CNRFC - Hydrology - River Guidance - Tabular Data

Location:

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KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">WALKER RIVER - MASON AT SNYDER LANE (MASN2)
Latitude: 38.92º N Longitude: 119.19º W Elevation: 4420 Feet Forecast Type: Official Location
Location: Lyon County in Nevada Bulletin Group: Eastern Sierra River Group: Eastern Sierra
Issuance Time: Oct 22 2026 at 8:16 AM PDT Next Issuance: Oct 23 2026 at 9:00 AM PDT width="16%">
Action: 9.0 Feet Minor Flood: 9.8 Feet Moderate Flood: 11.0 Feet Major Flood: 11.6 Feet
Please Note: Significant losses can occur in the Mason Valley upstream of the Mason stream gage. Increased forecast uncertainty exists in the long range forecast due to these unknown losses.

# Tabular Observed and Forecast Hydrograph Information River - Mason at Snyder Lane (MASN2) 10/22/2026 at 08:16 AM PDT Date & Time of Maximum Observed: 10/21/2026 at 11:00 AM PDT 3.92 Feet 114 cfs & Time of Maximum Forecast: 10/27/2026 at 04:00 AM PDT 3.98 Feet 123 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 3.66 82 Normal 3.66 82 0 Normal 3.65 81 - Normal 3.65 81 0 Normal 3.65 81 0 Normal 3.65 81 0 Normal 3.65 81 0 Normal 3.65 81 0 Normal 3.66 82 + Normal 3.66 82 0 Normal 3.66 82 0 Normal 3.66 82 0 Normal 3.67 83 + Normal 3.66 82 - Normal 3.67 83 + Normal 3.67 83 0 Normal 3.66 82 - Normal 3.66 82 0 Normal 3.66 82 0 Normal 3.67 83 + Normal 3.66 82 - Normal 3.66 82 0 Normal 3.65 81 - Normal 3.66 82 + Normal 3.66 82 0 Normal 3.66 82 0 Normal 3.66 82 0 Normal 3.65 81 - Normal 3.65 81 0 Normal 3.65 81 0 Normal 3.64 80 - Normal 3.64 80 0 Normal 3.64 80 0 Normal 3.65 81 + Normal 3.65 81 0 Normal 3.65 81 0 Normal 3.65 81 0 Normal 3.66 82 + Normal 3.67 83 + Normal 3.67 83 0 Normal 3.68 85 + Normal 3.69 86 + Normal 3.70 87 + Normal 3.73 90 + Normal 3.74 92 + Normal 3.74 92 0 Normal 3.75 93 + Normal 3.74 92 - Normal 3.73 90 - Normal 3.73 90 0 Normal 3.73 90 0 Normal 3.75 93 + Normal 3.77 95 + Normal 3.78 96 + Normal 3.79 98 + Normal 3.78 96 - Normal 3.78 96 0 Normal 3.78 96 0 Normal 3.78 96 0 Normal 3.78 96 0 Normal 3.79 98 + Normal 3.78 96 - Normal 3.77 95 - Normal 3.77 95 0 Normal 3.77 95 0 Normal 3.77 95 0 Normal 3.77 95 0 Normal 3.77 95 0 Normal 3.77 95 0 Normal 3.78 96 + Normal 3.78 96 0 Normal 3.78 96 0 Normal 3.78 96 0 Normal 3.77 95 - Normal 3.78 96 + Normal 3.79 98 + Normal 3.81 100 + Normal 3.82 101 + Normal 3.82 101 0 Normal 3.82 101 0 Normal 3.83 103 + Normal 3.83 103 0 Normal 3.82 101 - Normal 3.83 103 + Normal 3.83 103 0 Normal 3.84 104 + Normal 3.85 105 + Normal 3.85 105 0 Normal 3.85 105 0 Normal 3.85 105 0 Normal 3.85 105 0 Normal 3.86 107 + Normal 3.87 108 + Normal 3.88 109 + Normal 3.88 109 0 Normal 3.88 109 0 Normal 3.90 112 + Normal 3.91 113 + Normal 3.91 113 0 Normal 3.92 114 + Normal 3.90 112 - Normal 3.88 109 - Normal 3.88 109 0 Normal 3.88 109 0 Normal 3.88 109 0 Normal 3.88 109 0 Normal 3.87 108 - Normal 3.89 110 + Normal 3.89 110 0 Normal 3.89 110 0 Normal 3.89 110 0 Normal 3.88 109 - Normal 3.90 112 + Normal 3.90 112 0 Normal 3.90 112 0 Normal 3.90 112 0 Normal 3.89 110 - Normal 3.88 109 - Normal 3.88 109 0 Normal 3.88 109 0 Normal 3.87 108 - Normal Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 3.87 108 Normal 3.87 108 0 Normal 3.87 108 0 Normal 3.87 108 0 Normal 3.87 108 0 Normal 3.87 108 0 Normal 3.88 109 + Normal 3.88 109 0 Normal 3.88 109 0 Normal 3.89 110 + Normal 3.89 110 0 Normal 3.90 112 + Normal 3.90 112 0 Normal 3.91 113 + Normal 3.92 114 + Normal 3.92 114 0 Normal 3.93 116 + Normal 3.93 116 0 Normal 3.94 117 + Normal 3.94 117 0 Normal 3.94 117 0 Normal 3.94 117 0 Normal 3.95 119 + Normal 3.95 119 0 Normal 3.95 119 0 Normal 3.95 119 0 Normal 3.95 119 0 Normal 3.95 119 0 Normal 3.95 119 0 Normal 3.96 120 + Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.95 119 - Normal 3.95 119 0 Normal 3.96 120 + Normal 3.96 120 0 Normal 3.95 119 - Normal 3.95 119 0 Normal 3.95 119 0 Normal 3.96 120 + Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.96 120 0 Normal 3.97 121 + Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.97 121 0 Normal 3.98 123 + Normal 3.98 123 0 Normal Stages are rounded to the nearest hundredth (.01) of a foot. Flows are rounded to the nearest (1) cfs. Trends are determined using hourly change in unrounded stage and flow. Maximum Values are determined using unrounded stage and flow. End Web Content -->
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