condition mean min max 0 h after light 0.0245853 0.0 0.0491706 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.02806375 0.0 0.0561275 2 h after dark 0.0 0.0 0.0 4 h after dark 0.02362965 0.0 0.0472593 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0