condition mean min max 4 h after light 0.8429935 0.758088 0.927899 8 h after light 0.4436685 0.320003 0.567334 12 h after light 0.295975 0.241937 0.350013 4 h after dark 0.2941185 0.0940885 0.603854 8 h after dark 0.6454960000000001 0.521028 0.731682 12 h after dark 0.6547176666666666 0.468992 0.818426