condition	mean	min	max
4 h after light	14.0034	12.8481	15.1587
8 h after light	14.5353	14.2328	14.8378
12 h after light	15.86	15.4798	16.2402
4 h after dark	18.81625	17.9311	19.7014
8 h after dark	17.24555	17.2293	17.2618
12 h after dark	15.7812	15.456	16.1064