condition	mean	min	max
4 h after light	13.216953333333334	12.274510000000001	14.45626
8 h after light	13.281028000000001	9.335204	17.84062
12 h after light	12.52835	10.82751	14.897620000000002
16 h after light	13.7299	11.14997	17.25767
4 h after dark	21.06355	15.99111	28.80007
8 h after dark	11.5968	8.22612	15.54924