condition	mean	min	max
4 h after light	2.710678	2.668339	2.78951
8 h after light	2.0855069999999998	1.491755	2.408282
12 h after light	2.3469883333333335	1.339858	3.087526
16 h after light	2.7118729999999998	2.310243	3.207608
4 h after dark	2.199681	2.003244	2.51742
8 h after dark	1.469292	1.3924729999999998	1.520618