condition	mean	min	max
4 h after light	16.08984	12.755230000000001	20.78279
8 h after light	12.199538	8.216736000000001	19.94436
12 h after light	9.939187	7.990137	12.67763
16 h after light	11.918755333333333	5.680576	18.02926
4 h after dark	19.947413333333333	15.56714	24.47672
8 h after dark	15.94488	12.49306	21.43509