condition	mean	min	max
4 h after light	17.1509305	16.358345	17.943516
8 h after light	13.505613	12.064417	14.946809
12 h after light	14.6983355	13.788614	15.608057
4 h after dark	12.369702	10.532713	14.206691
8 h after dark	12.742352	11.623907	13.860797
12 h after dark	24.135344	24.135344	24.135344