condition	mean	min	max
4 h after light	2.03824	1.88933	2.18715
8 h after light	1.931645	1.82231	2.04098
12 h after light	2.68759	2.1032	3.27198
4 h after dark	6.6924600000000005	6.00903	7.37589
8 h after dark	5.180065	5.15202	5.20811
12 h after dark	3.721625	2.95596	4.48729