condition	mean	min	max
0 h after light	2.22987	2.06542	2.39432
4 h after light	15.9177	10.5435	21.2919
8 h after light	20.5205	18.6508	22.3902
4 h after dark	6.160785000000001	5.79379	6.52778
8 h after dark	6.355285	6.10885	6.60172
12 h after dark	2.85578	1.63527	4.07629