CNRFC - Hydrology - River Guidance - Tabular Data

Location:

# NOTE 1: # NOTE 2: # NOTE 3: # NOTE 4:

KLAMATHRUSNAPSOUTHBAYSALINASSOCALSANDIEGOUPRSACLWRSACFTHRYUBAAMERICANCAPUTAHTULARESANJOAQNSANJOAQESIERRAHUMBOLDT = window.location.search; = new URLSearchParams(queryString); = window.location.href.split('?')[0] + "?" + urlParams.toString(); class="head">MIDDLE FORK COSUMNES RIVER - SOMERSET (SOSC1)
Latitude: 38.62º N Longitude: 120.70º W Elevation: 1821 Feet Forecast Type: Unofficial Location
Location: El Dorado County in California Bulletin Group: San Joaquin River Group: North San Joaquin
Issuance Time: Apr 02 2026 at 1:33 PM PDT Next Issuance: Apr 03 2026 at 9:00 AM PDT width="16%">
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A

# Tabular Observed and Forecast Hydrograph Information Fork Cosumnes River - Somerset (SOSC1) 04/02/2026 at 01:36 PM PDT Date & Time of Maximum Observed: 04/02/2026 at 10:00 AM PDT 6.46 Feet 425 cfs & Time of Maximum Forecast: 04/02/2026 at 02:00 PM PDT 6.35 Feet 394 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 4.93 108 Not Applicable 4.93 108 0 Not Applicable 4.93 108 0 Not Applicable 4.93 108 0 Not Applicable 4.93 108 0 Not Applicable 4.92 106 - Not Applicable 4.92 106 0 Not Applicable 4.91 105 - Not Applicable 4.91 105 0 Not Applicable 4.90 104 - Not Applicable 4.90 104 0 Not Applicable 4.90 104 0 Not Applicable 4.89 103 - Not Applicable 4.89 103 0 Not Applicable 4.89 103 0 Not Applicable 4.88 102 - Not Applicable 4.87 100 - Not Applicable 4.88 102 + Not Applicable 4.88 102 0 Not Applicable 4.87 100 - Not Applicable 4.89 103 + Not Applicable 4.89 103 0 Not Applicable 4.88 102 - Not Applicable 4.89 103 + Not Applicable 4.89 103 0 Not Applicable 4.89 103 0 Not Applicable 4.88 102 - Not Applicable 4.88 102 0 Not Applicable 4.87 100 - Not Applicable 4.87 100 0 Not Applicable 4.86 99 - Not Applicable 4.86 99 0 Not Applicable 4.85 98 - Not Applicable 4.85 98 0 Not Applicable 4.84 97 - Not Applicable 4.85 98 + Not Applicable 4.84 97 - Not Applicable 4.84 97 0 Not Applicable 4.83 95 - Not Applicable 4.82 94 - Not Applicable 4.81 93 - Not Applicable 4.82 94 + Not Applicable 4.82 94 0 Not Applicable 4.82 94 0 Not Applicable 4.83 95 + Not Applicable 4.83 95 0 Not Applicable 4.82 94 - Not Applicable 4.83 95 + Not Applicable 4.83 95 0 Not Applicable 4.83 95 0 Not Applicable 4.83 95 0 Not Applicable 4.82 94 - Not Applicable 4.82 94 0 Not Applicable 4.82 94 0 Not Applicable 4.82 94 0 Not Applicable 4.82 94 0 Not Applicable 4.81 93 - Not Applicable 4.81 93 0 Not Applicable 4.81 93 0 Not Applicable 4.80 92 - Not Applicable 4.80 92 0 Not Applicable 4.79 90 - Not Applicable 4.79 90 0 Not Applicable 4.79 90 0 Not Applicable 4.79 90 0 Not Applicable 4.79 90 0 Not Applicable 4.79 90 0 Not Applicable 4.79 90 0 Not Applicable 4.80 92 + Not Applicable 4.82 94 + Not Applicable 4.83 95 + Not Applicable 4.84 97 + Not Applicable 4.85 98 + Not Applicable 4.86 99 + Not Applicable 4.88 102 + Not Applicable 4.90 104 + Not Applicable 4.92 106 + Not Applicable 4.95 110 + Not Applicable 5.02 120 + Not Applicable 5.12 134 + Not Applicable 5.26 155 + Not Applicable 5.39 177 + Not Applicable 5.47 191 + Not Applicable 5.51 199 + Not Applicable 5.55 206 + Not Applicable 5.63 222 + Not Applicable 5.69 234 + Not Applicable 5.73 242 + Not Applicable 5.72 240 - Not Applicable 5.68 232 - Not Applicable 5.65 226 - Not Applicable 5.62 220 - Not Applicable 5.60 216 - Not Applicable 5.54 204 - Not Applicable 5.51 199 - Not Applicable 5.50 197 - Not Applicable 5.47 191 - Not Applicable 5.45 188 - Not Applicable 5.44 186 - Not Applicable 5.43 184 - Not Applicable 5.46 190 + Not Applicable 5.45 188 - Not Applicable 5.43 184 - Not Applicable 5.45 188 + Not Applicable 5.48 193 + Not Applicable 5.58 212 + Not Applicable 5.67 230 + Not Applicable 5.69 234 + Not Applicable 5.73 242 + Not Applicable 5.81 259 + Not Applicable 5.90 280 + Not Applicable 5.96 294 + Not Applicable 6.06 318 + Not Applicable 6.16 343 + Not Applicable 6.30 380 + Not Applicable 6.41 411 + Not Applicable 6.45 422 + Not Applicable 6.46 425 + Not Applicable 6.45 422 - Not Applicable 6.42 414 - Not Applicable 6.38 402 - Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 6.35 394 Not Applicable 6.32 385 - Not Applicable 6.31 383 - Not Applicable 6.30 380 - Not Applicable 6.29 377 - Not Applicable 6.28 374 - Not Applicable 6.27 372 - Not Applicable 6.26 369 - Not Applicable 6.25 366 - Not Applicable 6.24 364 - Not Applicable 6.23 361 - Not Applicable 6.22 358 - Not Applicable 6.21 356 - Not Applicable 6.21 356 0 Not Applicable 6.20 353 - Not Applicable 6.20 353 0 Not Applicable 6.19 350 - Not Applicable 6.18 348 - Not Applicable 6.17 345 - Not Applicable 6.16 343 - Not Applicable 6.15 340 - Not Applicable 6.14 338 - Not Applicable 6.13 335 - Not Applicable 6.11 330 - Not Applicable 6.10 328 - Not Applicable 6.09 325 - Not Applicable 6.08 323 - Not Applicable 6.07 320 - Not Applicable 6.05 315 - Not Applicable 6.04 313 - Not Applicable 6.03 310 - Not Applicable 6.02 308 - Not Applicable 6.01 305 - Not Applicable 6.00 303 - Not Applicable 5.98 298 - Not Applicable 5.97 296 - Not Applicable 5.96 294 - Not Applicable 5.96 294 0 Not Applicable 5.95 291 - Not Applicable 5.94 289 - Not Applicable 5.93 287 - Not Applicable 5.92 284 - Not Applicable 5.91 282 - Not Applicable 5.90 280 - Not Applicable 5.89 278 - Not Applicable 5.88 275 - Not Applicable 5.88 275 0 Not Applicable 5.87 273 - Not Applicable 5.86 271 - Not Applicable 5.85 268 - Not Applicable 5.84 266 - Not Applicable 5.83 264 - Not Applicable 5.82 261 - Not Applicable 5.81 259 - Not Applicable 5.80 257 - Not Applicable 5.80 257 0 Not Applicable 5.79 255 - Not Applicable 5.79 255 0 Not Applicable 5.78 253 - Not Applicable 5.77 251 - Not Applicable 5.77 251 0 Not Applicable 5.76 248 - Not Applicable 5.76 248 0 Not Applicable 5.75 246 - Not Applicable 5.75 246 0 Not Applicable 5.74 244 - Not Applicable 5.74 244 0 Not Applicable 5.73 242 - Not Applicable 5.72 240 - Not Applicable 5.72 240 0 Not Applicable 5.71 238 - Not Applicable 5.71 238 0 Not Applicable 5.70 236 - Not Applicable 5.69 234 - Not Applicable 5.69 234 0 Not Applicable 5.68 232 - Not Applicable 5.68 232 0 Not Applicable 5.67 230 - Not Applicable 5.67 230 0 Not Applicable 5.66 228 - Not Applicable 5.66 228 0 Not Applicable 5.65 226 - Not Applicable 5.65 226 0 Not Applicable 5.65 226 0 Not Applicable 5.64 224 - Not Applicable 5.64 224 0 Not Applicable 5.64 224 0 Not Applicable 5.64 224 0 Not Applicable 5.63 222 - Not Applicable 5.63 222 0 Not Applicable 5.63 222 0 Not Applicable 5.62 220 - Not Applicable 5.62 220 0 Not Applicable 5.62 220 0 Not Applicable 5.62 220 0 Not Applicable 5.61 218 - Not Applicable 5.61 218 0 Not Applicable 5.60 216 - Not Applicable 5.60 216 0 Not Applicable 5.59 214 - Not Applicable 5.59 214 0 Not Applicable 5.59 214 0 Not Applicable 5.58 212 - Not Applicable 5.58 212 0 Not Applicable 5.58 212 0 Not Applicable 5.57 210 - Not Applicable 5.57 210 0 Not Applicable 5.57 210 0 Not Applicable 5.57 210 0 Not Applicable 5.56 208 - Not Applicable 5.56 208 0 Not Applicable 5.56 208 0 Not Applicable 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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