condition	mean	min	max
4 h after light	1.2947899999999999	1.20624	1.38334
8 h after light	1.74384	1.60758	1.8801
12 h after light	2.509575	2.37816	2.64099
4 h after dark	2.89633	2.81974	2.97292
8 h after dark	2.22968	1.96219	2.49717
12 h after dark	2.019775	1.85736	2.18219