condition	mean	min	max
4 h after light	1.169845	1.04466	1.29503
8 h after light	0.8739844999999999	0.855638	0.892331
12 h after light	18.5774	15.9415	21.2133
4 h after dark	30.9605	29.812	32.806
8 h after dark	10.646600000000001	10.4342	10.9699
12 h after dark	3.42966	1.80948	5.07575