condition	mean	min	max
4 h after light	1.39634	1.17432	1.61836
8 h after light	1.642355	1.58572	1.69899
12 h after light	1.663575	1.58415	1.743
4 h after dark	1.37788	1.34515	1.41061
8 h after dark	4.415315	3.81166	5.01897
12 h after dark	4.244715	3.14564	5.34379