condition	mean	min	max
4 h after light	6.1109100000000005	5.77513	6.44669
8 h after light	7.710459999999999	7.45716	7.96376
12 h after light	7.73514	6.54791	8.92237
4 h after dark	19.9728	17.365	22.5806
8 h after dark	14.53465	14.1317	14.9376
12 h after dark	11.2013	10.4729	11.9297