condition	mean	min	max
0 h after light	20.020699999999998	19.846	20.1954
4 h after light	8.878554999999999	8.15424	9.60287
8 h after light	5.505694999999999	5.13777	5.87362
4 h after dark	13.153500000000001	12.7063	13.6007
8 h after dark	26.429450000000003	23.687	29.1719
12 h after dark	19.1991	18.0379	20.3603