condition	mean	min	max
0 h after light	8.278535	7.92917	8.6279
4 h after light	9.994035	9.54257	10.4455
8 h after light	10.179780000000001	9.68346	10.6761
4 h after dark	12.081949999999999	11.8276	12.3363
8 h after dark	9.104780000000002	9.0058	9.20376
12 h after dark	7.770815	6.84886	8.69277