condition	mean	min	max
0 h after light	2.3939000000000004	2.38059	2.40721
4 h after light	3.722595	3.04279	4.4024
8 h after light	3.764895	3.60288	3.92691
4 h after dark	3.29493	3.19513	3.39473
8 h after dark	3.29507	2.97315	3.61699
12 h after dark	2.1175	2.03413	2.20087