condition	mean	min	max
4 h after light	87.4355	79.0626	95.8084
8 h after light	51.4076	50.9701	51.8451
12 h after light	48.51245	47.3336	49.6913
4 h after dark	68.30736666666667	64.4915	70.2887
8 h after dark	91.68566666666666	87.0271	94.8603
12 h after dark	78.59956666666666	73.3908	83.072