condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0090341 0.0 0.0271023 12 h after light 0.0 0.0 0.0 4 h after dark 0.05285666666666666 0.0 0.15857 8 h after dark 0.0 0.0 0.0 12 h after dark 0.05939633333333333 0.0 0.178189