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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 23 2026 at 7:15 AM PDT | Next Issuance: | Mar 23 2026 at 3:00 PM 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: 03/23/2026 at 01:17 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/21/2026 at 02:00 AM PDT
# Maximum Observed Stage: 3.35 Feet
# Maximum Observed Flow: 733 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/26/2026 at 02:00 AM PDT
# Maximum Forecast Stage: 3.58 Feet
# Maximum Forecast Flow: 843 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/18/2026 01 PM PDT 2.84 520 Normal
03/18/2026 02 PM PDT 2.81 508 - Normal
03/18/2026 03 PM PDT 2.79 501 - Normal
03/18/2026 04 PM PDT 2.78 497 - Normal
03/18/2026 05 PM PDT 2.78 497 0 Normal
03/18/2026 06 PM PDT 2.81 508 + Normal
03/18/2026 07 PM PDT 2.86 528 + Normal
03/18/2026 08 PM PDT 2.92 551 + Normal
03/18/2026 09 PM PDT 2.97 570 + Normal
03/18/2026 10 PM PDT 3.01 586 + Normal
03/18/2026 11 PM PDT 3.04 598 + Normal
03/19/2026 12 AM PDT 3.05 602 + Normal
03/19/2026 01 AM PDT 3.05 602 0 Normal
03/19/2026 02 AM PDT 3.06 607 + Normal
03/19/2026 03 AM PDT 3.05 602 - Normal
03/19/2026 04 AM PDT 3.04 598 - Normal
03/19/2026 05 AM PDT 3.02 590 - Normal
03/19/2026 06 AM PDT 3.00 582 - Normal
03/19/2026 07 AM PDT 2.99 578 - Normal
03/19/2026 08 AM PDT 2.96 566 - Normal
03/19/2026 09 AM PDT 2.95 563 - Normal
03/19/2026 10 AM PDT 2.92 551 - Normal
03/19/2026 11 AM PDT 2.91 547 - Normal
03/19/2026 12 PM PDT 2.88 536 - Normal
03/19/2026 01 PM PDT 2.87 532 - Normal
03/19/2026 02 PM PDT 2.83 516 - Normal
03/19/2026 03 PM PDT 2.82 512 - Normal
03/19/2026 04 PM PDT 2.81 508 - Normal
03/19/2026 05 PM PDT 2.82 512 + Normal
03/19/2026 06 PM PDT 2.85 524 + Normal
03/19/2026 07 PM PDT 2.89 539 + Normal
03/19/2026 08 PM PDT 2.96 566 + Normal
03/19/2026 09 PM PDT 3.02 590 + Normal
03/19/2026 10 PM PDT 3.06 607 + Normal
03/19/2026 11 PM PDT 3.08 615 + Normal
03/20/2026 12 AM PDT 3.10 623 + Normal
03/20/2026 01 AM PDT 3.10 623 0 Normal
03/20/2026 02 AM PDT 3.11 627 + Normal
03/20/2026 03 AM PDT 3.11 627 0 Normal
03/20/2026 04 AM PDT 3.10 623 - Normal
03/20/2026 05 AM PDT 3.08 615 - Normal
03/20/2026 06 AM PDT 3.07 611 - Normal
03/20/2026 07 AM PDT 3.05 602 - Normal
03/20/2026 08 AM PDT 3.03 594 - Normal
03/20/2026 09 AM PDT 3.01 586 - Normal
03/20/2026 10 AM PDT 2.99 578 - Normal
03/20/2026 11 AM PDT 2.97 570 - Normal
03/20/2026 12 PM PDT 2.95 563 - Normal
03/20/2026 01 PM PDT 2.94 559 - Normal
03/20/2026 02 PM PDT 2.91 547 - Normal
03/20/2026 03 PM PDT 2.90 543 - Normal
03/20/2026 04 PM PDT 2.89 539 - Normal
03/20/2026 05 PM PDT 2.90 543 + Normal
03/20/2026 06 PM PDT 2.94 559 + Normal
03/20/2026 07 PM PDT 3.07 611 + Normal
03/20/2026 08 PM PDT 3.14 640 + Normal
03/20/2026 09 PM PDT 3.20 666 + Normal
03/20/2026 10 PM PDT 3.26 692 + Normal
03/20/2026 11 PM PDT 3.29 705 + Normal
03/21/2026 12 AM PDT 3.32 719 + Normal
03/21/2026 01 AM PDT 3.34 728 + Normal
03/21/2026 02 AM PDT 3.35 733 + Normal
03/21/2026 03 AM PDT 3.34 728 - Normal
03/21/2026 04 AM PDT 3.34 728 0 Normal
03/21/2026 05 AM PDT 3.33 723 - Normal
03/21/2026 06 AM PDT 3.33 723 0 Normal
03/21/2026 07 AM PDT 3.30 710 - Normal
03/21/2026 08 AM PDT 3.29 705 - Normal
03/21/2026 09 AM PDT 3.26 692 - Normal
03/21/2026 10 AM PDT 3.23 679 - Normal
03/21/2026 11 AM PDT 3.21 670 - Normal
03/21/2026 12 PM PDT 3.17 653 - Normal
03/21/2026 01 PM PDT 3.15 644 - Normal
03/21/2026 02 PM PDT 3.13 636 - Normal
03/21/2026 03 PM PDT 3.11 627 - Normal
03/21/2026 04 PM PDT 3.09 619 - Normal
03/21/2026 05 PM PDT 3.09 619 0 Normal
03/21/2026 06 PM PDT 3.12 631 + Normal
03/21/2026 07 PM PDT 3.15 644 + Normal
03/21/2026 08 PM PDT 3.19 661 + Normal
03/21/2026 09 PM PDT 3.24 683 + Normal
03/21/2026 10 PM PDT 3.26 692 + Normal
03/21/2026 11 PM PDT 3.30 710 + Normal
03/22/2026 12 AM PDT 3.31 714 + Normal
03/22/2026 01 AM PDT 3.31 714 0 Normal
03/22/2026 02 AM PDT 3.32 719 + Normal
03/22/2026 03 AM PDT 3.31 714 - Normal
03/22/2026 04 AM PDT 3.30 710 - Normal
03/22/2026 05 AM PDT 3.30 710 0 Normal
03/22/2026 06 AM PDT 3.28 701 - Normal
03/22/2026 07 AM PDT 3.26 692 - Normal
03/22/2026 08 AM PDT 3.23 679 - Normal
03/22/2026 09 AM PDT 3.21 670 - Normal
03/22/2026 10 AM PDT 3.19 661 - Normal
03/22/2026 11 AM PDT 3.17 653 - Normal
03/22/2026 12 PM PDT 3.14 640 - Normal
03/22/2026 01 PM PDT 3.12 631 - Normal
03/22/2026 02 PM PDT 3.10 623 - Normal
03/22/2026 03 PM PDT 3.08 615 - Normal
03/22/2026 04 PM PDT 3.07 611 - Normal
03/22/2026 05 PM PDT 3.07 611 0 Normal
03/22/2026 06 PM PDT 3.09 619 + Normal
03/22/2026 07 PM PDT 3.13 636 + Normal
03/22/2026 08 PM PDT 3.18 657 + Normal
03/22/2026 09 PM PDT 3.23 679 + Normal
03/22/2026 10 PM PDT 3.27 696 + Normal
03/22/2026 11 PM PDT 3.29 705 + Normal
03/23/2026 12 AM PDT 3.31 714 + Normal
03/23/2026 01 AM PDT 3.30 710 - Normal
03/23/2026 02 AM PDT 3.30 710 0 Normal
03/23/2026 03 AM PDT 3.31 714 + Normal
03/23/2026 04 AM PDT 3.30 710 - Normal
03/23/2026 05 AM PDT 3.29 705 - Normal
03/23/2026 06 AM PDT 3.27 696 - Normal
03/23/2026 07 AM PDT 3.26 692 - Normal
03/23/2026 08 AM PDT 3.24 683 - Normal
03/23/2026 09 AM PDT 3.22 674 - Normal
03/23/2026 10 AM PDT 3.19 661 - Normal
03/23/2026 11 AM PDT 3.17 653 - Normal
03/23/2026 12 PM PDT 3.14 640 - Normal
03/23/2026 01 PM PDT 3.12 631 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/23/2026 02 PM PDT 3.11 627 Normal
03/23/2026 03 PM PDT 3.10 623 - Normal
03/23/2026 04 PM PDT 3.11 627 + Normal
03/23/2026 05 PM PDT 3.14 640 + Normal
03/23/2026 06 PM PDT 3.19 661 + Normal
03/23/2026 07 PM PDT 3.24 683 + Normal
03/23/2026 08 PM PDT 3.30 710 + Normal
03/23/2026 09 PM PDT 3.35 733 + Normal
03/23/2026 10 PM PDT 3.40 756 + Normal
03/23/2026 11 PM PDT 3.43 770 + Normal
03/24/2026 12 AM PDT 3.44 775 + Normal
03/24/2026 01 AM PDT 3.45 779 + Normal
03/24/2026 02 AM PDT 3.46 784 + Normal
03/24/2026 03 AM PDT 3.45 779 - Normal
03/24/2026 04 AM PDT 3.44 775 - Normal
03/24/2026 05 AM PDT 3.44 775 0 Normal
03/24/2026 06 AM PDT 3.42 765 - Normal
03/24/2026 07 AM PDT 3.40 756 - Normal
03/24/2026 08 AM PDT 3.37 742 - Normal
03/24/2026 09 AM PDT 3.36 737 - Normal
03/24/2026 10 AM PDT 3.32 719 - Normal
03/24/2026 11 AM PDT 3.31 714 - Normal
03/24/2026 12 PM PDT 3.27 696 - Normal
03/24/2026 01 PM PDT 3.25 687 - Normal
03/24/2026 02 PM PDT 3.23 679 - Normal
03/24/2026 03 PM PDT 3.20 666 - Normal
03/24/2026 04 PM PDT 3.20 666 0 Normal
03/24/2026 05 PM PDT 3.22 674 + Normal
03/24/2026 06 PM PDT 3.26 692 + Normal
03/24/2026 07 PM PDT 3.30 710 + Normal
03/24/2026 08 PM PDT 3.36 737 + Normal
03/24/2026 09 PM PDT 3.40 756 + Normal
03/24/2026 10 PM PDT 3.45 779 + Normal
03/24/2026 11 PM PDT 3.47 789 + Normal
03/25/2026 12 AM PDT 3.49 799 + Normal
03/25/2026 01 AM PDT 3.51 808 + Normal
03/25/2026 02 AM PDT 3.52 813 + Normal
03/25/2026 03 AM PDT 3.52 813 0 Normal
03/25/2026 04 AM PDT 3.52 813 0 Normal
03/25/2026 05 AM PDT 3.53 818 + Normal
03/25/2026 06 AM PDT 3.51 808 - Normal
03/25/2026 07 AM PDT 3.49 799 - Normal
03/25/2026 08 AM PDT 3.46 784 - Normal
03/25/2026 09 AM PDT 3.45 779 - Normal
03/25/2026 10 AM PDT 3.42 765 - Normal
03/25/2026 11 AM PDT 3.40 756 - Normal
03/25/2026 12 PM PDT 3.36 737 - Normal
03/25/2026 01 PM PDT 3.34 728 - Normal
03/25/2026 02 PM PDT 3.31 714 - Normal
03/25/2026 03 PM PDT 3.29 705 - Normal
03/25/2026 04 PM PDT 3.29 705 0 Normal
03/25/2026 05 PM PDT 3.31 714 + Normal
03/25/2026 06 PM PDT 3.35 733 + Normal
03/25/2026 07 PM PDT 3.38 746 + Normal
03/25/2026 08 PM PDT 3.44 775 + Normal
03/25/2026 09 PM PDT 3.48 794 + Normal
03/25/2026 10 PM PDT 3.53 818 + Normal
03/25/2026 11 PM PDT 3.54 823 + Normal
03/26/2026 12 AM PDT 3.56 833 + Normal
03/26/2026 01 AM PDT 3.57 838 + Normal
03/26/2026 02 AM PDT 3.58 843 + Normal
03/26/2026 03 AM PDT 3.57 838 - Normal
03/26/2026 04 AM PDT 3.57 838 0 Normal
03/26/2026 05 AM PDT 3.57 838 0 Normal
03/26/2026 06 AM PDT 3.55 828 - Normal
03/26/2026 07 AM PDT 3.52 813 - Normal
03/26/2026 08 AM PDT 3.49 799 - Normal
03/26/2026 09 AM PDT 3.47 789 - Normal
03/26/2026 10 AM PDT 3.43 770 - Normal
03/26/2026 11 AM PDT 3.41 761 - Normal
03/26/2026 12 PM PDT 3.37 742 - Normal
03/26/2026 01 PM PDT 3.34 728 - Normal
03/26/2026 02 PM PDT 3.31 714 - Normal
03/26/2026 03 PM PDT 3.29 705 - Normal
03/26/2026 04 PM PDT 3.28 701 - Normal
03/26/2026 05 PM PDT 3.29 705 + Normal
03/26/2026 06 PM PDT 3.32 719 + Normal
03/26/2026 07 PM PDT 3.36 737 + Normal
03/26/2026 08 PM PDT 3.41 761 + Normal
03/26/2026 09 PM PDT 3.44 775 + Normal
03/26/2026 10 PM PDT 3.48 794 + Normal
03/26/2026 11 PM PDT 3.49 799 + Normal
03/27/2026 12 AM PDT 3.50 804 + Normal
03/27/2026 01 AM PDT 3.51 808 + Normal
03/27/2026 02 AM PDT 3.51 808 0 Normal
03/27/2026 03 AM PDT 3.51 808 0 Normal
03/27/2026 04 AM PDT 3.50 804 - Normal
03/27/2026 05 AM PDT 3.49 799 - Normal
03/27/2026 06 AM PDT 3.47 789 - Normal
03/27/2026 07 AM PDT 3.45 779 - Normal
03/27/2026 08 AM PDT 3.42 765 - Normal
03/27/2026 09 AM PDT 3.40 756 - Normal
03/27/2026 10 AM PDT 3.36 737 - Normal
03/27/2026 11 AM PDT 3.34 728 - Normal
03/27/2026 12 PM PDT 3.30 710 - Normal
03/27/2026 01 PM PDT 3.27 696 - Normal
03/27/2026 02 PM PDT 3.25 687 - Normal
03/27/2026 03 PM PDT 3.22 674 - Normal
03/27/2026 04 PM PDT 3.21 670 - Normal
03/27/2026 05 PM PDT 3.22 674 + Normal
03/27/2026 06 PM PDT 3.26 692 + Normal
03/27/2026 07 PM PDT 3.29 705 + Normal
03/27/2026 08 PM PDT 3.34 728 + Normal
03/27/2026 09 PM PDT 3.37 742 + Normal
03/27/2026 10 PM PDT 3.40 756 + Normal
03/27/2026 11 PM PDT 3.42 765 + Normal
03/28/2026 12 AM PDT 3.43 770 + Normal
03/28/2026 01 AM PDT 3.44 775 + Normal
03/28/2026 02 AM PDT 3.45 779 + Normal
03/28/2026 03 AM PDT 3.45 779 0 Normal
03/28/2026 04 AM PDT 3.44 775 - Normal
03/28/2026 05 AM PDT 3.44 775 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.
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