condition	mean	min	max
4 h after light	7.69867	6.58833	8.80901
8 h after light	6.014060000000001	5.85388	6.17424
12 h after light	6.169785	5.62014	6.71943
4 h after dark	9.774854999999999	9.53281	10.0169
8 h after dark	8.7604	8.20074	9.32006
12 h after dark	8.840945000000001	8.53851	9.14338