condition	mean	min	max
4 h after light	5.942523333333333	5.85049	6.115469999999999
8 h after light	5.942906666666667	5.82149	6.11741
12 h after light	5.90039	5.72773	6.15264
4 h after dark	5.8982833333333335	5.733630000000001	6.192769999999999
8 h after dark	5.88787	5.62121	6.18761
12 h after dark	6.01617	5.7971699999999995	6.335780000000001