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">BIG SULPHUR CREEK - CLOVERDALE (BSCC1)
Latitude: 38.83º N Longitude: 123.00º W Elevation: 345 Feet Forecast Type: Unofficial Location
Location: Sonoma County in California Bulletin Group: Russian Napa River Group: Russian Napa
Issuance Time: Apr 20 2026 at 6:54 AM PDT Next Issuance: Apr 21 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 Sulphur Creek - Cloverdale (BSCC1) 04/20/2026 at 06:55 AM PDT Date & Time of Maximum Observed: 04/15/2026 at 06:00 AM PDT 16.36 Feet 124 cfs & Time of Maximum Forecast: 04/21/2026 at 08:00 PM PDT 18.40 Feet 687 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 16.36 124 Not Applicable 16.35 122 - Not Applicable 16.34 121 - Not Applicable 16.34 121 0 Not Applicable 16.34 121 0 Not Applicable 16.33 119 - Not Applicable 16.33 119 0 Not Applicable 16.32 118 - Not Applicable 16.32 118 0 Not Applicable 16.32 118 0 Not Applicable 16.30 114 - Not Applicable 16.30 114 0 Not Applicable 16.30 114 0 Not Applicable 16.29 113 - Not Applicable 16.28 111 - Not Applicable 16.27 110 - Not Applicable 16.26 108 - Not Applicable 16.25 107 - Not Applicable 16.25 107 0 Not Applicable 16.24 105 - Not Applicable 16.23 104 - Not Applicable 16.23 104 0 Not Applicable 16.23 104 0 Not Applicable 16.23 104 0 Not Applicable 16.22 102 - Not Applicable 16.22 102 0 Not Applicable 16.21 101 - Not Applicable 16.21 101 0 Not Applicable 16.21 101 0 Not Applicable 16.21 101 0 Not Applicable 16.21 101 0 Not Applicable 16.20 99 - Not Applicable 16.20 99 0 Not Applicable 16.19 98 - Not Applicable 16.19 98 0 Not Applicable 16.18 96 - Not Applicable 16.17 95 - Not Applicable 16.17 95 0 Not Applicable 16.16 94 - Not Applicable 16.15 92 - Not Applicable 16.15 92 0 Not Applicable 16.14 91 - Not Applicable 16.14 91 0 Not Applicable 16.13 89 - Not Applicable 16.12 88 - Not Applicable 16.12 88 0 Not Applicable 16.12 88 0 Not Applicable 16.12 88 0 Not Applicable 16.11 87 - Not Applicable 16.11 87 0 Not Applicable 16.11 87 0 Not Applicable 16.11 87 0 Not Applicable 16.11 87 0 Not Applicable 16.10 85 - Not Applicable 16.11 87 + Not Applicable 16.11 87 0 Not Applicable 16.11 87 0 Not Applicable 16.11 87 0 Not Applicable 16.10 85 - Not Applicable 16.09 84 - Not Applicable 16.09 84 0 Not Applicable 16.08 83 - Not Applicable 16.08 83 0 Not Applicable 16.07 81 - Not Applicable 16.07 81 0 Not Applicable 16.06 80 - Not Applicable 16.06 80 0 Not Applicable 16.05 79 - Not Applicable 16.05 79 0 Not Applicable 16.05 79 0 Not Applicable 16.05 79 0 Not Applicable 16.05 79 0 Not Applicable 16.05 79 0 Not Applicable 16.04 77 - Not Applicable 16.04 77 0 Not Applicable 16.04 77 0 Not Applicable 16.04 77 0 Not Applicable 16.05 79 + Not Applicable 16.05 79 0 Not Applicable 16.04 77 - Not Applicable 16.05 79 + Not Applicable 16.04 77 - Not Applicable 16.04 77 0 Not Applicable 16.04 77 0 Not Applicable 16.03 76 - Not Applicable 16.03 76 0 Not Applicable 16.02 75 - Not Applicable 16.02 75 0 Not Applicable 16.01 74 - Not Applicable 16.01 74 0 Not Applicable 16.01 74 0 Not Applicable 16.00 73 - Not Applicable 16.00 73 0 Not Applicable 16.01 74 + Not Applicable 16.00 73 - Not Applicable 16.00 73 0 Not Applicable 15.99 71 - Not Applicable 16.00 73 + Not Applicable 16.00 73 0 Not Applicable 16.00 73 0 Not Applicable 16.00 73 0 Not Applicable 16.00 73 0 Not Applicable 16.00 73 0 Not Applicable 16.00 73 0 Not Applicable 16.00 73 0 Not Applicable 16.00 73 0 Not Applicable 15.99 71 - Not Applicable 15.99 71 0 Not Applicable 15.99 71 0 Not Applicable 15.98 70 - Not Applicable 15.98 70 0 Not Applicable 15.97 69 - Not Applicable 15.97 69 0 Not Applicable 15.97 69 0 Not Applicable 15.96 68 - Not Applicable 15.96 68 0 Not Applicable 15.97 69 + Not Applicable 15.96 68 - Not Applicable 15.96 68 0 Not Applicable 15.96 68 0 Not Applicable 15.96 68 0 Not Applicable Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 15.96 68 Not Applicable 15.96 68 0 Not Applicable 15.98 70 + Not Applicable 16.00 73 + Not Applicable 16.04 77 + Not Applicable 16.07 81 + Not Applicable 16.11 87 + Not Applicable 16.16 94 + Not Applicable 16.27 110 + Not Applicable 16.45 139 + Not Applicable 16.71 187 + Not Applicable 16.86 218 + Not Applicable 16.94 235 + Not Applicable 17.00 249 + Not Applicable 17.08 267 + Not Applicable 17.20 297 + Not Applicable 17.36 339 + Not Applicable 17.45 363 + Not Applicable 17.50 378 + Not Applicable 17.51 381 + Not Applicable 17.50 378 - Not Applicable 17.46 366 - Not Applicable 17.39 347 - Not Applicable 17.35 336 - Not Applicable 17.33 330 - Not Applicable 17.33 330 0 Not Applicable 17.36 339 + Not Applicable 17.42 355 + Not Applicable 17.53 386 + Not Applicable 17.60 407 + Not Applicable 17.64 419 + Not Applicable 17.70 438 + Not Applicable 17.80 470 + Not Applicable 17.97 527 + Not Applicable 18.21 613 + Not Applicable 18.34 663 + Not Applicable 18.39 683 + Not Applicable 18.40 687 + Not Applicable 18.34 663 - Not Applicable 18.20 609 - Not Applicable 17.93 513 - Not Applicable 17.76 457 - Not Applicable 17.66 425 - Not Applicable 17.61 410 - Not Applicable 17.59 404 - Not Applicable 17.61 410 + Not Applicable 17.65 422 + Not Applicable 17.67 428 + Not Applicable 17.67 428 0 Not Applicable 17.66 425 - Not Applicable 17.59 404 - Not Applicable 17.46 366 - Not Applicable 17.23 304 - Not Applicable 17.07 265 - Not Applicable 16.99 246 - Not Applicable 16.93 233 - Not Applicable 16.88 222 - Not Applicable 16.83 211 - Not Applicable 16.76 197 - Not Applicable 16.72 189 - Not Applicable 16.70 185 - Not Applicable 16.69 183 - Not Applicable 16.67 179 - Not Applicable 16.65 175 - Not Applicable 16.62 170 - Not Applicable 16.60 166 - Not Applicable 16.58 162 - Not Applicable 16.58 162 0 Not Applicable 16.57 161 - Not Applicable 16.55 157 - Not Applicable 16.53 153 - Not Applicable 16.52 152 - Not Applicable 16.51 150 - Not Applicable 16.50 148 - Not Applicable 16.49 146 - Not Applicable 16.48 145 - Not Applicable 16.47 143 - Not Applicable 16.46 141 - Not Applicable 16.45 139 - Not Applicable 16.45 139 0 Not Applicable 16.44 138 - Not Applicable 16.43 136 - Not Applicable 16.42 134 - Not Applicable 16.41 132 - Not Applicable 16.41 132 0 Not Applicable 16.41 132 0 Not Applicable 16.40 131 - Not Applicable 16.39 129 - Not Applicable 16.38 127 - Not Applicable 16.38 127 0 Not Applicable 16.37 126 - Not Applicable 16.37 126 0 Not Applicable 16.36 124 - Not Applicable 16.36 124 0 Not Applicable 16.35 122 - Not Applicable 16.34 121 - Not Applicable 16.34 121 0 Not Applicable 16.33 119 - Not Applicable 16.33 119 0 Not Applicable 16.32 118 - Not Applicable 16.32 118 0 Not Applicable 16.31 116 - Not Applicable 16.31 116 0 Not Applicable 16.30 114 - Not Applicable 16.30 114 0 Not Applicable 16.29 113 - Not Applicable 16.29 113 0 Not Applicable 16.28 111 - Not Applicable 16.28 111 0 Not Applicable 16.27 110 - Not Applicable 16.27 110 0 Not Applicable 16.27 110 0 Not Applicable 16.26 108 - Not Applicable 16.25 107 - Not Applicable 16.25 107 0 Not Applicable 16.25 107 0 Not Applicable 16.25 107 0 Not Applicable 16.24 105 - Not Applicable 16.23 104 - 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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