condition mean min max 0 h after light 0.1965231 0.0784972 0.314549 4 h after light 0.350862 0.159966 0.541758 8 h after light 0.1586885 0.077661 0.239716 4 h after dark 0.579121 0.464394 0.693848 8 h after dark 0.23323300000000002 0.15462 0.311846 12 h after dark 0.232614 0.230053 0.235175