condition	mean	min	max
0 h after light	3.738	3.50106	3.97494
4 h after light	2.80478	2.67549	2.93407
8 h after light	4.1274750000000004	4.09844	4.15651
4 h after dark	4.306255	4.14248	4.47003
8 h after dark	3.86685	3.79291	3.94079
12 h after dark	3.4316750000000003	3.19218	3.67117