condition mean min max 4 h after light 0.7044155000000001 0.592693 0.816138 8 h after light 0.57499 0.56292 0.58706 12 h after light 0.5548584999999999 0.425593 0.684124 4 h after dark 0.6893093333333333 0.662048 0.729906 8 h after dark 0.792079 0.686458 1.00237 12 h after dark 0.859153 0.679859 1.19045