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: Feb 09 2026 at 1:02 PM PSTNext Issuance: Feb 10 2026 at 9:00 AM PST
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:  02/09/2026 at 01:05 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  02/08/2026 at 03:00 PM PST
# Maximum Observed Stage:                       2.05 Feet
# Maximum Observed Flow:                        130 cfs
#
# Earliest Date & Time of Maximum Forecast:     02/12/2026 at 01:00 AM PST
# Maximum Forecast Stage:                       2.70 Feet
# Maximum Forecast Flow:                        283 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  02/04/2026 01 PM PST            1.94            111                        Normal
  02/04/2026 02 PM PST            1.95            113         +              Normal
  02/04/2026 03 PM PST            1.94            111         -              Normal
  02/04/2026 04 PM PST            1.94            111         0              Normal
  02/04/2026 05 PM PST            1.94            111         0              Normal
  02/04/2026 06 PM PST            1.94            111         0              Normal
  02/04/2026 07 PM PST            1.94            111         0              Normal
  02/04/2026 08 PM PST            1.94            111         0              Normal
  02/04/2026 09 PM PST            1.93            109         -              Normal
  02/04/2026 10 PM PST            1.93            109         0              Normal
  02/04/2026 11 PM PST            1.93            109         0              Normal
  02/05/2026 12 AM PST            1.93            109         0              Normal
  02/05/2026 01 AM PST            1.93            109         0              Normal
  02/05/2026 02 AM PST            1.93            109         0              Normal
  02/05/2026 03 AM PST            1.93            109         0              Normal
  02/05/2026 04 AM PST            1.93            109         0              Normal
  02/05/2026 05 AM PST            1.93            109         0              Normal
  02/05/2026 06 AM PST            1.93            109         0              Normal
  02/05/2026 07 AM PST            1.93            109         0              Normal
  02/05/2026 08 AM PST            1.93            109         0              Normal
  02/05/2026 09 AM PST            1.93            109         0              Normal
  02/05/2026 10 AM PST            1.93            109         0              Normal
  02/05/2026 11 AM PST            1.93            109         0              Normal
  02/05/2026 12 PM PST            1.94            111         +              Normal
  02/05/2026 01 PM PST            1.94            111         0              Normal
  02/05/2026 02 PM PST            1.94            111         0              Normal
  02/05/2026 03 PM PST            1.94            111         0              Normal
  02/05/2026 04 PM PST            1.94            111         0              Normal
  02/05/2026 05 PM PST            1.94            111         0              Normal
  02/05/2026 06 PM PST            1.93            109         -              Normal
  02/05/2026 07 PM PST            1.93            109         0              Normal
  02/05/2026 08 PM PST            1.92            108         -              Normal
  02/05/2026 09 PM PST            1.92            108         0              Normal
  02/05/2026 10 PM PST            1.92            108         0              Normal
  02/05/2026 11 PM PST            1.92            108         0              Normal
  02/06/2026 12 AM PST            1.92            108         0              Normal
  02/06/2026 01 AM PST            1.93            109         +              Normal
  02/06/2026 02 AM PST            1.93            109         0              Normal
  02/06/2026 03 AM PST            1.93            109         0              Normal
  02/06/2026 04 AM PST            1.93            109         0              Normal
  02/06/2026 05 AM PST            1.94            111         +              Normal
  02/06/2026 06 AM PST            1.94            111         0              Normal
  02/06/2026 07 AM PST            1.94            111         0              Normal
  02/06/2026 08 AM PST            1.94            111         0              Normal
  02/06/2026 09 AM PST            1.93            109         -              Normal
  02/06/2026 10 AM PST            1.95            113         +              Normal
  02/06/2026 11 AM PST            1.95            113         0              Normal
  02/06/2026 12 PM PST            1.95            113         0              Normal
  02/06/2026 01 PM PST            1.95            113         0              Normal
  02/06/2026 02 PM PST            1.95            113         0              Normal
  02/06/2026 03 PM PST            1.95            113         0              Normal
  02/06/2026 04 PM PST            1.94            111         -              Normal
  02/06/2026 05 PM PST            1.95            113         +              Normal
  02/06/2026 06 PM PST            1.94            111         -              Normal
  02/06/2026 07 PM PST            1.94            111         0              Normal
  02/06/2026 08 PM PST            1.94            111         0              Normal
  02/06/2026 09 PM PST            1.94            111         0              Normal
  02/06/2026 10 PM PST            1.93            109         -              Normal
  02/06/2026 11 PM PST            1.93            109         0              Normal
  02/07/2026 12 AM PST            1.93            109         0              Normal
  02/07/2026 01 AM PST            1.93            109         0              Normal
  02/07/2026 02 AM PST            1.93            109         0              Normal
  02/07/2026 03 AM PST            1.93            109         0              Normal
  02/07/2026 04 AM PST            1.93            109         0              Normal
  02/07/2026 05 AM PST            1.93            109         0              Normal
  02/07/2026 06 AM PST            1.93            109         0              Normal
  02/07/2026 07 AM PST            1.92            108         -              Normal
  02/07/2026 08 AM PST            1.92            108         0              Normal
  02/07/2026 09 AM PST            1.92            108         0              Normal
  02/07/2026 10 AM PST            1.92            108         0              Normal
  02/07/2026 11 AM PST            1.92            108         0              Normal
  02/07/2026 12 PM PST            1.93            109         +              Normal
  02/07/2026 01 PM PST            1.94            111         +              Normal
  02/07/2026 02 PM PST            1.94            111         0              Normal
  02/07/2026 03 PM PST            1.95            113         +              Normal
  02/07/2026 04 PM PST            1.95            113         0              Normal
  02/07/2026 05 PM PST            1.96            114         +              Normal
  02/07/2026 06 PM PST            1.95            113         -              Normal
  02/07/2026 07 PM PST            1.95            113         0              Normal
  02/07/2026 08 PM PST            1.95            113         0              Normal
  02/07/2026 09 PM PST            1.96            114         +              Normal
  02/07/2026 10 PM PST            1.96            114         0              Normal
  02/07/2026 11 PM PST            1.96            114         0              Normal
  02/08/2026 12 AM PST            1.96            114         0              Normal
  02/08/2026 01 AM PST            1.96            114         0              Normal
  02/08/2026 02 AM PST            1.96            114         0              Normal
  02/08/2026 03 AM PST            1.96            114         0              Normal
  02/08/2026 04 AM PST            1.96            114         0              Normal
  02/08/2026 05 AM PST            1.98            118         +              Normal
  02/08/2026 06 AM PST            1.97            116         -              Normal
  02/08/2026 07 AM PST            1.98            118         +              Normal
  02/08/2026 08 AM PST            1.98            118         0              Normal
  02/08/2026 09 AM PST            1.97            116         -              Normal
  02/08/2026 10 AM PST            1.97            116         0              Normal
  02/08/2026 11 AM PST            1.97            116         0              Normal
  02/08/2026 12 PM PST            1.97            116         0              Normal
  02/08/2026 01 PM PST            1.98            118         +              Normal
  02/08/2026 02 PM PST            1.98            118         0              Normal
  02/08/2026 03 PM PST            2.05            130         +              Normal
  02/08/2026 04 PM PST            1.98            118         -              Normal
  02/08/2026 05 PM PST            2.02            125         +              Normal
  02/08/2026 06 PM PST            1.97            116         -              Normal
  02/08/2026 07 PM PST            1.99            120         +              Normal
  02/08/2026 08 PM PST            1.98            118         -              Normal
  02/08/2026 09 PM PST            1.96            114         -              Normal
  02/08/2026 10 PM PST            1.96            114         0              Normal
  02/08/2026 11 PM PST            1.96            114         0              Normal
  02/09/2026 12 AM PST            1.98            118         +              Normal
  02/09/2026 01 AM PST            1.96            114         -              Normal
  02/09/2026 02 AM PST            1.95            113         -              Normal
  02/09/2026 03 AM PST            1.96            114         +              Normal
  02/09/2026 04 AM PST            2.00            121         +              Normal
  02/09/2026 05 AM PST            1.97            116         -              Normal
  02/09/2026 06 AM PST            1.96            114         -              Normal
  02/09/2026 07 AM PST            1.96            114         0              Normal
  02/09/2026 08 AM PST            1.96            114         0              Normal
  02/09/2026 09 AM PST            1.96            114         0              Normal
  02/09/2026 10 AM PST            1.97            116         +              Normal
  02/09/2026 11 AM PST            1.97            116         0              Normal
  02/09/2026 12 PM PST            1.97            116         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  02/09/2026 01 PM PST            1.98            118                        Normal
  02/09/2026 02 PM PST            1.98            118         0              Normal
  02/09/2026 03 PM PST            1.98            118         0              Normal
  02/09/2026 04 PM PST            1.97            116         -              Normal
  02/09/2026 05 PM PST            1.97            116         0              Normal
  02/09/2026 06 PM PST            1.98            118         +              Normal
  02/09/2026 07 PM PST            2.00            121         +              Normal
  02/09/2026 08 PM PST            2.00            121         0              Normal
  02/09/2026 09 PM PST            2.00            121         0              Normal
  02/09/2026 10 PM PST            2.01            123         +              Normal
  02/09/2026 11 PM PST            2.03            127         +              Normal
  02/10/2026 12 AM PST            2.04            129         +              Normal
  02/10/2026 01 AM PST            2.06            132         +              Normal
  02/10/2026 02 AM PST            2.07            134         +              Normal
  02/10/2026 03 AM PST            2.08            136         +              Normal
  02/10/2026 04 AM PST            2.09            138         +              Normal
  02/10/2026 05 AM PST            2.09            138         0              Normal
  02/10/2026 06 AM PST            2.08            136         -              Normal
  02/10/2026 07 AM PST            2.06            132         -              Normal
  02/10/2026 08 AM PST            2.04            129         -              Normal
  02/10/2026 09 AM PST            2.06            132         +              Normal
  02/10/2026 10 AM PST            2.11            142         +              Normal
  02/10/2026 11 AM PST            2.15            150         +              Normal
  02/10/2026 12 PM PST            2.16            152         +              Normal
  02/10/2026 01 PM PST            2.14            148         -              Normal
  02/10/2026 02 PM PST            2.12            144         -              Normal
  02/10/2026 03 PM PST            2.10            140         -              Normal
  02/10/2026 04 PM PST            2.08            136         -              Normal
  02/10/2026 05 PM PST            2.06            132         -              Normal
  02/10/2026 06 PM PST            2.06            132         0              Normal
  02/10/2026 07 PM PST            2.07            134         +              Normal
  02/10/2026 08 PM PST            2.09            138         +              Normal
  02/10/2026 09 PM PST            2.12            144         +              Normal
  02/10/2026 10 PM PST            2.18            156         +              Normal
  02/10/2026 11 PM PST            2.23            166         +              Normal
  02/11/2026 12 AM PST            2.24            169         +              Normal
  02/11/2026 01 AM PST            2.25            171         +              Normal
  02/11/2026 02 AM PST            2.26            173         +              Normal
  02/11/2026 03 AM PST            2.31            184         +              Normal
  02/11/2026 04 AM PST            2.41            208         +              Normal
  02/11/2026 05 AM PST            2.53            237         +              Normal
  02/11/2026 06 AM PST            2.60            256         +              Normal
  02/11/2026 07 AM PST            2.62            261         +              Normal
  02/11/2026 08 AM PST            2.62            261         0              Normal
  02/11/2026 09 AM PST            2.62            261         0              Normal
  02/11/2026 10 AM PST            2.61            258         -              Normal
  02/11/2026 11 AM PST            2.60            256         -              Normal
  02/11/2026 12 PM PST            2.60            256         0              Normal
  02/11/2026 01 PM PST            2.59            253         -              Normal
  02/11/2026 02 PM PST            2.59            253         0              Normal
  02/11/2026 03 PM PST            2.58            250         -              Normal
  02/11/2026 04 PM PST            2.56            245         -              Normal
  02/11/2026 05 PM PST            2.56            245         0              Normal
  02/11/2026 06 PM PST            2.55            242         -              Normal
  02/11/2026 07 PM PST            2.54            240         -              Normal
  02/11/2026 08 PM PST            2.55            242         +              Normal
  02/11/2026 09 PM PST            2.58            250         +              Normal
  02/11/2026 10 PM PST            2.63            264         +              Normal
  02/11/2026 11 PM PST            2.67            275         +              Normal
  02/12/2026 12 AM PST            2.69            280         +              Normal
  02/12/2026 01 AM PST            2.70            283         +              Normal
  02/12/2026 02 AM PST            2.69            280         -              Normal
  02/12/2026 03 AM PST            2.66            272         -              Normal
  02/12/2026 04 AM PST            2.61            258         -              Normal
  02/12/2026 05 AM PST            2.56            245         -              Normal
  02/12/2026 06 AM PST            2.51            232         -              Normal
  02/12/2026 07 AM PST            2.47            222         -              Normal
  02/12/2026 08 AM PST            2.43            212         -              Normal
  02/12/2026 09 AM PST            2.39            203         -              Normal
  02/12/2026 10 AM PST            2.35            194         -              Normal
  02/12/2026 11 AM PST            2.32            187         -              Normal
  02/12/2026 12 PM PST            2.29            180         -              Normal
  02/12/2026 01 PM PST            2.26            173         -              Normal
  02/12/2026 02 PM PST            2.24            169         -              Normal
  02/12/2026 03 PM PST            2.22            164         -              Normal
  02/12/2026 04 PM PST            2.20            160         -              Normal
  02/12/2026 05 PM PST            2.18            156         -              Normal
  02/12/2026 06 PM PST            2.16            152         -              Normal
  02/12/2026 07 PM PST            2.15            150         -              Normal
  02/12/2026 08 PM PST            2.13            146         -              Normal
  02/12/2026 09 PM PST            2.12            144         -              Normal
  02/12/2026 10 PM PST            2.12            144         0              Normal
  02/12/2026 11 PM PST            2.11            142         -              Normal
  02/13/2026 12 AM PST            2.10            140         -              Normal
  02/13/2026 01 AM PST            2.10            140         0              Normal
  02/13/2026 02 AM PST            2.09            138         -              Normal
  02/13/2026 03 AM PST            2.08            136         -              Normal
  02/13/2026 04 AM PST            2.07            134         -              Normal
  02/13/2026 05 AM PST            2.06            132         -              Normal
  02/13/2026 06 AM PST            2.06            132         0              Normal
  02/13/2026 07 AM PST            2.05            130         -              Normal
  02/13/2026 08 AM PST            2.04            129         -              Normal
  02/13/2026 09 AM PST            2.03            127         -              Normal
  02/13/2026 10 AM PST            2.02            125         -              Normal
  02/13/2026 11 AM PST            2.01            123         -              Normal
  02/13/2026 12 PM PST            2.00            121         -              Normal
  02/13/2026 01 PM PST            1.99            120         -              Normal
  02/13/2026 02 PM PST            1.98            118         -              Normal
  02/13/2026 03 PM PST            1.98            118         0              Normal
  02/13/2026 04 PM PST            1.97            116         -              Normal
  02/13/2026 05 PM PST            1.97            116         0              Normal
  02/13/2026 06 PM PST            1.96            114         -              Normal
  02/13/2026 07 PM PST            1.96            114         0              Normal
  02/13/2026 08 PM PST            1.96            114         0              Normal
  02/13/2026 09 PM PST            1.96            114         0              Normal
  02/13/2026 10 PM PST            1.96            114         0              Normal
  02/13/2026 11 PM PST            1.96            114         0              Normal
  02/14/2026 12 AM PST            1.97            116         +              Normal
  02/14/2026 01 AM PST            1.97            116         0              Normal
  02/14/2026 02 AM PST            1.97            116         0              Normal
  02/14/2026 03 AM PST            1.97            116         0              Normal
  02/14/2026 04 AM PST            1.97            116         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.