condition mean min max 4 h after light 0.57406 0.0 1.72218 8 h after light 0.315744 0.0 0.678786 12 h after light 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