condition	mean	min	max
4 h after light	4.85375	4.67311	5.03439
8 h after light	5.318275	5.11035	5.5262
12 h after light	2.91212	2.77102	3.05322
4 h after dark	5.228345	4.41708	6.03961
8 h after dark	4.31079	4.04646	4.57512
12 h after dark	4.155095	4.08399	4.2262