condition	mean	min	max
0 h after light	4.370125	3.55708	5.18317
4 h after light	26.05	23.1828	28.9172
8 h after light	50.13615	43.0786	57.1937
4 h after dark	27.5586	24.2688	30.8484
8 h after dark	16.63475	15.6055	17.664
12 h after dark	6.53931	5.81286	7.26576