condition	mean	min	max
4 h after light	9.704930000000001	9.66533	9.77373
8 h after light	9.750053333333334	9.67234	9.90329
12 h after light	9.518976666666667	9.35924	9.61076
4 h after dark	9.725236666666667	9.59789	9.9266
8 h after dark	9.75888	9.51652	9.99978
12 h after dark	9.91071	9.85711	9.98298