condition	mean	min	max
4 h after light	8.80204	6.35598	11.2481
8 h after light	7.71174	7.25981	8.16367
12 h after light	9.52955	9.51344	9.54566
4 h after dark	11.751100000000001	11.2628	12.6217
8 h after dark	13.463033333333334	12.606	14.5186
12 h after dark	10.954	10.5738	11.6815