condition	mean	min	max
4 h after light	9.500250999999999	9.328686	9.671816
8 h after light	8.3873105	7.917521	8.8571
12 h after light	8.322442500000001	7.903604	8.741281
4 h after dark	8.291797	7.820455	8.763139
8 h after dark	10.1513875	9.919547	10.383228
12 h after dark	9.462955	9.462955	9.462955