condition	mean	min	max
4 h after light	2.732135	2.68568	2.77859
8 h after light	2.60417	2.55643	2.65191
12 h after light	2.931935	2.82081	3.04306
4 h after dark	3.014885	2.90336	3.12641
8 h after dark	2.93506	2.88014	2.98998
12 h after dark	3.0042299999999997	2.98496	3.0235