condition	mean	min	max
0 h after light	2.307055	2.2392	2.37491
4 h after light	21.2312	19.9719	22.4905
8 h after light	3.874085	2.79266	4.95551
4 h after dark	3.7131849999999997	3.01849	4.40788
8 h after dark	4.337095	2.8468	5.82739
12 h after dark	1.925835	1.39513	2.45654