condition	mean	min	max
4 h after light	27.469549999999998	22.3024	32.6367
8 h after light	14.79095	14.3428	15.2391
12 h after light	11.87115	11.1122	12.6301
4 h after dark	14.1236	12.9956	15.3777
8 h after dark	18.220866666666666	16.4159	21.0216
12 h after dark	22.9313	22.1399	23.771