condition	mean	min	max
0 h after light	7.83871	6.71205	8.96537
4 h after light	12.5336	11.6423	13.4249
8 h after light	11.869	10.4527	13.2853
4 h after dark	9.78754	8.66738	10.9077
8 h after dark	8.91704	7.83471	9.99937
12 h after dark	6.68534	6.20652	7.16416