condition	mean	min	max
4 h after light	11.516035	9.42117	13.6109
8 h after light	8.68028	7.9777	9.38286
12 h after light	9.997785	9.32277	10.6728
4 h after dark	12.44275	11.9037	12.9818
8 h after dark	11.1434	10.7243	11.5625
12 h after dark	12.383	12.3707	12.3953