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">MERCED RIVER - YOSEMITE NP AT HAPPY ISLES (HPIC1)
Latitude: 37.73º N Longitude: 119.56º W Elevation: 4017 Feet
Location: Mariposa County in California Bulletin Group: San Joaquin River Group: San Joaquin
Issuance Time: Dec 25 2025 at 2:10 PM PST Next Issuance: Dec 26 2025 at 9:00 AM PST width="16%">
Action/Monitor: N/A Minor Flood: 7.5 Feet Moderate Flood: 10.0 Feet Major Flood: 13.27 Feet

# Tabular Observed and Forecast Hydrograph Information River - Yosemite NP at Happy Isles (HPIC1) 12/25/2025 at 02:10 PM PST Date & Time of Maximum Observed: 12/24/2025 at 02:00 PM PST 2.91 Feet 312 cfs & Time of Maximum Forecast: 12/26/2025 at 11:00 AM PST 2.58 Feet 216 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 2.08 95 Normal 2.08 95 0 Normal 2.09 97 + Normal 2.10 98 + Normal 2.11 100 + Normal 2.12 102 + Normal 2.13 103 + Normal 2.14 105 + Normal 2.15 107 + Normal 2.15 107 0 Normal 2.16 109 + Normal 2.16 109 0 Normal 2.17 111 + Normal 2.19 115 + Normal 2.19 115 0 Normal 2.20 117 + Normal 2.21 119 + Normal 2.23 123 + Normal 2.25 127 + Normal 2.26 130 + Normal 2.27 132 + Normal 2.32 145 + Normal 2.36 156 + Normal 2.40 167 + Normal 2.41 170 + Normal 2.42 172 + Normal 2.45 181 + Normal 2.49 192 + Normal 2.51 197 + Normal 2.53 203 + Normal 2.55 208 + Normal 2.56 211 + Normal 2.55 208 - Normal 2.55 208 0 Normal 2.55 208 0 Normal 2.54 206 - Normal 2.55 208 + Normal 2.53 203 - Normal 2.52 200 - Normal 2.50 194 - Normal 2.50 194 0 Normal 2.50 194 0 Normal 2.48 189 - Normal 2.47 186 - Normal 2.46 184 - Normal 2.44 178 - Normal 2.43 175 - Normal 2.41 170 - Normal 2.41 170 0 Normal 2.39 164 - Normal 2.39 164 0 Normal 2.37 159 - Normal 2.36 156 - Normal 2.35 154 - Normal 2.35 154 0 Normal 2.33 148 - Normal 2.32 145 - Normal 2.31 143 - Normal 2.30 140 - Normal 2.29 137 - Normal 2.29 137 0 Normal 2.28 135 - Normal 2.27 132 - Normal 2.27 132 0 Normal 2.26 130 - Normal 2.24 125 - Normal 2.24 125 0 Normal 2.22 121 - Normal 2.22 121 0 Normal 2.20 117 - Normal 2.19 115 - Normal 2.19 115 0 Normal 2.18 113 - Normal 2.18 113 0 Normal 2.15 107 - Normal 2.15 107 0 Normal 2.15 107 0 Normal 2.15 107 0 Normal 2.13 103 - Normal 2.13 103 0 Normal 2.14 105 + Normal 2.14 105 0 Normal 2.14 105 0 Normal 2.15 107 + Normal 2.18 113 + Normal 2.20 117 + Normal 2.25 127 + Normal 2.33 148 + Normal 2.37 159 + Normal 2.42 172 + Normal 2.46 184 + Normal 2.52 200 + Normal 2.57 213 + Normal 2.62 227 + Normal 2.86 296 + Normal 2.88 303 + Normal 2.91 312 + Normal 2.86 296 - Normal 2.82 284 - Normal 2.80 278 - Normal 2.75 263 - Normal 2.71 252 - Normal 2.70 249 - Normal 2.69 246 - Normal 2.68 243 - Normal 2.71 252 + Normal 2.67 240 - Normal 2.63 229 - Normal 2.59 219 - Normal 2.57 213 - Normal 2.54 206 - Normal 2.52 200 - Normal 2.52 200 0 Normal 2.54 206 + Normal 2.59 219 + Normal 2.63 229 + Normal 2.65 235 + Normal 2.61 224 - Normal 2.58 216 - Normal 2.56 211 - Normal Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 2.54 206 Normal 2.52 200 - Normal 2.51 197 - Normal 2.49 192 - Normal 2.48 189 - Normal 2.48 189 0 Normal 2.47 186 - Normal 2.46 184 - Normal 2.46 184 0 Normal 2.46 184 0 Normal 2.46 184 0 Normal 2.46 184 0 Normal 2.47 186 + Normal 2.48 189 + Normal 2.50 194 + Normal 2.51 197 + Normal 2.52 200 + Normal 2.54 206 + Normal 2.55 208 + Normal 2.56 211 + Normal 2.57 213 + Normal 2.58 216 + Normal 2.57 213 - Normal 2.56 211 - Normal 2.55 208 - Normal 2.54 206 - Normal 2.52 200 - Normal 2.50 194 - Normal 2.48 189 - Normal 2.46 184 - Normal 2.45 181 - Normal 2.43 175 - Normal 2.42 172 - Normal 2.41 170 - Normal 2.40 167 - Normal 2.38 161 - Normal 2.37 159 - Normal 2.36 156 - Normal 2.35 154 - Normal 2.35 154 0 Normal 2.34 151 - Normal 2.33 148 - Normal 2.32 145 - Normal 2.32 145 0 Normal 2.31 143 - Normal 2.30 140 - Normal 2.30 140 0 Normal 2.29 137 - Normal 2.29 137 0 Normal 2.28 135 - Normal 2.28 135 0 Normal 2.27 132 - Normal 2.27 132 0 Normal 2.27 132 0 Normal 2.26 130 - Normal 2.26 130 0 Normal 2.25 127 - Normal 2.25 127 0 Normal 2.24 125 - Normal 2.24 125 0 Normal 2.23 123 - Normal 2.23 123 0 Normal 2.23 123 0 Normal 2.22 121 - Normal 2.22 121 0 Normal 2.21 119 - Normal 2.21 119 0 Normal 2.21 119 0 Normal 2.20 117 - Normal 2.20 117 0 Normal 2.19 115 - Normal 2.19 115 0 Normal 2.19 115 0 Normal 2.18 113 - Normal 2.18 113 0 Normal 2.17 111 - Normal 2.17 111 0 Normal 2.17 111 0 Normal 2.16 109 - Normal 2.16 109 0 Normal 2.15 107 - Normal 2.15 107 0 Normal 2.14 105 - Normal 2.14 105 0 Normal 2.13 103 - Normal 2.13 103 0 Normal 2.12 102 - Normal 2.12 102 0 Normal 2.12 102 0 Normal 2.12 102 0 Normal 2.12 102 0 Normal 2.12 102 0 Normal 2.11 100 - Normal 2.11 100 0 Normal 2.11 100 0 Normal 2.11 100 0 Normal 2.11 100 0 Normal 2.10 98 - Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 0 Normal 2.10 98 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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