condition	mean	min	max
4 h after light	15.042000000000002	13.8268	16.2572
8 h after light	14.343150000000001	14.3215	14.3648
12 h after light	13.214	12.6394	13.7886
4 h after dark	14.10325	12.8722	15.3343
8 h after dark	12.42925	12.3621	12.4964
12 h after dark	13.1539	12.0473	14.2605