condition	mean	min	max
4 h after light	2.896785	2.7946	2.99897
8 h after light	2.898365	2.51427	3.28246
12 h after light	1.352065	1.02685	1.67728
4 h after dark	1.9407799999999997	1.7389	2.14266
8 h after dark	2.638605	2.61089	2.66632
12 h after dark	3.177415	2.98213	3.3727