condition	mean	min	max
4 h after light	7.894774999999999	7.21366	8.57589
8 h after light	8.159095	7.822	8.49619
12 h after light	8.433235	7.8138	9.05267
4 h after dark	10.10247	9.23711	10.5889
8 h after dark	9.795486666666667	9.15	10.2876
12 h after dark	9.326696666666667	8.73703	9.94484