT            4.14            915         0              Normal
  03/22/2026 04 AM PDT            4.14            915         0              Normal
  03/22/2026 05 AM PDT            4.13            910         -              Normal
  03/22/2026 06 AM PDT            4.13            910         0              Normal
  03/22/2026 07 AM PDT            4.12            905         -              Normal
  03/22/2026 08 AM PDT            4.11            900         -              Normal
  03/22/2026 09 AM PDT            4.09            891         -              Normal
  03/22/2026 10 AM PDT            4.09            891         0              Normal
  03/22/2026 11 AM PDT            4.08            886         -              Normal
  03/22/2026 12 PM PDT            4.07            881         -              Normal
  03/22/2026 01 PM PDT            4.07            881         0              Normal
  03/22/2026 02 PM PDT            4.07            881         0              Normal
  03/22/2026 03 PM PDT            4.07            881         0              Normal
  03/22/2026 04 PM PDT            4.07            881         0              Normal
  03/22/2026 05 PM PDT            4.07            881         0              Normal
  03/22/2026 06 PM PDT            4.07            881         0              Normal
  03/22/2026 07 PM PDT            4.08            886         +              Normal
  03/22/2026 08 PM PDT            4.08            886         0              Normal
  03/22/2026 09 PM PDT            4.08            886         0              Normal
  03/22/2026 10 PM PDT            4.07            881         -              Normal
  03/22/2026 11 PM PDT            4.07            881         0              Normal
  03/23/2026 12 AM PDT            4.07            881         0              Normal
  03/23/2026 01 AM PDT            4.06            876         -              Normal
  03/23/2026 02 AM PDT            4.05            872         -              Normal
  03/23/2026 03 AM PDT            4.04            867         -              Normal
  03/23/2026 04 AM PDT            4.03            862         -              Normal
  03/23/2026 05 AM PDT            4.02            857         -              Normal
  03/23/2026 06 AM PDT            4.01            853         -              Normal
  03/23/2026 07 AM PDT            4.00            848         -              Normal
  03/23/2026 08 AM PDT            4.00            848         0              Normal
  03/23/2026 09 AM PDT            3.99            843         -              Normal
  03/23/2026 10 AM PDT            3.98            839         -              Normal
  03/23/2026 11 AM PDT            3.98            839         0              Normal
  03/23/2026 12 PM PDT            3.98            839         0              Normal
  03/23/2026 01 PM PDT            3.99            843         +              Normal
  03/23/2026 02 PM PDT            3.99            843         0              Normal
  03/23/2026 03 PM PDT            4.00            848         +              Normal
  03/23/2026 04 PM PDT            4.00            848         0              Normal
  03/23/2026 05 PM PDT            4.01            853         +              Normal
  03/23/2026 06 PM PDT            4.01            853         0              Normal
  03/23/2026 07 PM PDT            4.02            857         +              Normal
  03/23/2026 08 PM PDT            4.02            857         0              Normal
  03/23/2026 09 PM PDT            4.02            857         0              Normal
  03/23/2026 10 PM PDT            4.02            857         0              Normal
  03/23/2026 11 PM PDT            4.02            857         0              Normal
  03/24/2026 12 AM PDT            4.02            857         0              Normal
  03/24/2026 01 AM PDT            4.02            857         0              Normal
  03/24/2026 02 AM PDT            4.01            853         -              Normal
  03/24/2026 03 AM PDT            4.00            848         -              Normal
  03/24/2026 04 AM PDT            3.99            843         -              Normal
  03/24/2026 05 AM PDT            3.98            839         -              Normal
  03/24/2026 06 AM PDT            3.98            839         0              Normal
  03/24/2026 07 AM PDT            3.97            834         -              Normal
  03/24/2026 08 AM PDT            3.96            830         -              Normal
  03/24/2026 09 AM PDT            3.96            830         0              Normal
  03/24/2026 10 AM PDT            3.96            830         0              Normal
  03/24/2026 11 AM PDT            3.95            825         -              Normal
  03/24/2026 12 PM PDT            3.96            830         +              Normal
  03/24/2026 01 PM PDT            3.96            830         0              Normal
  03/24/2026 02 PM PDT            3.97            834         +              Normal
  03/24/2026 03 PM PDT            3.97            834         0              Normal
  03/24/2026 04 PM PDT            3.98            839         +              Normal
  03/24/2026 05 PM PDT            3.98            839         0              Normal
  03/24/2026 06 PM PDT            3.99            843         +              Normal
  03/24/2026 07 PM PDT            4.00            848         +              Normal
  03/24/2026 08 PM PDT            4.00            848         0              Normal
  03/24/2026 09 PM PDT            4.00            848         0              Normal
  03/24/2026 10 PM PDT            4.00            848         0              Normal
  03/24/2026 11 PM PDT            4.00            848         0              Normal
  03/25/2026 12 AM PDT            4.00            848         0              Normal
  03/25/2026 01 AM PDT            4.00            848         0              Normal
  03/25/2026 02 AM PDT            3.99            843         -              Normal
  03/25/2026 03 AM PDT            3.98            839         -              Normal
  03/25/2026 04 AM PDT            3.97            834         -              Normal
  03/25/2026 05 AM PDT            3.96            830         -              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.