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 0.196274 0.0 0.314405 12 h after light 0.13490333333333335 0.0 0.237987 3 h after dark 0.27094199999999996 0.0 0.577239 6 h after dark 0.20112066666666664 0.0 0.603362 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0