condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0520475 0.0 0.104095 4 h after light 0.101856 0.0 0.203712 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.116875 0.0 0.23375 12 h after dark 0.0 0.0 0.0