condition	mean	min	max
4 h after light	9.104927	8.2915	9.918354
8 h after light	8.6547075	8.392045	8.91737
12 h after light	9.6807975	9.361842	9.999753
4 h after dark	8.8758595	8.641259	9.11046
8 h after dark	9.537528	9.071979	10.003077
12 h after dark	8.184881	8.184881	8.184881