condition mean min max 2 h after light 0.840797 0.684884 1.14098 6 h after light 0.832766 0.751965 0.920902 10 h after light 0.901523 0.538476 1.25667 2 h after dark 1.2743233333333335 1.02523 1.42344 6 h after dark 0.989552 0.835611 1.16969 10 h after dark 1.0630083333333333 0.913485 1.20546