condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0453557 0.0 0.0907114 4 h after light 0.09038315 0.0887603 0.092006 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 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0