condition	mean	min	max
4 h after light	3.01498	2.44244	3.58752
8 h after light	2.2992999999999997	1.98902	2.60958
12 h after light	2.00333	1.856	2.15066
4 h after dark	2.8507949999999997	2.78001	2.92158
8 h after dark	2.21441	2.15641	2.27241
12 h after dark	2.9289300000000003	2.65931	3.19855