condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.046145 0.0 0.09229 12 h after light 0.0 0.0 0.0 4 h after dark 0.030623733333333333 0.0 0.0918712 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0