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">SAN JOAQUIN RIVER - PATTERSON (PATC1)
Latitude: 37.49º N Longitude: 121.08º W Elevation: 97 Feet
Location: Stanislaus County in California Bulletin Group: San Joaquin River Group: San Joaquin
Issuance Time: Jan 21 2026 at 2:31 PM PST Next Issuance: Jan 22 2026 at 9:00 AM PST width="16%">
Action/Monitor: 48.0 Feet Minor Flood: 54.7 Feet Moderate Flood: 57.3 Feet Major Flood: 58.3 Feet

# Tabular Observed and Forecast Hydrograph Information Joaquin River - Patterson (PATC1) 01/21/2026 at 02:31 PM PST Date & Time of Maximum Observed: 01/16/2026 at 02:00 PM PST 34.75 Feet 1928 cfs & Time of Maximum Forecast: 01/22/2026 at 11:00 AM PST 34.61 Feet 1863 cfs Stage (Feet) Flow (cfs) Trend Observed Status ------------------------------------------------------------- 34.75 1928 Normal 34.74 1923 - Normal 34.73 1918 - Normal 34.73 1918 0 Normal 34.73 1918 0 Normal 34.71 1909 - Normal 34.71 1909 0 Normal 34.72 1914 + Normal 34.69 1900 - Normal 34.70 1904 + Normal 34.69 1900 - Normal 34.69 1900 0 Normal 34.69 1900 0 Normal 34.69 1900 0 Normal 34.68 1895 - Normal 34.68 1895 0 Normal 34.68 1895 0 Normal 34.68 1895 0 Normal 34.68 1895 0 Normal 34.67 1890 - Normal 34.66 1886 - Normal 34.67 1890 + Normal 34.66 1886 - Normal 34.65 1881 - Normal 34.65 1881 0 Normal 34.65 1881 0 Normal 34.65 1881 0 Normal 34.64 1877 - Normal 34.64 1877 0 Normal 34.64 1877 0 Normal 34.65 1881 + Normal 34.64 1877 - Normal 34.64 1877 0 Normal 34.64 1877 0 Normal 34.63 1872 - Normal 34.64 1877 + Normal 34.63 1872 - Normal 34.63 1872 0 Normal 34.63 1872 0 Normal 34.63 1872 0 Normal 34.63 1872 0 Normal 34.63 1872 0 Normal 34.63 1872 0 Normal 34.62 1867 - Normal 34.63 1872 + Normal 34.62 1867 - Normal 34.63 1872 + Normal 34.62 1867 - Normal 34.62 1867 0 Normal 34.62 1867 0 Normal 34.61 1863 - Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.60 1858 - Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.59 1853 - Normal 34.59 1853 0 Normal 34.60 1858 + Normal 34.59 1853 - Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.58 1849 - Normal 34.58 1849 0 Normal 34.58 1849 0 Normal 34.59 1853 + Normal 34.57 1844 - Normal 34.58 1849 + Normal 34.58 1849 0 Normal 34.58 1849 0 Normal 34.58 1849 0 Normal 34.58 1849 0 Normal 34.57 1844 - Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.58 1849 + Normal 34.57 1844 - Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.56 1840 - Normal 34.56 1840 0 Normal 34.57 1844 + Normal 34.56 1840 - Normal 34.57 1844 + Normal 34.56 1840 - Normal 34.57 1844 + Normal 34.56 1840 - Normal 34.57 1844 + Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.58 1849 + Normal 34.57 1844 - Normal 34.57 1844 0 Normal 34.58 1849 + Normal 34.57 1844 - Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.57 1844 0 Normal 34.58 1849 + Normal 34.57 1844 - Normal 34.58 1849 + Normal 34.58 1849 0 Normal 34.58 1849 0 Normal 34.58 1849 0 Normal 34.59 1853 + Normal 34.59 1853 0 Normal 34.59 1853 0 Normal Stage (Feet) Flow (cfs) Trend Forecast Status ------------------------------------------------------------- 34.59 1853 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.59 1853 0 Normal 34.60 1858 + Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.60 1858 0 Normal 34.61 1863 + Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.61 1863 0 Normal 34.60 1858 - Normal 34.60 1858 0 Normal 34.59 1853 - Normal 34.59 1853 0 Normal 34.58 1849 - Normal 34.57 1844 - Normal 34.56 1840 - Normal 34.55 1835 - Normal 34.54 1830 - Normal 34.53 1825 - Normal 34.52 1821 - Normal 34.51 1816 - Normal 34.50 1811 - Normal 34.49 1806 - Normal 34.48 1801 - Normal 34.46 1792 - Normal 34.45 1787 - Normal 34.44 1782 - Normal 34.42 1773 - Normal 34.41 1768 - Normal 34.40 1763 - Normal 34.39 1758 - Normal 34.38 1754 - Normal 34.36 1744 - Normal 34.35 1739 - Normal 34.34 1735 - Normal 34.33 1730 - Normal 34.32 1725 - Normal 34.31 1720 - Normal 34.30 1716 - Normal 34.29 1711 - Normal 34.28 1706 - Normal 34.27 1702 - Normal 34.27 1702 0 Normal 34.26 1697 - Normal 34.25 1692 - Normal 34.24 1688 - Normal 34.24 1688 0 Normal 34.23 1683 - Normal 34.23 1683 0 Normal 34.22 1678 - Normal 34.21 1674 - Normal 34.21 1674 0 Normal 34.20 1669 - Normal 34.20 1669 0 Normal 34.20 1669 0 Normal 34.19 1664 - Normal 34.19 1664 0 Normal 34.18 1660 - Normal 34.18 1660 0 Normal 34.18 1660 0 Normal 34.17 1655 - Normal 34.17 1655 0 Normal 34.17 1655 0 Normal 34.17 1655 0 Normal 34.16 1650 - Normal 34.16 1650 0 Normal 34.16 1650 0 Normal 34.16 1650 0 Normal 34.16 1650 0 Normal 34.15 1646 - Normal 34.15 1646 0 Normal 34.15 1646 0 Normal 34.15 1646 0 Normal 34.15 1646 0 Normal 34.15 1646 0 Normal 34.15 1646 0 Normal 34.14 1641 - Normal 34.14 1641 0 Normal 34.14 1641 0 Normal 34.14 1641 0 Normal 34.14 1641 0 Normal 34.14 1641 0 Normal 34.14 1641 0 Normal 34.14 1641 0 Normal 34.14 1641 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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