condition	mean	min	max
0 h after light	10.87365	10.639	11.1083
4 h after light	14.7107	14.352	15.0694
8 h after light	20.60215	20.4089	20.7954
4 h after dark	15.8998	15.3659	16.4337
8 h after dark	13.98025	13.9216	14.0389
12 h after dark	10.3729	9.3278	11.418