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Fix historic highs
This commit is contained in:
fraxle
2026-08-09 12:36:35 +01:00
parent bf882f441e
commit 9ce32f59e5
6 changed files with 64 additions and 25 deletions
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assets/js/compute.js
+33 -17
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@@ -548,10 +548,12 @@ export function computeGlanceSummary(todayRows, profile, variant, skinType, cols
};
// ── Vs seasonal norms (climate anomalies) ──────────────────────────────
// Shown across every profile: two rows comparing this day against the
// 1991-2020 norm for the date — the day's HIGH vs the normal high, and the
// day's 24h AVERAGE vs the normal mean. High tracks the daytime peak people
// notice; the average is the standard climate anomaly. An honest climate cue.
// One row comparing this day against the 1991-2020 norm for the date. The
// headline is the standard climate anomaly — the day's 24h AVERAGE vs the
// normal mean — with the day's HIGH vs the normal high carried alongside as
// the peak people actually notice. Kept in a single row because two rows
// sharing the icon and "1991-2020 … warmer" phrasing read as duplicates
// giving contradictory answers. An honest climate cue.
const climateItem = (() => {
if (!normals) return [];
const key = dayKey || todayRows[0]?.iso?.slice(0, 10);
@@ -562,22 +564,36 @@ export function computeGlanceSummary(todayRows, profile, variant, skinType, cols
if (taVals.length === 0) return [];
const dayHigh = Math.max(...taVals);
const dayMean = taVals.reduce((a, b) => a + b, 0) / taVals.length;
const out = [];
// Either day-of-year table can have null slots — reduceNormals keeps the
// { high, mean } shape as long as one series survived — so treat each as
// independently optional.
const nHigh = normals.high?.[doy];
if (nHigh != null) {
const a = dayHigh - nHigh;
if (Math.abs(a) >= 3) {
out.push({ icon: '🌡', label: '1991-2020 High', value: `${a >= 0 ? '+' : '−'}${Math.abs(a).toFixed(1)}° ${a >= 0 ? 'warmer' : 'cooler'}`, alert: a >= 5, grp: 'ambient' });
}
}
const nMean = normals.mean?.[doy];
if (nMean != null) {
const a = dayMean - nMean;
if (Math.abs(a) >= 3) {
out.push({ icon: '🌡', label: '1991-2020 Average', value: `${a >= 0 ? '+' : '−'}${Math.abs(a).toFixed(1)}° ${a >= 0 ? 'warmer' : 'cooler'}`, alert: a >= 5, grp: 'ambient' });
}
const aHigh = nHigh != null ? dayHigh - nHigh : null;
const aMean = nMean != null ? dayMean - nMean : null;
// Show the row when EITHER anomaly is notable. The mean anomaly is usually
// the smaller of the two (a clear night pulls it back towards normal), so
// gating on it alone would hide days with a dramatic peak.
const notable = v => v != null && Math.abs(v) >= 3;
if (!notable(aHigh) && !notable(aMean)) return [];
const fmt = a => `${a >= 0 ? '+' : '−'}${Math.abs(a).toFixed(1)}°`;
const word = a => (a >= 0 ? 'warmer' : 'cooler');
// Each half keeps its own sign and word, so a day whose peak and mean fall
// on opposite sides of the norm still reads correctly.
// `sub` is the secondary figure — rendered inline on mobile, on its own
// line in the narrow desktop rail (see .insight-sub in ui.css).
let value, sub = null;
if (aMean != null && aHigh != null) {
value = `${fmt(aMean)} ${word(aMean)}`;
sub = `(${fmt(aHigh)} peak)`;
} else if (aMean != null) {
value = `${fmt(aMean)} ${word(aMean)}`;
} else {
value = `${fmt(aHigh)} peak ${word(aHigh)}`;
}
return out;
// Flagged off the high, matching the "5 degrees against the normal high" rule.
const alert = (aHigh != null ? aHigh : aMean) >= 5;
return [{ icon: '🌡', label: '1991-2020 Average', value, sub, alert, grp: 'ambient' }];
})();
// ── Good Driving Time ──────────────────────────────────────────────────