condition	mean	min	max
4 h after light	13.950099999999999	12.1261	15.7741
8 h after light	15.3187	13.9413	16.6961
12 h after light	8.78734	8.34714	9.22754
4 h after dark	10.425930000000001	9.16139	12.1157
8 h after dark	7.50886	6.43492	8.59089
12 h after dark	9.397416666666667	8.20721	10.2737