condition	mean	min	max
4 h after light	4.357383333333334	4.27721	4.47614
8 h after light	4.30417	4.25011	4.36103
12 h after light	4.4390600000000004	4.34234	4.53443
4 h after dark	4.638743333333333	4.28835	4.83352
8 h after dark	4.60534	4.43703	4.69815
12 h after dark	4.666530000000001	4.52407	4.763330000000001