condition	mean	min	max
4 h after light	7.03902	6.69865	7.37939
8 h after light	3.42382	3.30376	3.54388
12 h after light	3.00146	2.82205	3.18087
4 h after dark	12.4086	11.7561	12.8223
8 h after dark	11.875233333333332	10.6047	14.331
12 h after dark	10.855233333333334	10.1807	11.9501