condition	mean	min	max
4 h after light	5.657945	4.02795	7.28794
8 h after light	5.378534999999999	4.95269	5.80438
12 h after light	7.46665	7.1824	7.7509
4 h after dark	14.5005	13.8497	15.3596
8 h after dark	13.821066666666667	11.6629	15.4095
12 h after dark	7.23423	6.71026	7.81134