T↗trendlensEARTH SYSTEM TREND DETECTIVE
NASA DATA WORKSPACEAPI status ↗
OBSERVE · COMPARE · UNDERSTAND

Discover where Earth
is changing differently.

Compare precipitation trends across rectangular study areas using real NASA data, transparent statistics, and uncertainty you can inspect.

◉ NASA POWER⌁ Monthly observations↗ Reproducible analysis
01 / INVESTIGATION SETUP

Set up your comparison

01 Configure — 02 Analyze — 03 Interpret
AREFERENCE LOCATION
⌖ Rectangular study area · weighted grid-cell mean
VS
BCOMPARISON LOCATION
⌖ Rectangular study area · weighted grid-cell mean
◌
Corrected precipitationNASA POWER · PRECTOTCORR · mm/day
SOURCE
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ⓘ Choose at least 10 years of overlapping data. The latest complete year is used to avoid incomplete-year bias.

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YOUR NEXT DISCOVERY STARTS HERE

Ask a better question
of the data.

Compare two places, follow the long-term signal, and see whether the difference is supported by the evidence—not just by how the chart looks.

✓ Real NASA observations✓ Robust trend estimates✓ Uncertainty made visible