condition	mean	min	max
4 h after light	5.94801	5.10469	6.79133
8 h after light	6.395995	6.2912	6.50079
12 h after light	5.97339	5.85007	6.09671
4 h after dark	8.71037	7.22935	9.9211
8 h after dark	7.068173333333333	6.78314	7.40057
12 h after dark	5.65582	3.29561	7.25057