diff --git a/.changeset/clear-tables-document.md b/.changeset/clear-tables-document.md
new file mode 100644
index 00000000..74ccafeb
--- /dev/null
+++ b/.changeset/clear-tables-document.md
@@ -0,0 +1,5 @@
+---
+"@usace-watermanagement/groundwork-water": patch
+---
+
+Document pre-fetched CWMSTable data and publish accurate optional prop types.
diff --git a/docs/src/pages/docs/tables/index.jsx b/docs/src/pages/docs/tables/index.jsx
index 93798082..4044c30c 100644
--- a/docs/src/pages/docs/tables/index.jsx
+++ b/docs/src/pages/docs/tables/index.jsx
@@ -15,6 +15,40 @@ import { cdaTSHookParams } from "../../../props-declarations/data-hooks";
 import { Badge, Text, UsaceBox } from "@usace/groundwork";
 import CdaParamsTable from "../../components/cda-params-table.jsx";
 
+const preloadedTimeseriesParams = [
+  {
+    tsid: "DEMO.Stage.Inst.1Hour.0.Observed",
+    header: "Stage (ft)",
+    precision: 2,
+  },
+  {
+    tsid: "DEMO.Flow.Inst.1Hour.0.Observed",
+    header: "Flow (cfs)",
+    precision: 0,
+  },
+];
+
+const preloadedTimeSeries = [
+  {
+    name: "DEMO.Stage.Inst.1Hour.0.Observed",
+    units: "ft",
+    values: [
+      [Date.parse("2026-08-18T08:00:00-05:00"), 12.34, 0],
+      [Date.parse("2026-08-18T09:00:00-05:00"), 12.41, 0],
+      [Date.parse("2026-08-18T10:00:00-05:00"), 12.47, 0],
+    ],
+  },
+  {
+    name: "DEMO.Flow.Inst.1Hour.0.Observed",
+    units: "cfs",
+    values: [
+      [Date.parse("2026-08-18T08:00:00-05:00"), 842, 0],
+      [Date.parse("2026-08-18T09:00:00-05:00"), 875, 0],
+      [Date.parse("2026-08-18T10:00:00-05:00"), 901, 0],
+    ],
+  },
+];
+
 function Tables() {
   const LOOKBACK_HOURS = 24;
   const tsid = "KEYS.Elev.Inst.1Hour.0.Ccp-Rev";
@@ -47,7 +81,7 @@ function Tables() {
       precision: 2,
     },
     {
-      tsid: "SHB.Temp-Air.Inst.0.0.DCP-rev",
+      tsid: "SHB.Temp-Air.Inst.30Minutes.0.DCP-rev",
       header: "SHB.Temp-Air (F)",
       precision: 0,
     },
@@ -77,12 +111,74 @@ function Tables() {
           end={cdaParams.end}
           office={cdaParams.office}
           timeseriesParams={tableTimeseriesParams}
-          interval="5"
+          interval={5}
           snapTopOfInterval={true}
           missingString="---"
           sortAscending={false}
           tableOptions={{ maxHeight: "45vh", className: "gw-mt-4" }}
         />
+        <Divider text="Use Pre-Fetched Data" className="mt-8" />
+        <Text>
+          To render data you already have, pass CDA-compatible time-series responses to
+          <code className="font-bold"> inputTSValues</code>. Each
+          <code className="font-bold"> timeseriesParams[].tsid</code> must match a
+          supplied series <code className="font-bold">name</code>. The value tuples
+          begin with a Unix timestamp in milliseconds and a value; quality codes and
+          other CDA metadata may follow.
+        </Text>
+        <Text className="mt-2">
+          When <code className="font-bold">inputTSValues</code> is supplied, the table
+          does not make CDA requests, so <code className="font-bold">office</code>,
+          <code className="font-bold"> begin</code>, and
+          <code className="font-bold"> end</code> are not required.
+        </Text>
+        <CWMSTable
+          timeseriesParams={preloadedTimeseriesParams}
+          inputTSValues={preloadedTimeSeries}
+          dateFormat="MMM D, YYYY h:mm A"
+          tableOptions={{ maxHeight: "24rem", className: "gw-mt-4" }}
+        />
+        <Code className="mt-4" language="jsx">
+          {`const timeseriesParams = [
+  {
+    tsid: "DEMO.Stage.Inst.1Hour.0.Observed",
+    header: "Stage (ft)",
+    precision: 2,
+  },
+  {
+    tsid: "DEMO.Flow.Inst.1Hour.0.Observed",
+    header: "Flow (cfs)",
+    precision: 0,
+  },
+];
+
+const inputTSValues = [
+  {
+    name: "DEMO.Stage.Inst.1Hour.0.Observed",
+    units: "ft",
+    values: [
+      [Date.parse("2026-08-18T08:00:00-05:00"), 12.34, 0],
+      [Date.parse("2026-08-18T09:00:00-05:00"), 12.41, 0],
+      [Date.parse("2026-08-18T10:00:00-05:00"), 12.47, 0],
+    ],
+  },
+  {
+    name: "DEMO.Flow.Inst.1Hour.0.Observed",
+    units: "cfs",
+    values: [
+      [Date.parse("2026-08-18T08:00:00-05:00"), 842, 0],
+      [Date.parse("2026-08-18T09:00:00-05:00"), 875, 0],
+      [Date.parse("2026-08-18T10:00:00-05:00"), 901, 0],
+    ],
+  },
+];
+
+<CWMSTable
+  timeseriesParams={timeseriesParams}
+  inputTSValues={inputTSValues}
+  dateFormat="MMM D, YYYY h:mm A"
+/>`}
+        </Code>
         <Divider text="Header Line Breaks" className="mt-8" />
         <Text className="mb-2">
           The header for the table can be set to an HTML tag or component with line
@@ -100,7 +196,7 @@ const tableTimeseriesParams = [
 ]`}
         </Code>
         <Badge color="blue" className="mb-2">
-          Note: Using "\n" will NOT create a line break in the header.
+          Note: Using &quot;\n&quot; will NOT create a line break in the header.
         </Badge>
         <Divider text="Code Example:" className="mt-8" />
         <div className="mt-8">
@@ -136,7 +232,7 @@ default export function Example() {
       precision: 2,
     },
     {
-      tsid: "SHB.Temp-Air.Inst.0.0.DCP-rev",
+      tsid: "SHB.Temp-Air.Inst.30Minutes.0.DCP-rev",
       header: "SHB.Temp-Air (F)",
       precision: 0,
     },
@@ -150,7 +246,7 @@ default export function Example() {
           end={cdaParams.end}
           office={cdaParams.office}
           timeseriesParams={tableTimeseriesParams}
-          interval="5"
+          interval={5}
           snapTopOfInterval={true}
           missingString="---"
           sortAscending={false}
diff --git a/docs/src/props-declarations/tables.jsx b/docs/src/props-declarations/tables.jsx
index 4a0041a1..3200d879 100644
--- a/docs/src/props-declarations/tables.jsx
+++ b/docs/src/props-declarations/tables.jsx
@@ -183,9 +183,18 @@ const cwmsTableParams = [
   },
   {
     name: "inputTSValues",
-    type: "array",
+    type: "CWMSTableSeries[]",
     required: false,
-    desc: "Previously fetched CWMS time-series responses. When supplied, the table renders these values without making CDA requests and does not require an office.",
+    desc: (
+      <>
+        Previously fetched CWMS time-series responses shaped as{" "}
+        <Code>{`{ name, units?, values: [[timestamp, value, qualityCode?, ...], ...] }`}</Code>
+        . Each series <Code>name</Code> must match a{" "}
+        <Code>timeseriesParams[].tsid</Code>. When supplied, the table makes no CDA
+        requests and does not require <Code>office</Code>, <Code>begin</Code>, or{" "}
+        <Code>end</Code>.
+      </>
+    ),
   },
   {
     name: "dateTimeTableColumnHeader",
diff --git a/docs/vite.config.js b/docs/vite.config.js
index a57e3477..81b06f44 100644
--- a/docs/vite.config.js
+++ b/docs/vite.config.js
@@ -11,6 +11,7 @@ export default defineConfig(({ mode }) => {
     plugins: [react(), tailwindcss()],
     base: base,
     resolve: {
+      dedupe: ["react", "react-dom", "@tanstack/react-query"],
       alias: isDevelopment
         ? [
             // During development, alias to the source files for easier debugging
diff --git a/lib/components/data/tables/CWMSTable.jsx b/lib/components/data/tables/CWMSTable.jsx
index 9db76594..61e52b60 100644
--- a/lib/components/data/tables/CWMSTable.jsx
+++ b/lib/components/data/tables/CWMSTable.jsx
@@ -35,6 +35,60 @@ function TableMessage({ children, tone = "info" }) {
   );
 }
 
+/**
+ * A CWMS time-series value tuple. The first two entries are the Unix timestamp in
+ * milliseconds and the value. CDA responses may include quality codes and other
+ * metadata in later entries.
+ *
+ * @typedef {[number, number | string | null, ...unknown[]]} CWMSTableValue
+ */
+
+/**
+ * @typedef {Object} CWMSTableSeries
+ * @property {string} name Fully qualified time-series ID.
+ * @property {string} [units] Units returned for the series.
+ * @property {CWMSTableValue[]} values Time-series value tuples.
+ */
+
+/**
+ * @typedef {Object} CWMSTableTimeseriesParam
+ * @property {string} tsid Fully qualified time-series ID matching a series name.
+ * @property {import("react").ReactNode} [header] Column heading.
+ * @property {number} [precision] Number of decimal places to display.
+ * @property {number} [rounding] Alias for precision.
+ */
+
+/**
+ * @typedef {Record<string, unknown> & {
+ *   className?: string,
+ *   maxHeight?: string,
+ *   overflowHeight?: string
+ * }} CWMSTableOptions
+ */
+
+/**
+ * @typedef {Object} CWMSTableProps
+ * @property {CWMSTableTimeseriesParam[]} timeseriesParams Series and columns to show.
+ * @property {string} [office] Owning office used when fetching from CDA.
+ * @property {string} [unit="EN"] Unit or unit system used when fetching from CDA.
+ * @property {string} [datum] Elevation datum used when fetching from CDA.
+ * @property {string} [begin] Beginning of the requested time range.
+ * @property {string} [end] End of the requested time range.
+ * @property {string} [timezone] Time zone for begin and end.
+ * @property {CWMSTableSeries[]} [inputTSValues] Pre-fetched CWMS time-series responses.
+ * @property {boolean} [trim=true] Whether CDA should trim leading and trailing missing values.
+ * @property {number | string} [pageSize] Maximum number of values requested from CDA.
+ * @property {number | string} [interval=1] Display interval in minutes.
+ * @property {boolean} [snapTopOfInterval=true] Whether interval filtering is clock-aligned.
+ * @property {boolean} [sortAscending=true] Whether rows are sorted oldest first.
+ * @property {string} [missingString=""] Text shown for missing values.
+ * @property {string} [dateFormat="ddd MMM DD HH:mm"] Day.js display format.
+ * @property {string} [cdaUrl] CDA base URL override.
+ * @property {string} [dateTimeTableColumnHeader="Date & Time (Local)"] Date column heading.
+ * @property {CWMSTableOptions} [tableOptions] Virtualized table container options.
+ */
+
+/** @param {CWMSTableProps} props */
 export default function CWMSTable({
   timeseriesParams,
   office,