diff --git a/static/app.js b/static/app.js
index 481c9ff..b3ac1bf 100644
--- a/static/app.js
+++ b/static/app.js
@@ -132,7 +132,7 @@ function render(data) {
       <div class="loc-title">
         <h2>${placeLabel(data)}</h2>
         <p class="meta">${data.place ? coords + " · " : ""}~${cell.area_sq_mi} sq mi cell · climatology from ${yrs}
-           (${c.n_samples.toLocaleString()} days in the ±7-day window)</p>
+           (${c.n_samples.toLocaleString()} days around this date)</p>
       </div>
       <div class="share">
         <button id="btn-link" title="Copy a link back to this exact view">${IC.link} Copy link</button>
@@ -147,7 +147,7 @@ function render(data) {
       </span>
       <span class="cta-cal-arrow" aria-hidden="true">→</span>
     </a>
-    <div class="section-title">${data.target_date} vs normal (±7&nbsp;days) — tap a metric for the full breakdown</div>
+    <div class="section-title">${data.target_date} vs a typical day — tap a metric for the full breakdown</div>
     <div class="normals">
       ${cmpCard("High", "tmax", c.tmax, fmtTemp)}
       ${cmpCard("Low", "tmin", c.tmin, fmtTemp)}
diff --git a/static/day.html b/static/day.html
index bc0d08f..8865229 100644
--- a/static/day.html
+++ b/static/day.html
@@ -13,7 +13,7 @@
       <span class="logo">▚</span>
       <div>
         <h1>Thermograph · Day</h1>
-        <p class="tag">Every percentile boundary for one day vs its ±7-day climate window</p>
+        <p class="tag">Every percentile boundary for one day vs its typical climate</p>
       </div>
       <nav class="view-nav" aria-label="Views">
         <a href="./" data-view="map">Weekly</a>
@@ -42,7 +42,7 @@
     <div id="day-head" class="cal-head" hidden></div>
     <div class="placeholder" id="day-placeholder">
       <p>Pick a place and a day — or open this from a day on the map or calendar — to see
-         the value at every tier boundary in that day's ±7-day climate window.</p>
+         the value at every tier boundary for that day's typical climate.</p>
     </div>
     <div id="day-body"></div>
   </main>
diff --git a/static/day.js b/static/day.js
index f0e4a6c..699cad2 100644
--- a/static/day.js
+++ b/static/day.js
@@ -137,8 +137,8 @@ function render(data) {
   dayHead.innerHTML = `
     <h2>${nice}</h2>
     ${wt ? `<p class="day-weather">${wt.icon} ${wt.text}</p>` : ""}
-    <p class="meta">${place} · ~${cell.area_sq_mi} sq mi cell · ±7-day window
-       · ${d.n_samples.toLocaleString()} days (${yrs})</p>`;
+    <p class="meta">${place} · ~${cell.area_sq_mi} sq mi cell
+       · ${d.n_samples.toLocaleString()} days around this date (${yrs})</p>`;
 
   dayBody.innerHTML = [
     ladderCard("Daily high", d.metrics.tmax, fmtTemp, "temp"),