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: May 01 2025 at 9:28 AM PDT Next Issuance: May 02 2025 at 9:00 AM PDT 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) 05/01/2025 at 09:28 AM PDT Date & Time of Maximum Observed: 05/01/2025 at 03:00 AM PDT 4.39 Feet 1005 cfs & Time of Maximum Forecast: 05/03/2025 at 02:00 AM PDT 5.24 Feet 1571 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 4.02 799 Normal 3.99 784 - Normal 4.00 789 + Normal 3.98 779 - Normal 3.98 779 0 Normal 3.97 774 - Normal 3.96 769 - Normal 3.96 769 0 Normal 3.96 769 0 Normal 3.94 758 - Normal 3.92 748 - Normal 3.92 748 0 Normal 3.89 733 - Normal 3.89 733 0 Normal 3.89 733 0 Normal 3.84 709 - Normal 3.82 699 - Normal 3.81 694 - Normal 3.82 699 + Normal 3.81 694 - Normal 3.78 680 - Normal 3.77 675 - Normal 3.75 666 - Normal 3.74 661 - Normal 3.75 666 + Normal 3.72 652 - Normal 3.69 638 - Normal 3.69 638 0 Normal 3.66 624 - Normal 3.70 643 + Normal 3.69 638 - Normal 3.65 620 - Normal 3.65 620 0 Normal 3.62 606 - Normal 3.64 615 + Normal 3.62 606 - Normal 3.59 593 - Normal 3.61 602 + Normal 3.59 593 - Normal 3.58 589 - Normal 3.58 589 0 Normal 3.55 576 - Normal 3.54 571 - Normal 3.54 571 0 Normal 3.52 563 - Normal 3.50 554 - Normal 3.49 550 - Normal 3.47 541 - Normal 3.45 533 - Normal 3.44 529 - Normal 3.46 537 + Normal 3.40 513 - Normal 3.41 517 + Normal 3.43 525 + Normal 3.44 529 + Normal 3.41 517 - Normal 3.41 517 0 Normal 3.42 521 + Normal 3.45 533 + Normal 3.48 546 + Normal 3.49 550 + Normal 3.49 550 0 Normal 3.53 567 + Normal 3.54 571 + Normal 3.54 571 0 Normal 3.54 571 0 Normal 3.56 580 + Normal 3.51 558 - Normal 3.54 571 + Normal 3.54 571 0 Normal 3.54 571 0 Normal 3.55 576 + Normal 3.53 567 - Normal 3.50 554 - Normal 3.52 563 + Normal 3.50 554 - Normal 3.49 550 - Normal 3.49 550 0 Normal 3.48 546 - Normal 3.49 550 + Normal 3.47 541 - Normal 3.49 550 + Normal 3.52 563 + Normal 3.62 606 + Normal 3.67 629 + Normal 3.75 666 + Normal 3.82 699 + Normal 3.88 728 + Normal 3.91 743 + Normal 3.93 753 + Normal 3.97 774 + Normal 3.98 779 + Normal 4.01 794 + Normal 4.03 805 + Normal 4.04 810 + Normal 4.03 805 - Normal 3.99 784 - Normal 4.01 794 + Normal 4.01 794 0 Normal 3.97 774 - Normal 3.99 784 + Normal 3.97 774 - Normal 3.94 758 - Normal 3.96 769 + Normal 3.96 769 0 Normal 4.00 789 + Normal 4.08 831 + Normal 4.19 891 + Normal 4.27 935 + Normal 4.31 958 + Normal 4.38 999 + Normal 4.36 987 - Normal 4.37 993 + Normal 4.39 1005 + Normal 4.39 1005 0 Normal 4.35 981 - Normal 4.33 970 - Normal 4.28 941 - Normal 4.26 930 - Normal 4.25 924 - Normal 4.23 913 - Normal Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 4.22 907 Normal 4.18 885 - Normal 4.17 880 - Normal 4.14 863 - Normal 4.13 858 - Normal 4.12 852 - Normal 4.11 847 - Normal 4.16 874 + Normal 4.24 918 + Normal 4.31 958 + Normal 4.39 1005 + Normal 4.46 1047 + Normal 4.53 1089 + Normal 4.58 1121 + Normal 4.61 1140 + Normal 4.64 1159 + Normal 4.68 1184 + Normal 4.69 1191 + Normal 4.71 1204 + Normal 4.72 1210 + Normal 4.70 1197 - Normal 4.67 1178 - Normal 4.64 1159 - Normal 4.60 1133 - Normal 4.58 1121 - Normal 4.54 1096 - Normal 4.53 1089 - Normal 4.50 1071 - Normal 4.49 1065 - Normal 4.48 1059 - Normal 4.47 1053 - Normal 4.53 1089 + Normal 4.63 1152 + Normal 4.74 1223 + Normal 4.87 1309 + Normal 4.98 1384 + Normal 5.09 1462 + Normal 5.18 1527 + Normal 5.20 1542 + Normal 5.22 1556 + Normal 5.24 1571 + Normal 5.24 1571 0 Normal 5.24 1571 0 Normal 5.24 1571 0 Normal 5.20 1542 - Normal 5.16 1512 - Normal 5.11 1476 - Normal 5.07 1447 - Normal 5.03 1419 - Normal 4.97 1377 - Normal 4.95 1363 - Normal 4.91 1336 - Normal 4.88 1316 - Normal 4.87 1309 - Normal 4.85 1295 - Normal 4.90 1329 + Normal 4.96 1370 + Normal 5.01 1405 + Normal 5.07 1447 + Normal 5.11 1476 + Normal 5.16 1512 + Normal 5.17 1520 + Normal 5.17 1520 0 Normal 5.17 1520 0 Normal 5.16 1512 - Normal 5.15 1505 - Normal 5.14 1498 - Normal 5.13 1490 - Normal 5.11 1476 - Normal 5.09 1462 - Normal 5.07 1447 - Normal 5.05 1433 - Normal 5.04 1426 - Normal 5.01 1405 - Normal 5.00 1398 - Normal 4.97 1377 - Normal 4.96 1370 - Normal 4.94 1356 - Normal 4.93 1350 - Normal 4.93 1350 0 Normal 4.94 1356 + Normal 4.94 1356 0 Normal 4.95 1363 + Normal 4.96 1370 + Normal 4.97 1377 + Normal 4.97 1377 0 Normal 4.97 1377 0 Normal 4.97 1377 0 Normal 4.97 1377 0 Normal 4.96 1370 - Normal 4.95 1363 - Normal 4.94 1356 - Normal 4.91 1336 - Normal 4.87 1309 - Normal 4.83 1282 - Normal 4.79 1256 - Normal 4.75 1229 - Normal 4.69 1191 - Normal 4.67 1178 - Normal 4.62 1146 - Normal 4.59 1127 - Normal 4.56 1108 - Normal 4.52 1083 - Normal 4.54 1096 + Normal 4.59 1127 + Normal 4.64 1159 + Normal 4.71 1204 + Normal 4.77 1242 + Normal 4.84 1289 + Normal 4.87 1309 + Normal 4.91 1336 + Normal 4.94 1356 + Normal 4.97 1377 + Normal 4.98 1384 + Normal 4.99 1391 + Normal 5.00 1398 + 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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