condition mean min max 2 h after light 0.692733 0.402509 1.32331 6 h after light 0.586684 0.224352 0.873724 10 h after light 0.5978961666666667 0.305803 0.879629 14 h after light 1.034338 0.652517 1.64072 18 h after light 1.4830638333333332 0.729558 1.97887 2 h after dark 1.1491028333333333 0.510498 1.97098