condition mean min max 0 h after light 0.240479 0.168295 0.312663 2 h after light 0.087757 0.0 0.175514 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 0.0 0.0 0.0 4 h after dark 0.3033515 0.155938 0.450765 8 h after dark 0.2637555 0.0 0.527511 12 h after dark 0.083438 0.0 0.166876