condition	mean	min	max
3 h after light	3.1872264583333334	0.0280843	7.94589
7 h after light	3.6698133833333335	0.0	10.7707
11 h after light	3.1813141333333332	0.0	8.7113
2 h after dark	4.006841025	0.0	9.79875
6 h after dark	4.036064325	0.0	11.6098
10 h after dark	3.6336472583333332	0.0	7.93707