condition	mean	min	max
0 h after light	8.974865000000001	8.02223	9.9275
4 h after light	10.839559999999999	8.55872	13.1204
8 h after light	15.783650000000002	13.5462	18.0211
4 h after dark	15.5577	15.0162	16.0992
8 h after dark	11.66595	11.2482	12.0837
12 h after dark	7.173265	6.78618	7.56035