condition	mean	min	max
4 h after light	5.57208	5.46585	5.67831
8 h after light	6.14603	6.11009	6.18197
12 h after light	6.765264999999999	6.37968	7.15085
4 h after dark	5.77361	5.47153	6.07569
8 h after dark	6.382655	6.30404	6.46127
12 h after dark	6.101514999999999	6.03586	6.16717