condition	mean	min	max
4 h after light	2.05644	1.92384	2.18904
8 h after light	6.839535	6.68885	6.99022
12 h after light	13.1704	12.4779	13.8629
4 h after dark	14.9102	12.4566	17.3638
8 h after dark	10.023405	9.46051	10.5863
12 h after dark	5.27369	4.75033	5.79705