condition	mean	min	max
4 h after light	3.393355	3.38016	3.40655
8 h after light	12.9128	11.0399	14.7857
12 h after light	7.842039999999999	6.74163	8.94245
4 h after dark	14.88033	8.83876	20.9219
8 h after dark	5.1545749999999995	2.9269	7.38225
12 h after dark	13.3869	12.2382	14.5356