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 0.0201317 0.0 0.0603951 12 h after light 0.0 0.0 0.0 3 h after dark 0.029087500000000002 0.0 0.0872625 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