condition	mean	min	max
4 h after light	0.6892633333333333	0.0	1.16108
8 h after light	2.11305	1.15842	2.89434
12 h after light	4.629263333333333	2.76991	6.57264
4 h after dark	3.39249	3.0647	3.79881
8 h after dark	1.99367	1.42404	3.03845
12 h after dark	1.123013	0.835429	1.40884