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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 | | | |
| Location: Mono County in California | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
| Issuance Time: | Jan 23 2026 at 7:11 AM PST | Next Issuance: | Jan 23 2026 at 3:00 PM PST
| |
| 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: 01/23/2026 at 07:12 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 01/20/2026 at 06:00 PM PST
# Maximum Observed Stage: 1.52 Feet
# Maximum Observed Flow: 114 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/23/2026 at 08:00 AM PST
# Maximum Forecast Stage: 1.39 Feet
# Maximum Forecast Flow: 94 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
01/18/2026 07 AM PST 1.52 114 Normal
01/18/2026 08 AM PST 1.52 114 0 Normal
01/18/2026 09 AM PST 1.52 114 0 Normal
01/18/2026 10 AM PST 1.52 114 0 Normal
01/18/2026 11 AM PST 1.52 114 0 Normal
01/18/2026 12 PM PST 1.51 112 - Normal
01/18/2026 01 PM PST 1.51 112 0 Normal
01/18/2026 02 PM PST 1.50 111 - Normal
01/18/2026 03 PM PST 1.50 111 0 Normal
01/18/2026 04 PM PST 1.50 111 0 Normal
01/18/2026 05 PM PST 1.49 109 - Normal
01/18/2026 06 PM PST 1.48 108 - Normal
01/18/2026 07 PM PST 1.47 106 - Normal
01/18/2026 08 PM PST 1.47 106 0 Normal
01/18/2026 09 PM PST 1.46 105 - Normal
01/18/2026 10 PM PST 1.45 103 - Normal
01/18/2026 11 PM PST 1.45 103 0 Normal
01/19/2026 12 AM PST 1.45 103 0 Normal
01/19/2026 01 AM PST 1.45 103 0 Normal
01/19/2026 02 AM PST 1.45 103 0 Normal
01/19/2026 03 AM PST 1.42 99 - Normal
01/19/2026 04 AM PST 1.43 100 + Normal
01/19/2026 05 AM PST 1.45 103 + Normal
01/19/2026 06 AM PST 1.47 106 + Normal
01/19/2026 07 AM PST 1.50 111 + Normal
01/19/2026 08 AM PST 1.50 111 0 Normal
01/19/2026 09 AM PST 1.50 111 0 Normal
01/19/2026 10 AM PST 1.50 111 0 Normal
01/19/2026 11 AM PST 1.50 111 0 Normal
01/19/2026 12 PM PST 1.49 109 - Normal
01/19/2026 01 PM PST 1.49 109 0 Normal
01/19/2026 02 PM PST 1.49 109 0 Normal
01/19/2026 03 PM PST 1.48 108 - Normal
01/19/2026 04 PM PST 1.48 108 0 Normal
01/19/2026 05 PM PST 1.48 108 0 Normal
01/19/2026 06 PM PST 1.46 105 - Normal
01/19/2026 07 PM PST 1.46 105 0 Normal
01/19/2026 08 PM PST 1.45 103 - Normal
01/19/2026 09 PM PST 1.44 102 - Normal
01/19/2026 10 PM PST 1.43 100 - Normal
01/19/2026 11 PM PST 1.43 100 0 Normal
01/20/2026 12 AM PST 1.43 100 0 Normal
01/20/2026 01 AM PST 1.42 99 - Normal
01/20/2026 02 AM PST 1.42 99 0 Normal
01/20/2026 03 AM PST 1.43 100 + Normal
01/20/2026 04 AM PST 1.47 106 + Normal
01/20/2026 05 AM PST 1.50 111 + Normal
01/20/2026 06 AM PST 1.52 114 + Normal
01/20/2026 07 AM PST 1.52 114 0 Normal
01/20/2026 08 AM PST 1.52 114 0 Normal
01/20/2026 09 AM PST 1.52 114 0 Normal
01/20/2026 10 AM PST 1.52 114 0 Normal
01/20/2026 11 AM PST 1.52 114 0 Normal
01/20/2026 12 PM PST 1.52 114 0 Normal
01/20/2026 01 PM PST 1.52 114 0 Normal
01/20/2026 02 PM PST 1.52 114 0 Normal
01/20/2026 03 PM PST 1.51 112 - Normal
01/20/2026 04 PM PST 1.52 114 + Normal
01/20/2026 05 PM PST 1.52 114 0 Normal
01/20/2026 06 PM PST 1.52 114 0 Normal
01/20/2026 07 PM PST 1.50 111 - Normal
01/20/2026 08 PM PST 1.47 106 - Normal
01/20/2026 09 PM PST 1.45 103 - Normal
01/20/2026 10 PM PST 1.44 102 - Normal
01/20/2026 11 PM PST 1.44 102 0 Normal
01/21/2026 12 AM PST 1.45 103 + Normal
01/21/2026 01 AM PST 1.43 100 - Normal
01/21/2026 02 AM PST 1.43 100 0 Normal
01/21/2026 03 AM PST 1.41 97 - Normal
01/21/2026 04 AM PST 1.40 96 - Normal
01/21/2026 05 AM PST 1.40 96 0 Normal
01/21/2026 06 AM PST 1.40 96 0 Normal
01/21/2026 07 AM PST 1.40 96 0 Normal
01/21/2026 08 AM PST 1.41 97 + Normal
01/21/2026 09 AM PST 1.43 100 + Normal
01/21/2026 10 AM PST 1.46 105 + Normal
01/21/2026 11 AM PST 1.49 109 + Normal
01/21/2026 12 PM PST 1.46 105 - Normal
01/21/2026 01 PM PST 1.44 102 - Normal
01/21/2026 02 PM PST 1.44 102 0 Normal
01/21/2026 03 PM PST 1.43 100 - Normal
01/21/2026 04 PM PST 1.43 100 0 Normal
01/21/2026 05 PM PST 1.42 99 - Normal
01/21/2026 06 PM PST 1.42 99 0 Normal
01/21/2026 07 PM PST 1.42 99 0 Normal
01/21/2026 08 PM PST 1.42 99 0 Normal
01/21/2026 09 PM PST 1.41 97 - Normal
01/21/2026 10 PM PST 1.41 97 0 Normal
01/21/2026 11 PM PST 1.41 97 0 Normal
01/22/2026 12 AM PST 1.41 97 0 Normal
01/22/2026 01 AM PST 1.41 97 0 Normal
01/22/2026 02 AM PST 1.41 97 0 Normal
01/22/2026 03 AM PST 1.41 97 0 Normal
01/22/2026 04 AM PST 1.41 97 0 Normal
01/22/2026 05 AM PST 1.41 97 0 Normal
01/22/2026 06 AM PST 1.40 96 - Normal
01/22/2026 07 AM PST 1.40 96 0 Normal
01/22/2026 08 AM PST 1.40 96 0 Normal
01/22/2026 09 AM PST 1.40 96 0 Normal
01/22/2026 10 AM PST 1.41 97 + Normal
01/22/2026 11 AM PST 1.40 96 - Normal
01/22/2026 12 PM PST 1.41 97 + Normal
01/22/2026 01 PM PST 1.40 96 - Normal
01/22/2026 02 PM PST 1.40 96 0 Normal
01/22/2026 03 PM PST 1.40 96 0 Normal
01/22/2026 04 PM PST 1.40 96 0 Normal
01/22/2026 05 PM PST 1.41 97 + Normal
01/22/2026 06 PM PST 1.40 96 - Normal
01/22/2026 07 PM PST 1.41 97 + Normal
01/22/2026 08 PM PST 1.41 97 0 Normal
01/22/2026 09 PM PST 1.40 96 - Normal
01/22/2026 10 PM PST 1.40 96 0 Normal
01/22/2026 11 PM PST 1.40 96 0 Normal
01/23/2026 12 AM PST 1.40 96 0 Normal
01/23/2026 01 AM PST 1.40 96 0 Normal
01/23/2026 02 AM PST 1.40 96 0 Normal
01/23/2026 03 AM PST 1.40 96 0 Normal
01/23/2026 04 AM PST 1.40 96 0 Normal
01/23/2026 05 AM PST 1.40 96 0 Normal
01/23/2026 06 AM PST 1.40 96 0 Normal
01/23/2026 07 AM PST 1.39 94 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
01/23/2026 08 AM PST 1.39 94 Normal
01/23/2026 09 AM PST 1.39 94 0 Normal
01/23/2026 10 AM PST 1.39 94 0 Normal
01/23/2026 11 AM PST 1.39 94 0 Normal
01/23/2026 12 PM PST 1.39 94 0 Normal
01/23/2026 01 PM PST 1.38 93 - Normal
01/23/2026 02 PM PST 1.38 93 0 Normal
01/23/2026 03 PM PST 1.38 93 0 Normal
01/23/2026 04 PM PST 1.38 93 0 Normal
01/23/2026 05 PM PST 1.38 93 0 Normal
01/23/2026 06 PM PST 1.38 93 0 Normal
01/23/2026 07 PM PST 1.38 93 0 Normal
01/23/2026 08 PM PST 1.37 92 - Normal
01/23/2026 09 PM PST 1.37 92 0 Normal
01/23/2026 10 PM PST 1.37 92 0 Normal
01/23/2026 11 PM PST 1.37 92 0 Normal
01/24/2026 12 AM PST 1.37 92 0 Normal
01/24/2026 01 AM PST 1.37 92 0 Normal
01/24/2026 02 AM PST 1.37 92 0 Normal
01/24/2026 03 AM PST 1.36 90 - Normal
01/24/2026 04 AM PST 1.36 90 0 Normal
01/24/2026 05 AM PST 1.36 90 0 Normal
01/24/2026 06 AM PST 1.36 90 0 Normal
01/24/2026 07 AM PST 1.36 90 0 Normal
01/24/2026 08 AM PST 1.36 90 0 Normal
01/24/2026 09 AM PST 1.35 89 - Normal
01/24/2026 10 AM PST 1.35 89 0 Normal
01/24/2026 11 AM PST 1.35 89 0 Normal
01/24/2026 12 PM PST 1.35 89 0 Normal
01/24/2026 01 PM PST 1.35 89 0 Normal
01/24/2026 02 PM PST 1.35 89 0 Normal
01/24/2026 03 PM PST 1.34 87 - Normal
01/24/2026 04 PM PST 1.34 87 0 Normal
01/24/2026 05 PM PST 1.34 87 0 Normal
01/24/2026 06 PM PST 1.34 87 0 Normal
01/24/2026 07 PM PST 1.34 87 0 Normal
01/24/2026 08 PM PST 1.34 87 0 Normal
01/24/2026 09 PM PST 1.34 87 0 Normal
01/24/2026 10 PM PST 1.34 87 0 Normal
01/24/2026 11 PM PST 1.34 87 0 Normal
01/25/2026 12 AM PST 1.34 87 0 Normal
01/25/2026 01 AM PST 1.34 87 0 Normal
01/25/2026 02 AM PST 1.34 87 0 Normal
01/25/2026 03 AM PST 1.33 86 - Normal
01/25/2026 04 AM PST 1.33 86 0 Normal
01/25/2026 05 AM PST 1.33 86 0 Normal
01/25/2026 06 AM PST 1.33 86 0 Normal
01/25/2026 07 AM PST 1.33 86 0 Normal
01/25/2026 08 AM PST 1.33 86 0 Normal
01/25/2026 09 AM PST 1.33 86 0 Normal
01/25/2026 10 AM PST 1.32 85 - Normal
01/25/2026 11 AM PST 1.32 85 0 Normal
01/25/2026 12 PM PST 1.32 85 0 Normal
01/25/2026 01 PM PST 1.32 85 0 Normal
01/25/2026 02 PM PST 1.32 85 0 Normal
01/25/2026 03 PM PST 1.32 85 0 Normal
01/25/2026 04 PM PST 1.32 85 0 Normal
01/25/2026 05 PM PST 1.32 85 0 Normal
01/25/2026 06 PM PST 1.32 85 0 Normal
01/25/2026 07 PM PST 1.32 85 0 Normal
01/25/2026 08 PM PST 1.32 85 0 Normal
01/25/2026 09 PM PST 1.32 85 0 Normal
01/25/2026 10 PM PST 1.31 84 - Normal
01/25/2026 11 PM PST 1.31 84 0 Normal
01/26/2026 12 AM PST 1.31 84 0 Normal
01/26/2026 01 AM PST 1.31 84 0 Normal
01/26/2026 02 AM PST 1.31 84 0 Normal
01/26/2026 03 AM PST 1.31 84 0 Normal
01/26/2026 04 AM PST 1.31 84 0 Normal
01/26/2026 05 AM PST 1.31 84 0 Normal
01/26/2026 06 AM PST 1.30 82 - Normal
01/26/2026 07 AM PST 1.30 82 0 Normal
01/26/2026 08 AM PST 1.30 82 0 Normal
01/26/2026 09 AM PST 1.30 82 0 Normal
01/26/2026 10 AM PST 1.30 82 0 Normal
01/26/2026 11 AM PST 1.30 82 0 Normal
01/26/2026 12 PM PST 1.30 82 0 Normal
01/26/2026 01 PM PST 1.30 82 0 Normal
01/26/2026 02 PM PST 1.29 81 - Normal
01/26/2026 03 PM PST 1.29 81 0 Normal
01/26/2026 04 PM PST 1.29 81 0 Normal
01/26/2026 05 PM PST 1.29 81 0 Normal
01/26/2026 06 PM PST 1.29 81 0 Normal
01/26/2026 07 PM PST 1.29 81 0 Normal
01/26/2026 08 PM PST 1.29 81 0 Normal
01/26/2026 09 PM PST 1.29 81 0 Normal
01/26/2026 10 PM PST 1.29 81 0 Normal
01/26/2026 11 PM PST 1.29 81 0 Normal
01/27/2026 12 AM PST 1.29 81 0 Normal
01/27/2026 01 AM PST 1.29 81 0 Normal
01/27/2026 02 AM PST 1.29 81 0 Normal
01/27/2026 03 AM PST 1.28 80 - Normal
01/27/2026 04 AM PST 1.28 80 0 Normal
01/27/2026 05 AM PST 1.28 80 0 Normal
01/27/2026 06 AM PST 1.28 80 0 Normal
01/27/2026 07 AM PST 1.28 80 0 Normal
01/27/2026 08 AM PST 1.28 80 0 Normal
01/27/2026 09 AM PST 1.28 80 0 Normal
01/27/2026 10 AM PST 1.27 78 - Normal
01/27/2026 11 AM PST 1.27 78 0 Normal
01/27/2026 12 PM PST 1.27 78 0 Normal
01/27/2026 01 PM PST 1.27 78 0 Normal
01/27/2026 02 PM PST 1.27 78 0 Normal
01/27/2026 03 PM PST 1.27 78 0 Normal
01/27/2026 04 PM PST 1.27 78 0 Normal
01/27/2026 05 PM PST 1.27 78 0 Normal
01/27/2026 06 PM PST 1.27 78 0 Normal
01/27/2026 07 PM PST 1.27 78 0 Normal
01/27/2026 08 PM PST 1.27 78 0 Normal
01/27/2026 09 PM PST 1.27 78 0 Normal
01/27/2026 10 PM PST 1.27 78 0 Normal
01/27/2026 11 PM PST 1.27 78 0 Normal
01/28/2026 12 AM PST 1.27 78 0 Normal
01/28/2026 01 AM PST 1.27 78 0 Normal
01/28/2026 02 AM PST 1.27 78 0 Normal
01/28/2026 03 AM PST 1.27 78 0 Normal
01/28/2026 04 AM PST 1.26 77 - 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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