condition	mean	min	max
4 h after light	0.171996	0.0	0.343992
8 h after light	1.211862	0.557404	1.86632
12 h after light	0.566134	0.451502	0.680766
4 h after dark	2.25284	1.48756	3.01812
8 h after dark	2.2991	1.93819	2.66001
12 h after dark	1.475385	1.4678	1.48297