Weather · sun · moon · any date

What were the conditions at any place and time?

A cited report of the historical weather, sun, and moon at any location and moment, built from independent public sources.

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The Conditions.Site app showing sun and moon position, weather, and a map for a chosen location and time

Set a location and time to see the sun, moon, and weather at a glance.

A Conditions.Site PDF report summary page with sun, moon, and weather panels and a map

Export a clean, one-page visual summary…

A Conditions.Site PDF page comparing weather values across multiple data sources

…with every value cross-checked across independent sources.

Cited data, source by source

Every report cross-references multiple authoritative sources and shows its work, so you can see where each number came from.

Sun & moon position

Altitude, azimuth, sunrise, sunset, and moon phase for the exact time and place, computed as apparent positions with atmospheric refraction applied.

Historical weather

Temperature, wind, precipitation, cloud cover, and visibility, reconciled across independent reanalysis and station networks.

Cited PDF report

A paginated PDF with a summary page, a per-source comparison, an hourly table, and per-station detail. Every number traceable to its origin.

Any place, any time

Search an address or intersection, or enter GPS coordinates. Set the date and time to the minute in the location's local time.

Coming soon

Deeper analyses are in active development and rolling out to accounts as they're validated.

Coming soon

Sun & moon exposure

Likelihood that direct sun or moonlight reached the location, by altitude band, accounting for cloud layers and terrain.

Coming soon

Illuminance / brightness

Estimated ground-level brightness in footcandles: a clear-sky baseline versus the weather-adjusted actual.

Coming soon

Weather visualization

Charts and a sky schematic showing how conditions evolved through the day around a given time.

Coming soon

Satellite imagery

GOES and MODIS imagery of the area at a given time, to cross-check the modeled cloud cover.

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Conditions.Site reports are modeled estimates assembled from cited public data sources for informational use. They are not a guarantee of actual conditions.