condition	mean	min	max
4 h after light	9.925062	9.890418	9.959706
8 h after light	11.8114505	10.1058	13.517101
12 h after light	15.1703975	10.494395	19.8464
4 h after dark	8.9258035	8.446746	9.404861
8 h after dark	10.9235575	10.622893	11.224222
12 h after dark	10.017885	10.017885	10.017885