condition	mean	min	max
4 h after light	10.314649	9.738504	10.890794
8 h after light	9.3476325	9.027003	9.668262
12 h after light	8.259807	8.055229	8.464385
4 h after dark	8.671917	8.316831	9.027003
8 h after dark	8.857583	8.529856	9.18531
12 h after dark	8.389892	8.389892	8.389892