condition	mean	min	max
4 h after light	9.222785	7.44777	10.9978
8 h after light	4.05088	3.1684	4.93336
12 h after light	3.253275	3.1163	3.39025
4 h after dark	3.8651133333333334	2.98974	4.58599
8 h after dark	7.786866666666667	7.55823	8.18722
12 h after dark	7.788406666666667	7.01211	8.76295