condition	mean	min	max
3 h after light	21.753466666666668	17.2187	24.6031
6 h after light	16.08053333333333	13.762	18.0007
9 h after light	9.93817	7.88821	10.9825
12 h after light	8.512297499999999	6.11438	11.1918
3 h after dark	8.8875	7.32877	10.5008
6 h after dark	9.1505	8.95854	9.4782
9 h after dark	10.47196	9.67988	11.1955
12 h after dark	11.59225	11.2647	11.9198