condition	mean	min	max
0 h after light	13.07775	12.0834	14.0721
4 h after light	7.181229999999999	6.93718	7.42528
8 h after light	8.82713	8.70139	8.95287
4 h after dark	15.45505	15.3619	15.5482
8 h after dark	11.30345	10.2325	12.3744
12 h after dark	11.15339	9.78708	12.5197