EraNorms: Past Weather Almanac

Was today actually hot — or just feels that way?

EraNorms tells you instantly. Compare today's temperature, rain, and wind against 70 years of real climate records for any location on Earth. See whether today is record-breaking, perfectly normal, or somewhere in between.

WHAT ERANORMS DOES
Most weather apps show you what's happening. EraNorms shows you what it means. Pull up any city, any date, and see how today stacks up against decades of historical weather data — in seconds.

KEY FEATURES

🌡️ INSTANT HISTORICAL COMPARISON
Check today's conditions against the daily average, record high, and record low for that exact date. Know immediately if you're in a heatwave, a cold snap, or a perfectly average Tuesday.

📊 WEATHER ANOMALY DETECTION
Is this the wettest March in 30 years? The mildest winter on record? EraNorms flags anomalies automatically so you always know when conditions are truly unusual.

✈️ TRAVEL WEATHER INTELLIGENCE
Planning a trip? See what the weather was actually like in Lisbon, Bangkok, or Chicago during the same week over the past decade — not a vague forecast. Pack for reality, not averages.

📈 CLIMATE TREND CHARTS
Visualize how seasons are shifting over time. Spot warming trends, track year-over-year changes, and explore long-term patterns with clean, easy-to-read charts.

🗂️ 70+ YEARS OF GLOBAL DATA
Data sourced from meteorological stations worldwide. Daily highs, lows, precipitation, and wind — going back to the 1950s for thousands of cities.

PERFECT FOR
🌱 Gardeners planning by frost dates and growing seasons
✈️ Travelers who want accurate packing decisions
📚 Students and researchers studying climate patterns
🌩️ Weather enthusiasts who want hard data, not vibes

THE FORECAST DOESN'T TELL YOU THIS
There's a gap between "today's weather" and understanding climate — EraNorms fills it. Whether you're tracking a record heatwave, planning around a rainy season, or just settling a debate about how cold winters used to be, EraNorms gives you the answer in seconds.

Download free. Start comparing.