diff --git a/UPGRADE_NEXT16.md b/UPGRADE_NEXT16.md
deleted file mode 100644
index 46bf8d0..0000000
--- a/UPGRADE_NEXT16.md
+++ /dev/null
@@ -1,79 +0,0 @@
-# Next.js 16 Upgrade Guide
-
-## Current Status
-- **Current Version**: Next.js 15.2.6
-- **Target Version**: Next.js 16.1.1
-- **React Version**: 19.0.0 ✅ (Compatible)
-
-## Upgrade Steps
-
-### 1. Backup First
-```bash
-git add .
-git commit -m "Before Next.js 16 upgrade"
-```
-
-### 2. Update Dependencies
-```bash
-npm install next@16 react@19 react-dom@19 eslint-config-next@16
-```
-
-### 3. Update Related Packages
-```bash
-npm install @next/bundle-analyzer@latest
-```
-
-### 4. Test Build
-```bash
-npm run build
-```
-
-### 5. Test Development Server
-```bash
-npm run dev
-```
-
-## Potential Breaking Changes
-
-### 1. Route Handlers
-- Check all API routes in `app/api/` for compatibility
-- Ensure async/await patterns are correct
-
-### 2. Server Components
-- Verify all server components work correctly
-- Check for any client component boundaries
-
-### 3. Image Optimization
-- `next/image` may have minor API changes
-- Check image imports
-
-### 4. Font Loading
-- `next/font` should work the same, but verify
-
-## Performance Improvements Expected
-
-1. **Faster Builds**: 10-20% faster production builds
-2. **Better Caching**: Improved static generation caching
-3. **Smaller Bundles**: Better tree-shaking and code splitting
-4. **Faster Dev Server**: Turbopack improvements
-
-## Rollback Plan
-
-If issues occur:
-```bash
-npm install next@15.2.6 react@19 react-dom@19 eslint-config-next@15.2.3
-```
-
-## Testing Checklist
-
-- [ ] Build completes successfully
-- [ ] Dev server starts without errors
-- [ ] All pages load correctly
-- [ ] API routes work
-- [ ] Images load properly
-- [ ] Fonts load correctly
-- [ ] Admin dashboard works
-- [ ] Order management works
-- [ ] Analytics charts render
-- [ ] Authentication works
-
diff --git a/components/admin/AdminAnalytics.tsx b/components/admin/AdminAnalytics.tsx
index ced1333..140ea93 100644
--- a/components/admin/AdminAnalytics.tsx
+++ b/components/admin/AdminAnalytics.tsx
@@ -361,10 +361,14 @@ export default function AdminAnalytics() {
     }).format(value);
   };
 
-  // Calculate best month from daily data (for YTD view)
+  // Calculate best month from daily data (for YTD, full year, or previous years)
   const calculateBestMonth = () => {
+    // Show best month for YTD, full year view, or when viewing previous years
+    const showBestMonth =
+      dateRange === "ytd" || dateRange === "year" || !isViewingCurrentYear;
+
     if (
-      dateRange !== "ytd" ||
+      !showBestMonth ||
       !analyticsData?.revenue?.dailyRevenue ||
       analyticsData.revenue.dailyRevenue.length === 0
     ) {
@@ -597,7 +601,7 @@ export default function AdminAnalytics() {
         </Card>
       )}
 
-      {/* Best Month Card (only show for YTD) */}
+      {/* Best Month Card (show for YTD, full year, or previous years) */}
       {bestMonth && (
         <Card className="border-green-500/50 bg-green-500/5">
           <CardContent className="pt-6">
@@ -608,7 +612,12 @@ export default function AdminAnalytics() {
                 </div>
                 <div>
                   <div className="text-sm font-medium text-muted-foreground">
-                    Best Month (YTD)
+                    Best Month{" "}
+                    {!isViewingCurrentYear
+                      ? `of ${selectedYear}`
+                      : dateRange === "year"
+                        ? "(Full Year)"
+                        : "(YTD)"}
                   </div>
                   <div className="text-xl font-bold text-green-600">
                     {bestMonth.month}