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WEST WALKER RIVER - BELOW LITTLE WALKER RIVER NEAR COLEVILLE (WWBC1)
| Latitude: 38.38º N | Longitude: 119.45º W | Elevation: 6591 Feet | | Forecast Type: Official Location |
| Location: Mono County in California | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
| Issuance Time: | Mar 13 2026 at 1:09 PM PDT | Next Issuance: | Mar 14 2026 at 9:00 AM PDT
| |
| Action/Monitor: 5.5 Feet | Minor Flood: 6.0 Feet | Moderate Flood: 6.8 Feet | Major Flood: 7.3 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: West Walker River - Blo Ltl Walker Nr Coleville (WWBC1)
#
# File Generation Time: 03/13/2026 at 01:10 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/13/2026 at 04:00 AM PDT
# Maximum Observed Stage: 2.23 Feet
# Maximum Observed Flow: 276 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/18/2026 at 06:00 AM PDT
# Maximum Forecast Stage: 3.41 Feet
# Maximum Forecast Flow: 728 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/08/2026 01 PM PDT 1.95 204 Normal
03/08/2026 02 PM PDT 1.95 204 0 Normal
03/08/2026 03 PM PDT 1.95 204 0 Normal
03/08/2026 04 PM PDT 1.94 201 - Normal
03/08/2026 05 PM PDT 1.94 201 0 Normal
03/08/2026 06 PM PDT 1.95 204 + Normal
03/08/2026 07 PM PDT 1.96 206 + Normal
03/08/2026 08 PM PDT 1.98 211 + Normal
03/08/2026 09 PM PDT 2.00 216 + Normal
03/08/2026 10 PM PDT 2.02 220 + Normal
03/08/2026 11 PM PDT 2.03 223 + Normal
03/09/2026 12 AM PDT 2.04 225 + Normal
03/09/2026 01 AM PDT 2.05 228 + Normal
03/09/2026 02 AM PDT 2.05 228 0 Normal
03/09/2026 03 AM PDT 2.04 225 - Normal
03/09/2026 04 AM PDT 2.05 228 + Normal
03/09/2026 05 AM PDT 2.04 225 - Normal
03/09/2026 06 AM PDT 2.04 225 0 Normal
03/09/2026 07 AM PDT 2.03 223 - Normal
03/09/2026 08 AM PDT 2.02 220 - Normal
03/09/2026 09 AM PDT 2.02 220 0 Normal
03/09/2026 10 AM PDT 2.02 220 0 Normal
03/09/2026 11 AM PDT 2.01 218 - Normal
03/09/2026 12 PM PDT 2.00 216 - Normal
03/09/2026 01 PM PDT 2.00 216 0 Normal
03/09/2026 02 PM PDT 2.00 216 0 Normal
03/09/2026 03 PM PDT 2.00 216 0 Normal
03/09/2026 04 PM PDT 2.00 216 0 Normal
03/09/2026 05 PM PDT 1.99 213 - Normal
03/09/2026 06 PM PDT 2.01 218 + Normal
03/09/2026 07 PM PDT 2.01 218 0 Normal
03/09/2026 08 PM PDT 2.04 225 + Normal
03/09/2026 09 PM PDT 2.06 230 + Normal
03/09/2026 10 PM PDT 2.08 235 + Normal
03/09/2026 11 PM PDT 2.10 240 + Normal
03/10/2026 12 AM PDT 2.10 240 0 Normal
03/10/2026 01 AM PDT 2.11 243 + Normal
03/10/2026 02 AM PDT 2.12 246 + Normal
03/10/2026 03 AM PDT 2.11 243 - Normal
03/10/2026 04 AM PDT 2.11 243 0 Normal
03/10/2026 05 AM PDT 2.11 243 0 Normal
03/10/2026 06 AM PDT 2.10 240 - Normal
03/10/2026 07 AM PDT 2.10 240 0 Normal
03/10/2026 08 AM PDT 2.09 238 - Normal
03/10/2026 09 AM PDT 2.09 238 0 Normal
03/10/2026 10 AM PDT 2.09 238 0 Normal
03/10/2026 11 AM PDT 2.08 235 - Normal
03/10/2026 12 PM PDT 2.07 233 - Normal
03/10/2026 01 PM PDT 2.06 230 - Normal
03/10/2026 02 PM PDT 2.06 230 0 Normal
03/10/2026 03 PM PDT 2.05 228 - Normal
03/10/2026 04 PM PDT 2.05 228 0 Normal
03/10/2026 05 PM PDT 2.04 225 - Normal
03/10/2026 06 PM PDT 2.04 225 0 Normal
03/10/2026 07 PM PDT 2.06 230 + Normal
03/10/2026 08 PM PDT 2.07 233 + Normal
03/10/2026 09 PM PDT 2.09 238 + Normal
03/10/2026 10 PM PDT 2.09 238 0 Normal
03/10/2026 11 PM PDT 2.10 240 + Normal
03/11/2026 12 AM PDT 2.11 243 + Normal
03/11/2026 01 AM PDT 2.11 243 0 Normal
03/11/2026 02 AM PDT 2.11 243 0 Normal
03/11/2026 03 AM PDT 2.10 240 - Normal
03/11/2026 04 AM PDT 2.10 240 0 Normal
03/11/2026 05 AM PDT 2.10 240 0 Normal
03/11/2026 06 AM PDT 2.10 240 0 Normal
03/11/2026 07 AM PDT 2.09 238 - Normal
03/11/2026 08 AM PDT 2.08 235 - Normal
03/11/2026 09 AM PDT 2.08 235 0 Normal
03/11/2026 10 AM PDT 2.08 235 0 Normal
03/11/2026 11 AM PDT 2.07 233 - Normal
03/11/2026 12 PM PDT 2.07 233 0 Normal
03/11/2026 01 PM PDT 2.07 233 0 Normal
03/11/2026 02 PM PDT 2.06 230 - Normal
03/11/2026 03 PM PDT 2.06 230 0 Normal
03/11/2026 04 PM PDT 2.06 230 0 Normal
03/11/2026 05 PM PDT 2.06 230 0 Normal
03/11/2026 06 PM PDT 2.06 230 0 Normal
03/11/2026 07 PM PDT 2.07 233 + Normal
03/11/2026 08 PM PDT 2.08 235 + Normal
03/11/2026 09 PM PDT 2.10 240 + Normal
03/11/2026 10 PM PDT 2.12 246 + Normal
03/11/2026 11 PM PDT 2.13 248 + Normal
03/12/2026 12 AM PDT 2.14 251 + Normal
03/12/2026 01 AM PDT 2.14 251 0 Normal
03/12/2026 02 AM PDT 2.14 251 0 Normal
03/12/2026 03 AM PDT 2.15 254 + Normal
03/12/2026 04 AM PDT 2.14 251 - Normal
03/12/2026 05 AM PDT 2.14 251 0 Normal
03/12/2026 06 AM PDT 2.14 251 0 Normal
03/12/2026 07 AM PDT 2.13 248 - Normal
03/12/2026 08 AM PDT 2.13 248 0 Normal
03/12/2026 09 AM PDT 2.13 248 0 Normal
03/12/2026 10 AM PDT 2.12 246 - Normal
03/12/2026 11 AM PDT 2.11 243 - Normal
03/12/2026 12 PM PDT 2.11 243 0 Normal
03/12/2026 01 PM PDT 2.11 243 0 Normal
03/12/2026 02 PM PDT 2.11 243 0 Normal
03/12/2026 03 PM PDT 2.10 240 - Normal
03/12/2026 04 PM PDT 2.10 240 0 Normal
03/12/2026 05 PM PDT 2.10 240 0 Normal
03/12/2026 06 PM PDT 2.11 243 + Normal
03/12/2026 07 PM PDT 2.11 243 0 Normal
03/12/2026 08 PM PDT 2.14 251 + Normal
03/12/2026 09 PM PDT 2.16 256 + Normal
03/12/2026 10 PM PDT 2.19 264 + Normal
03/12/2026 11 PM PDT 2.20 267 + Normal
03/13/2026 12 AM PDT 2.22 273 + Normal
03/13/2026 01 AM PDT 2.22 273 0 Normal
03/13/2026 02 AM PDT 2.22 273 0 Normal
03/13/2026 03 AM PDT 2.22 273 0 Normal
03/13/2026 04 AM PDT 2.23 276 + Normal
03/13/2026 05 AM PDT 2.22 273 - Normal
03/13/2026 06 AM PDT 2.22 273 0 Normal
03/13/2026 07 AM PDT 2.21 270 - Normal
03/13/2026 08 AM PDT 2.21 270 0 Normal
03/13/2026 09 AM PDT 2.20 267 - Normal
03/13/2026 10 AM PDT 2.20 267 0 Normal
03/13/2026 11 AM PDT 2.19 264 - Normal
03/13/2026 12 PM PDT 2.17 259 - Normal
03/13/2026 01 PM PDT 2.16 256 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/13/2026 02 PM PDT 2.16 256 Normal
03/13/2026 03 PM PDT 2.16 256 0 Normal
03/13/2026 04 PM PDT 2.15 254 - Normal
03/13/2026 05 PM PDT 2.15 254 0 Normal
03/13/2026 06 PM PDT 2.16 256 + Normal
03/13/2026 07 PM PDT 2.18 262 + Normal
03/13/2026 08 PM PDT 2.20 267 + Normal
03/13/2026 09 PM PDT 2.23 276 + Normal
03/13/2026 10 PM PDT 2.24 278 + Normal
03/13/2026 11 PM PDT 2.26 284 + Normal
03/14/2026 12 AM PDT 2.28 290 + Normal
03/14/2026 01 AM PDT 2.30 296 + Normal
03/14/2026 02 AM PDT 2.32 302 + Normal
03/14/2026 03 AM PDT 2.35 311 + Normal
03/14/2026 04 AM PDT 2.36 314 + Normal
03/14/2026 05 AM PDT 2.38 320 + Normal
03/14/2026 06 AM PDT 2.40 326 + Normal
03/14/2026 07 AM PDT 2.40 326 0 Normal
03/14/2026 08 AM PDT 2.40 326 0 Normal
03/14/2026 09 AM PDT 2.40 326 0 Normal
03/14/2026 10 AM PDT 2.39 323 - Normal
03/14/2026 11 AM PDT 2.38 320 - Normal
03/14/2026 12 PM PDT 2.37 317 - Normal
03/14/2026 01 PM PDT 2.35 311 - Normal
03/14/2026 02 PM PDT 2.34 308 - Normal
03/14/2026 03 PM PDT 2.34 308 0 Normal
03/14/2026 04 PM PDT 2.33 305 - Normal
03/14/2026 05 PM PDT 2.34 308 + Normal
03/14/2026 06 PM PDT 2.36 314 + Normal
03/14/2026 07 PM PDT 2.38 320 + Normal
03/14/2026 08 PM PDT 2.40 326 + Normal
03/14/2026 09 PM PDT 2.42 333 + Normal
03/14/2026 10 PM PDT 2.43 336 + Normal
03/14/2026 11 PM PDT 2.44 339 + Normal
03/15/2026 12 AM PDT 2.45 342 + Normal
03/15/2026 01 AM PDT 2.47 349 + Normal
03/15/2026 02 AM PDT 2.48 352 + Normal
03/15/2026 03 AM PDT 2.49 356 + Normal
03/15/2026 04 AM PDT 2.49 356 0 Normal
03/15/2026 05 AM PDT 2.50 359 + Normal
03/15/2026 06 AM PDT 2.50 359 0 Normal
03/15/2026 07 AM PDT 2.50 359 0 Normal
03/15/2026 08 AM PDT 2.49 356 - Normal
03/15/2026 09 AM PDT 2.48 352 - Normal
03/15/2026 10 AM PDT 2.46 346 - Normal
03/15/2026 11 AM PDT 2.45 342 - Normal
03/15/2026 12 PM PDT 2.43 336 - Normal
03/15/2026 01 PM PDT 2.40 326 - Normal
03/15/2026 02 PM PDT 2.38 320 - Normal
03/15/2026 03 PM PDT 2.38 320 0 Normal
03/15/2026 04 PM PDT 2.36 314 - Normal
03/15/2026 05 PM PDT 2.37 317 + Normal
03/15/2026 06 PM PDT 2.39 323 + Normal
03/15/2026 07 PM PDT 2.41 330 + Normal
03/15/2026 08 PM PDT 2.44 339 + Normal
03/15/2026 09 PM PDT 2.46 346 + Normal
03/15/2026 10 PM PDT 2.49 356 + Normal
03/15/2026 11 PM PDT 2.51 362 + Normal
03/16/2026 12 AM PDT 2.52 366 + Normal
03/16/2026 01 AM PDT 2.56 379 + Normal
03/16/2026 02 AM PDT 2.60 393 + Normal
03/16/2026 03 AM PDT 2.63 404 + Normal
03/16/2026 04 AM PDT 2.66 415 + Normal
03/16/2026 05 AM PDT 2.69 426 + Normal
03/16/2026 06 AM PDT 2.72 438 + Normal
03/16/2026 07 AM PDT 2.73 441 + Normal
03/16/2026 08 AM PDT 2.73 441 0 Normal
03/16/2026 09 AM PDT 2.73 441 0 Normal
03/16/2026 10 AM PDT 2.72 438 - Normal
03/16/2026 11 AM PDT 2.71 434 - Normal
03/16/2026 12 PM PDT 2.70 430 - Normal
03/16/2026 01 PM PDT 2.68 422 - Normal
03/16/2026 02 PM PDT 2.67 419 - Normal
03/16/2026 03 PM PDT 2.67 419 0 Normal
03/16/2026 04 PM PDT 2.66 415 - Normal
03/16/2026 05 PM PDT 2.68 422 + Normal
03/16/2026 06 PM PDT 2.71 434 + Normal
03/16/2026 07 PM PDT 2.76 453 + Normal
03/16/2026 08 PM PDT 2.80 469 + Normal
03/16/2026 09 PM PDT 2.85 489 + Normal
03/16/2026 10 PM PDT 2.89 505 + Normal
03/16/2026 11 PM PDT 2.94 524 + Normal
03/17/2026 12 AM PDT 2.98 540 + Normal
03/17/2026 01 AM PDT 3.01 552 + Normal
03/17/2026 02 AM PDT 3.03 560 + Normal
03/17/2026 03 AM PDT 3.07 576 + Normal
03/17/2026 04 AM PDT 3.08 580 + Normal
03/17/2026 05 AM PDT 3.11 593 + Normal
03/17/2026 06 AM PDT 3.12 597 + Normal
03/17/2026 07 AM PDT 3.12 597 0 Normal
03/17/2026 08 AM PDT 3.10 589 - Normal
03/17/2026 09 AM PDT 3.08 580 - Normal
03/17/2026 10 AM PDT 3.06 572 - Normal
03/17/2026 11 AM PDT 3.02 556 - Normal
03/17/2026 12 PM PDT 2.99 544 - Normal
03/17/2026 01 PM PDT 2.96 532 - Normal
03/17/2026 02 PM PDT 2.94 524 - Normal
03/17/2026 03 PM PDT 2.94 524 0 Normal
03/17/2026 04 PM PDT 2.92 516 - Normal
03/17/2026 05 PM PDT 2.93 520 + Normal
03/17/2026 06 PM PDT 2.97 536 + Normal
03/17/2026 07 PM PDT 3.02 556 + Normal
03/17/2026 08 PM PDT 3.07 576 + Normal
03/17/2026 09 PM PDT 3.13 601 + Normal
03/17/2026 10 PM PDT 3.17 619 + Normal
03/17/2026 11 PM PDT 3.21 636 + Normal
03/18/2026 12 AM PDT 3.25 654 + Normal
03/18/2026 01 AM PDT 3.29 672 + Normal
03/18/2026 02 AM PDT 3.31 681 + Normal
03/18/2026 03 AM PDT 3.35 700 + Normal
03/18/2026 04 AM PDT 3.37 709 + Normal
03/18/2026 05 AM PDT 3.39 718 + Normal
03/18/2026 06 AM PDT 3.41 728 + 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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