condition	mean	min	max
4 h after light	18.437849999999997	16.0139	20.8618
8 h after light	10.490625000000001	9.91375	11.0675
12 h after light	9.3002	8.76534	9.83506
4 h after dark	11.101700000000001	10.2199	11.5839
8 h after dark	15.486466666666667	13.7396	16.9988
12 h after dark	13.003666666666666	11.4164	15.7042