condition	mean	min	max
4 h after light	1.740245	1.2719	2.20859
8 h after light	5.334205	4.48544	6.18297
12 h after light	7.374555	7.23672	7.51239
4 h after dark	6.640005	5.57972	7.70029
8 h after dark	3.365555	2.45883	4.27228
12 h after dark	2.527585	1.62815	3.42702