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: Apr 01 2026 at 1:26 PM PDTNext Issuance: Apr 02 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:  04/01/2026 at 01:31 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  04/01/2026 at 11:00 AM PDT
# Maximum Observed Stage:                       4.36 Feet
# Maximum Observed Flow:                        1025 cfs
#
# Earliest Date & Time of Maximum Forecast:     04/02/2026 at 06:00 PM PDT
# Maximum Forecast Stage:                       4.82 Feet
# Maximum Forecast Flow:                        1283 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/27/2026 01 PM PDT            3.99            843                        Normal
  03/27/2026 02 PM PDT            3.94            820         -              Normal
  03/27/2026 03 PM PDT            3.94            820         0              Normal
  03/27/2026 04 PM PDT            3.93            816         -              Normal
  03/27/2026 05 PM PDT            3.92            811         -              Normal
  03/27/2026 06 PM PDT            3.94            820         +              Normal
  03/27/2026 07 PM PDT            3.93            816         -              Normal
  03/27/2026 08 PM PDT            3.92            811         -              Normal
  03/27/2026 09 PM PDT            3.92            811         0              Normal
  03/27/2026 10 PM PDT            3.90            802         -              Normal
  03/27/2026 11 PM PDT            3.91            807         +              Normal
  03/28/2026 12 AM PDT            3.89            798         -              Normal
  03/28/2026 01 AM PDT            3.87            789         -              Normal
  03/28/2026 02 AM PDT            3.87            789         0              Normal
  03/28/2026 03 AM PDT            3.85            780         -              Normal
  03/28/2026 04 AM PDT            3.87            789         +              Normal
  03/28/2026 05 AM PDT            3.92            811         +              Normal
  03/28/2026 06 AM PDT            4.02            857         +              Normal
  03/28/2026 07 AM PDT            4.05            872         +              Normal
  03/28/2026 08 AM PDT            4.08            886         +              Normal
  03/28/2026 09 AM PDT            4.06            876         -              Normal
  03/28/2026 10 AM PDT            4.10            895         +              Normal
  03/28/2026 11 AM PDT            4.11            900         +              Normal
  03/28/2026 12 PM PDT            4.11            900         0              Normal
  03/28/2026 01 PM PDT            4.06            876         -              Normal
  03/28/2026 02 PM PDT            4.04            867         -              Normal
  03/28/2026 03 PM PDT            4.05            872         +              Normal
  03/28/2026 04 PM PDT            4.07            881         +              Normal
  03/28/2026 05 PM PDT            4.07            881         0              Normal
  03/28/2026 06 PM PDT            4.08            886         +              Normal
  03/28/2026 07 PM PDT            4.07            881         -              Normal
  03/28/2026 08 PM PDT            4.07            881         0              Normal
  03/28/2026 09 PM PDT            4.06            876         -              Normal
  03/28/2026 10 PM PDT            4.04            867         -              Normal
  03/28/2026 11 PM PDT            4.03            862         -              Normal
  03/29/2026 12 AM PDT            4.02            857         -              Normal
  03/29/2026 01 AM PDT            4.04            867         +              Normal
  03/29/2026 02 AM PDT            4.03            862         -              Normal
  03/29/2026 03 AM PDT            4.00            848         -              Normal
  03/29/2026 04 AM PDT            3.99            843         -              Normal
  03/29/2026 05 AM PDT            4.05            872         +              Normal
  03/29/2026 06 AM PDT            4.11            900         +              Normal
  03/29/2026 07 AM PDT            4.14            915         +              Normal
  03/29/2026 08 AM PDT            4.16            924         +              Normal
  03/29/2026 09 AM PDT            4.16            924         0              Normal
  03/29/2026 10 AM PDT            4.10            895         -              Normal
  03/29/2026 11 AM PDT            4.10            895         0              Normal
  03/29/2026 12 PM PDT            4.09            891         -              Normal
  03/29/2026 01 PM PDT            4.10            895         +              Normal
  03/29/2026 02 PM PDT            4.13            910         +              Normal
  03/29/2026 03 PM PDT            4.14            915         +              Normal
  03/29/2026 04 PM PDT            4.13            910         -              Normal
  03/29/2026 05 PM PDT            4.10            895         -              Normal
  03/29/2026 06 PM PDT            4.10            895         0              Normal
  03/29/2026 07 PM PDT            4.09            891         -              Normal
  03/29/2026 08 PM PDT            4.12            905         +              Normal
  03/29/2026 09 PM PDT            4.11            900         -              Normal
  03/29/2026 10 PM PDT            4.09            891         -              Normal
  03/29/2026 11 PM PDT            4.06            876         -              Normal
  03/30/2026 12 AM PDT            4.07            881         +              Normal
  03/30/2026 01 AM PDT            4.07            881         0              Normal
  03/30/2026 02 AM PDT            4.05            872         -              Normal
  03/30/2026 03 AM PDT            4.04            867         -              Normal
  03/30/2026 04 AM PDT            4.05            872         +              Normal
  03/30/2026 05 AM PDT            4.08            886         +              Normal
  03/30/2026 06 AM PDT            4.09            891         +              Normal
  03/30/2026 07 AM PDT            4.11            900         +              Normal
  03/30/2026 08 AM PDT            4.14            915         +              Normal
  03/30/2026 09 AM PDT            4.14            915         0              Normal
  03/30/2026 10 AM PDT            4.16            924         +              Normal
  03/30/2026 11 AM PDT            4.15            919         -              Normal
  03/30/2026 12 PM PDT            4.17            929         +              Normal
  03/30/2026 01 PM PDT            4.19            939         +              Normal
  03/30/2026 02 PM PDT            4.10            895         -              Normal
  03/30/2026 03 PM PDT            4.07            881         -              Normal
  03/30/2026 04 PM PDT            4.06            876         -              Normal
  03/30/2026 05 PM PDT            4.08            886         +              Normal
  03/30/2026 06 PM PDT            4.08            886         0              Normal
  03/30/2026 07 PM PDT            4.06            876         -              Normal
  03/30/2026 08 PM PDT            4.04            867         -              Normal
  03/30/2026 09 PM PDT            4.04            867         0              Normal
  03/30/2026 10 PM PDT            4.03            862         -              Normal
  03/30/2026 11 PM PDT            4.05            872         +              Normal
  03/31/2026 12 AM PDT            4.01            853         -              Normal
  03/31/2026 01 AM PDT            4.01            853         0              Normal
  03/31/2026 02 AM PDT            4.05            872         +              Normal
  03/31/2026 03 AM PDT            4.05            872         0              Normal
  03/31/2026 04 AM PDT            4.04            867         -              Normal
  03/31/2026 05 AM PDT            4.04            867         0              Normal
  03/31/2026 06 AM PDT            4.05            872         +              Normal
  03/31/2026 07 AM PDT            4.03            862         -              Normal
  03/31/2026 08 AM PDT            4.03            862         0              Normal
  03/31/2026 09 AM PDT            4.03            862         0              Normal
  03/31/2026 10 AM PDT            4.06            876         +              Normal
  03/31/2026 11 AM PDT            4.04            867         -              Normal
  03/31/2026 12 PM PDT            4.07            881         +              Normal
  03/31/2026 01 PM PDT            4.03            862         -              Normal
  03/31/2026 02 PM PDT            3.98            839         -              Normal
  03/31/2026 03 PM PDT            3.92            811         -              Normal
  03/31/2026 04 PM PDT            3.92            811         0              Normal
  03/31/2026 05 PM PDT            3.93            816         +              Normal
  03/31/2026 06 PM PDT            3.92            811         -              Normal
  03/31/2026 07 PM PDT            3.92            811         0              Normal
  03/31/2026 08 PM PDT            3.91            807         -              Normal
  03/31/2026 09 PM PDT            3.91            807         0              Normal
  03/31/2026 10 PM PDT            3.93            816         +              Normal
  03/31/2026 11 PM PDT            3.92            811         -              Normal
  04/01/2026 12 AM PDT            3.95            825         +              Normal
  04/01/2026 01 AM PDT            3.97            834         +              Normal
  04/01/2026 02 AM PDT            3.95            825         -              Normal
  04/01/2026 03 AM PDT            3.99            843         +              Normal
  04/01/2026 04 AM PDT            4.04            867         +              Normal
  04/01/2026 05 AM PDT            4.19            939         +              Normal
  04/01/2026 06 AM PDT            4.15            919         -              Normal
  04/01/2026 07 AM PDT            4.21            949         +              Normal
  04/01/2026 08 AM PDT            4.27            979         +              Normal
  04/01/2026 09 AM PDT            4.33           1009         +              Normal
  04/01/2026 10 AM PDT            4.36           1025         +              Normal
  04/01/2026 11 AM PDT            4.36           1025         0              Normal
  04/01/2026 12 PM PDT            4.34           1014         -              Normal
  04/01/2026 01 PM PDT            4.32           1004         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  04/01/2026 02 PM PDT            4.30            994                        Normal
  04/01/2026 03 PM PDT            4.28            984         -              Normal
  04/01/2026 04 PM PDT            4.25            969         -              Normal
  04/01/2026 05 PM PDT            4.22            954         -              Normal
  04/01/2026 06 PM PDT            4.17            929         -              Normal
  04/01/2026 07 PM PDT            4.12            905         -              Normal
  04/01/2026 08 PM PDT            4.08            886         -              Normal
  04/01/2026 09 PM PDT            4.05            872         -              Normal
  04/01/2026 10 PM PDT            4.06            876         +              Normal
  04/01/2026 11 PM PDT            4.12            905         +              Normal
  04/02/2026 12 AM PDT            4.19            939         +              Normal
  04/02/2026 01 AM PDT            4.23            959         +              Normal
  04/02/2026 02 AM PDT            4.27            979         +              Normal
  04/02/2026 03 AM PDT            4.32           1004         +              Normal
  04/02/2026 04 AM PDT            4.39           1040         +              Normal
  04/02/2026 05 AM PDT            4.48           1087         +              Normal
  04/02/2026 06 AM PDT            4.54           1120         +              Normal
  04/02/2026 07 AM PDT            4.59           1147         +              Normal
  04/02/2026 08 AM PDT            4.61           1158         +              Normal
  04/02/2026 09 AM PDT            4.64           1174         +              Normal
  04/02/2026 10 AM PDT            4.67           1191         +              Normal
  04/02/2026 11 AM PDT            4.71           1213         +              Normal
  04/02/2026 12 PM PDT            4.74           1230         +              Normal
  04/02/2026 01 PM PDT            4.77           1249         +              Normal
  04/02/2026 02 PM PDT            4.78           1255         +              Normal
  04/02/2026 03 PM PDT            4.79           1262         +              Normal
  04/02/2026 04 PM PDT            4.80           1269         +              Normal
  04/02/2026 05 PM PDT            4.81           1276         +              Normal
  04/02/2026 06 PM PDT            4.82           1283         +              Normal
  04/02/2026 07 PM PDT            4.82           1283         0              Normal
  04/02/2026 08 PM PDT            4.81           1276         -              Normal
  04/02/2026 09 PM PDT            4.80           1269         -              Normal
  04/02/2026 10 PM PDT            4.78           1255         -              Normal
  04/02/2026 11 PM PDT            4.76           1242         -              Normal
  04/03/2026 12 AM PDT            4.73           1225         -              Normal
  04/03/2026 01 AM PDT            4.70           1208         -              Normal
  04/03/2026 02 AM PDT            4.67           1191         -              Normal
  04/03/2026 03 AM PDT            4.63           1169         -              Normal
  04/03/2026 04 AM PDT            4.60           1152         -              Normal
  04/03/2026 05 AM PDT            4.57           1136         -              Normal
  04/03/2026 06 AM PDT            4.54           1120         -              Normal
  04/03/2026 07 AM PDT            4.50           1098         -              Normal
  04/03/2026 08 AM PDT            4.48           1087         -              Normal
  04/03/2026 09 AM PDT            4.45           1072         -              Normal
  04/03/2026 10 AM PDT            4.43           1061         -              Normal
  04/03/2026 11 AM PDT            4.41           1051         -              Normal
  04/03/2026 12 PM PDT            4.39           1040         -              Normal
  04/03/2026 01 PM PDT            4.38           1035         -              Normal
  04/03/2026 02 PM PDT            4.36           1025         -              Normal
  04/03/2026 03 PM PDT            4.35           1019         -              Normal
  04/03/2026 04 PM PDT            4.33           1009         -              Normal
  04/03/2026 05 PM PDT            4.32           1004         -              Normal
  04/03/2026 06 PM PDT            4.31            999         -              Normal
  04/03/2026 07 PM PDT            4.30            994         -              Normal
  04/03/2026 08 PM PDT            4.29            989         -              Normal
  04/03/2026 09 PM PDT            4.28            984         -              Normal
  04/03/2026 10 PM PDT            4.27            979         -              Normal
  04/03/2026 11 PM PDT            4.26            974         -              Normal
  04/04/2026 12 AM PDT            4.25            969         -              Normal
  04/04/2026 01 AM PDT            4.24            964         -              Normal
  04/04/2026 02 AM PDT            4.23            959         -              Normal
  04/04/2026 03 AM PDT            4.22            954         -              Normal
  04/04/2026 04 AM PDT            4.21            949         -              Normal
  04/04/2026 05 AM PDT            4.20            944         -              Normal
  04/04/2026 06 AM PDT            4.20            944         0              Normal
  04/04/2026 07 AM PDT            4.19            939         -              Normal
  04/04/2026 08 AM PDT            4.19            939         0              Normal
  04/04/2026 09 AM PDT            4.18            934         -              Normal
  04/04/2026 10 AM PDT            4.18            934         0              Normal
  04/04/2026 11 AM PDT            4.18            934         0              Normal
  04/04/2026 12 PM PDT            4.19            939         +              Normal
  04/04/2026 01 PM PDT            4.19            939         0              Normal
  04/04/2026 02 PM PDT            4.19            939         0              Normal
  04/04/2026 03 PM PDT            4.19            939         0              Normal
  04/04/2026 04 PM PDT            4.19            939         0              Normal
  04/04/2026 05 PM PDT            4.19            939         0              Normal
  04/04/2026 06 PM PDT            4.19            939         0              Normal
  04/04/2026 07 PM PDT            4.19            939         0              Normal
  04/04/2026 08 PM PDT            4.19            939         0              Normal
  04/04/2026 09 PM PDT            4.18            934         -              Normal
  04/04/2026 10 PM PDT            4.18            934         0              Normal
  04/04/2026 11 PM PDT            4.17            929         -              Normal
  04/05/2026 12 AM PDT            4.17            929         0              Normal
  04/05/2026 01 AM PDT            4.16            924         -              Normal
  04/05/2026 02 AM PDT            4.15            919         -              Normal
  04/05/2026 03 AM PDT            4.15            919         0              Normal
  04/05/2026 04 AM PDT            4.14            915         -              Normal
  04/05/2026 05 AM PDT            4.14            915         0              Normal
  04/05/2026 06 AM PDT            4.14            915         0              Normal
  04/05/2026 07 AM PDT            4.14            915         0              Normal
  04/05/2026 08 AM PDT            4.14            915         0              Normal
  04/05/2026 09 AM PDT            4.15            919         +              Normal
  04/05/2026 10 AM PDT            4.16            924         +              Normal
  04/05/2026 11 AM PDT            4.17            929         +              Normal
  04/05/2026 12 PM PDT            4.18            934         +              Normal
  04/05/2026 01 PM PDT            4.19            939         +              Normal
  04/05/2026 02 PM PDT            4.20            944         +              Normal
  04/05/2026 03 PM PDT            4.21            949         +              Normal
  04/05/2026 04 PM PDT            4.22            954         +              Normal
  04/05/2026 05 PM PDT            4.22            954         0              Normal
  04/05/2026 06 PM PDT            4.23            959         +              Normal
  04/05/2026 07 PM PDT            4.23            959         0              Normal
  04/05/2026 08 PM PDT            4.23            959         0              Normal
  04/05/2026 09 PM PDT            4.23            959         0              Normal
  04/05/2026 10 PM PDT            4.22            954         -              Normal
  04/05/2026 11 PM PDT            4.22            954         0              Normal
  04/06/2026 12 AM PDT            4.21            949         -              Normal
  04/06/2026 01 AM PDT            4.20            944         -              Normal
  04/06/2026 02 AM PDT            4.19            939         -              Normal
  04/06/2026 03 AM PDT            4.19            939         0              Normal
  04/06/2026 04 AM PDT            4.18            934         -              Normal
  04/06/2026 05 AM PDT            4.18            934         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.