condition	mean	min	max
0 h after light	10.515550000000001	10.0985	10.9326
4 h after light	8.38412	7.73354	9.0347
8 h after light	9.7378	8.6788	10.7968
4 h after dark	15.94435	14.2349	17.6538
8 h after dark	14.9634	14.9465	14.9803
12 h after dark	11.018505	9.87671	12.1603