condition	mean	min	max
0 h after light	2.27288	2.06425	2.48151
4 h after light	2.8467450000000003	2.35571	3.33778
8 h after light	4.185555	4.08451	4.2866
4 h after dark	4.103585	3.97361	4.23356
8 h after dark	2.77348	2.05016	3.4968
12 h after dark	1.917125	1.85524	1.97901