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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: | Jul 18 2025 at 7:04 AM PDT | Next Issuance: | Jul 19 2025 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: 07/18/2025 at 07:04 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/13/2025 at 11:00 AM PDT
# Maximum Observed Stage: 1.62 Feet
# Maximum Observed Flow: 140 cfs
#
# Earliest Date & Time of Maximum Forecast: 07/18/2025 at 07:00 AM PDT
# Maximum Forecast Stage: 1.39 Feet
# Maximum Forecast Flow: 96 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/13/2025 07 AM PDT 1.59 134 Normal
07/13/2025 08 AM PDT 1.61 138 + Normal
07/13/2025 09 AM PDT 1.61 138 0 Normal
07/13/2025 10 AM PDT 1.60 136 - Normal
07/13/2025 11 AM PDT 1.62 140 + Normal
07/13/2025 12 PM PDT 1.61 138 - Normal
07/13/2025 01 PM PDT 1.60 136 - Normal
07/13/2025 02 PM PDT 1.60 136 0 Normal
07/13/2025 03 PM PDT 1.59 134 - Normal
07/13/2025 04 PM PDT 1.59 134 0 Normal
07/13/2025 05 PM PDT 1.56 128 - Normal
07/13/2025 06 PM PDT 1.55 126 - Normal
07/13/2025 07 PM PDT 1.52 120 - Normal
07/13/2025 08 PM PDT 1.54 124 + Normal
07/13/2025 09 PM PDT 1.52 120 - Normal
07/13/2025 10 PM PDT 1.53 122 + Normal
07/13/2025 11 PM PDT 1.52 120 - Normal
07/14/2025 12 AM PDT 1.53 122 + Normal
07/14/2025 01 AM PDT 1.53 122 0 Normal
07/14/2025 02 AM PDT 1.53 122 0 Normal
07/14/2025 03 AM PDT 1.54 124 + Normal
07/14/2025 04 AM PDT 1.54 124 0 Normal
07/14/2025 05 AM PDT 1.55 126 + Normal
07/14/2025 06 AM PDT 1.56 128 + Normal
07/14/2025 07 AM PDT 1.57 130 + Normal
07/14/2025 08 AM PDT 1.57 130 0 Normal
07/14/2025 09 AM PDT 1.57 130 0 Normal
07/14/2025 10 AM PDT 1.58 132 + Normal
07/14/2025 11 AM PDT 1.58 132 0 Normal
07/14/2025 12 PM PDT 1.58 132 0 Normal
07/14/2025 01 PM PDT 1.58 132 0 Normal
07/14/2025 02 PM PDT 1.56 128 - Normal
07/14/2025 03 PM PDT 1.56 128 0 Normal
07/14/2025 04 PM PDT 1.55 126 - Normal
07/14/2025 05 PM PDT 1.52 120 - Normal
07/14/2025 06 PM PDT 1.52 120 0 Normal
07/14/2025 07 PM PDT 1.49 114 - Normal
07/14/2025 08 PM PDT 1.49 114 0 Normal
07/14/2025 09 PM PDT 1.48 112 - Normal
07/14/2025 10 PM PDT 1.49 114 + Normal
07/14/2025 11 PM PDT 1.47 111 - Normal
07/15/2025 12 AM PDT 1.49 114 + Normal
07/15/2025 01 AM PDT 1.50 116 + Normal
07/15/2025 02 AM PDT 1.50 116 0 Normal
07/15/2025 03 AM PDT 1.50 116 0 Normal
07/15/2025 04 AM PDT 1.51 118 + Normal
07/15/2025 05 AM PDT 1.52 120 + Normal
07/15/2025 06 AM PDT 1.52 120 0 Normal
07/15/2025 07 AM PDT 1.53 122 + Normal
07/15/2025 08 AM PDT 1.53 122 0 Normal
07/15/2025 09 AM PDT 1.54 124 + Normal
07/15/2025 10 AM PDT 1.54 124 0 Normal
07/15/2025 11 AM PDT 1.56 128 + Normal
07/15/2025 12 PM PDT 1.54 124 - Normal
07/15/2025 01 PM PDT 1.53 122 - Normal
07/15/2025 02 PM PDT 1.53 122 0 Normal
07/15/2025 03 PM PDT 1.52 120 - Normal
07/15/2025 04 PM PDT 1.52 120 0 Normal
07/15/2025 05 PM PDT 1.50 116 - Normal
07/15/2025 06 PM PDT 1.48 112 - Normal
07/15/2025 07 PM PDT 1.46 109 - Normal
07/15/2025 08 PM PDT 1.44 105 - Normal
07/15/2025 09 PM PDT 1.44 105 0 Normal
07/15/2025 10 PM PDT 1.44 105 0 Normal
07/15/2025 11 PM PDT 1.43 103 - Normal
07/16/2025 12 AM PDT 1.45 107 + Normal
07/16/2025 01 AM PDT 1.45 107 0 Normal
07/16/2025 02 AM PDT 1.45 107 0 Normal
07/16/2025 03 AM PDT 1.45 107 0 Normal
07/16/2025 04 AM PDT 1.47 111 + Normal
07/16/2025 05 AM PDT 1.48 112 + Normal
07/16/2025 06 AM PDT 1.48 112 0 Normal
07/16/2025 07 AM PDT 1.49 114 + Normal
07/16/2025 08 AM PDT 1.49 114 0 Normal
07/16/2025 09 AM PDT 1.50 116 + Normal
07/16/2025 10 AM PDT 1.50 116 0 Normal
07/16/2025 11 AM PDT 1.50 116 0 Normal
07/16/2025 12 PM PDT 1.50 116 0 Normal
07/16/2025 01 PM PDT 1.50 116 0 Normal
07/16/2025 02 PM PDT 1.49 114 - Normal
07/16/2025 03 PM PDT 1.48 112 - Normal
07/16/2025 04 PM PDT 1.47 111 - Normal
07/16/2025 05 PM PDT 1.46 109 - Normal
07/16/2025 06 PM PDT 1.46 109 0 Normal
07/16/2025 07 PM PDT 1.44 105 - Normal
07/16/2025 08 PM PDT 1.42 102 - Normal
07/16/2025 09 PM PDT 1.42 102 0 Normal
07/16/2025 10 PM PDT 1.42 102 0 Normal
07/16/2025 11 PM PDT 1.41 100 - Normal
07/17/2025 12 AM PDT 1.41 100 0 Normal
07/17/2025 01 AM PDT 1.42 102 + Normal
07/17/2025 02 AM PDT 1.41 100 - Normal
07/17/2025 03 AM PDT 1.43 103 + Normal
07/17/2025 04 AM PDT 1.44 105 + Normal
07/17/2025 05 AM PDT 1.43 103 - Normal
07/17/2025 06 AM PDT 1.46 109 + Normal
07/17/2025 07 AM PDT 1.46 109 0 Normal
07/17/2025 08 AM PDT 1.46 109 0 Normal
07/17/2025 09 AM PDT 1.46 109 0 Normal
07/17/2025 10 AM PDT 1.47 111 + Normal
07/17/2025 11 AM PDT 1.48 112 + Normal
07/17/2025 12 PM PDT 1.47 111 - Normal
07/17/2025 01 PM PDT 1.46 109 - Normal
07/17/2025 02 PM PDT 1.46 109 0 Normal
07/17/2025 03 PM PDT 1.45 107 - Normal
07/17/2025 04 PM PDT 1.44 105 - Normal
07/17/2025 05 PM PDT 1.42 102 - Normal
07/17/2025 06 PM PDT 1.40 98 - Normal
07/17/2025 07 PM PDT 1.40 98 0 Normal
07/17/2025 08 PM PDT 1.40 98 0 Normal
07/17/2025 09 PM PDT 1.39 96 - Normal
07/17/2025 10 PM PDT 1.39 96 0 Normal
07/17/2025 11 PM PDT 1.36 91 - Normal
07/18/2025 12 AM PDT 1.37 93 + Normal
07/18/2025 01 AM PDT 1.39 96 + Normal
07/18/2025 02 AM PDT 1.38 95 - Normal
07/18/2025 03 AM PDT 1.39 96 + Normal
07/18/2025 04 AM PDT 1.40 98 + Normal
07/18/2025 05 AM PDT 1.40 98 0 Normal
07/18/2025 06 AM PDT 1.40 98 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
07/18/2025 07 AM PDT 1.39 96 Normal
07/18/2025 08 AM PDT 1.39 96 0 Normal
07/18/2025 09 AM PDT 1.38 95 - Normal
07/18/2025 10 AM PDT 1.38 95 0 Normal
07/18/2025 11 AM PDT 1.38 95 0 Normal
07/18/2025 12 PM PDT 1.37 93 - Normal
07/18/2025 01 PM PDT 1.37 93 0 Normal
07/18/2025 02 PM PDT 1.36 91 - Normal
07/18/2025 03 PM PDT 1.36 91 0 Normal
07/18/2025 04 PM PDT 1.36 91 0 Normal
07/18/2025 05 PM PDT 1.36 91 0 Normal
07/18/2025 06 PM PDT 1.36 91 0 Normal
07/18/2025 07 PM PDT 1.37 93 + Normal
07/18/2025 08 PM PDT 1.37 93 0 Normal
07/18/2025 09 PM PDT 1.37 93 0 Normal
07/18/2025 10 PM PDT 1.38 95 + Normal
07/18/2025 11 PM PDT 1.38 95 0 Normal
07/19/2025 12 AM PDT 1.38 95 0 Normal
07/19/2025 01 AM PDT 1.38 95 0 Normal
07/19/2025 02 AM PDT 1.38 95 0 Normal
07/19/2025 03 AM PDT 1.38 95 0 Normal
07/19/2025 04 AM PDT 1.38 95 0 Normal
07/19/2025 05 AM PDT 1.38 95 0 Normal
07/19/2025 06 AM PDT 1.38 95 0 Normal
07/19/2025 07 AM PDT 1.37 93 - Normal
07/19/2025 08 AM PDT 1.37 93 0 Normal
07/19/2025 09 AM PDT 1.37 93 0 Normal
07/19/2025 10 AM PDT 1.37 93 0 Normal
07/19/2025 11 AM PDT 1.36 91 - Normal
07/19/2025 12 PM PDT 1.36 91 0 Normal
07/19/2025 01 PM PDT 1.36 91 0 Normal
07/19/2025 02 PM PDT 1.36 91 0 Normal
07/19/2025 03 PM PDT 1.35 90 - Normal
07/19/2025 04 PM PDT 1.35 90 0 Normal
07/19/2025 05 PM PDT 1.35 90 0 Normal
07/19/2025 06 PM PDT 1.35 90 0 Normal
07/19/2025 07 PM PDT 1.35 90 0 Normal
07/19/2025 08 PM PDT 1.35 90 0 Normal
07/19/2025 09 PM PDT 1.36 91 + Normal
07/19/2025 10 PM PDT 1.36 91 0 Normal
07/19/2025 11 PM PDT 1.36 91 0 Normal
07/20/2025 12 AM PDT 1.36 91 0 Normal
07/20/2025 01 AM PDT 1.36 91 0 Normal
07/20/2025 02 AM PDT 1.35 90 - Normal
07/20/2025 03 AM PDT 1.35 90 0 Normal
07/20/2025 04 AM PDT 1.35 90 0 Normal
07/20/2025 05 AM PDT 1.35 90 0 Normal
07/20/2025 06 AM PDT 1.35 90 0 Normal
07/20/2025 07 AM PDT 1.35 90 0 Normal
07/20/2025 08 AM PDT 1.35 90 0 Normal
07/20/2025 09 AM PDT 1.34 88 - Normal
07/20/2025 10 AM PDT 1.34 88 0 Normal
07/20/2025 11 AM PDT 1.34 88 0 Normal
07/20/2025 12 PM PDT 1.34 88 0 Normal
07/20/2025 01 PM PDT 1.34 88 0 Normal
07/20/2025 02 PM PDT 1.33 87 - Normal
07/20/2025 03 PM PDT 1.33 87 0 Normal
07/20/2025 04 PM PDT 1.33 87 0 Normal
07/20/2025 05 PM PDT 1.33 87 0 Normal
07/20/2025 06 PM PDT 1.33 87 0 Normal
07/20/2025 07 PM PDT 1.33 87 0 Normal
07/20/2025 08 PM PDT 1.33 87 0 Normal
07/20/2025 09 PM PDT 1.33 87 0 Normal
07/20/2025 10 PM PDT 1.33 87 0 Normal
07/20/2025 11 PM PDT 1.33 87 0 Normal
07/21/2025 12 AM PDT 1.33 87 0 Normal
07/21/2025 01 AM PDT 1.33 87 0 Normal
07/21/2025 02 AM PDT 1.33 87 0 Normal
07/21/2025 03 AM PDT 1.33 87 0 Normal
07/21/2025 04 AM PDT 1.33 87 0 Normal
07/21/2025 05 AM PDT 1.33 87 0 Normal
07/21/2025 06 AM PDT 1.33 87 0 Normal
07/21/2025 07 AM PDT 1.33 87 0 Normal
07/21/2025 08 AM PDT 1.32 85 - Normal
07/21/2025 09 AM PDT 1.32 85 0 Normal
07/21/2025 10 AM PDT 1.32 85 0 Normal
07/21/2025 11 AM PDT 1.32 85 0 Normal
07/21/2025 12 PM PDT 1.31 83 - Normal
07/21/2025 01 PM PDT 1.31 83 0 Normal
07/21/2025 02 PM PDT 1.31 83 0 Normal
07/21/2025 03 PM PDT 1.31 83 0 Normal
07/21/2025 04 PM PDT 1.31 83 0 Normal
07/21/2025 05 PM PDT 1.31 83 0 Normal
07/21/2025 06 PM PDT 1.31 83 0 Normal
07/21/2025 07 PM PDT 1.31 83 0 Normal
07/21/2025 08 PM PDT 1.31 83 0 Normal
07/21/2025 09 PM PDT 1.31 83 0 Normal
07/21/2025 10 PM PDT 1.31 83 0 Normal
07/21/2025 11 PM PDT 1.31 83 0 Normal
07/22/2025 12 AM PDT 1.31 83 0 Normal
07/22/2025 01 AM PDT 1.31 83 0 Normal
07/22/2025 02 AM PDT 1.31 83 0 Normal
07/22/2025 03 AM PDT 1.31 83 0 Normal
07/22/2025 04 AM PDT 1.31 83 0 Normal
07/22/2025 05 AM PDT 1.31 83 0 Normal
07/22/2025 06 AM PDT 1.30 82 - Normal
07/22/2025 07 AM PDT 1.30 82 0 Normal
07/22/2025 08 AM PDT 1.30 82 0 Normal
07/22/2025 09 AM PDT 1.30 82 0 Normal
07/22/2025 10 AM PDT 1.30 82 0 Normal
07/22/2025 11 AM PDT 1.29 80 - Normal
07/22/2025 12 PM PDT 1.29 80 0 Normal
07/22/2025 01 PM PDT 1.29 80 0 Normal
07/22/2025 02 PM PDT 1.29 80 0 Normal
07/22/2025 03 PM PDT 1.28 79 - Normal
07/22/2025 04 PM PDT 1.28 79 0 Normal
07/22/2025 05 PM PDT 1.28 79 0 Normal
07/22/2025 06 PM PDT 1.28 79 0 Normal
07/22/2025 07 PM PDT 1.28 79 0 Normal
07/22/2025 08 PM PDT 1.28 79 0 Normal
07/22/2025 09 PM PDT 1.29 80 + Normal
07/22/2025 10 PM PDT 1.29 80 0 Normal
07/22/2025 11 PM PDT 1.29 80 0 Normal
07/23/2025 12 AM PDT 1.29 80 0 Normal
07/23/2025 01 AM PDT 1.29 80 0 Normal
07/23/2025 02 AM PDT 1.29 80 0 Normal
07/23/2025 03 AM PDT 1.29 80 0 Normal
07/23/2025 04 AM PDT 1.28 79 - Normal
07/23/2025 05 AM PDT 1.28 79 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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