condition	mean	min	max
4 h after light	3.90327	3.67576	4.13078
8 h after light	2.71867	2.67893	2.75841
12 h after light	2.21253	1.94855	2.47651
4 h after dark	2.728423333333333	2.48381	2.98056
8 h after dark	2.4522	1.99724	3.00847
12 h after dark	3.570953333333333	3.2813	3.8581