condition	mean	min	max
4 h after light	7.334985	5.93338	8.73659
8 h after light	7.76756	7.42443	8.11069
12 h after light	7.030825	6.31964	7.74201
4 h after dark	12.9404	12.1623	13.7185
8 h after dark	9.44603	9.32467	9.56739
12 h after dark	9.20584	9.07942	9.33226