condition	mean	min	max
0 h after light	1.7369500000000002	1.44595	2.02795
4 h after light	4.03485	2.47109	5.59861
8 h after light	2.270135	2.06065	2.47962
4 h after dark	2.94069	2.93489	2.94649
8 h after dark	4.053305	3.70262	4.40399
12 h after dark	2.62219	2.26009	2.98429