condition	mean	min	max
4 h after light	4.775	4.6305	4.9195
8 h after light	6.48822	6.48008	6.49636
12 h after light	11.2731	10.5592	11.987
4 h after dark	10.687555	9.64381	11.7313
8 h after dark	11.22105	11.1496	11.2925
12 h after dark	7.787025	7.19181	8.38224