condition	mean	min	max
0 h after light	4.70433	4.63831	4.77035
4 h after light	5.21767	4.00288	6.43246
8 h after light	4.923535	4.6417	5.20537
4 h after dark	13.06925	12.5395	13.599
8 h after dark	8.46261	8.01245	8.91277
12 h after dark	4.57042	4.3436	4.79724