condition	mean	min	max
4 h after light	5.218615	5.00989	5.42734
8 h after light	7.84971	7.77726	7.92216
12 h after light	8.342805	8.146	8.53961
4 h after dark	6.172036666666666	5.90288	6.51573
8 h after dark	4.222306666666666	3.43246	4.69339
12 h after dark	4.964856666666667	4.43056	5.30036