condition mean min max 4 h after light 0.4489971 0.0814633 0.650138 8 h after light 0.32257833333333336 0.143264 0.481622 12 h after light 0.377062 0.186342 0.501681 4 h after dark 0.4562873333333333 0.280059 0.733429 8 h after dark 0.20865 0.139981 0.31084 12 h after dark 0.16722533333333334 0.082061 0.235479