condition	mean	min	max
0 h after light	6.97706	6.822	7.13212
4 h after light	17.4759	13.3426	21.6092
8 h after light	5.936505	5.83085	6.04216
4 h after dark	3.219425	2.30209	4.13676
8 h after dark	9.804675	9.36995	10.2394
12 h after dark	8.02051	7.86318	8.17784