condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.055376 0.0 0.166128 9 h after light 0.0 0.0 0.0 12 h after light 0.09480100000000001 0.0 0.284403 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0