condition	mean	min	max
0 h after light	7.68013	7.47959	7.88067
4 h after light	6.5696200000000005	6.42737	6.71187
8 h after light	6.005125	5.62907	6.38118
4 h after dark	7.099955	6.47074	7.72917
8 h after dark	8.09592	7.57984	8.612
12 h after dark	6.660455000000001	6.37999	6.94092