Solar seasonality · NASA POWER

A world of different solar seasons.

1,000 locations · 25 years of climate data

1agent action
950web fetches

Agent-written code · Parallel retrieval

Higher latitudes, stronger seasonal swings.

SteadierMore seasonal
0123+

Seasonal range / annual mean

Opposite seasons. Different intensity.

Regional sample averages · 2001–2025

Europe

June peak

peak / trough

Oceania

December peak

peak / trough

Both curves use the same scale · Annual mean = 1×

300,000 location-month records

Collected, validated & analyzed
Inside the agent action 3 example WebFetch requests

Agent-written code coordinates 950 web fetches and reuses 50 cached responses. Each URL retrieves monthly data for one location. A, B and C match the points on the map.

NASA POWER · Monthly data · 11 variables https://power.larc.nasa.gov/api/temporal/monthly/point

2001–2025 · URLs abbreviated · Structuring and analysis follow this collection action.

Illustrated from the model’s research workflow · NASA POWER · URLs abbreviated

Data & method

The expandable execution section shows shortened URL queries appended to a shared base URL. A, B and C identify the same locations on the map; select a card to inspect its point. The full URLs are available in the request cards’ tooltips. The single agent action is execution of the collection program; subsequent structuring and analysis are outside that action. The three map routes illustrate requests from the collection action, not physical network paths; 950 is the total number of new fetches, not the instantaneous concurrency.

Map colors use each location’s own 12-month climatology: for each calendar month, daily-average solar radiation is averaged across 2001–2025. The seasonal range is divided by the mean of those 12 values. This measures variation through the year, not total solar resource or change over 25 years.

The map data were retrieved again for this illustration at coordinates recovered from the model’s report, using the original request precision. The regional curves come from the original report. Their peak-to-trough ratios describe the regional average curves, not averages of individual location ratios. Locations sharing a source grid are retained and are not independent measurements.

Original report: normalized monthly solar radiation, 2001–2025.
MonthEuropeOceania