condition	mean	min	max
0 h after light	15.91935	15.3839	16.4548
4 h after light	9.49021	9.32181	9.65861
8 h after light	8.84386	7.9115	9.77622
4 h after dark	10.735949999999999	10.4114	11.0605
8 h after dark	12.71435	11.6979	13.7308
12 h after dark	14.7654	14.1676	15.3632