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 16 2026 at 2:46 PM PDTNext Issuance: Mar 17 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:  03/16/2026 at 02:49 PM PDT
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/11/2026 at 02:00 PM PDT
# Maximum Observed Stage:                       4.30 Feet
# Maximum Observed Flow:                        974 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/20/2026 at 09:00 PM PDT
# Maximum Forecast Stage:                       4.60 Feet
# Maximum Forecast Flow:                        1130 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/11/2026 02 PM PDT            4.30            974                        Normal
  03/11/2026 03 PM PDT            4.27            959         -              Normal
  03/11/2026 04 PM PDT            4.28            964         +              Normal
  03/11/2026 05 PM PDT            4.27            959         -              Normal
  03/11/2026 06 PM PDT            4.25            949         -              Normal
  03/11/2026 07 PM PDT            4.21            929         -              Normal
  03/11/2026 08 PM PDT            4.22            934         +              Normal
  03/11/2026 09 PM PDT            4.22            934         0              Normal
  03/11/2026 10 PM PDT            4.21            929         -              Normal
  03/11/2026 11 PM PDT            4.24            944         +              Normal
  03/12/2026 12 AM PDT            4.26            954         +              Normal
  03/12/2026 01 AM PDT            4.22            934         -              Normal
  03/12/2026 02 AM PDT            4.21            929         -              Normal
  03/12/2026 03 AM PDT            4.19            919         -              Normal
  03/12/2026 04 AM PDT            4.20            924         +              Normal
  03/12/2026 05 AM PDT            4.18            915         -              Normal
  03/12/2026 06 AM PDT            4.21            929         +              Normal
  03/12/2026 07 AM PDT            4.22            934         +              Normal
  03/12/2026 08 AM PDT            4.23            939         +              Normal
  03/12/2026 09 AM PDT            4.21            929         -              Normal
  03/12/2026 10 AM PDT            4.22            934         +              Normal
  03/12/2026 11 AM PDT            4.21            929         -              Normal
  03/12/2026 12 PM PDT            4.23            939         +              Normal
  03/12/2026 01 PM PDT            4.24            944         +              Normal
  03/12/2026 02 PM PDT            4.23            939         -              Normal
  03/12/2026 03 PM PDT            4.22            934         -              Normal
  03/12/2026 04 PM PDT            4.22            934         0              Normal
  03/12/2026 05 PM PDT            4.23            939         +              Normal
  03/12/2026 06 PM PDT            4.21            929         -              Normal
  03/12/2026 07 PM PDT            4.25            949         +              Normal
  03/12/2026 08 PM PDT            4.23            939         -              Normal
  03/12/2026 09 PM PDT            4.23            939         0              Normal
  03/12/2026 10 PM PDT            4.22            934         -              Normal
  03/12/2026 11 PM PDT            4.23            939         +              Normal
  03/13/2026 12 AM PDT            4.21            929         -              Normal
  03/13/2026 01 AM PDT            4.22            934         +              Normal
  03/13/2026 02 AM PDT            4.18            915         -              Normal
  03/13/2026 03 AM PDT            4.18            915         0              Normal
  03/13/2026 04 AM PDT            4.20            924         +              Normal
  03/13/2026 05 AM PDT            4.20            924         0              Normal
  03/13/2026 06 AM PDT            4.20            924         0              Normal
  03/13/2026 07 AM PDT            4.18            915         -              Normal
  03/13/2026 08 AM PDT            4.18            915         0              Normal
  03/13/2026 09 AM PDT            4.18            915         0              Normal
  03/13/2026 10 AM PDT            4.19            919         +              Normal
  03/13/2026 11 AM PDT            4.21            929         +              Normal
  03/13/2026 12 PM PDT            4.21            929         0              Normal
  03/13/2026 01 PM PDT            4.24            944         +              Normal
  03/13/2026 02 PM PDT            4.25            949         +              Normal
  03/13/2026 03 PM PDT            4.26            954         +              Normal
  03/13/2026 04 PM PDT            4.26            954         0              Normal
  03/13/2026 05 PM PDT            4.27            959         +              Normal
  03/13/2026 06 PM PDT            4.27            959         0              Normal
  03/13/2026 07 PM PDT            4.26            954         -              Normal
  03/13/2026 08 PM PDT            4.25            949         -              Normal
  03/13/2026 09 PM PDT            4.26            954         +              Normal
  03/13/2026 10 PM PDT            4.25            949         -              Normal
  03/13/2026 11 PM PDT            4.27            959         +              Normal
  03/14/2026 12 AM PDT            4.23            939         -              Normal
  03/14/2026 01 AM PDT            4.21            929         -              Normal
  03/14/2026 02 AM PDT            4.21            929         0              Normal
  03/14/2026 03 AM PDT            4.22            934         +              Normal
  03/14/2026 04 AM PDT            4.20            924         -              Normal
  03/14/2026 05 AM PDT            4.20            924         0              Normal
  03/14/2026 06 AM PDT            4.18            915         -              Normal
  03/14/2026 07 AM PDT            4.19            919         +              Normal
  03/14/2026 08 AM PDT            4.16            905         -              Normal
  03/14/2026 09 AM PDT            4.15            900         -              Normal
  03/14/2026 10 AM PDT            4.14            895         -              Normal
  03/14/2026 11 AM PDT            4.14            895         0              Normal
  03/14/2026 12 PM PDT            4.16            905         +              Normal
  03/14/2026 01 PM PDT            4.15            900         -              Normal
  03/14/2026 02 PM PDT            4.18            915         +              Normal
  03/14/2026 03 PM PDT            4.17            910         -              Normal
  03/14/2026 04 PM PDT            4.18            915         +              Normal
  03/14/2026 05 PM PDT            4.16            905         -              Normal
  03/14/2026 06 PM PDT            4.16            905         0              Normal
  03/14/2026 07 PM PDT            4.15            900         -              Normal
  03/14/2026 08 PM PDT            4.15            900         0              Normal
  03/14/2026 09 PM PDT            4.13            891         -              Normal
  03/14/2026 10 PM PDT            4.11            881         -              Normal
  03/14/2026 11 PM PDT            4.13            891         +              Normal
  03/15/2026 12 AM PDT            4.07            862         -              Normal
  03/15/2026 01 AM PDT            4.08            867         +              Normal
  03/15/2026 02 AM PDT            4.05            853         -              Normal
  03/15/2026 03 AM PDT            4.05            853         0              Normal
  03/15/2026 04 AM PDT            4.06            857         +              Normal
  03/15/2026 05 AM PDT            4.06            857         0              Normal
  03/15/2026 06 AM PDT            4.05            853         -              Normal
  03/15/2026 07 AM PDT            4.07            862         +              Normal
  03/15/2026 08 AM PDT            4.05            853         -              Normal
  03/15/2026 09 AM PDT            4.05            853         0              Normal
  03/15/2026 10 AM PDT            4.05            853         0              Normal
  03/15/2026 11 AM PDT            4.08            867         +              Normal
  03/15/2026 12 PM PDT            4.08            867         0              Normal
  03/15/2026 01 PM PDT            4.08            867         0              Normal
  03/15/2026 02 PM PDT            4.09            872         +              Normal
  03/15/2026 03 PM PDT            4.12            886         +              Normal
  03/15/2026 04 PM PDT            4.13            891         +              Normal
  03/15/2026 05 PM PDT            4.17            910         +              Normal
  03/15/2026 06 PM PDT            4.16            905         -              Normal
  03/15/2026 07 PM PDT            4.15            900         -              Normal
  03/15/2026 08 PM PDT            4.12            886         -              Normal
  03/15/2026 09 PM PDT            4.12            886         0              Normal
  03/15/2026 10 PM PDT            4.13            891         +              Normal
  03/15/2026 11 PM PDT            4.12            886         -              Normal
  03/16/2026 12 AM PDT            4.10            876         -              Normal
  03/16/2026 01 AM PDT            4.10            876         0              Normal
  03/16/2026 02 AM PDT            4.09            872         -              Normal
  03/16/2026 03 AM PDT            4.08            867         -              Normal
  03/16/2026 04 AM PDT            4.08            867         0              Normal
  03/16/2026 05 AM PDT            4.07            862         -              Normal
  03/16/2026 06 AM PDT            4.07            862         0              Normal
  03/16/2026 07 AM PDT            4.06            857         -              Normal
  03/16/2026 08 AM PDT            4.06            857         0              Normal
  03/16/2026 09 AM PDT            4.04            848         -              Normal
  03/16/2026 10 AM PDT            4.04            848         0              Normal
  03/16/2026 11 AM PDT            4.08            867         +              Normal
  03/16/2026 12 PM PDT            4.07            862         -              Normal
  03/16/2026 01 PM PDT            4.08            867         +              Normal
  03/16/2026 02 PM PDT            4.09            872         +              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/16/2026 03 PM PDT            4.10            876                        Normal
  03/16/2026 04 PM PDT            4.10            876         0              Normal
  03/16/2026 05 PM PDT            4.11            881         +              Normal
  03/16/2026 06 PM PDT            4.11            881         0              Normal
  03/16/2026 07 PM PDT            4.10            876         -              Normal
  03/16/2026 08 PM PDT            4.10            876         0              Normal
  03/16/2026 09 PM PDT            4.10            876         0              Normal
  03/16/2026 10 PM PDT            4.12            886         +              Normal
  03/16/2026 11 PM PDT            4.13            891         +              Normal
  03/17/2026 12 AM PDT            4.13            891         0              Normal
  03/17/2026 01 AM PDT            4.13            891         0              Normal
  03/17/2026 02 AM PDT            4.12            886         -              Normal
  03/17/2026 03 AM PDT            4.11            881         -              Normal
  03/17/2026 04 AM PDT            4.10            876         -              Normal
  03/17/2026 05 AM PDT            4.10            876         0              Normal
  03/17/2026 06 AM PDT            4.10            876         0              Normal
  03/17/2026 07 AM PDT            4.09            872         -              Normal
  03/17/2026 08 AM PDT            4.09            872         0              Normal
  03/17/2026 09 AM PDT            4.09            872         0              Normal
  03/17/2026 10 AM PDT            4.08            867         -              Normal
  03/17/2026 11 AM PDT            4.08            867         0              Normal
  03/17/2026 12 PM PDT            4.07            862         -              Normal
  03/17/2026 01 PM PDT            4.08            867         +              Normal
  03/17/2026 02 PM PDT            4.08            867         0              Normal
  03/17/2026 03 PM PDT            4.09            872         +              Normal
  03/17/2026 04 PM PDT            4.10            876         +              Normal
  03/17/2026 05 PM PDT            4.11            881         +              Normal
  03/17/2026 06 PM PDT            4.12            886         +              Normal
  03/17/2026 07 PM PDT            4.13            891         +              Normal
  03/17/2026 08 PM PDT            4.14            895         +              Normal
  03/17/2026 09 PM PDT            4.15            900         +              Normal
  03/17/2026 10 PM PDT            4.17            910         +              Normal
  03/17/2026 11 PM PDT            4.18            915         +              Normal
  03/18/2026 12 AM PDT            4.20            924         +              Normal
  03/18/2026 01 AM PDT            4.21            929         +              Normal
  03/18/2026 02 AM PDT            4.22            934         +              Normal
  03/18/2026 03 AM PDT            4.23            939         +              Normal
  03/18/2026 04 AM PDT            4.23            939         0              Normal
  03/18/2026 05 AM PDT            4.23            939         0              Normal
  03/18/2026 06 AM PDT            4.22            934         -              Normal
  03/18/2026 07 AM PDT            4.22            934         0              Normal
  03/18/2026 08 AM PDT            4.22            934         0              Normal
  03/18/2026 09 AM PDT            4.22            934         0              Normal
  03/18/2026 10 AM PDT            4.22            934         0              Normal
  03/18/2026 11 AM PDT            4.22            934         0              Normal
  03/18/2026 12 PM PDT            4.23            939         +              Normal
  03/18/2026 01 PM PDT            4.25            949         +              Normal
  03/18/2026 02 PM PDT            4.27            959         +              Normal
  03/18/2026 03 PM PDT            4.29            969         +              Normal
  03/18/2026 04 PM PDT            4.31            979         +              Normal
  03/18/2026 05 PM PDT            4.33            989         +              Normal
  03/18/2026 06 PM PDT            4.35            999         +              Normal
  03/18/2026 07 PM PDT            4.37           1009         +              Normal
  03/18/2026 08 PM PDT            4.39           1019         +              Normal
  03/18/2026 09 PM PDT            4.40           1025         +              Normal
  03/18/2026 10 PM PDT            4.40           1025         0              Normal
  03/18/2026 11 PM PDT            4.39           1019         -              Normal
  03/19/2026 12 AM PDT            4.38           1014         -              Normal
  03/19/2026 01 AM PDT            4.37           1009         -              Normal
  03/19/2026 02 AM PDT            4.36           1004         -              Normal
  03/19/2026 03 AM PDT            4.34            994         -              Normal
  03/19/2026 04 AM PDT            4.33            989         -              Normal
  03/19/2026 05 AM PDT            4.32            984         -              Normal
  03/19/2026 06 AM PDT            4.31            979         -              Normal
  03/19/2026 07 AM PDT            4.30            974         -              Normal
  03/19/2026 08 AM PDT            4.30            974         0              Normal
  03/19/2026 09 AM PDT            4.30            974         0              Normal
  03/19/2026 10 AM PDT            4.30            974         0              Normal
  03/19/2026 11 AM PDT            4.31            979         +              Normal
  03/19/2026 12 PM PDT            4.33            989         +              Normal
  03/19/2026 01 PM PDT            4.35            999         +              Normal
  03/19/2026 02 PM PDT            4.37           1009         +              Normal
  03/19/2026 03 PM PDT            4.39           1019         +              Normal
  03/19/2026 04 PM PDT            4.42           1035         +              Normal
  03/19/2026 05 PM PDT            4.44           1045         +              Normal
  03/19/2026 06 PM PDT            4.46           1056         +              Normal
  03/19/2026 07 PM PDT            4.48           1066         +              Normal
  03/19/2026 08 PM PDT            4.49           1072         +              Normal
  03/19/2026 09 PM PDT            4.49           1072         0              Normal
  03/19/2026 10 PM PDT            4.49           1072         0              Normal
  03/19/2026 11 PM PDT            4.48           1066         -              Normal
  03/20/2026 12 AM PDT            4.47           1061         -              Normal
  03/20/2026 01 AM PDT            4.45           1051         -              Normal
  03/20/2026 02 AM PDT            4.43           1040         -              Normal
  03/20/2026 03 AM PDT            4.42           1035         -              Normal
  03/20/2026 04 AM PDT            4.41           1030         -              Normal
  03/20/2026 05 AM PDT            4.39           1019         -              Normal
  03/20/2026 06 AM PDT            4.38           1014         -              Normal
  03/20/2026 07 AM PDT            4.38           1014         0              Normal
  03/20/2026 08 AM PDT            4.37           1009         -              Normal
  03/20/2026 09 AM PDT            4.37           1009         0              Normal
  03/20/2026 10 AM PDT            4.38           1014         +              Normal
  03/20/2026 11 AM PDT            4.39           1019         +              Normal
  03/20/2026 12 PM PDT            4.42           1035         +              Normal
  03/20/2026 01 PM PDT            4.44           1045         +              Normal
  03/20/2026 02 PM PDT            4.46           1056         +              Normal
  03/20/2026 03 PM PDT            4.49           1072         +              Normal
  03/20/2026 04 PM PDT            4.51           1082         +              Normal
  03/20/2026 05 PM PDT            4.54           1098         +              Normal
  03/20/2026 06 PM PDT            4.56           1109         +              Normal
  03/20/2026 07 PM PDT            4.58           1120         +              Normal
  03/20/2026 08 PM PDT            4.59           1125         +              Normal
  03/20/2026 09 PM PDT            4.60           1130         +              Normal
  03/20/2026 10 PM PDT            4.60           1130         0              Normal
  03/20/2026 11 PM PDT            4.59           1125         -              Normal
  03/21/2026 12 AM PDT            4.58           1120         -              Normal
  03/21/2026 01 AM PDT            4.57           1114         -              Normal
  03/21/2026 02 AM PDT            4.56           1109         -              Normal
  03/21/2026 03 AM PDT            4.54           1098         -              Normal
  03/21/2026 04 AM PDT            4.53           1093         -              Normal
  03/21/2026 05 AM PDT            4.51           1082         -              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.