condition mean min max 3 h after light 1.4287608333333333 0.231211 4.51185 7 h after light 1.61003975 0.325764 5.27728 11 h after light 0.9066318333333334 0.0 2.25166 2 h after dark 1.1064458333333334 0.302736 2.8999 6 h after dark 0.9654064166666667 0.257467 2.12037 10 h after dark 0.734869 0.0 1.5212