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">TUOLUMNE RIVER - MODESTO (MDSC1)
Latitude: 37.63º N Longitude: 120.99º W Elevation: 60 Feet Forecast Type: Official Location
Location: Stanislaus County in California Bulletin Group: San Joaquin River Group: San Joaquin
Issuance Time: Apr 20 2026 at 7:52 AM PDT Next Issuance: Apr 21 2026 at 9:00 AM PDT width="16%">
Action/Monitor: 50.5 Feet Minor Flood: 55.0 Feet Moderate Flood: 66.0 Feet Major Flood: 67.0 Feet

# Tabular Observed and Forecast Hydrograph Information River - Modesto (MDSC1) 04/20/2026 at 07:52 AM PDT Date & Time of Maximum Observed: 04/20/2026 at 07:00 AM PDT 38.53 Feet 690 cfs & Time of Maximum Forecast: 04/22/2026 at 10:00 PM PDT 40.30 Feet 1319 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 37.01 234 Normal 37.02 236 + Normal 37.02 236 0 Normal 37.02 236 0 Normal 37.03 239 + Normal 37.04 241 + Normal 37.04 241 0 Normal 37.05 244 + Normal 37.05 244 0 Normal 37.04 241 - Normal 37.05 244 + Normal 37.04 241 - Normal 37.04 241 0 Normal 37.04 241 0 Normal 37.04 241 0 Normal 37.04 241 0 Normal 37.04 241 0 Normal 37.03 239 - Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.02 236 - Normal 37.03 239 + Normal 37.02 236 - Normal 37.02 236 0 Normal 37.02 236 0 Normal 37.03 239 + Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.04 241 + Normal 37.04 241 0 Normal 37.04 241 0 Normal 37.04 241 0 Normal 37.03 239 - Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.02 236 - Normal 37.03 239 + Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.03 239 0 Normal 37.04 241 + Normal 37.05 244 + Normal 37.05 244 0 Normal 37.05 244 0 Normal 37.05 244 0 Normal 37.05 244 0 Normal 37.05 244 0 Normal 37.05 244 0 Normal 37.05 244 0 Normal 37.05 244 0 Normal 37.06 246 + Normal 37.06 246 0 Normal 37.08 251 + Normal 37.10 257 + Normal 37.11 259 + Normal 37.15 270 + Normal 37.18 277 + Normal 37.21 285 + Normal 37.24 293 + Normal 37.27 301 + Normal 37.30 310 + Normal 37.34 321 + Normal 37.36 326 + Normal 37.38 332 + Normal 37.40 337 + Normal 37.41 340 + Normal 37.43 345 + Normal 37.44 348 + Normal 37.45 351 + Normal 37.45 351 0 Normal 37.46 354 + Normal 37.46 354 0 Normal 37.48 360 + Normal 37.50 365 + Normal 37.52 371 + Normal 37.56 382 + Normal 37.61 397 + Normal 37.65 409 + Normal 37.70 424 + Normal 37.75 438 + Normal 37.80 454 + Normal 37.84 466 + Normal 37.89 481 + Normal 37.92 490 + Normal 37.95 500 + Normal 37.99 512 + Normal 38.01 519 + Normal 38.03 525 + Normal 38.05 531 + Normal 38.07 538 + Normal 38.08 541 + Normal 38.09 544 + Normal 38.11 550 + Normal 38.13 557 + Normal 38.15 563 + Normal 38.15 563 0 Normal 38.17 570 + Normal 38.18 573 + Normal 38.18 573 0 Normal 38.19 576 + Normal 38.19 576 0 Normal 38.19 576 0 Normal 38.20 579 + Normal 38.22 586 + Normal 38.24 592 + Normal 38.27 602 + Normal 38.32 619 + Normal 38.37 635 + Normal 38.43 656 + Normal 38.48 673 + Normal 38.53 690 + Normal Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 38.58 707 Normal 38.61 717 + Normal 38.64 728 + Normal 38.67 738 + Normal 38.72 755 + Normal 38.81 787 + Normal 38.92 827 + Normal 39.01 859 + Normal 39.10 889 + Normal 39.19 920 + Normal 39.26 944 + Normal 39.33 968 + Normal 39.38 985 + Normal 39.44 1006 + Normal 39.48 1020 + Normal 39.52 1034 + Normal 39.56 1048 + Normal 39.59 1059 + Normal 39.62 1069 + Normal 39.65 1080 + Normal 39.67 1087 + Normal 39.69 1094 + Normal 39.72 1105 + Normal 39.73 1109 + Normal 39.75 1116 + Normal 39.77 1123 + Normal 39.78 1127 + Normal 39.79 1130 + Normal 39.80 1134 + Normal 39.81 1138 + Normal 39.83 1145 + Normal 39.84 1148 + Normal 39.84 1148 0 Normal 39.85 1152 + Normal 39.86 1156 + Normal 39.86 1156 0 Normal 39.87 1159 + Normal 39.88 1163 + Normal 39.88 1163 0 Normal 39.88 1163 0 Normal 39.89 1167 + Normal 39.89 1167 0 Normal 39.90 1170 + Normal 39.91 1174 + Normal 39.92 1178 + Normal 39.93 1181 + Normal 39.94 1185 + Normal 39.96 1192 + Normal 39.98 1200 + Normal 40.00 1207 + Normal 40.02 1214 + Normal 40.05 1225 + Normal 40.08 1237 + Normal 40.11 1248 + Normal 40.13 1255 + Normal 40.16 1266 + Normal 40.19 1278 + Normal 40.22 1289 + Normal 40.24 1296 + Normal 40.26 1304 + Normal 40.28 1311 + Normal 40.29 1315 + Normal 40.30 1319 + Normal 40.30 1319 0 Normal 40.30 1319 0 Normal 40.30 1319 0 Normal 40.29 1315 - Normal 40.27 1308 - Normal 40.26 1304 - Normal 40.24 1296 - Normal 40.23 1293 - Normal 40.21 1285 - Normal 40.19 1278 - Normal 40.17 1270 - Normal 40.15 1263 - Normal 40.13 1255 - Normal 40.11 1248 - Normal 40.10 1244 - Normal 40.08 1237 - Normal 40.07 1233 - Normal 40.05 1225 - Normal 40.04 1222 - Normal 40.03 1218 - Normal 40.02 1214 - Normal 40.01 1211 - Normal 40.00 1207 - Normal 39.99 1203 - Normal 39.98 1200 - Normal 39.98 1200 0 Normal 39.97 1196 - Normal 39.97 1196 0 Normal 39.96 1192 - Normal 39.96 1192 0 Normal 39.95 1189 - Normal 39.95 1189 0 Normal 39.95 1189 0 Normal 39.94 1185 - Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.93 1181 - Normal 39.93 1181 0 Normal 39.93 1181 0 Normal 39.93 1181 0 Normal 39.93 1181 0 Normal 39.93 1181 0 Normal 39.94 1185 + Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 0 Normal 39.94 1185 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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