condition mean min max 3 h after light 0.3152493333333333 0.168653 0.402835 6 h after light 0.346297 0.251413 0.398102 9 h after light 0.276706 0.237312 0.331406 12 h after light 0.2001669 0.0718527 0.276964 3 h after dark 0.04307366666666666 0.0 0.071128 6 h after dark 0.3119053333333333 0.242888 0.366267 9 h after dark 0.22513499999999997 0.117153 0.372976 12 h after dark 0.4072 0.180084 0.529283