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 0.09719733333333333 0.0 0.155697 12 h after light 0.11357033333333333 0.0 0.340711 3 h after dark 0.122466 0.0 0.250732 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