condition	mean	min	max
4 h after light	2.69875	2.68826	2.70924
8 h after light	6.487765	5.5856	7.38993
12 h after light	4.383115	4.03011	4.73612
4 h after dark	4.95735	4.76444	5.15026
8 h after dark	3.215685	3.02611	3.40526
12 h after dark	2.30373	2.14128	2.46618