condition	mean	min	max
4 h after light	15.238111	14.099876	16.376346
8 h after light	14.218903000000001	14.020686	14.41712
12 h after light	15.7609665	15.564674	15.957259
4 h after dark	17.017744	16.292257	17.743231
8 h after dark	16.3198395	15.781629	16.85805
12 h after dark	16.922312	16.922312	16.922312