condition	mean	min	max
4 h after light	13.683005000000001	9.74001	17.626
8 h after light	7.7715000000000005	7.13325	8.40975
12 h after light	5.798655	5.32874	6.26857
4 h after dark	4.37008	3.65477	5.16951
8 h after dark	7.393956666666667	6.38928	8.03336
12 h after dark	5.2366866666666665	4.7426	5.86916