condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.49284799999999995 0.472249 0.513447 4 h after dark 0.6779945 0.440879 0.91511 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0