condition	mean	min	max
4 h after light	10.1888815	9.668262	10.709501
8 h after light	9.0883675	8.85139	9.325345
12 h after light	10.053059000000001	8.441503	11.664615
4 h after dark	7.9256614999999995	7.629059	8.222264
8 h after dark	8.756273499999999	8.707428	8.805119
12 h after dark	9.834321	9.834321	9.834321