Dashboard
Day length through the year (hours)
Latitude51.5° N (fictional village)
Today-
Sun now-
Church spire shadow now-
Noon altitudeh = 90° − φ + δ
Drag Season to move the Sun along its arc; the church shadow follows.
Air temperature through today (°)
Daily mean through the year (°)
Model temperature: a smooth seasonal and daily cycle for a south-east England-style climate, not a forecast.
River flow Q (m³/s) · 30 days (illustrative)
Rainfall (mm/h daily mean)
Crown clearance
Mill wheel
Model values: one reach, schematic channel.
Selected-
Active now-
Model calendar for a south-England village; dates shift with the weather. Orchard bloom follows the GDD model.
Now-
Sun-
Villagers out-