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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: | May 03 2026 at 9:19 AM PDT | Next Issuance: | May 04 2026 at 9:00 AM PDT
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| 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: 05/03/2026 at 09:19 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/03/2026 at 05:00 AM PDT
# Maximum Observed Stage: 2.72 Feet
# Maximum Observed Flow: 473 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/08/2026 at 05:00 AM PDT
# Maximum Forecast Stage: 3.50 Feet
# Maximum Forecast Flow: 804 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/28/2026 09 AM PDT 2.31 326 Normal
04/28/2026 10 AM PDT 2.31 326 0 Normal
04/28/2026 11 AM PDT 2.31 326 0 Normal
04/28/2026 12 PM PDT 2.31 326 0 Normal
04/28/2026 01 PM PDT 2.30 323 - Normal
04/28/2026 02 PM PDT 2.31 326 + Normal
04/28/2026 03 PM PDT 2.30 323 - Normal
04/28/2026 04 PM PDT 2.30 323 0 Normal
04/28/2026 05 PM PDT 2.31 326 + Normal
04/28/2026 06 PM PDT 2.30 323 - Normal
04/28/2026 07 PM PDT 2.30 323 0 Normal
04/28/2026 08 PM PDT 2.31 326 + Normal
04/28/2026 09 PM PDT 2.31 326 0 Normal
04/28/2026 10 PM PDT 2.32 330 + Normal
04/28/2026 11 PM PDT 2.30 323 - Normal
04/29/2026 12 AM PDT 2.31 326 + Normal
04/29/2026 01 AM PDT 2.31 326 0 Normal
04/29/2026 02 AM PDT 2.30 323 - Normal
04/29/2026 03 AM PDT 2.30 323 0 Normal
04/29/2026 04 AM PDT 2.30 323 0 Normal
04/29/2026 05 AM PDT 2.29 320 - Normal
04/29/2026 06 AM PDT 2.29 320 0 Normal
04/29/2026 07 AM PDT 2.29 320 0 Normal
04/29/2026 08 AM PDT 2.29 320 0 Normal
04/29/2026 09 AM PDT 2.28 317 - Normal
04/29/2026 10 AM PDT 2.27 314 - Normal
04/29/2026 11 AM PDT 2.27 314 0 Normal
04/29/2026 12 PM PDT 2.27 314 0 Normal
04/29/2026 01 PM PDT 2.26 311 - Normal
04/29/2026 02 PM PDT 2.25 308 - Normal
04/29/2026 03 PM PDT 2.27 314 + Normal
04/29/2026 04 PM PDT 2.26 311 - Normal
04/29/2026 05 PM PDT 2.26 311 0 Normal
04/29/2026 06 PM PDT 2.26 311 0 Normal
04/29/2026 07 PM PDT 2.26 311 0 Normal
04/29/2026 08 PM PDT 2.27 314 + Normal
04/29/2026 09 PM PDT 2.29 320 + Normal
04/29/2026 10 PM PDT 2.30 323 + Normal
04/29/2026 11 PM PDT 2.33 333 + Normal
04/30/2026 12 AM PDT 2.35 339 + Normal
04/30/2026 01 AM PDT 2.36 342 + Normal
04/30/2026 02 AM PDT 2.36 342 0 Normal
04/30/2026 03 AM PDT 2.37 346 + Normal
04/30/2026 04 AM PDT 2.37 346 0 Normal
04/30/2026 05 AM PDT 2.37 346 0 Normal
04/30/2026 06 AM PDT 2.37 346 0 Normal
04/30/2026 07 AM PDT 2.37 346 0 Normal
04/30/2026 08 AM PDT 2.37 346 0 Normal
04/30/2026 09 AM PDT 2.37 346 0 Normal
04/30/2026 10 AM PDT 2.36 342 - Normal
04/30/2026 11 AM PDT 2.37 346 + Normal
04/30/2026 12 PM PDT 2.36 342 - Normal
04/30/2026 01 PM PDT 2.35 339 - Normal
04/30/2026 02 PM PDT 2.36 342 + Normal
04/30/2026 03 PM PDT 2.35 339 - Normal
04/30/2026 04 PM PDT 2.34 336 - Normal
04/30/2026 05 PM PDT 2.35 339 + Normal
04/30/2026 06 PM PDT 2.35 339 0 Normal
04/30/2026 07 PM PDT 2.35 339 0 Normal
04/30/2026 08 PM PDT 2.37 346 + Normal
04/30/2026 09 PM PDT 2.39 352 + Normal
04/30/2026 10 PM PDT 2.41 359 + Normal
04/30/2026 11 PM PDT 2.43 366 + Normal
05/01/2026 12 AM PDT 2.45 372 + Normal
05/01/2026 01 AM PDT 2.46 376 + Normal
05/01/2026 02 AM PDT 2.47 379 + Normal
05/01/2026 03 AM PDT 2.47 379 0 Normal
05/01/2026 04 AM PDT 2.49 386 + Normal
05/01/2026 05 AM PDT 2.49 386 0 Normal
05/01/2026 06 AM PDT 2.50 390 + Normal
05/01/2026 07 AM PDT 2.51 393 + Normal
05/01/2026 08 AM PDT 2.50 390 - Normal
05/01/2026 09 AM PDT 2.51 393 + Normal
05/01/2026 10 AM PDT 2.50 390 - Normal
05/01/2026 11 AM PDT 2.50 390 0 Normal
05/01/2026 12 PM PDT 2.50 390 0 Normal
05/01/2026 01 PM PDT 2.49 386 - Normal
05/01/2026 02 PM PDT 2.48 383 - Normal
05/01/2026 03 PM PDT 2.48 383 0 Normal
05/01/2026 04 PM PDT 2.47 379 - Normal
05/01/2026 05 PM PDT 2.47 379 0 Normal
05/01/2026 06 PM PDT 2.47 379 0 Normal
05/01/2026 07 PM PDT 2.48 383 + Normal
05/01/2026 08 PM PDT 2.50 390 + Normal
05/01/2026 09 PM PDT 2.52 397 + Normal
05/01/2026 10 PM PDT 2.55 408 + Normal
05/01/2026 11 PM PDT 2.58 419 + Normal
05/02/2026 12 AM PDT 2.59 422 + Normal
05/02/2026 01 AM PDT 2.60 426 + Normal
05/02/2026 02 AM PDT 2.63 438 + Normal
05/02/2026 03 AM PDT 2.63 438 0 Normal
05/02/2026 04 AM PDT 2.64 441 + Normal
05/02/2026 05 AM PDT 2.64 441 0 Normal
05/02/2026 06 AM PDT 2.65 445 + Normal
05/02/2026 07 AM PDT 2.65 445 0 Normal
05/02/2026 08 AM PDT 2.66 449 + Normal
05/02/2026 09 AM PDT 2.65 445 - Normal
05/02/2026 10 AM PDT 2.64 441 - Normal
05/02/2026 11 AM PDT 2.64 441 0 Normal
05/02/2026 12 PM PDT 2.63 438 - Normal
05/02/2026 01 PM PDT 2.62 434 - Normal
05/02/2026 02 PM PDT 2.61 430 - Normal
05/02/2026 03 PM PDT 2.60 426 - Normal
05/02/2026 04 PM PDT 2.60 426 0 Normal
05/02/2026 05 PM PDT 2.59 422 - Normal
05/02/2026 06 PM PDT 2.58 419 - Normal
05/02/2026 07 PM PDT 2.58 419 0 Normal
05/02/2026 08 PM PDT 2.59 422 + Normal
05/02/2026 09 PM PDT 2.61 430 + Normal
05/02/2026 10 PM PDT 2.62 434 + Normal
05/02/2026 11 PM PDT 2.65 445 + Normal
05/03/2026 12 AM PDT 2.66 449 + Normal
05/03/2026 01 AM PDT 2.68 457 + Normal
05/03/2026 02 AM PDT 2.69 461 + Normal
05/03/2026 03 AM PDT 2.70 465 + Normal
05/03/2026 04 AM PDT 2.70 465 0 Normal
05/03/2026 05 AM PDT 2.72 473 + Normal
05/03/2026 06 AM PDT 2.71 469 - Normal
05/03/2026 07 AM PDT 2.70 465 - Normal
05/03/2026 08 AM PDT 2.69 461 - Normal
05/03/2026 09 AM PDT 2.68 457 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/03/2026 10 AM PDT 2.68 457 Normal
05/03/2026 11 AM PDT 2.66 449 - Normal
05/03/2026 12 PM PDT 2.66 449 0 Normal
05/03/2026 01 PM PDT 2.64 441 - Normal
05/03/2026 02 PM PDT 2.64 441 0 Normal
05/03/2026 03 PM PDT 2.64 441 0 Normal
05/03/2026 04 PM PDT 2.63 438 - Normal
05/03/2026 05 PM PDT 2.66 449 + Normal
05/03/2026 06 PM PDT 2.70 465 + Normal
05/03/2026 07 PM PDT 2.75 485 + Normal
05/03/2026 08 PM PDT 2.80 505 + Normal
05/03/2026 09 PM PDT 2.84 520 + Normal
05/03/2026 10 PM PDT 2.89 539 + Normal
05/03/2026 11 PM PDT 2.92 551 + Normal
05/04/2026 12 AM PDT 2.96 566 + Normal
05/04/2026 01 AM PDT 2.99 578 + Normal
05/04/2026 02 AM PDT 3.03 594 + Normal
05/04/2026 03 AM PDT 3.06 607 + Normal
05/04/2026 04 AM PDT 3.09 619 + Normal
05/04/2026 05 AM PDT 3.12 631 + Normal
05/04/2026 06 AM PDT 3.11 627 - Normal
05/04/2026 07 AM PDT 3.10 623 - Normal
05/04/2026 08 AM PDT 3.09 619 - Normal
05/04/2026 09 AM PDT 3.08 615 - Normal
05/04/2026 10 AM PDT 3.08 615 0 Normal
05/04/2026 11 AM PDT 3.07 611 - Normal
05/04/2026 12 PM PDT 3.04 598 - Normal
05/04/2026 01 PM PDT 3.02 590 - Normal
05/04/2026 02 PM PDT 2.99 578 - Normal
05/04/2026 03 PM PDT 2.97 570 - Normal
05/04/2026 04 PM PDT 2.95 563 - Normal
05/04/2026 05 PM PDT 2.94 559 - Normal
05/04/2026 06 PM PDT 2.93 555 - Normal
05/04/2026 07 PM PDT 2.92 551 - Normal
05/04/2026 08 PM PDT 2.91 547 - Normal
05/04/2026 09 PM PDT 2.90 543 - Normal
05/04/2026 10 PM PDT 2.88 536 - Normal
05/04/2026 11 PM PDT 2.87 532 - Normal
05/05/2026 12 AM PDT 2.85 524 - Normal
05/05/2026 01 AM PDT 2.83 516 - Normal
05/05/2026 02 AM PDT 2.81 508 - Normal
05/05/2026 03 AM PDT 2.79 501 - Normal
05/05/2026 04 AM PDT 2.77 493 - Normal
05/05/2026 05 AM PDT 2.75 485 - Normal
05/05/2026 06 AM PDT 2.74 481 - Normal
05/05/2026 07 AM PDT 2.72 473 - Normal
05/05/2026 08 AM PDT 2.71 469 - Normal
05/05/2026 09 AM PDT 2.69 461 - Normal
05/05/2026 10 AM PDT 2.68 457 - Normal
05/05/2026 11 AM PDT 2.66 449 - Normal
05/05/2026 12 PM PDT 2.65 445 - Normal
05/05/2026 01 PM PDT 2.63 438 - Normal
05/05/2026 02 PM PDT 2.61 430 - Normal
05/05/2026 03 PM PDT 2.59 422 - Normal
05/05/2026 04 PM PDT 2.58 419 - Normal
05/05/2026 05 PM PDT 2.57 415 - Normal
05/05/2026 06 PM PDT 2.57 415 0 Normal
05/05/2026 07 PM PDT 2.56 411 - Normal
05/05/2026 08 PM PDT 2.56 411 0 Normal
05/05/2026 09 PM PDT 2.56 411 0 Normal
05/05/2026 10 PM PDT 2.56 411 0 Normal
05/05/2026 11 PM PDT 2.55 408 - Normal
05/06/2026 12 AM PDT 2.57 415 + Normal
05/06/2026 01 AM PDT 2.59 422 + Normal
05/06/2026 02 AM PDT 2.62 434 + Normal
05/06/2026 03 AM PDT 2.63 438 + Normal
05/06/2026 04 AM PDT 2.65 445 + Normal
05/06/2026 05 AM PDT 2.67 453 + Normal
05/06/2026 06 AM PDT 2.68 457 + Normal
05/06/2026 07 AM PDT 2.69 461 + Normal
05/06/2026 08 AM PDT 2.70 465 + Normal
05/06/2026 09 AM PDT 2.71 469 + Normal
05/06/2026 10 AM PDT 2.72 473 + Normal
05/06/2026 11 AM PDT 2.72 473 0 Normal
05/06/2026 12 PM PDT 2.72 473 0 Normal
05/06/2026 01 PM PDT 2.71 469 - Normal
05/06/2026 02 PM PDT 2.70 465 - Normal
05/06/2026 03 PM PDT 2.69 461 - Normal
05/06/2026 04 PM PDT 2.69 461 0 Normal
05/06/2026 05 PM PDT 2.71 469 + Normal
05/06/2026 06 PM PDT 2.74 481 + Normal
05/06/2026 07 PM PDT 2.78 497 + Normal
05/06/2026 08 PM PDT 2.83 516 + Normal
05/06/2026 09 PM PDT 2.87 532 + Normal
05/06/2026 10 PM PDT 2.92 551 + Normal
05/06/2026 11 PM PDT 2.96 566 + Normal
05/07/2026 12 AM PDT 2.99 578 + Normal
05/07/2026 01 AM PDT 3.03 594 + Normal
05/07/2026 02 AM PDT 3.06 607 + Normal
05/07/2026 03 AM PDT 3.08 615 + Normal
05/07/2026 04 AM PDT 3.10 623 + Normal
05/07/2026 05 AM PDT 3.12 631 + Normal
05/07/2026 06 AM PDT 3.12 631 0 Normal
05/07/2026 07 AM PDT 3.12 631 0 Normal
05/07/2026 08 AM PDT 3.10 623 - Normal
05/07/2026 09 AM PDT 3.10 623 0 Normal
05/07/2026 10 AM PDT 3.09 619 - Normal
05/07/2026 11 AM PDT 3.07 611 - Normal
05/07/2026 12 PM PDT 3.06 607 - Normal
05/07/2026 01 PM PDT 3.03 594 - Normal
05/07/2026 02 PM PDT 3.02 590 - Normal
05/07/2026 03 PM PDT 3.01 586 - Normal
05/07/2026 04 PM PDT 3.00 582 - Normal
05/07/2026 05 PM PDT 3.05 602 + Normal
05/07/2026 06 PM PDT 3.10 623 + Normal
05/07/2026 07 PM PDT 3.15 644 + Normal
05/07/2026 08 PM PDT 3.23 679 + Normal
05/07/2026 09 PM PDT 3.28 701 + Normal
05/07/2026 10 PM PDT 3.34 728 + Normal
05/07/2026 11 PM PDT 3.38 746 + Normal
05/08/2026 12 AM PDT 3.41 761 + Normal
05/08/2026 01 AM PDT 3.44 775 + Normal
05/08/2026 02 AM PDT 3.47 789 + Normal
05/08/2026 03 AM PDT 3.48 794 + Normal
05/08/2026 04 AM PDT 3.49 799 + Normal
05/08/2026 05 AM PDT 3.50 804 + 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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