condition	mean	min	max
4 h after light	5.540193333333333	5.53101	5.5521199999999995
8 h after light	5.64461	5.55021	5.75905
12 h after light	5.66418	5.53985	5.79221
4 h after dark	5.500846666666667	5.31082	5.71059
8 h after dark	5.440316666666667	5.42039	5.47697
12 h after dark	5.4440800000000005	5.27449	5.59074