condition	mean	min	max
4 h after light	8.38628	7.90046	8.8721
8 h after light	6.994275	6.78882	7.19973
12 h after light	6.29848	6.07778	6.51918
4 h after dark	8.766200000000001	8.41627	9.11613
8 h after dark	8.75224	8.6437	8.86078
12 h after dark	9.835255	8.80091	10.8696