condition	mean	min	max
0 h after light	15.9393	15.8223	16.0563
4 h after light	11.943750000000001	11.9343	11.9532
8 h after light	8.464345	7.7252	9.20349
4 h after dark	11.732565000000001	9.48513	13.98
8 h after dark	14.5364	13.1544	15.9184
12 h after dark	14.93525	13.2487	16.6218