condition	mean	min	max
4 h after light	2.405005	1.65427	3.15574
8 h after light	3.839485	3.74732	3.93165
12 h after light	6.695985	6.05673	7.33524
4 h after dark	10.094165	9.14223	11.0461
8 h after dark	5.06738	4.96775	5.16701
12 h after dark	4.24245	4.01422	4.47068