A citizen-science project for climate history
Yesterday’s logs.
Tomorrow’s climate.
Old Weather brought volunteers and scientists together to recover weather observations recorded at sea since the mid-19th century.
Read about its legacy01 — The project
The project is currently resting.
Old Weather is not currently running an active transcription project. Over many years, its volunteers helped turn handwritten ships’ logs into usable climate records—revealing voyages, lives, and a richer picture of our changing climate. This page now serves as a signpost to that work.
02 — The legacy