condition	mean	min	max
2 h after light	13.853483333333333	12.3948	16.6365
6 h after light	11.995388333333334	8.72995	14.2315
10 h after light	10.632833333333334	7.4251	13.0852
14 h after light	12.51257	8.60066	17.4759
18 h after light	16.943649999999998	11.1315	21.3645
2 h after dark	14.21725	11.7021	19.4548