condition	mean	min	max
4 h after light	2.6418	2.17419	3.10941
8 h after light	3.42081	3.16628	3.67534
12 h after light	2.832785	2.58715	3.07842
4 h after dark	3.03919	2.50955	3.4907
8 h after dark	3.29043	3.19407	3.44146
12 h after dark	3.27672	2.52328	4.36695