condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.015321466666666667 0.0 0.0459644 12 h after light 0.010244825 0.0 0.0409793 3 h after dark 0.0221374 0.0 0.0664122 6 h after dark 0.035069666666666666 0.0 0.105209 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0