condition mean min max 2 h after light 0.7096561666666666 0.187698 1.31164 6 h after light 0.5341865 0.296498 1.15469 10 h after light 0.6267448333333333 0.330782 0.916262 14 h after light 0.7990513333333333 0.174406 1.12155 18 h after light 1.46071 0.71625 2.26189 2 h after dark 0.9343859999999999 0.74 1.27203