condition	mean	min	max
4 h after light	6.4061900000000005	5.79343	7.01895
8 h after light	6.63108	5.71402	7.54814
12 h after light	6.4037299999999995	4.93722	7.87024
4 h after dark	7.019493333333333	4.90114	8.50668
8 h after dark	7.134530000000001	5.03943	9.58102
12 h after dark	6.765676666666667	4.02796	8.3744