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TRUCKEE RIVER - BELOW DERBY DAM (TBDN2)
| Latitude: 39.58º N | Longitude: 119.44º W | Elevation: 4200 Feet | | Forecast Type: Unofficial Location |
| Location: Storey County in Nevada | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
| Issuance Time: | Oct 11 2026 at 6:55 AM PDT | Next Issuance: | Oct 12 2026 at 9:00 AM PDT
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| Action: 10.0 Feet | Minor Flood: 11.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Truckee River - Below Derby Dam (TBDN2)
#
# File Generation Time: 10/11/2026 at 06:56 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 10/06/2026 at 07:00 AM PDT
# Maximum Observed Stage: 2.61 Feet
# Maximum Observed Flow: 264 cfs
#
# Earliest Date & Time of Maximum Forecast: 10/13/2026 at 09:00 AM PDT
# Maximum Forecast Stage: 2.75 Feet
# Maximum Forecast Flow: 304 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
10/06/2026 06 AM PDT 2.60 261 Normal
10/06/2026 07 AM PDT 2.61 264 + Normal
10/06/2026 08 AM PDT 2.60 261 - Normal
10/06/2026 09 AM PDT 2.58 256 - Normal
10/06/2026 10 AM PDT 2.58 256 0 Normal
10/06/2026 11 AM PDT 2.58 256 0 Normal
10/06/2026 12 PM PDT 2.57 253 - Normal
10/06/2026 01 PM PDT 2.54 245 - Normal
10/06/2026 02 PM PDT 2.56 250 + Normal
10/06/2026 03 PM PDT 2.54 245 - Normal
10/06/2026 04 PM PDT 2.57 253 + Normal
10/06/2026 05 PM PDT 2.53 242 - Normal
10/06/2026 06 PM PDT 2.51 237 - Normal
10/06/2026 07 PM PDT 2.51 237 0 Normal
10/06/2026 08 PM PDT 2.48 230 - Normal
10/06/2026 09 PM PDT 2.46 225 - Normal
10/06/2026 10 PM PDT 2.46 225 0 Normal
10/06/2026 11 PM PDT 2.47 227 + Normal
10/07/2026 12 AM PDT 2.49 232 + Normal
10/07/2026 01 AM PDT 2.48 230 - Normal
10/07/2026 02 AM PDT 2.50 235 + Normal
10/07/2026 03 AM PDT 2.51 237 + Normal
10/07/2026 04 AM PDT 2.49 232 - Normal
10/07/2026 05 AM PDT 2.44 220 - Normal
10/07/2026 06 AM PDT 2.42 215 - Normal
10/07/2026 07 AM PDT 2.41 212 - Normal
10/07/2026 08 AM PDT 2.40 210 - Normal
10/07/2026 09 AM PDT 2.41 212 + Normal
10/07/2026 10 AM PDT 2.40 210 - Normal
10/07/2026 11 AM PDT 2.39 208 - Normal
10/07/2026 12 PM PDT 2.39 208 0 Normal
10/07/2026 01 PM PDT 2.37 203 - Normal
10/07/2026 02 PM PDT 2.35 198 - Normal
10/07/2026 03 PM PDT 2.35 198 0 Normal
10/07/2026 04 PM PDT 2.34 196 - Normal
10/07/2026 05 PM PDT 2.33 194 - Normal
10/07/2026 06 PM PDT 2.33 194 0 Normal
10/07/2026 07 PM PDT 2.36 201 + Normal
10/07/2026 08 PM PDT 2.34 196 - Normal
10/07/2026 09 PM PDT 2.34 196 0 Normal
10/07/2026 10 PM PDT 2.31 189 - Normal
10/07/2026 11 PM PDT 2.33 194 + Normal
10/08/2026 12 AM PDT 2.30 187 - Normal
10/08/2026 01 AM PDT 2.32 191 + Normal
10/08/2026 02 AM PDT 2.31 189 - Normal
10/08/2026 03 AM PDT 2.31 189 0 Normal
10/08/2026 04 AM PDT 2.31 189 0 Normal
10/08/2026 05 AM PDT 2.34 196 + Normal
10/08/2026 06 AM PDT 2.36 201 + Normal
10/08/2026 07 AM PDT 2.40 210 + Normal
10/08/2026 08 AM PDT 2.44 220 + Normal
10/08/2026 09 AM PDT 2.42 215 - Normal
10/08/2026 10 AM PDT 2.44 220 + Normal
10/08/2026 11 AM PDT 2.40 210 - Normal
10/08/2026 12 PM PDT 2.36 201 - Normal
10/08/2026 01 PM PDT 2.35 198 - Normal
10/08/2026 02 PM PDT 2.33 194 - Normal
10/08/2026 03 PM PDT 2.33 194 0 Normal
10/08/2026 04 PM PDT 2.34 196 + Normal
10/08/2026 05 PM PDT 2.34 196 0 Normal
10/08/2026 06 PM PDT 2.33 194 - Normal
10/08/2026 07 PM PDT 2.32 191 - Normal
10/08/2026 08 PM PDT 2.33 194 + Normal
10/08/2026 09 PM PDT 2.34 196 + Normal
10/08/2026 10 PM PDT 2.35 198 + Normal
10/08/2026 11 PM PDT 2.37 203 + Normal
10/09/2026 12 AM PDT 2.40 210 + Normal
10/09/2026 01 AM PDT 2.40 210 0 Normal
10/09/2026 02 AM PDT 2.40 210 0 Normal
10/09/2026 03 AM PDT 2.38 205 - Normal
10/09/2026 04 AM PDT 2.38 205 0 Normal
10/09/2026 05 AM PDT 2.37 203 - Normal
10/09/2026 06 AM PDT 2.35 198 - Normal
10/09/2026 07 AM PDT 2.35 198 0 Normal
10/09/2026 08 AM PDT 2.35 198 0 Normal
10/09/2026 09 AM PDT 2.35 198 0 Normal
10/09/2026 10 AM PDT 2.35 198 0 Normal
10/09/2026 11 AM PDT 2.38 205 + Normal
10/09/2026 12 PM PDT 2.38 205 0 Normal
10/09/2026 01 PM PDT 2.41 212 + Normal
10/09/2026 02 PM PDT 2.41 212 0 Normal
10/09/2026 03 PM PDT 2.42 215 + Normal
10/09/2026 04 PM PDT 2.40 210 - Normal
10/09/2026 05 PM PDT 2.36 201 - Normal
10/09/2026 06 PM PDT 2.36 201 0 Normal
10/09/2026 07 PM PDT 2.30 187 - Normal
10/09/2026 08 PM PDT 2.29 184 - Normal
10/09/2026 09 PM PDT 2.31 189 + Normal
10/09/2026 10 PM PDT 2.32 191 + Normal
10/09/2026 11 PM PDT 2.34 196 + Normal
10/10/2026 12 AM PDT 2.33 194 - Normal
10/10/2026 01 AM PDT 2.38 205 + Normal
10/10/2026 02 AM PDT 2.38 205 0 Normal
10/10/2026 03 AM PDT 2.39 208 + Normal
10/10/2026 04 AM PDT 2.36 201 - Normal
10/10/2026 05 AM PDT 2.36 201 0 Normal
10/10/2026 06 AM PDT 2.40 210 + Normal
10/10/2026 07 AM PDT 2.39 208 - Normal
10/10/2026 08 AM PDT 2.38 205 - Normal
10/10/2026 09 AM PDT 2.36 201 - Normal
10/10/2026 10 AM PDT 2.37 203 + Normal
10/10/2026 11 AM PDT 2.38 205 + Normal
10/10/2026 12 PM PDT 2.41 212 + Normal
10/10/2026 01 PM PDT 2.44 220 + Normal
10/10/2026 02 PM PDT 2.46 225 + Normal
10/10/2026 03 PM PDT 2.46 225 0 Normal
10/10/2026 04 PM PDT 2.37 203 - Normal
10/10/2026 05 PM PDT 2.41 212 + Normal
10/10/2026 06 PM PDT 2.45 222 + Normal
10/10/2026 07 PM PDT 2.41 212 - Normal
10/10/2026 08 PM PDT 2.43 217 + Normal
10/10/2026 09 PM PDT 2.41 212 - Normal
10/10/2026 10 PM PDT 2.40 210 - Normal
10/10/2026 11 PM PDT 2.39 208 - Normal
10/11/2026 12 AM PDT 2.40 210 + Normal
10/11/2026 01 AM PDT 2.41 212 + Normal
10/11/2026 02 AM PDT 2.38 205 - Normal
10/11/2026 03 AM PDT 2.38 205 0 Normal
10/11/2026 04 AM PDT 2.39 208 + Normal
10/11/2026 05 AM PDT 2.40 210 + Normal
10/11/2026 06 AM PDT 2.45 222 + Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
10/11/2026 07 AM PDT 2.50 235 Normal
10/11/2026 08 AM PDT 2.53 242 + Normal
10/11/2026 09 AM PDT 2.52 240 - Normal
10/11/2026 10 AM PDT 2.50 235 - Normal
10/11/2026 11 AM PDT 2.48 230 - Normal
10/11/2026 12 PM PDT 2.47 227 - Normal
10/11/2026 01 PM PDT 2.47 227 0 Normal
10/11/2026 02 PM PDT 2.46 225 - Normal
10/11/2026 03 PM PDT 2.47 227 + Normal
10/11/2026 04 PM PDT 2.47 227 0 Normal
10/11/2026 05 PM PDT 2.47 227 0 Normal
10/11/2026 06 PM PDT 2.47 227 0 Normal
10/11/2026 07 PM PDT 2.47 227 0 Normal
10/11/2026 08 PM PDT 2.47 227 0 Normal
10/11/2026 09 PM PDT 2.47 227 0 Normal
10/11/2026 10 PM PDT 2.48 230 + Normal
10/11/2026 11 PM PDT 2.48 230 0 Normal
10/12/2026 12 AM PDT 2.49 232 + Normal
10/12/2026 01 AM PDT 2.50 235 + Normal
10/12/2026 02 AM PDT 2.50 235 0 Normal
10/12/2026 03 AM PDT 2.50 235 0 Normal
10/12/2026 04 AM PDT 2.50 235 0 Normal
10/12/2026 05 AM PDT 2.51 237 + Normal
10/12/2026 06 AM PDT 2.52 240 + Normal
10/12/2026 07 AM PDT 2.52 240 0 Normal
10/12/2026 08 AM PDT 2.52 240 0 Normal
10/12/2026 09 AM PDT 2.52 240 0 Normal
10/12/2026 10 AM PDT 2.52 240 0 Normal
10/12/2026 11 AM PDT 2.53 242 + Normal
10/12/2026 12 PM PDT 2.54 245 + Normal
10/12/2026 01 PM PDT 2.54 245 0 Normal
10/12/2026 02 PM PDT 2.55 248 + Normal
10/12/2026 03 PM PDT 2.56 250 + Normal
10/12/2026 04 PM PDT 2.56 250 0 Normal
10/12/2026 05 PM PDT 2.56 250 0 Normal
10/12/2026 06 PM PDT 2.56 250 0 Normal
10/12/2026 07 PM PDT 2.56 250 0 Normal
10/12/2026 08 PM PDT 2.56 250 0 Normal
10/12/2026 09 PM PDT 2.57 253 + Normal
10/12/2026 10 PM PDT 2.58 256 + Normal
10/12/2026 11 PM PDT 2.60 261 + Normal
10/13/2026 12 AM PDT 2.62 267 + Normal
10/13/2026 01 AM PDT 2.64 272 + Normal
10/13/2026 02 AM PDT 2.66 278 + Normal
10/13/2026 03 AM PDT 2.69 286 + Normal
10/13/2026 04 AM PDT 2.72 295 + Normal
10/13/2026 05 AM PDT 2.73 298 + Normal
10/13/2026 06 AM PDT 2.73 298 0 Normal
10/13/2026 07 AM PDT 2.73 298 0 Normal
10/13/2026 08 AM PDT 2.74 301 + Normal
10/13/2026 09 AM PDT 2.75 304 + Normal
10/13/2026 10 AM PDT 2.75 304 0 Normal
10/13/2026 11 AM PDT 2.73 298 - Normal
10/13/2026 12 PM PDT 2.71 292 - Normal
10/13/2026 01 PM PDT 2.69 286 - Normal
10/13/2026 02 PM PDT 2.68 283 - Normal
10/13/2026 03 PM PDT 2.67 280 - Normal
10/13/2026 04 PM PDT 2.67 280 0 Normal
10/13/2026 05 PM PDT 2.65 275 - Normal
10/13/2026 06 PM PDT 2.64 272 - Normal
10/13/2026 07 PM PDT 2.63 269 - Normal
10/13/2026 08 PM PDT 2.62 267 - Normal
10/13/2026 09 PM PDT 2.61 264 - Normal
10/13/2026 10 PM PDT 2.60 261 - Normal
10/13/2026 11 PM PDT 2.59 258 - Normal
10/14/2026 12 AM PDT 2.57 253 - Normal
10/14/2026 01 AM PDT 2.56 250 - Normal
10/14/2026 02 AM PDT 2.55 248 - Normal
10/14/2026 03 AM PDT 2.54 245 - Normal
10/14/2026 04 AM PDT 2.53 242 - Normal
10/14/2026 05 AM PDT 2.54 245 + Normal
10/14/2026 06 AM PDT 2.54 245 0 Normal
10/14/2026 07 AM PDT 2.54 245 0 Normal
10/14/2026 08 AM PDT 2.53 242 - Normal
10/14/2026 09 AM PDT 2.53 242 0 Normal
10/14/2026 10 AM PDT 2.53 242 0 Normal
10/14/2026 11 AM PDT 2.53 242 0 Normal
10/14/2026 12 PM PDT 2.53 242 0 Normal
10/14/2026 01 PM PDT 2.53 242 0 Normal
10/14/2026 02 PM PDT 2.54 245 + Normal
10/14/2026 03 PM PDT 2.54 245 0 Normal
10/14/2026 04 PM PDT 2.54 245 0 Normal
10/14/2026 05 PM PDT 2.53 242 - Normal
10/14/2026 06 PM PDT 2.53 242 0 Normal
10/14/2026 07 PM PDT 2.53 242 0 Normal
10/14/2026 08 PM PDT 2.53 242 0 Normal
10/14/2026 09 PM PDT 2.52 240 - Normal
10/14/2026 10 PM PDT 2.52 240 0 Normal
10/14/2026 11 PM PDT 2.52 240 0 Normal
10/15/2026 12 AM PDT 2.52 240 0 Normal
10/15/2026 01 AM PDT 2.52 240 0 Normal
10/15/2026 02 AM PDT 2.51 237 - Normal
10/15/2026 03 AM PDT 2.51 237 0 Normal
10/15/2026 04 AM PDT 2.52 240 + Normal
10/15/2026 05 AM PDT 2.52 240 0 Normal
10/15/2026 06 AM PDT 2.52 240 0 Normal
10/15/2026 07 AM PDT 2.53 242 + Normal
10/15/2026 08 AM PDT 2.53 242 0 Normal
10/15/2026 09 AM PDT 2.53 242 0 Normal
10/15/2026 10 AM PDT 2.53 242 0 Normal
10/15/2026 11 AM PDT 2.52 240 - Normal
10/15/2026 12 PM PDT 2.52 240 0 Normal
10/15/2026 01 PM PDT 2.52 240 0 Normal
10/15/2026 02 PM PDT 2.52 240 0 Normal
10/15/2026 03 PM PDT 2.52 240 0 Normal
10/15/2026 04 PM PDT 2.52 240 0 Normal
10/15/2026 05 PM PDT 2.52 240 0 Normal
10/15/2026 06 PM PDT 2.52 240 0 Normal
10/15/2026 07 PM PDT 2.52 240 0 Normal
10/15/2026 08 PM PDT 2.52 240 0 Normal
10/15/2026 09 PM PDT 2.52 240 0 Normal
10/15/2026 10 PM PDT 2.52 240 0 Normal
10/15/2026 11 PM PDT 2.52 240 0 Normal
10/16/2026 12 AM PDT 2.52 240 0 Normal
10/16/2026 01 AM PDT 2.52 240 0 Normal
10/16/2026 02 AM PDT 2.52 240 0 Normal
10/16/2026 03 AM PDT 2.52 240 0 Normal
10/16/2026 04 AM PDT 2.52 240 0 Normal
10/16/2026 05 AM PDT 2.53 242 + 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.
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